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Amprobe AM-520 HVAC Multimeter

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AM-520
AM-520
AM-520
AM-520
Designed primarily for HVAC professionals, the AM-520 autoranging digital multimeter offers all the most commonly used HVAC digital multimeter features such as temperature, micro amps to troubleshoot flame sensors, and capacitance to check motor startup capacitors. With its CAT III safety rating, this high voltage multimeter measures a broad range of electrical parameters. The backlit LCD display makes it easy to read, and it's easy to use with non-contact voltage detection, the “third hand probe holder, and the built-in flashlight.


AM-500 AM-510 AM-520 AM-530 AM-560 AM-570

Multimeter Type Auto-ranging Com / Res HVAC Electrical Adv. HVAC Industrial
F
U
N
C
T
I
O
N
Safety Rating Safety CAT III 600V CAT III 600V CAT III 600V CAT III 600V CAT IV 600V
CAT III 1000
CAT IV 600V
CAT III 1000
Measure voltage in noisy environments True rms



Electrical panels, AC outlets AC Voltage (V) 600 600 600 600 1000 1000
DC systems, auto/marine batteries DC Voltage (V) 600 600 600 600 1000 1000
AC Current - electrical panels, appliances AC Current (A) 10 10 10 10 10 10
DC Current-electronics, DC motors DC Current (A) 10 10 10 10 10 10
Specified resistance and continuity Resistance (MOhms) 20 40 40 40 60 60
Flame sensors Microamps
Diodes in AC to DC converters Diode Test
Fuses, lightbulbs, wire connections Continuity
Household batteries Battery test



Motor startup or run capacitors Capacitance
Frequency verification Frequency
Non-contact voltage test Non-contact voltage
Electrical load-time on vs time off Duty cycle


Temp of air vents, fuses, transformers Temperature inputs

1 1 2 2
F
E
A
T
U
R
E
S
Automatically selects measurement range Autoranging
Manually select measurement range Manual ranging
Voltage on variable frequency drives Low pass filter



Detect stray voltages Low Z




Dimly lit areas Built-in flashlight
D
I
S
P
L
A
Y
Meter resolution LCD Counts 2,000 4,000 4,000 4,000 6,000 6,000
Dimly lit areas Backlight
Monitoring fast changing signals Bar graph

Two relative measurements on one screen Dual display



E
V
E
N
T
S
Data memory Data hold
Difference between two measurements Relative reading
Max/min peak measurement Max/min hold

Specialized signal measurements Peak hold (crest)



  • Measurements: Voltage up to 600VAC and 600VDC, ac/dc Current, Resistance, Frequency, Capacitance, Temperature
  • VolTect Plus™ Non-contact voltage detection
  • Audible continuity
  • Diode test
  • Data hold
  • Max/min memory
  • Relative zero mode
  • Built-in flashlight
  • Built-in test leads storage and "third hand" holder
  • Auto and manual ranging
  • Auto power off and low battery warning
  • Backlit LCD display with analog bar graph
  • Velcro strap to hang a meter
  • Safety rated: CAT III 600V
FEATURE AM-520 Best Accuracy
AC Voltage 400 mV, 4.000 V, 40.00 V,
400.0 V, 600 V
+/- (1.0 % rdg + 3 LSD)
@ 45 Hz to 400 Hz, 4 V to 400 V ranges
DC Voltage 400 mV, 4.000 V, 40.00 V,
400.0 V, 600 V
+/- (0.8% rdg + 1 LSD)
@ 4 V to 400 V ranges
AC Current 400.0 μA, 4000 μA,
40.00 mA, 400.0 mA,
4.000 A, 10.00 A
+/- (1.2% rdg + 3 LSD)
@ 400 μA V to 400 mA ranges
DC Current 400.0 μA, 4000 μA,
40.00 mA, 400.0 mA,
4.000 A, 10.00 A
+/- (1.2% rdg + 3 LSD)
@ 400 μA to 400 mA ranges,
45 Hz to 400 Hz
Frequency 10 Hz to 10 MHz +/- (0.1% rdg + 4 LSD)
@ 400 μA to 400 mA ranges
Resistance 400.0 Ω,
4.000 kΩ, 40.00 kΩ, 400.0 kΩ,
4.000 MΩ, 40.00 MΩ
+/- (1.0% rdg + 2 LSD)
@ 4 kΩ to 400 kΩ ranges
Capacitance 40.00 nF, 400.0 nF,
4.000 μF, 40.00 μF, 400.0 μF, 4000 μF
+/- (3.0% rdg + 5 LSD)
@ 400 nF to 40 μF ranges
Temperature -40 °F to 1832 °F
-40 °C to 1000 °C
+/- (1.8% rdg + 6 °F) @ >32 °F to 212 °F
+/- (1.2% rdg + 3 °C) @ >0 °C to 100 °C
Number of temperature inputs Single Thermocouple



For more detailed specifications, please download the product datasheet under the “Resources" tab.
Model NameDescription
AM-520Included Accessories
  • 9V(6F22) x1 battery installed
  • Test leads
  • Type-K Probe x 1
  • Velcro strap
  • Carrying case
  • Users manual
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