Amprobe AM535 User manual

AM-535-EUR
Digital Multimeter
User Manual
6/2015, 6005740 A
©2015 Amprobe Test Tools.
All rights reserved. Printed in China
English

Limited Warranty and Limitation of Liability
Your Amprobe product will be free from defects in material and workmanship for one
year from the date of purchase unless local laws require otherwise. This warranty does
not cover fuses, disposable batteries or damage from accident, neglect, misuse, alteration,
contamination, or abnormal conditions of operation or handling. Resellers are not authorized
to extend any other warranty on the behalf of Amprobe. To obtain service during the
warranty period, return the product with proof of purchase to an authorized Amprobe
Service Center or to an Amprobe dealer or distributor. See Repair Section for details. THIS
WARRANTY IS YOUR ONLY REMEDY. ALL OTHER WARRANTIES - WHETHER EXPRESS, IMPLIED
OR STATUTORY - INCLUDING IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE
OR MERCHANTABILITY, ARE HEREBY DISCLAIMED. MANUFACTURER SHALL NOT BE LIABLE
FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES,
ARISING FROM ANY CAUSE OR THEORY. Since some states or countries do not allow the
exclusion or limitation of an implied warranty or of incidental or consequential damages, this
limitation of liability may not apply to you.
Repair
All Amprobe returned for warranty or non-warranty repair or for calibration should be
accompanied by the following: your name, company’s name, address, telephone number,
and proof of purchase. Additionally, please include a brief description of the problem or
the service requested and include the test leads with the meter. Non-warranty repair or
replacement charges should be remitted in the form of a check, a money order, credit card
with expiration date, or a purchase order made payable to Amprobe.
In-warranty Repairs and Replacement – All Countries
Please read the warranty statement and check your battery before requesting repair. During
the warranty period, any defective test tool can be returned to your Amprobe distributor
for an exchange for the same or like product. Please check the “Where to Buy” section on
Canada, in-warranty repair and replacement units can also be sent to an Amprobe Service
Center (see address below).
Non-warranty Repairs and Replacement – United States and Canada
Non-warranty repairs in the United States and Canada should be sent to an Amprobe Service
Center. Call Amprobe or inquire at your point of purchase for current repair and replacement
rates.
USA: Canada:
Amprobe Amprobe
Everett, WA 98203 Mississauga, ON L4Z 1X9
Tel: 877-AMPROBE (267-7623) Tel: [phone]
Non-warranty Repairs and Replacement – Europe
European non-warranty units can be replaced by your Amprobe distributor for a nominal
distributors near you.

AM-535-EUR Digital Multimeter
1Flash light
2LC Display
3Function Buttons
4Flash light Button
5Rotary Switch
6SELECT Button
7Input Terminal for voltage, diode, capacitance,
Resistance, continuity and temperature measurement
8COM (return) terminal for all measurements
9Input Terminal for AC/DC mA/uA measurement
10 Input Terminal for AC/DC A measurement up to 20A
1
2
7
8
3
4
5
9
10
6

Screen Display
1The Meter selects the range with best resolution
2Direct Current
3Negative reading
4Alternate Current
5Low battery indicator
6Data hold
7Diode test
8Continuity test
9Relative zero mode
10 Non-Contact Voltage
11 Measurement units for Resistance
12 Measurement units for Frequency
13 Measurement units for Voltage
14 Measurement units for Current
15 Measurement units for Capacitance
16 Auto Power Off
17 Maximum / minimum reading memory
18 Measurement unit for Temperature
19 Analog bar graph display
1
2
9
6 8 7
3
4
5
10 13 14 1517
18
12
11
19
16

1
AM-535-EUR Digital Multimeter
CONTENTS
SYMBOL.................................................................................................................2
SAFETY INFORMATION .........................................................................................2
UNPACKING AND INSPECTION .............................................................................3
FEATURES...............................................................................................................4
MAKING MEASUREMENT .....................................................................................5
Measuring AC and DC Voltage.........................................................................6
Measuring AC and DC Current.........................................................................7
Measuring Resistance .......................................................................................8
Measuring Continuity.......................................................................................9
Measuring Diode...............................................................................................9
Measuring Capacitance ....................................................................................10
Measuring Frequency .......................................................................................10
Measuring Temperature °C /°F .........................................................................11
Non-Contact Voltage Sensing ..........................................................................12
SPECIFICATION.......................................................................................................13
MAINTENANCE......................................................................................................16
BATTERY AND FUSE REPLACEMENT.....................................................................17

2
SYMBOLS
Caution ! Risk of electric shock.
Caution! Refer to the explanation in this Manual
Alternating Current (AC)
Direct Current (DC)
The equipment is protected by double insulation or reinforced
insulation
Earth (Ground)
Audible tone
Battery
Complies with European Directives
Conforms to relevant Australian standards
Canadian Standards Association (NRTL/C)
Do not dispose of this product as unsorted municipal waste.
Contact a qualified recycler.

