CPS AC750 User manual

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VOLT-100 WIRELESS
AC750 DIGITAL
CLAMP METER
OWNER’S MANUAL (English)
Please
insert latest
front view
VOLT100
image
(throughout)
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CONTENTS
1. Safety Information
1.1 Preliminary....................................................................1
1.2 Usage................................................................................2
1.3 Symbols ........................................................................3
1.4 General Use.......................................................................4
2. Description
2.1 AC750 Layout................................................................5
2.2 Switch,Key andInputJack Description ..........................6
2.3 LCD Display ...............................................................7-8
3. Specifications
3.1 General..............................................................................9
3.2 Technical Data............................................................10-15
4. Operating Instructions
4.1 Reading Hold...............................................................16
4.2 Manual Measuring Range............................................16
4.3 Frequency Duty/RatioSwitch.......................................16
4.4 Maximum /Minimum Measurement..............................17
4.5 Function Key.................................................................... 17
4.6 INRUSH Measurement................................................17
4.7 BackLightAndClampHeadLight................................18
4.8 Automatic Power-Off....................................................18
4.9 MeasurementPreparation ...........................................18
2
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CONTENTS
4.10 CurrentMeasurement.......................................................... 19
4.11 VoltageMeasurement.......................................................... 20
4.12 Frequencyand DutyRatio Measurement.............................. 20
4.13 ResistanceMeasurement .................................................... 21
4.14 DiodeTest........................................................................... 21
4.15 CircuitContinuityTest......................................................... 22
4.16 CapacitanceMeasurement .................................................. 22
4.17 Surge CurrentMeasurement................................................ 22
4.18 Non-ContactVoltageDetection............................................ 23
5. Wireless Operation
5.1 Connection....................................................................... 24
5.2 Data Logging.........................................................................2 5
5.3 Cost of Operation.................................................................. 26
6. Maintenance
6.1 Calibration........................................................................ 27
6.2 BatteryReplacement............................................................. 27
6.3 ProbeReplacement............................................................... 27
7. Accessories................................................................................. 28
8. Warranty...................................................................................... 29
3
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1. SAFETYINFORMATION
Thismeterisdesignedandmanufacturedaccordingtosafetyrequirements
of EN 61010-1, EN 61010-2-032, EN 61010-2-033 concerning electronic
measuringinstruments witha measurement CATIII 1000V,CATIV 600V and
pollution degree 2 and safety requirements for hand-held clamps for electrical
measurement andtest.
1.1 PRELIMINARY
1.1.1 Whenusingthismeter,complywithstandardsafetyrules:
- General shockprotection
- Preventmisuseofthismeter
1.1.2 After receiving meter, checkfor any transportation damage that may
haveoccurred.
1.1.3 Ifmeterwasstoredorshippedunderharshconditions,confirmif
meterhasbeendamaged.
1.1.4 Probeshouldbeingoodcondition.Beforeuse,checkifprobe
insulationisdamagedandnobaremetalwiresarefound.
1.1.5 Usetheprobetableprovidedwiththemetertoensuresafety.If
necessary, replace either probe with identical probe or one with the
samelevelofperformance.
4
WARNING
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1. SAFETYINFORMATION
1.2 USAGE
1.2.1 DONOT measurevoltagegreaterthan750VAC,1000VDC.
1.2.2 DONOT measureresistor,capacitor,diodeandcircuitwhile
connected topower.
1.2.3 DONOT measurecapacitancebeforecapacitorisdischarged
completely.
1.2.4 DONOT usemeterinexplosivegas,vaporordustyenvironments.
1.2.5 DONOT storeorusemeterindirectsunlight,highambient
temperatureorhighhumidity.
1.2.6 Duringtestofcurrents,resistors,capacitors,diodesandcircuit
connections,
DONOT connectmetertoavoltagesource.
1.2.7 DONOT useunlessmeterbottomcaseandbatterycoverare
completely fastened.
1.2.8 Duringuse,selecttherightfunctionandmeasuringrange.
1.2.9 Duringmeasurement, DONOT exceedtheindicatedvaluefor
eachrange.
