Kaise KT-2021 User manual

- 1 - - 2 - - 3 - - 4 -
AUTOMOTIVE
DIGITAL MULTIMETER
KT-2021
To prevent an electrical shock hazard to the operator and/or damage to the instruments,
read this instruction manual carefully before using the instrument. WARNINGS with the
symbol on the instrument and this instruction manual are highly important.
Important Symbols
The symbol in this manual advises the user of an electrical shock
hazard that could cause injury or material damages.
1. DISPLAY（LCD）
a. Numerical Display：4 digit 6000 count, with Bar Graph
b. Units and Symbols：
2. OPERATING PRINCIPLE：Sigma-delta Conversion
3. MEASURING PRINCIPLE：Average Rectification
4. SAMPLING RATE：5 times per second (Bar Graph：40 times per second max.)
5. RANGE SELECTION：Auto / Manual (Frequency, Injection Pulse width and
Capacitance measurement are Auto only)
6. BATTERY WARNING： indication at approx. 2.3V or less
7. DISPLAY HOLD：Hold indicating values by pressing HOLD Key
8. AUTO POWER OFF：Power turns off automatically after approx. 34 minutes
9. OVERLOAD PROTECTION：
10. OPERATING TEMPERATURE & HUMIDITY：
0 to 30℃, less than 80％RH ／31 to 40℃, less than 50％RH in non-condensing.
11. STORAGE TEMPERATURE & HUMIDITY：
-20 to 60℃, less than 80%RH in non-condensing.
12. TEMPERATURE COEFFICIENT：Accuracy at 23℃±5℃×0.15/℃
13. SAFETY LEVEL：CE marking approved.
14. POWER SUPPLY：1.5V R03(AAA) Battery ×2
15. FUSE：Fast-acting 0.63A/500V (φ6.0×32mm) ×1,
Fast-acting 6.3A/500V (φ6.0×32mm) ×1
16. POWER CONSUMPTION：approx. 4.3mA
(in Auto Power Off ：approx. 10 μ A, in backlighting：approx. 27mA)
17. CONTINUOUS OPERATING TIME：approx. 180 hours (manganese cell),
approx. 360 hours (alkaline cell)
18. DIMENSIONS & WEIGHT：161(H)×80(W)×50(D)mm, approx. 340g
19. ACCESSORIES：
20. OPTIONAL ACCESSORIES：
a) μ A & mA：0.63A/500V fast-acting fuse
b) A：6.3A/500V fast-acting fuse
c) V：1050Vrms or 1450Vpeak
d) mV, Ωand others：600Vrms
Thank you for purchasing "KT-2021 AUTOMOTIVE DIGITAL MULTIMETER". To obtain the
maximum performance of this instrument, read this Instruction Manual carefully, and take
safe measurement.
Confirm if the following items are contained in the package in good condition.
If there are any damage or missing items, ask your local dealer for replacement.
1. Digital Multimeter (with holster)
2. Test Lead (100-66)
3. RPM Sensor (653 / for Direct Ignition Engine)
4. RPM Sensor (654 / for High Tension Code)
5. Temperature Probe (818-02)
6. Alligator Clip (943)
7. Carrying Case (1024)
8. Spare Fuse (F20, 0.63A/250V and F32, 6.3A/500V)
9. Instruction Manual
2. SPECIFICATIONS
Do not measure High Power Line (High Energy Circuits) that might exceed 6kVA. High
Power Line is very dangerous and sometimes includes High Surge Voltage that could
cause explosive short in the instrument and could result in serious injury to the operator. For
dangerous voltage measurement, always keep the instrument away from your body without
holding it in your hands. Do not touch the instrument, test leads, and any part of the circuit.
WARNING
FOR SAFETY MEASUREMENTS!!
INSTRUCTION MANUAL
The symbol listed in IEC 61010-1 and ISO 3864 means "Caution (refer to
instruction manual)".
WARNING
CAUTION
The symbol in this manual advises the user of an electrical shock
hazard that could result in serious injury or even death.
INTRODUCTION
1. UNPACKING AND INSPECTIONS
1 pce.
1 set
1 pce.
1 pce.
1 pce.
1 pce.
1 pce.
1 pce. each
1 pce.
AUTO, , , , , RPM , RPM , , , Ω, kΩ, MΩ,
Hz, kHz, ms, V, μ F, μ A,mA, A,％,Trig and decimal point
2-1. GENERAL SPECIFICATIONS
2-2. MEASUREMENT SPECIFICATIONS (23℃±5℃, <80％RH in non-condensing)
1. DC Voltage ( mV / V )
6.000 V
60.00 V
600.0 V
1000 V
±0.4％rdg±3dgt
±0.7％rdg±3dgt
Range
60.00 mV
600.0 mV ≒10MΩ,
50pF 600Vrms
Accuracy
±0.4％rdg±3dgt
±0.3％rdg±3dgt
Resolution
0.01 mV
0.1 mV
Input
Impedance Overload
Protection
≒10MΩ,
50pF 1050Vrms
1450Vpeak
1 mV
10 mV
100 mV
1 V
2. AC Voltage (
〜
mV / V ) 50Hz to 500Hz Average Rectification
3. DC Current ( μ A / mA / A )
6A Continuous measurement is possible.
10A is measurable within 30 seconds but 5 minutes cooling down interval is necessary.