SAFETY INFORMATION
The Meter complies with:
IEC/EN 61010-1 3rd Edition, UL61010-1 2nd Ed. and CAN/CSA C22.2 No.
61010.1-0.92 to Category III 600 Volts, Pollution degree 2
IEC/EN 61010-2-030
IEC/EN 61010-031 for test leads
EMC IEC/EN 61326-1
Measurement Category III (CAT III) is for measurements performed in the
building installation. Examples are measurements on distribution boards,
circuit- breakers, wiring, including cables, bus-bars, junction boxes, switches,
socket-outlets in the fixed installation, and equipment for industrial use
and some other equipment, for example, stationary motors with permanent
connection to the fixed installation.

3
Measurement Category II (CAT II) is for measurements performed on circuit
directly connected to low voltage installation. Examples are measurements on
household appliances, portable tools and similar equipments.
 Warning: Read Before Using
• To avoid possible electrical shock or personal injury, follow these
instructions and use the Meter only as specified in this manual.
• Do not use the Meter or test leads if they appear damaged, or if the
Meter is not operating properly. If in doubt, have the Meter serviced.
• Always use the proper function and range for measurements.
• Before rotating the function range selection switch, disconnect test
probe from circuit under test.
• Verify the Meter’s operation by measuring on a known voltage source.
• Do not apply more than the rated voltage, as marked on the Meter,
between the test probe or between any test probe and earth ground.
• Use the Meter with caution for voltages above 30 Vac rms, 42 Vac peak,
or 60 Vdc. These voltages pose electrical shock hazards.
• Disconnect circuit power and discharge all high-voltage capacitors before
testing resistance.
• Do not use the Meter around explosive gas or vapor.
• When using the test leads, keep your fingers behind the finger guards.
• Remove test leads from the Meter before opening the Meter case or
battery door.
UNPACKING AND INSPECTION
Your shipping carton should include:
1 AM-535-EUR
1 Pair of test leads
1 Temperature probe
1 Velcro strap
1 9V (6F22) battery (installed)
1 User manual
1 Carrying case
If any of the items are damaged or missing, return the complete package to
the place of purchase for an exchange.

4
FEATURES
AM-535-EUR is the fully-featured multimeter of choice for the professional
electrical contractor. Measure and verify presence of voltage in order to
connect equipment or to perform repairs, run new wiring, check continuity
of electrical connections, identify blown fuses, troubleshoot motors or check
transformers. The AM-535-EUR features Truerms sensing to accurately measure
voltage on systems affected by harmonics, a built in flashlight to detect wire
colors in the dark, a “third hand” probe holder and non-contact voltage
detection. Safety rated to CAT III 600V.
• Measurements: Voltage up to 600VAC and 600VDC, AC/DC current,
Resistance, Frequency, Capacitance, Temperature.
• Frequency, Capacitance, Duty Cycle for troubleshooting applications
• Special Functions:
- Non-contact Voltage Detection
- Audible continuity
- Diode Test
• Backlight LC Display with analog bar graph
• Events:
- Data hold
- MAX / MIN Memory
- Relative zero mode
• Built in work light (flashlight)
• Built in test leads storage and “third hand holder”
• Auto and Manual ranging
• Auto power off
• Low battery warning
• Velcro strap to hang a meter
• Safety: CAT III 600V
MAKING MEASUREMENT

1. Use the proper function and range for measurements.
2. To avoid possible electrical shock, personal injury or damages to the
Meter, disconnect circuit power and discharge all high-voltage capacitors
before testing resistance and diode.

5
3. Connecting test leads:
• Connect the common (COM) test lead to the circuit before connecting
the live lead
• After measurement, remove live lead before removing the common
(COM) test lead from the circuit
4. Symbol “OL” is displayed on LCD when the measurement is out of range.
Rotary Switch Positions
Switch Position Measurement Function
V AC or DC voltage measurement (use SELECT button for
switching to AC or DC).
Resistance measurement
Voltage measurement of diode PN junction
Continuity measurement
Capacitance measurement
Hz Frequency measurement
°C °F Temperature measurement
NCV Non-contact voltage
μA mA A AC or DC current measurement (use SELECT button for
switching to AC or DC).
Function Buttons
Button Measurement Function
SELECT Switching AC or DC. Press the yellow SELECT button to select
alternate measurement functions on the rotary switch.
HOLD / Display freezes present reading / press 2 sec to turn on
LCD backlight.
REL Relative zero mode
RANGE
Manual or Auto range switching. The default setting
is Auto ranging, press to switch to manual ranging
(selectable resolutions). Press for 2 sec to return to auto
ranging.
MAX/MIN Maximum / minimum reading memory.
Flash light
Press to enable the function when at relevant rotary switch function.