1.2.10 Whenmeasuringacircuitwiththemeterconnected, DONOT
contact with probe tip (metal part).
1.2.11 Duringmeasurement,ifvoltagetobemeasuredismorethan
60VDCor30VAC(RMS), alwayskeepfingersbehindfinger
protectiondevice
1.2.12 Inthemanualmeasuringrangemode,whenmeasuringan
unknownvalue,selectthehighestmeasuringrangefirst.
1.2.13 Beforerotating SelectorSwitch tochangemeasuringfunction,
removeprobefromcircuittobemeasured.
1.2.14 Ifyoufindanyabnormalphenomenaorfailureofmeter,stop
usingimmediately.
5
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1. SAFETYINFORMATION
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6
Note
-Important safety information, refer to the
instruction manual.
Application around and removal from UNINSULATED
HAZARDOUS LIVE conductors is permitted.
Caution, possibility of electric shock
Equipment protected throughout by double insulation or
reinforced insulation.
Conforms
toULSTD.61010-1,61010-2-032,
61010-2-
033;
CertifiedtoCSASTDC22.2NO.
61010-1, 61010-2-032,61010-2-033
Complies with European (EU) safety standards
Earth (ground) terminal
Direct current
Alternating current
Both direct and alternating current
CAT III
It
isapplicabletotestandmeasuringcircuits
connected
to
thedistributionpartofthebuilding’slow-
voltage
MAINS installation.
CATIV
It
isapplicabletotestandmeasuringcircuits
connected
at
thesourceof thebuilding’s
low-voltage MAINS installation.
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1. SAFETYINFORMATION
1.4 GENERALUSE
1.4.1 Donotopencasetoadjustorrepair(onlyfortechnicianswhofully
understandthismeterandelectricalshockhazard).
1.4.2 Beforeopeningcaseorbatterycover,removeprobefromcircuittobe
measured.
1.4.3 Toavoidwrongreadingscausingelectricshock,when““appearson
meterdisplay,replacebatteryimmediately.
1.4.4 Cleanmeterwithdampclothandmilddetergent.Donotuseabrasives
orsolvents.
1.4.5 Set SelectorSwitch toOFFpositionwhenmeternotinuse.
1.4.6 Ifmeterisnotusedforanextendedtime,removebattery.
2. DESCRIPTION
2. DESCRIPTION
• Thismeterisaportable,professionalmultifunctionmeasuring
instrumentwithLCDdisplayandbacklight.
SelectorSwitch is
operatedwithonehandforeasyoperation.
• ThismeterisformeasuringACcurrent,DCcurrent,ACvoltage,
DCvoltage,frequency,dutyratio,resistance,capacitance
measurement, circuit connection, diode test and non-contact
voltagedetection.
Other features include:
• Automaticmeasuringrangeandmanualmeasuringrange
• Overloadprotection
• Reading holdfunction
• MaxandMinmeasuringfunction
• Clampheadfrequencymeasurementfunction
• Auto power-offfunction
• Relative measuringfunction
• Low batteryindicator
7
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2. DESCRIPTION
2.1 VOLT-100 LAYOUT
1. Current clamp
head(forcurrent
measurement)
2. Clamp headlight
3. Control panel 1
4. Jaw Trigger
5. Function choicekey
( FUNC)
6. Relative
measurementkey 2
7. Frequency/duty ratio
switchkey(Hz/%) 15
8. LCDdisplay 14
9. Commonendjack 3
10. Resistance,
capacitance,
voltage, frequency,
4
13
diode and continuity
input jack
11. Maximum/minimum 6
choice key (MAX/ 12
MIN) 7
12.