※
4. AC Current (
〜
μ A / mA / A ) 50Hz to 500Hz
6A Continuous measurement is possible.
10A is measurable within 30 seconds but 5 minutes cooling down interval is necessary.
※
Average Rectification
5. Resistance ( Ω)
Range
600.0 Ω
6.000 kΩ
60.00 kΩ
600.0 kΩ
6.000 M Ω
60.00 M Ω
0.45V DC
Accuracy
±0.5％rdg±6dgt
±0.5％rdg±3dgt
±0.8％rdg±4dgt
±1.0％rdg±5dgt
±1.5％rdg±5dgt
Resolution
0.1 Ω
1 Ω
10 Ω
100 Ω
1 kΩ
10 kΩ
Open Circuit Voltage
6. Frequency ( Hz )
Function
6 V
60 V
600 V
1000 V
±0.1％rdg±3dgt
Range (Auto)
10 Hz to 10 kHz
10 Hz to 50 kHz
45 Hz to 1 kHz
Sensitivity
0.5 V rms
5 V rms
50 V rms
500 V rms
Accuracy
NOTE : Measurement cannot be made depending on the vehicles.
RPM4
RPM2
RPM2-M
Range
240 to 20000RPM
120 to 10000RPM
60 to 5000RPM
7. IP-RPM ( Inductive Pickup type )
±0.2％rdg±20dgt
Accuracy
LVD：V/ΩTerminal；CATⅡ1000V AC/DC, μ A/mA/A Terminal；CATⅡ450V AC/DC
EMC：EN61326-1 (2006)
NOTE : Measurement cannot be made depending on the vehicles.
RPM4
RPM2
RPM2-M
Range
60 to 20000RPM
30 to 10000RPM
15 to 5000RPM
8. IG-RPM ( Contact Signal type )
±0.2％rdg±20dgt
Accuracy Selectable Number of Cylinders
1,2,3,4,5,6,8,10,12
(Select by CYLINDER Key)
WARNING 1. Checks of Body and Test Lead
WARNING 3. Warning for High Voltage Measurements
WARNING 4. Dangerous Voltage Measurement Procedure
WARNING 2. High Power Line Measurements is Prohibited
Before measurement, confirm the body of this instrument and handle insulators of the Test
Lead have no cracks or any other damages. Dust, grease and moisture must be removed.
Do not hold multimeter in your hands. Keep safety distance from power source or circuit
to be measured not to touch the dangerous voltage.
Attach black and red alligator clips to test lead pins.
Turn off the power of the circuit to be measured when connecting test leads.
After measurement, before detaching alligator clips (test leads), turn the circuit power off
and discharge the all capacitors.
●
●
●
●
For dangerous voltage measurement, strictly observe the warnings below.
3-1. WARNINGS
Correct knowledge of electric measurements is essential to avoid unexpected danger such
as operator's injury or damage to the instrument. Read carefully and observe the following
precautions for safety measurements.
3. SAFETY PRECAUTIONS
Even for Low Energy Circuits of electric/electronic appliances, such as heating elements,
small motors, line cords and plugs, High Voltage Measurements are very dangerous. Do not
touch any part of the circuit.
Do not measure High Power Line (High Energy Circuits) such as Distribution Transformers,
Bus Bars and Large Motors. High Power Line sometimes includes High Surge Voltage that
could cause explosive short in the instrument and could result in shock hazard. Generally,
shock hazard could occur when the current between the circuit, that involves more than 33V
rms or 46.7V DC or peak, and ground goes up to 0.5mA or more.
WARNING 1. Correct Selection of Function Switch
WARNING 2. Maximum Input Observance
WARNING 3. Test Lead Detachment
Do not measure anything that might exceed the specified maximum input values.
Always confirm that FUNCTION Switch is set to the correct position. Do not measure voltage
except at Voltage measurement function.
Detach test leads from measuring circuit before changing measurement functions or
removing rear cover for battery or fuse replacement.
In case of live-line measurement, strictly observe the warnings below
Do not hold multimeter in your hands. Keep safety distance from power source or circuit
to be measured not to touch the dangerous voltage.
Black test lead : Attach black alligator clip and connect to −(earth) side of the circuit.
Red test lead : Connect to ＋(positive) side of the circuit.
●
●
●
3-3. GENERAL WARNINGS AND CAUTIONS
Children and the persons who do not have enough knowledge about
electric measurements must not use this instrument.
Do not measure the electricity naked or barefooted to protect yourself
from electrical shock hazard.
Be careful not to get hurt with the sharp test lead pins.
Do not polish the case or attempt to clean it with any cleaning fluid like
gasoline or benzine. If necessary, use silicon oil or antistatic fluid.
Away the instrument from hot and humid conditions like in the car. Do not
apply hard mechanical shock or vibration.
Remove the battery when the instrument is out of use for a long time. The
exhausted battery might leak electrolyte and corrode the inside.
WARNING 1.
WARNING 2.
WARNING 3.
CAUTION 1.
CAUTION 2.
CAUTION 3.
CAUTION 4.
Power turns off automatically after approx. 34 minutes of last operation.
To cancel it : Turn the power on holding down Select Key. Auto power off is disabled.
NOTE : Small current consumption remains even in the auto power off condition.
Be sure to set FUNCTION Switch to "OFF" after finishing the measurement.