6
Auto Power OFF
Auto power off: approx. 15 minutes.
When the Meter is in auto power off mode, press any button to resume
normal operation.
Measuring AC and DC Voltage
Press SELECT button to select AC/DC voltage measurement function.
To avoid personal injury or damage to the Meter, do not apply
voltage higher than 600Vac and 600Vdc.
Measuring AC and DC Current
Press SELECT button to select AC or DC current measurement function.
To avoid personal injury or damage to the meter:
1. Do not attempt to make an in-circuit current measurement when the
open-circuit potential to earth ground exceeding AC 600V or DC 600V
2. Switch to proper function and range for your measurement.
3. Do not place the test probe in parallel with a circuit when the test leads
are connected to the current terminals.
4. Connect the test leads to the correct input A/mA μA current terminal and
to the circuit before powering the circuit under test.
5. For current range from 8-10A, do not measure current for more than 20
minutes. Wait for 10 minutes before taking another measurement

7
6. For current range from >10-20A, do not measure current for more
than 30 seconds maximum. Wait for 10 minutes before taking another
measurement
7. After measurement, switching OFF the circuit’s power before removing
test leads from the circuit.
RL
RL

8
Measuring Resistance
Disconnect circuit power and discharge all high-voltage capacitors
before testing resistance.
Note: On a higher resistance measurement (>1M), the measurement may
take a few seconds to get stable reading.
Over range or open circuit indication: OL

9
Measuring Continuity
Disconnect circuit power and discharge all high-voltage capacitors
before testing continuity.
Measuring Diode
Disconnect circuit power and discharge all high-voltage capacitors
before testing diode.

10
Measuring Capacitance
Disconnect circuit power and discharge all high-voltage capacitors
before testing capacitance.
Measuring Frequency
To avoid personal injury or damage to the Meter, do not apply
voltage higher than 600V.

11
Measuring Temperature °C / °F

1. To avoid personal injury or damage to the meter, do not apply
thetemperature probe to any live conductive parts.
2. Temperature sensor K type (nickel-chromium/nichrosi) thermocouple is
suitable for temperature measurement below 230°C (446°F).
Measurement steps:
Step 1: Turn the rotary switch to °C or °F position. The display will show “OL”.
Step 2: Connect the temperature probe (K type) to the meter and to the
surface to be measured.

12
Non-Contact Voltage Sensing
1. To avoid personal injury or damage to the meter, do not test on un-
insulated wires.
2. Buzzer will sound and screen will display “OL” when detecting ac Voltage
above 90V ac.
3. Do not test on hazardous live wires higher than AC 600V
4. Before and after hazardous voltage measurements, test the Meter by
approaching to a known source such as a line AC voltage or outlet to
determine proper operation. See below figure.
5. At NCV mode, no test lead connections are required for NCV
measurement.
Measuring distance
8mm
Buzzer will sound when the detected voltage is ≥90V, and the buzzer will be
on.The distances between the wire and the meter should be ≤8mm.
The voltage indication in NCV mode is not sufficient to assure safety.
This function is not suitable to test absence of voltage.

13
SPECIFICATION
Ambient temperature: 73.4°F ±9 (23°C ±5°C); Relative temperature: ≤75%
Accuracy: ±(% of reading + digits)
Maximum voltage between input terminal and earth ground: AC 600Vrms or
DC 600V
Fuse for mA µA input: F1 fuse, 0.5A H 1000V fast-fuse, (6.3×32)mm
Fuse for A input: F2 fuse, 11A H 1000V fast-fuse, (10×38)mm
Maximum display: Digital 3999 counts, updates 3/sec. Frequency: 9999 counts.
Analog pointer display: 41 segments, updates 30 times/sec.
Over-range indication: OL
Range: Automatic and Manual
Altitude: Operating 2000m
Operating temperature: 0°C ~ +40°C (32°F ~ 104°F)
Relative humidity: 0°C ~ +30°C (32°F ~ 86°F) ≤75%; +30°C ~ +40°C (86°F ~
104°F) ≤50%
Storage temperature: -10°C ~ +50°C (14°F ~ 122°F)
Electromagnetic compatibility: In an RF filed of 1V/m = Specified accuracy 5%
Battery: 9V, 6F22, NEDA1604 or equivalent
Low battery indication:
Dimensions (L x W x H): 182 mm x 90 mm x 45 mm (7.2 in x 3.5 in x 1.8 in)
Weight: Approx. 354g (0.78lb) with batteries installed
1. DC Voltage Measurement
Range Resolution Accuracy
400.0mV 0.1mV ± (0.8%+3LSD)
4.000V 1mV
± (0.8%+1LSD)40.00V 10mV
400.0V 100mV
600V 1V ±(1.0%+3LSD)
Input impedance: About 10M ;
(Input impedance is ≤3Gexcept DC 400mV range)
Overload protection: ±600V