Reading hold/ 11
Back light key 8
16
5
(BL/ HOLD)
13. Selector Switch
14. NCV indicator
15. Protective Barrier
9
10
(limit of safe
access)
16. Wire pick
8
Change all of the key locations to the
new key names (example: 12 is now
the Link/REL button)
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2. DESCRIPTION
2.2 SWITCH,KEYANDINPUTJACKDESCRIPTION
9
BL/HOLD
Back light or reading hold key
FUNC
Function key (use with Selector Switch)
RANGE
For switching manual measuring range state
Link/REL
For connecting to Bluetooth smart device and
entering relative measurement state
Hz/%
For
frequency and duty ratio
measurement function switch
MAX/MIN
For maximum/minimum measurement function switch
OFF
For turning power OFF
INPUT Jack
Voltage, resistance, frequency, duty ratio, capacitance, diode,
circuit connection input wire connecting terminal
COM Jack
Voltage, resistance, frequency, duty ratio, capacitance, diode,
circuit connection common wire connecting terminal
Selector
Switch
For selecting function and measuring range
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2. DESCRIPTION
2.3 LCD DISPLAY
10
Automatic power-off indicator
AUTO
Automatic measuring range mode
INR
Surge current test
Diode, on/off
REL
Relative measurement mode
MAX /MIN
Maximum/minimum measurement
NCV
Non-contact voltage detector
 ,k  ,M  
Ohm, Kilohm, Megohm (resistance)
nF,μF,mF
Nano farad, Microfarad, Millifarad
AC, DC
Alternating current, direct current
H
Reading hold state
Z
DC current zeroing function
Low battery icon
%
Percentage (duty ratio)
mV,V,A
Millivolt, Volt (voltage), Ampere (current)
Hz,kHz,MHz
Frequency range
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3.SPECIFICATIONS
3.1 GENERAL
11
Maximum Input Current
1000A AC; 1000A DC
Maximum Input Voltage
750V AC (RMS); 1000V DC
AC Volts
6mV/600mV/6V/60V/600V/750V (+/-
0.6%reading);750V(+/-0.8%reading)
DC Volts
6mV/600mV/6V/60V/600V/1000V (+/-
0.5% reading); 1000V (+/-0.8% reading)
AC Amps
60/600/1000 (+/- 2% reading)
DC Amps
60/600/1000 (+/- 2% reading)
OHMs
600/6K/60K/600K/6M/60M (+/- 2%
reading)
Frequency (Through Jaw Clamp)
99.99 Hz to 999.9 Hz
Frequency (Through Mode V)
99.99 Hz to 9.999kHz
Frequency(ThroughModeHZ/DUTY)
9.999 Hz to 9.999 MHz
MeasuringRangeOverloadProtection
Yes (Full Range)
Sampling Rate
Approx. 3 times/sec.
LCD Display Auto-Off
After 15 minutes (if no operation)
Test Leads (Red, Black)
39" (1 m), Included
Battery Undervoltage Indication
Display shows
Polarity Indication
Automatic ("-" = negative polarity)
Display Indication (Exceeds Max Range)
"OL" or "-OL"
Temperature Coefficient
<0.1 X accuracy/°C
Clamp, Max Opening
1.6" (42 mm)
Full measuring range overload
protection
Yes
Battery
One 9V DC (Included)
Operation Temperature
32°F~122°F (0°C ~ 50°C)
Storage Temperature
-14°F~122°F (-10°C ~ 50°C)
Size (H x W x D)
9.4˝x1.9˝x3.6˝(238x50x92mm)
Weight (Including Battery)
0.92 lb (420 g)
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3.SPECIFICATIONS
3.2.1 TRUERMSZEROINPUTCHARACTERISTIC
3.2.1.1 For measuring non-sinusoidal wave signals, use true RMS
measuringmethod,whichhaslesserrorthantraditional
averageresponsemeasuringmethod.
3.2.1.2 This true RMS meter can accurately measure non-sinusoi-
dalwavesignals,butinACfunctionmode,whenthereis
nosignaltobemeasured(inputterminalshortcircuitinAC
voltagemode),clampmetermayshowareadingfrom1to
50.Thesedeviatingreadingsarenormal.Inthedesignated
measurementrange,theywillnotaffecttheaccuracyfor
multimeter measuringAC.
3.2.1.3 True RMS can be measured only wheninputsignal reaches
acertainlevel.Therefore,themeasuringrangeofAC
voltageandcurrentshouldbespecifiedat2%~100%of
full range.