Caution (refer to instruction manual)
〜〜
Alternating Current
Direct Current
Earth (Ground)
Fuse Double Insulation
DC / AC
Do not apply around, or remove from HAZARDOUS LIVE conductors.
LCD displays "OL" when measurement value exceeds the maximum value of each
measurement range.
The following symbol marks shown on the instrument and instruction manual are listed in
IEC 61010-1 and ISO 3864.
0.63A/500V and 6.3A/500V fuses are installed to protect current measurement functions. If
the fuse is blown out, replace it referring to "7-1. BATTERY AND FUSE REPLACEMENT".
4. NAME ILLUSTRATION
fig-1
LCD
Range Key
Level Key
FUNCTION Switch
KT-2021
Automotive DMM
Hold Key
±TRIGGER Key
Key
CYLINDER Key
Select Key
Key
Input
Terminals
(
(
(
(
fig-2
4-1. LCD
： Auto-ranging
： Low battery warning
： Dwell angle measurement
： Continuity test
： Lights up
in display hold function
： RPM measurement
： Direct current (DC)
RPM
： Alternating current (AC)
： Resistance measurement
： Frequency measurement
： Injection pulse width measurement
： Voltage measurement
： Capacitance measurement
： Current measurement
： Duty cycle
Ω, kΩ, MΩ
Hz, kHz
ms
mV, V
μ F
μ A, mA, A
％
4-11. Input Terminals
4-10. Level Key
Use this key to select the sensitivity level in IP-RPM, IG-RPM, Dwell Angle and Injection
Pulse Width measurements.
Connect black test lead to COM terminal and red test lead to RPM/Temp+/Ω/V/ Terminal
for all measurements except
μ A, mA, A measurements.
NOTE：Connect red test lead to mA/ μ A terminal for mA/ μ A measurement and connect it to
A terminal for 6A (10A for 30sec) measurement.
5. MEASUREMENT PROCEDURES
5-1. PREPARATION FOR USE
Read INSTRUCTION MANUAL carefully to understand the specification and functions
correctly. "3. SAFETY PRECAUTIONS" is very important for safety measurement.
1. INSTRUCTION MANUAL
2. BATTERY
Two 1.5V R03 batteries are installed in this instrument. When " " lights up on LCD, replace
them into the new ones referring to "7-1. BATTERY AND FUSE REPLACEMENT".
3. FUSE
4. OVERLOAD INDICATION
5. AUTO POWER OFF
6. SYMBOL MARK
※Specified ranges depend on engine rpm and number of cylinders (cyl).
Range※
0.0° to 360.0°
0.0％to 100.0％
Accuracy
±1.2°/krpm±1dgt
±0.04％/krpm/cyl±2dgt
9. Dwell Angle ( ), Duty Cycle ( ％) Selectable Number of Cylinders
1,2,3,4,5,6,8,10,12
(Select by CYLINDER Key)
※Specified ranges depend on trigger slopes, engine rpm and number of cylinders (cyl).
Accuracy
±0.05ms±1dgt
±0.04%/krpm±2dgt
±0.05ms±1dgt
±0.04%/krpm/cyl±2dgt
Range※
0.05ms to 250.0ms
0.0% to 100.0%
0.05ms to 250.0ms
0.0% to 100.0%
10. Injection Pulse Width ( ms ), Duty Cycle ( ％)
Multi Point Injection
Single Point Injection
WARNING
●
●
●
Do not measure any voltage that might exceed maximum input value.
(V：1000V AC/DC, mV：600mV AC/DC).
Read "3. SAFETY PRECAUTIONS" carefully to avoid electric shock hazard and
serious damage to the instrument.
Do not touch any part of power line or the circuit to be measured.
1．
2．
3．
4．
5．
6．
Connect the instrument IN
PARALLEL to the circuit.
Use alligator clips for dangerous
voltage measurement.
NOTE：Display shows " V→〜V→Hz "
each time the Select Key is pressed.
Connect black test lead to −(earth) side
of the circuit being measured and connect
red test lead to ＋(positive) side.
NOTE :
NOTE :
Read the measurement value on LCD.
After finishing the measurement, set
FUNCTION Switch to "OFF".
5-2. VOLTAGE AND FREQUENCY MEASUREMENT ( V / 〜V / Hz ) ( mV / 〜mV)
KT-2021
AutomotiveDMM
fig-3
Battery voltage
measurement
Black(−)Red(＋)
Battery
( V / 〜V / Hz )
Insert black test lead to COM terminal, and insert red test lead to RPM/Temp＋/Ω/V/
terminal.
Set FUNCTION Switch to " ".
Press Select Key to select DC( ) or AC( ).
〜
V
Hz
100-66 Test Lead, 653 RPM Sensor (for Direct Ignition), 654 RPM Sensor (for High
Tension Code), 818-02 Temperature Probe, 943 Alligator Clip, 1024 Carrying Case,
Holster, 1.5V R03(AAA) Battery (Installed), F20 Spare Fuse (0.63A/500V), F32 Spare
Fuse (6.3A/500V), Instruction Manual
11. Diode Test ( )
Range
1.000 V Test Current
0.50mA typ. Open Circuit Voltage
＜1.6V DC typ.
Accuracy
±1.0％rdg±3dgt
K-type thermocouple / sensor accuracy is not included.