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2. AC Voltage Measurement
Range Resolution Accuracy
400.0mV 0.1mV ±(1.2%+3LSD)
4.000V 1mV
±(1.0%+3LSD)40.00V 10mV
400.0V 100mV
600V 1V ±(1.2%+3LSD)
Note: Manual range only for 400.0mV range.
Input impedance: Around 10MΩ
Frequency response: 45Hz ~ 400Hz
Overload protection: 600Vrms
3. Resistance Measurement
Range Resolution Accuracy
400.0Ω0.1Ω±(1.2%+2LSD)
4.000kΩ1Ω
±(1.0%+2LSD)40.00kΩ10Ω
400.0kΩ100Ω
4.000MΩ1kΩ±(1.2%+2LSD)
40.00MΩ10kΩ±(1.5%+5LSD)
400Ωrange: Measured value = (Measured display value – Short-circuiting
value of probe)
Open circuit voltage: Around 0.5V
Overload protection: 600Vrms
4. : Circuit ON/OFF :Diode measurement
Range Resolution Accuracy
0.1Ω
Open circuit voltage is around 0.5V.
Resistance ≥150Ω, buzzer will not sound.
Resistance ≤10Ω, buzzer will sound.
1mV Display range is 0V to 2.0V. Normal voltage is around
0.5V to 0.8V for silicon PN junction.
Overload protection: 600V

15
5. Capacitance Measurement
Range Resolution Accuracy
40.00nF 10pF ±(3%+10LSD) under REL status
400.0nF 100pF ±(3%+5LSD) under REL status
4.000μF 1nF
40.00μF 10nF ±(4%+5LSD)
400.0μF 100nF ±(4%+5LSD)
4000μF 1μF For reference only
Overload protection: 600V
6. Frequency Measurement
Range Resolution Accuracy
10Hz~10MHz 0.01Hz~0. 01MHz ±(0.1%+4LSD)
Overload protection: 600Vrms
7. DC Current Measurement
Range Resolution Accuracy
μA 400.0μA 0.1μA
±(1.0%+2LSD)
4000μA 1μA
mA 40.00mA 10μA
400.0mA 0.1mA
A4.000A 1mA ±(1.2%+3LSD)
20.00A [1, 2, 3] 10mA
Function Overload Protection Overload
mA /μA F1 fuse, 0.5A H 1000V fast-fuse,
(6.3×32)mm N/A
AF2 fuse, 11A H 1000V fast-fuse,
(10×38)mm
20 A overload for 30 seconds
maximum, 10 minutes off
minimum

16
[1] 8 to 10 A up to 20 minutes, 10 minutes off minimum.
[2] >10 to 20 A overload for 30 seconds maximum, 10 minutes off minimum
[3] >10 to 20 A for 30 seconds accuracy ±(2.0%+3LSD).
8. AC Current Measurement
Range Resolution Accuracy
μA 400.0μA[4] 0.1μA
±(1.2%+3LSD)
4000μA[4] 1μA
mA 40.00mA[4] 10μA
400.0mA[4] 0.1mA
A4.000A[4] 1mA ±(1.5%+3LSD)
20.00A [1, 2, 3, 4] 10mA
Function Overload Protection Overload
mA /μA F1 fuse, 0.5A H 1000V fast-fuse,
(6.3×32)mm N/A
AF2 fuse, 11A H 1000V fast-fuse,
(10×38)mm
20 A overload for 30 seconds
maximum, 10 minutes off
minimum
[1] 8 to 10 A up to 20 minutes, 10 minutes off minimum.
[2] >10 to 20 A overload for 30 seconds maximum, 10 minutes off minimum
[3] > 10 to 20 A for 30 seconds accuracy ±(4%+5LSD).
[4] Frequency response: 45Hz ~ 400Hz
9. Temperature Measurement
Range Resolution Accuracy
-40 – 0°C
0.1°C @ < 400°C
1°C @ ≥400°C
±(10%+4 LSD)
>0 – 100°C ±(1.2%+3 LSD)
>100 – 1000°C ±(2.5%+2 LSD)
-40 – 32°F
0.1°F @ < 752°F
1°F @ ≥752°F
±(20%+6 LSD)
>32 – 212°F ±(1.8%+6 LSD)
>212 – 1832°F ±(2.5%+4 LSD)
Overload protection: 600V
K type (nickel-chromium/nichrosi) thermocouple must be used for temperature
measurement.