3.2.2 AC CURRENT
Measuring range
Resolution
Accuracy
60A
0.01A
±(2.5%
reading+8
digits)
600A
0.1A
1000A
1A
•Maximuminputcurrent: 1000A AC
•Maximuminputcurrent: 0~600A: 40~400Hz;
600A~1000A: 40~60Hz
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3.SPECIFICATIONS
3.2.3 DC CURRENT
Measuring range
Resolution
Accuracy
60A
0.01A
±(2.0%
reading+8
digits)
600A
0.1A
1000A
1A
•Maximuminputcurrent: 1000A DC
3.2.4 SURGE CURRENT
Measuring range
Resolution
Accuracy
60A
0.01A
< 60A for reference only
600A
0.1A
±(5% reading + 60 digits)
1000A
1A
Timeofintegration: 100ms;
Measurement range: 20-1000A
Frequencyrange:
40-400Hz
3.2.5 DC VOLTAGE
Measuring range
Resolution
Accuracy
600mV
0.1mV
±(0.5%
reading+5
digits)
6V
0.001V
60V
0.01V
600V
0.1V
1000V
1V
±(0.8% reading + 4 digits)
• Input impedance: 10M
• Maximuminputvoltage:750VAC(RMS)or1000VDC
Note:Inthesmallvoltagemeasuringrange,theprobeisnot
connectedwiththecircuittobetested,andthemetermayhave
fluctuatingreadings,whichisnormalandcausedbythemeter’s
high sensitivity. This does not affect actual measurement results. 13
0
0
0
0
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
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3.SPECIFICATIONS
3.2.6 AC VOLTAGE
Measuring range
Resolution
Accuracy
600mV
0.1mV
±(0.8%
reading+5
digits)
6V
0.001V
60V
0.01V
600V
0.1V
750V
1V
±(0.8% reading + 4 digits)
• Input impedance: 10M
• Maximuminputvoltage:750VAC(RMS)or1000VDC
•Frequency range: 40 -400Hz
Note:Inthesmallvoltagemeasuringrange,theprobeisnotconnectedwiththecircuitto
betested,andthemetermayhavefluctuatingreadings,whichisnormalandcausedby
themeter’shighsensitivity.Thisdoesnotaffectactualmeasurementresults.
3.2.7 FREQUENCY
3.2.7.1 Clampheadmeasuringfrequency(throughrangeA):
Measuring range
Resolution
Accuracy
99.99Hz
0.01Hz
±(1.5%
reading+5
digits)
999.9Hz
0.1Hz
• Measuring scope: 10Hz-1kHz
•Inputsignalrange:20AAC(RMS)(inputcurrentwillincrease
whenthefrequencytobemeasuredincreases)
• Maximum input current: 1000A (RMS)
3.2.7.2 Through modeV:
Measuring range
Resolution
Accuracy
99.99Hz
0.01Hz
±(1.5%
reading+5
digits)
999.9Hz
0.1Hz
9.999Hz
0.001kH
• Measuring scope: 10Hz - 10kHz
•Inputsignalrange:20AAC(RMS)(inputcurrentwillincreasewhen
the frequencyto bemeasured increases)
• Input impedance: 10M
14• Maximum input voltage :750V AC (RMS)
0
0
0
0
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
0
0
0
0
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
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3.SPECIFICATIONS
3.2.7.3 Through modeHZ/DUTY:
Measuring range
Resolution
Accuracy
9.999Hz
0.01Hz
±(0.3%
reading+5
digits)
99.99Hz
0.1Hz
999.9Hz
0.001kHz
9.999kHz
0.01kHz
99.99kHz
0.1kHz
999.9kHz
0.001MHz
9.999MHz
0.001kH
• Overloadprotection: 250VDC orAC(RMS)
•Inputvoltagerange:2V(inputvoltagewillincreasewhenthe
frequencyto bemeasuredincreases)
3.2.8 Duty Ratio
3.2.8.1 Through mode A (from clamp head):
•Frequency response:10-1kHz
• Input current range: t20A AC (RMS)
• Maximum input current: AC 1000A
3.2.8.2 Through modeV:
•Frequency response: 10-10kHz
•Input voltage range: t 60mVAC
• Input impedance: 10M
• Maximum input voltage: 750V AC (RMS)
3.2.8.2 Through mode HZ/DUTY:
•Frequency response: 10 -10MHz
•Inputvoltagerange: t 2VAC(RMS)(inputvoltagewillincrease
whenthefrequencytobemeasuredincreases)
• Maximum input voltage: 250VAC (RMS) 15
Measuring range
Resolution
Accuracy
0.1-99.9%
0.1%
±3.0%
0
0
0
0
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
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3.SPECIFICATIONS
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3.2.9 RESISTANCE
Measuring range
Resolution
Accuracy
600

0.1

±(0.8% reading + 3
digits)
6k
0.001k
60k
0.01k
600k
0.1k
6M  
0.001M
±(2.0% reading + 5 digits)
60M
0.1M
• Open circuit voltage: about 0.4 V
•Overload protection: 250 V DC or AC (RMS)
3.2.10 CIRCUIT CONTINUITY TEST
•Overload protection: 250 V DC or AC (RMS)
3.2.11 CAPACITANCE
Measuring range
Resolution
Accuracy
9.999nF
0.001nF
±(3.0% reading + 5 digits)
99.99nF
0.01nF
999.9nF
0.1nF
9.999μF
0.001μF
99.99μF
0.01μF
999.9μF
0.1μF
9.999mF
0.001mF
99.99mF
0.01mF
•Overload protection: 250 V DC or AC (RMS)
16
Measuring range
Resolution
Function
0.1
Iftheresistanceofcircuitto
be
measuredislessthan50 
,
the meter’s built
-in buzzer
may
sound.
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3.SPECIFICATIONS
3.2.12 DIODE TEST
Measuring
range
Resolution
Function
0.001V
Display approximate diode
forward voltage value
• Forward DC current is about 1mA
•Backward DC voltage is about3.3V
• Overloadprotection: 250V DCorAC(RMS)
4.1 READING HOLD
1. Duringmeasurement,ifreadingholdisrequired, press“HOLD/BL”
keyandthevalueonthedisplaywillbelocked.Press“HOLD/BL”
key againtocancel reading holdstate.
4.2 MANUAL MEASURING RANGE
1. RANGE key is automatic/manual measuring range key to trigger
mode. The preset range is automatic measuring range. Press to
switch to manual measuring range. In manual measuring range
mode,clickoncetochangetoupperrange.Continuetothetop
range,thencontinuetopressthiskeytochangetothebottom
range,followedbyrecycling.Ifthiskeyispressedmorethan2
seconds,itwillswitchbacktoautomaticmeasuringrangestate.
Note: In capacitance and frequency measurement state, rhwmanual
measuring range key is invalid.
4.3 FREQUENCY/DUTY RATIOSWITCH
1. WhenmeterisinACvoltagemode,if“Hz/%”keyispressed,
the meter willmeasure Hz, and measure AC voltage,AC current
signal frequency. Click “Hz/%” key again and meter will measure
DUTYcycle,voltageandcurrentsignaldutyratio.IfinHZ/DUTY
position,pressingHZ%keywillswitchbetweenHZandDUTY
by recycling.
2. If“Hz/%”keyispressedagain,meterwillreverttovoltage,
current measurementstate. 17
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4.OPERATINGGUIDANCE
Note: If meter is in maximum/minimum value measurementstate,
itcannotswitchtofrequency,dutyratiomeasurementmode.
4.4 MAX/MIN MEASUREMENTCHOICE
1. Press“MAX/MIN”keytoenterMAXmode,andalwayskeep
measurementmaximumvalue;press“MAX/MIN”keyagain,to
enter minimum value measurement state; press “MAX/MIN”
keyforthethirdtimeandthemeterwilldisplaythedifferenceof
maximumandminimumvalue;press“MAX/MIN”keytorepeat
the above operations by recycling.
2. AfterenteringMAXorMINmode,meterwillautomaticallysave
themeasuredmaximumorminimumvalue.
3. Iftheuserpresses“MAX/MIN”keymorethan2sec,meterwill
restore normal measuringrange.