Range
‑50°C to 1000°C
‑58°F to 1832°F
Accuracy
±0.5％rdg±3dgt
±0.5％rdg±6dgt
12. Temperature ( °C ／ °F)
Range
6.000 μ F
60.00 μ F
600.0 μ F
2000 μ F
Accuracy
±2.0％rdg±5dgt
±3.5％rdg±5dgt
±4.0％rdg±5dgt
14. Capacitance ( )
660 AC/DC Clamp Adapter, 100-41 Test Lead Kit, 100-62 Test Lead Set, 944 Test Pin,
946 Battery Clip, 793 Coil Contact Pin
When using Clamp Adapter, read its instruction manual carefully.
Threshold Level
between 10Ωand 200ΩResponse Time
32ms
13. Continuity ( )
Turns the power on and selects measurement functions. After measurement, turn it to "OFF".
4-3. Select Key
Use this Key to select sub-measurement functions.
4-2. FUNCTION Switch
Press this key for 1 second or more to turn on the LCD backlight. Press for 1 second or more
again, backlight is turned off.
4-4. Key
4-6. CYLINDER Key
4-8. ±TRIGGER Key
Change ＋/−Trigger slopes in Duty Cycle and Injection Pulse Width measurements. (Refer to 6-2).
4-5. Key
4-7. Hold Key：Display Hold
Use this key to select the engine strokes in IP-RPM and IG-RPM measurements: Four-
stroke/Two-stroke/Two-stroke, 2-cylinder simultaneous ignition.
Use this Key to set number of cylinders in Dwell Angle and IG-RPM measurements.
Holds displayed value on LCD by pressing this Key. (" " lights up).
To release it：Press Hold Key again.
FREQUENCY MEASUREMENT ( Hz )
(1)
(2)
(3)
Press Select Key during voltage measurement. "Hz" lights up on LCD and Frequency
of the measuring voltage is displayed.
Press Select Key again to return to voltage measurement.
In Frequency measurement, input sensitivity can be changed in the following procedures.
a.
b.
c.
Press Level Key during frequency measurement. Input sensitivity level is changed
as Level 1 (6V)→2 (60V)→3 (600V)→4 (1000V). (default setting is Level 1 (6V)).
Sensitivity level is shown with the number of " " under the bar graph.
Change of input sensitivity is effective in the following cases.
When measured value is unstable, reduce the current input sensitivity level.
When measured value is "0", increase the current input sensitivity level.
( mV / 〜mV )
1．
2．
3．
4．
5．
6．
Insert black test lead to COM terminal, and insert red test lead to RPM/Temp＋/Ω/V/
terminal.
Set FUNCTION Switch to " ".
Press Select Key to select DC ( ) or AC ( )
NOTE：Display shows " mV→〜mV→°C→°F " each time the Select Key is pressed.
Connect black test lead to −(earth) side of the circuit being measured and connect red
test lead to ＋(positive) side.
NOTE : Connect the instrument IN PARALLEL to the circuit.
NOTE : Use alligator clips for dangerous voltage measurement.
Read the measurement value on LCD.
After finishing the measurement, set FUNCTION Switch to "OFF".
〜
Do not measure voltage in " " position. This will cause electrical shock
hazard to the operator and/or damage to the instrument.
Be careful not to drop off the instrument and test leads into the engine room.
Ignition system generates high voltage that could cause an electrical shock hazard.
Stop the engine when connecting or removing the test leads.
Read "3. SAFETY PRECAUTIONS" carefully before measurement.
●
●
●
●
WARNING
5-3. RPM MEASUREMENT (IG-RPM) ※ measuring RPM with test lead
％
-ms
IG-RPM
Stop the engine.
Insert black test lead to COM terminal, and insert red test lead to RPM/Temp＋/Ω/V/
terminal.
Set FUNCTION Switch to " ", and press Select Key until "RPM" appears
on LCD. ％
-ms
IG-RPM
1．
2．
3．
4-9. Range Key
Use this Key to change Auto or Manual-ranging (Refer to 6-1).
3-2. PREVENTION OF FAILURE
Maximum Input
600mV AC/DC
1000V AC/DC
6.000 V
60.00 V
600.0 V
1000 V
±2.0％rdg±5dgt
±2.2％rdg±5dgt
Range
60.00 mV
600.0 mV ≒10MΩ,
50pF 600Vrms
Resolution
0.01 mV
0.1 mV
Input
Impedance Overload
Protection
≒10MΩ,
50pF 1050Vrms
1450Vpeak
Maximum Input
600mV AC/DC
1000V AC/DC
Accuracy
±2.0％rdg±5dgt
1 mV
10 mV
100 mV
1 V
60.00 mA
600.0 mA
6.000 mA
10.00 mA
Range
600.0 μ A
6000 μ A0.25mV
／ μ A0.63A
／ 500V
Fuse
Resolution
0.1 μ A
1 μ A
Burden Voltage
Overload
Protection
Maximum Input
6000 μ A AC/DC
0.01 mA
0.1 mA
1 mA
10 mA
Accuracy
±0.7％rdg±3dgt
±0.5％rdg±3dgt
±0.7％rdg±3dgt
±0.5％rdg±3dgt
±0.7％rdg±3dgt
±0.5％rdg±3dgt
2.5mV
／ mA 0.63A
／ 500V
Fuse
600mA AC/DC
0.03V ／ A6.3A
／ 500V
Fuse
6A AC/DC
60.00 mA
600.0 mA
6.000 mA
10.00 mA
Range
600.0 μ A
6000 μ A0.25mV
／ μ A0.63A
／ 500V
Fuse
Resolution
0.1 μ A
1 μ A
Burden Voltage
Overload
Protection
Maximum Input
6000 μ A AC/DC
0.01 mA
0.1 mA
1 mA
10 mA
Accuracy
±2.2％rdg±5dgt
±2.0％rdg±5dgt
±2.2％rdg±5dgt
±2.0％rdg±5dgt
±2.2％rdg±5dgt
±1.2％rdg±5dgt
2.5mV
／ mA 0.63A
／ 500V
Fuse
600mA AC/DC
0.03V ／ A6.3A
／ 500V
Fuse
6A AC/DC
600Vrms
Overload Protection
6553 count max.