Note:
a) When meter is in maximum/minimum valuemeasurement
state,itisinmanualmeasuringrangemode.
b) Whenmeterisinfrequency,dutyratiomeasurementstate,it
cannotswitchtomaximum/minimumvaluemeasurementmode.
4.5 FUNCTION SWITCH
1. In resistance mode, press FUNC key and meter will switch
among resistance, diode and continuity detection by recycling.
2. Involtageandcurrentmode,press FUNC keytoswitch
between AC andDC.
4.6 REL/INRUSH MEASUREMENT
1. REL/INRUSH keyisrelativevaluemeasurementkey.Pressing
thiskeywillenterrelativevaluemeasurementmode.The
currentdisplayvaluecanbestoredinthememoryasreference
value.Whentheusermeasureslater,thedisplayvalueis
the difference for input value minus reference value. ie.
REL (current reading)= Input value - Reference value.
2. The relative valuemeasurementcanonlybe performedin
manual mode.
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4.OPERATINGGUIDANCE
3. InACcurrentmeasurementstate,press REL/INRUSH morethan
2secondstoentersurgemeasuringstate.
4.7 BACKLIGHT AND CLAMP HEADLIGHT
1. Duringmeasurement,ifambientlightistoodarktoreadthe
display, press and hold “BL/HOLD” key to activate backlight.
Backlightwillautomaticallyturnoffafter30seconds.
2. Duringthisperiod,pressing“BL/HOLD”keymorethantwo
seconds willturn OFFbacklight.
3. Inthecurrentmode,meterwillturnbacklightandclamphead
lighton.BacklightusesanLEDwithhighcurrentdraw.Backlight
willturnoffafter30seconds.Usingbacklightoftenwillshorten
battery life.
Note:Whenbatteryvoltage d 7.2V,theLCDdisplays“ ”under-
voltagesymbol.Ifusingbacklightandbatteryvoltagedropsbelow
7.2Vduetohighworkingcurrent,the symbol may appear and
measurementaccuracyisnotguaranteed.Continuetousemeter
normallywithoutusingthebacklight.Donotreplacebatteryuntil
symbol shows undernormalconditions.
4.8 AUTOMATIC POWER-OFF
1. Afterpoweringon,andifmeterisn’tusedfor15minutes,meter
will enter suspended state, automatically powering off to save the
battery.Within1minutebeforeshutdown,buzzerwillsoundfive
times. Meter will then enter adormant state.
2. Afterautomaticpower-off,press FUNC key,toturnmeteron
again.
3. Holding FUNC key when powering on cancels automatic power-
off function.
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4.OPERATINGGUIDANCE
4.9 MEASUREMENT PREPARATION
1. Rotate the Selector Switch to turn on power.When battery voltage
is low (about d 7.2 V), LCD displays symbol. Replace
battery.
2. meansthatvoltageorcurrentshouldnotbemorethanthe
specifiedvaluetoprotectinternallinefromdamage.
3. SetSelectorSwitchtorequiredmeasuringfunctionandrange.
4. Whenconnectingline,firstconnectcommontestline,then
charged test line. When removing the line, remove charged test
line first.
4.10 CURRENT MEASUREMENT
WARNING
ELECTRICSHOCKHAZARD.REMOVEPROBEFROMMETERBEFORE
MEASURING WITH CURRENTCLAMP.
1. Set SelectorSwitch to position A. A t this time, meter is in AC current
measurementstate.Chooseappropriatemeasuringrange.
2. IfyouwanttomeasureDCcurrent,press FUNC keytoenterdirect
current measurementstate.
3. Holdtrigger,openclamphead,cliponeleadofmeasurementcircuitto
be testedintheclamp.
4. Read currentvalue on LCD display.
Note:
1. Clampingtwoormoreleadsofcircuittobetestedsimultaneouslywill
notgivecorrectmeasuringresults.
2. Togetaccuratereadings,connectlead to be testedat centerof current
clamp.
3. indicatesthatmaximuminputACcurrentis1000A
4. To improve measurement precision, in DC current measurement state,
ifLCDdisplayisnotzero,press REL toreturntozero,thenmeasure.
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