Display
600Vrms
Overload
Protection
Resolution
1°C
1°F600Vrms
Overload Protection
600Vrms
Overload Protection
Resolution
0.001 μ F
0.01 μ F
0.1 μ F
1μ F
600Vrms
Overload Protection

- 5 - - 6 - - 7 - - 8 -
Confirm if the clamp of the sensor is
completely closed.
After finishing the measurement, remove
the fixing tapes used for 653 RPM sensor.
Direct Ignition Engine：653 RPM Sensor
Put contact surface of the sensor on the top or side
of Direct Ignition Coil as shown in fig-7.
NOTE：
NOTE：
NOTE：
Measurement may not be done depending
on the sensor position. In that case, move
the sensor to the measurable position.
Contact surface is marked in Red.
Use tapes to fix the sensor.
fig-7
5-11. TEMPERATURE MEASUREMENT ( °C/°F)
Do not measure voltage in position. This will cause electrical shock hazard to the
operator and/or damage to the instrument.
Read "3. SAFETY PRECAUTIONS" carefully to avoid electric shock hazard and
serious damage to the instrument.
●
●
WARNING
fig-8
4．
5．
6．
7．
8．
9．
KT-2021
AutomotiveDMM
Earth
IGNITION COIL
fig-4
+_
Black(−)
Red(＋)
Set number of cylinders. Press Cylinder Key for 1
second or more to enter cylinder setting mode, and
press Cylinder Key again within 1 second to
select the number of cylinders from 1, 2, 3, 4, 5, 6,
8, 10, 12. Default setting is "4".
Stop pressing Cylinder Key when necessary
number is displayed.
Connect Test Lead to IGNITION COIL as shown in
fig-4.
Start the engine and read the measurement value
on LCD.
After finishing the measurement, set FUNCTION
Switch to "OFF".
Input sensitivity can be changed in the following
procedures.
a.
b.
c.
Press Level Key during IG-RPM measurement. Input sensitivity level is changed as
Level 3→2→1→4. (default setting is Level 3).
Sensitivity level is shown with the number of " " under the bar graph.
Change of input sensitivity is effective in the following cases.
When measured value is unstable, reduce the current input sensitivity level.
When measured value is "0", increase the current input sensitivity level.
Do not measure voltage in " " position. This will cause electrical shock
hazard to the operator and/or damage to the instrument.
Read "3. SAFETY PRECAUTIONS" carefully before measurement.
●
●
WARNING
fig-6
ON
Throttle Body
Injection (TBI)
ON
Port Fuel
Injection (PFI)
INJECTOR
Red：Connect to ECU signal
Black：Connect to ground
12V
ECU signal
KT-2021
AutomotiveDMM
5-5. INJECTION PULSE WIDTH MEASUREMENT ( ms )
％
-ms
IG-RPM
1．
2．
3．
4．
5．
※
Cautions for 654 RPM Sensor
Clamp a sensor gently without letting go of a lever suddenly when clamping 654 RPM
Sensor on high tension cord. 654 RPM Sensor Pick Up may be damaged by strong shock.
Do not apply hard mechanical shock to RPM Sensor by the fall.
●
●
CAUTION
1．
2．
3．
4．
5．
6．
7．
8．
Stop the engine.
Insert black plug of 653 or 654 to COM terminal and inset red plug to RPM/Temp＋/Ω/V/
terminal.
Set FUNCTION Switch to " ".
Press Key and choose the engine strokes from
the following list.
- Four-stroke cycle engine：
- Two-stroke cycle engine：
- Two-stroke cycle,
2-cylinder simultaneous ignition engine：M
Clamp the sensor on No.1 High Tension Cord facing the
arrow sign to the spark plug. (refer to fig-8)
NOTE：
Start the engine and read the measurement value.
After finishing the measurement, set
FUNCTION switch to "OFF".
NOTE：
High Tension Code type Engine : 654 RPM Sensor
KT-2021 is able to change the sensor sensitivity, however, RPM measurement may
not be done depending on the types of engines. In that case, we recommend to use
"SK-8401 Digital Tachometer".
Do not apply hard mechanical shock to RPM Sensors.
●
●
NOTES FOR RPM MEASUREMENT
Input sensitivity can be changed in the following procedures.
a.
b.
c.
Press Level Key during IP RPM measurement. Input sensitivity level is changed as
Level 3→2→1→4. (default setting is Level 3).
Sensitivity level is shown with the number of " " under the bar graph.
Change of input sensitivity is effective in the following cases.
When measured value is unstable, reduce the current input sensitivity level.
When measured value is "0", increase the current input sensitivity level.
Insert black test lead to COM terminal and insert red test lead to RPM/Temp＋/Ω/V/
terminal.
Set FUNCTION Switch to " " and press Select Key until " MΩ" appears on LCD.
If the resistor to be measured is connected in a circuit, turn off power to the circuit and
discharge the all capacitors. Then, disconnect one side of the resistor.
Connect test leads to the resistor (or circuit) to be measured.
Read the measurement value on LCD.
After finishing the measurement, set FUNCTION Switch to "OFF".
Do not measure voltage in position. This will cause electrical shock hazard to the
operator and/or serious damage to the instrument.
In case in-circuit resistance is measured, turn off power to the circuit being measured
and discharge the all capacitors.
Discharge high-capacity capacitor through appropriate resistance load.
Read "3. SAFETY PRECAUTIONS" carefully before measurement.
1．
2．
3．
4．
5．
6．
●
●
●
WARNING
5-7. RESISTANCE MEASUREMENT ( Ω )
Insert black test lead to COM terminal and insert red test lead to RPM/Temp＋/Ω/V/
terminal.
Set FUNCTION Switch to " " and press Select Key until " V " appears on LCD.
If the diode is connected in a circuit, turn off the power to the circuit and discharge the all
capacitors. Disconnect one side of the diode.
Connect black test lead to Anode side and red test lead to Cathode side of the diode
(Reverse connection). Confirm "OL" is displayed on LCD.
Connect test leads to the opposite side of 4 (Forward Connection). Test results are good
if the following voltage values are displayed on LCD.
After finishing the measurement, set FUNCTION Switch to "OFF".
1．
2．
3．
4．
5．
6．
Do not measure voltage in position. This will cause electrical shock hazard to the
operator and/or damage to the instrument.
If the diode is connected in a circuit, turn off the power to the circuit and discharge the
all capacitors.
Discharge high-capacity capacitor through appropriate resistance load.
Read "3. SAFETY PRECAUTIONS" carefully before measurement.
●
●
●
fig-9
Black Black
Red Red
WARNING
Anode Cathode
Anode Cathode
Reverse Connection Forward Connection
Silicon diodes....0.4V to 0.9V
Germanium diodes....0.1V to 0.4V
●
●
5-8. DIODE TEST ( )
KT-2021
AutomotiveDMM
+_
5-4. DWELL ANGLE MEASUREMENT ( )
Do not measure voltage in " " position. This will cause electrical shock
hazard to the operator and/or damage to the instrument.
Be careful not to drop off the instrument and test leads into the engine room.
Ignition system generates high voltage that could cause an electrical shock hazard.
Stop the engine when connecting or removing the test leads.
Read "3. SAFETY PRECAUTIONS" carefully before measurement.
●
●
●
●
WARNING
％
-ms
IG-RPM
1．
2．
3．
4．
5．
6．
7．
8．
Start the engine and read the measurement value on LCD.
After finishing the measurement, set FUNCTION Switch to "OFF".
Earth
IGNITION COIL
fig-5
Black(−)
Red(＋)
Stop the engine.
Insert black test lead to COM terminal, and insert
red test lead to RPM/Temp＋/Ω/V/ terminal.
Set FUNCTION Switch to " ", and
press Select Key until " " appears on LCD.
Set number of cylinders. Press Cylinder Key for 1
second or more to enter cylinder setting mode, and
press Cylinder Key again within 1 second to
select the number of cylinders from 1, 2, 3, 4, 5, 6,
8, 10, 12. Default setting is "4".
Stop pressing Cylinder Key when necessary
number is displayed.
Connect Test Lead to IGNITION COIL as shown in
fig-5.
％
-ms
IG-RPM
Duty Cycle (%) Converted value is displayed by pressing Select Key once during Dwell
Angle measurement.
Input sensitivity can be changed in the following procedures.
DUTY CYCLE MEASUREMENT ( % )
a.
b.
c.
Press Level Key during Duty Cycle measurement. Input sensitivity level is changed
as Level 3→2→1→4. (default setting is Level 3).
Sensitivity level is shown with the number of " " under the bar graph.
Change of input sensitivity is effective in the following cases.
When measured value is unstable, reduce the current input sensitivity level.
When measured value is "0", increase the current input sensitivity level.
Duty Cycle (%) Converted value is displayed by pressing Select Key three times during
Injection Pulse Width measurement.
Input sensitivity can be changed in the following procedures.
DUTY CYCLE MEASUREMENT ( % )
a.
b.
c.
Press Level Key during Duty Cycle measurement. Input sensitivity level is changed
as Level 3→2→1→4. (default setting is Level 3).
Sensitivity level is shown with the number of " " under the bar graph.
Change of input sensitivity is effective in the following cases.
When measured value is unstable, reduce the current input sensitivity level.
When measured value is "0", increase the current input sensitivity level.
Do not measure voltage in position. This will cause electrical shock hazard to
the operator and/or damage to the instrument.
Be careful not to drop off the instrument and RPM sensor into the engine room.
Ignition system generates high voltage that could cause an electrical shock hazard.
Stop the engine when connecting or removing the RPM sensor.
Read "3. SAFETY PRECAUTIONS" carefully before measurement.
●
●
●
●
WARNING
5-6. RPM MEASUREMENT ( IP-RPM ) ※ measuring RPM with RPM Sensor 5-9. CONTINUITY TEST ( )
Do not measure voltage in position. This will cause electrical shock hazard to the
operator and/or damage to the instrument.
When measuring in-circuit continuity, turn off power to the circuit to be measured and
discharge the all capacitors.
Discharge high-capacity capacitor through appropriate resistance load.
Read "3. SAFETY PRECAUTIONS" carefully before measurement.
●
●
●
●
WARNING
1．
2．
3．
4．
5．
Insert black test lead to COM terminal and insert red test lead to RPM/Temp+/Ω/V/
terminal.
Set FUNCTION Switch to " " and press Select Key until " " appears on LCD.
If the diode is connected in a circuit, turn off the power to the circuit and discharge the all
capacitors. Disconnect one side of the diode.
Connect test lead to both side of the circuit to be measured. Buzzer sounds when the
circuit resistance is 10Ωto 200Ω
After finishing the measurement, set FUNCTION Switch to "OFF".
5-10. CAPACITANCE MEASUREMENT ( )
Do not measure voltage in position. This will cause electrical shock hazard to the
operator and/or damage to the instrument.
If the capacitor is connected in a circuit, turn off the power to the circuit and discharge
the all capacitors.
Discharge high-capacity capacitor through appropriate resistance load.
Read "3. SAFETY PRECAUTIONS" carefully before measurement.
●
●
●
●
WARNING
1．
2．
3．
4．
5．
6．
Insert black test lead to COM terminal and insert red test lead to RPM/Temp＋/Ω/V/
terminal.
Set FUNCTION Switch to " " and press Select Key until " μ F " appears on LCD.
If the capacitor is connected in a circuit, turn off the power to the circuit and discharge
the all capacitors. Disconnect one side of the capacitor.
Connect test lead to both side of the capacitor to be measured.
Read the measurement value on LCD.
NOTE：High capacitance capacitor should be taken longer to get a measurement value.
After finishing the measurement, set FUNCTION Switch to "OFF".
1．
2．
3．
4．
Insert "−" side of temperature probe to COM terminal and insert "＋" side to RPM/Temp+
/Ω/V/ terminal.
Set FUNCTION Switch to " " and press Select Key until °C( ) or °F( )
appears on LCD.
Put the tip of temperature probe on the object to be measured, and read the LCD.
After finishing the measurement, set FUNCTION Switch to "OFF".
6-3. LCD BACKLIGHT
1．
2．
Backlight turns on LCD. It helps the measurement
in a dark place.
6-4. IMPROPER CONNECTION WARNING
1．
2．
When the function except " " and " " is selected, warning buzzer sounds with
"InEr" indication on LCD by connecting test lead to "mA/
μ A" or "A" terminal.
When the function " " is selected, warning buzzer sounds with "InEr" indication on
LCD by connecting test lead to "A" terminal.
Insert black test lead to COM terminal, and insert red test lead to RPM/Temp＋/Ω/V/
terminal.
Set FUNCTION Switch to " ", and press Select Key until " ms " appears
on LCD.
Connect test leads to an INJECTOR as shown in fig-6.
NOTE：
NOTE：
Read the measurement value on LCD.
After finishing the measurement, set FUNCTION Switch to "OFF".
This function can measure both Port Fuel Injectors (PFI) which operate with a single on
time pulse and Throttle Body Injectors (TBI) which operate with twin pulses.
Try some connections to find ECU signal when it is difficult to be found
depending on the injection wiring.
Use of 100-41 Test Lead Kit or 100-62 Test Lead Set, which contains a narrow
test pin model 792, are recommended for safety measurement.
％
-ms
IG-RPM
Do not measure the current that exceeds the maximum value (A：6A AC/DC, mA：
600mA AC/DC,
μ A：6000 μ A AC/DC) to avoid electrical shock hazard and/or damage
to the instrument.
Connect RED test lead to "mA/ μ A" or "A" terminal.
Do not measure the current that exceeds 250V open circuit voltage.
10A AC/DC measurement is possible, but within 30 seconds. For continuous
measurement, every 5 minutes interval is necessary for cooling down.
Do not measure voltage in " " or " " position. This will cause electrical shock
hazard to the operator and/or damage to the instrument.
Read "3. SAFETY PRECAUTIONS" carefully before measurement.
5-10. CURRENT MEASUREMENT ( μ A, mA / A )
●
●
●
●
●
●
WARNING
WARNING
10A AC/DC measurement is possible, but within 30 seconds. For continuous
measurement, every 5 minutes interval is necessary for cooling down.
1．
2．
3．
4．
5．
6．
Insert black test lead to COM terminal.
Insert red test lead to mA/ μ Aterminal for mA or μ A measurement, or insert it to A
terminal for A measurement.
Set FUNCTION Switch to " " for A or mA measurement, or set it to " " for μ A
measurement.
Press Select Key to select DC ( ) or AC ( 〜).
Turn off the power of the circuit to be measured. Open the circuit after discharging the
capacitors.
Connect black test lead to −(earth) side and connect red test lead to ＋(positive) side of
the circuit to measured.
NOTE：
NOTE：Connect the instrument IN SERIES to the circuit.
Use Alligator Clips for dangerous current measurement.
Turn on the power of the circuit being measured and read the measurement value on LCD.
Disconnect test leads from the circuit being measured after turn it off and discharge the
all capacitors.
After finishing the measurements, set FUNCTION Switch to "OFF".
7．
8．
9．
fig-10
6-2. TRIGGER ＋/−CHANGING：±TRIGGER Key
For example: In the case of fig-10
This function is available in Duty Cycle and Injection Pulse
Width measurements.
"＋" and "−" sides of measuring trigger slope can be
displayed by pressing ±TRIGGER Key. Default display is
"−".
Manual-range measurement is possible by pressing Range Key during auto-range
measurement (" " disappears from LCD).
To change the measurement range in manual-range, press Range Key.
To return to Auto-range：Press Range Key for more than 1 second. (" " lights up).
6-1. RANGE HOLD：Range Key
6. FUNCTIONS
KT-2021
Automotive DMM
KT-2021
Automotive DMM
1．
2．
3．
4．
3.18ms is measuring in Injection Pulse Width
measurement. "−" sign shows that this value is "−"
side of the measuring trigger slope.
Press ±TRIGGER Key for 1 second or more.
LCD display is changed into "＋" side of the trigger
slope and "＋7.42ms" is displayed.
LCD returns into "−" value by pressing ±TRIGGER
Key again for 1 second or more.
fig-11
＋
7.42ms
(70%)
3.18ms
(30%)
−
5．
6．
For reference, the waveform of this
measurement becomes like fig-11.
In Duty Cycle terms, "−" should be 30% and
"＋" value should be 70% as shown in fig-11.
Press Key for more than 1 second to turn on the backlight.
NOTE：Backlight turns off automatically after 32 seconds.
During backlight turns on, press Key for more than 1 second again to turn off the
backlight.
7-1. BATTERY AND FUSE REPLACEMENT
To avoid electrical shock, detach test leads from circuit when to replace battery and fuse.
Set FUNCTION Switch to "OFF".
Always use the specified fuse. Do not use this instrument shorting fuse holder or
without using the fuse.
FUSE SPECIFICATION：Fast-acting 0.63A/500V (φ6.0×32mm)
Fast-acting 6.3A/500V (φ6.0×32mm)
WARNING
7. MAINTENANCE
●
●
●
●
Replace the battery when " " lights up on LCD.
1．
2．
3．
4．
5．
6．
7．
NOTE：
NOTE：
Installed battery is for inspection purpose and might be exhausted earlier than the
new battery.
Remove the battery when the instrument is out of use for a long time. The
exhausted battery might leak electrolyte and corrode the inside.
Finish the measurement and set FUNCTION Switch to "OFF".
Remove the holster and loosen a screw on rear cover.
Remove rear cover from the bottom side.
Remove the exhausted battery and replace it into 2 pcs of new 1.5V R03 (AAA) batteries
in the correct polarity.
When replacing a fuse, replace a blown fuse into a new one.
Fix rear cover onto the rear case from upper side fitting their hooks together.
Tighten the screws on rear case and fix the holster.
fig-12
1.5V R03 (AAA)
Batteries (2 pcs) Fuse 0.63A/500V
Fuse 6.3A/500V
Rear Cover
Check the battery connection, polarity, and capacity (" " lights up or not).
Confirm that FUNCTION Switch is set to the correct position.
Confirm that the body of this instrument and handle insulators of test leads have no
cracks or any other damages.
Check if any noise affects the instrument. This instrument is fully shielded against noise,
but possibly to be affected by very strong noise.
Periodical check and calibration is necessary to make safety measurements and to
maintain the specified accuracy. The recommended check and calibration term is once a
year and after the repair service. This service is available at KAISE AUTHORIZED
SERVICE AGENCY through your local dealer.
Repair service is available at KAISE AUTHORIZED SERVICE AGENCY through your local
dealer. Pack the instrument securely with your name, address, telephone number and
problem details, and ship prepaid to your local dealer.
7-2. PERIODICAL CHECK AND CALIBRATION
7-3. REPAIR
1．
2．
3．
4．
Check the following items before asking repair service.
KT-2021 is warranted in its entirety against any defects of material or workmanship under
normal use and service within a period of one year from the date of purchase of the original
purchaser. Warranty service is available at KAISE AUTHORIZED SERVICE AGENCY
through your local dealer. Their obligation under this warranty is limited to repairing or
replacing KT-2021 returned intact or in warrantable defect with proof of purchase and
transport charges prepaid. KAISE AUTHORIZED DEALER and the manufacturer, KAISE
CORPORATION, shall not be liable for any consequential damages, loss or otherwise. The
foregoing warranty is exclusive and in lieu of all other warranties including any warranty of
merchantability, whether expressed or implied.
This warranty shall not apply to any instrument or other article of equipment which shall
have been repaired or altered outside of KAISE AUTHORIZED SERVICE AGENCY, nor
which have been subject to misuse, negligence, accident, incorrect repair by users, or any
installation or use not in accordance with instructions provided by the manufacturer.
WARRANTY
70-1201-2021-1 1109
KAISE AUTHORIZED DEALER
422 Hayashinogo, Ueda City, Nagano Pref., 386-0156 Japan
TEL : [phone] (REP.) / FAX : [phone]
E-mail : [email protected] http://www.kaise.com
Product specifications and appearance are subject to change without notice due to continual improvements.
Press key and choose the engine strokes from the following list.
- Four-stroke cycle engine
- Two-stroke cycle engine
- Two-stroke cycle, 2-cylinder simultaneous ignition engine M
SPARK PLUG
654
SPARK
PLUG
Arrow sign ( )