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Amprobe AM-140-A True-rms Precision Digital Multimeter with PC Connection

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Amprobe AC-140-A True-rms Precision Digital Multimeter with PC Connection
Amprobe AC-140-A True-rms Precision Digital Multimeter with PC Connection

These True-rms commercial grade digital multimeters offer more features, better accuracy at a great price. True-rms, accuracy to 0.02%, frequency, capacitance, duty cycle, analog bar graph, PC interface and large backlit displays are just a handful of features that are available on the AM-140-A.


Amprobe AM-140-A True-rms Precision Digital Multimeter with PC Connection is rated 5.0 out of 5 by 2.
Rated 5 out of 5 by from Accuracy and ease of use. I am a chief engineer in the hospitality industry and use my amp meter on a regular basis. It is simple to use and gives me accurate readings every time. I highly recomment amp meters.
Date published: 2012-03-29
Rated 5 out of 5 by from This product is a must have for your tool box! The first time I used this was at my place of employment as an auto-tech. I found the digital read-out was clearly visable, and easy to read. It was easy to operate the settings, and low maintenance.
Date published: 2012-03-29
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  • True-rms
  • Measurements: voltage up to 1000V AC/DC, resistance, AC/DC current, frequency, capacitance, duty cycle
  • Optical isolated PC interface capability
  • Crest (peak hold), max, min, max-min, recording
  • Auto and manual ranging
  • Intelligent auto power off
  • Data hold
  • Relative zero mode
  • Audible and visual warning against improper plug-in
  • DC loop current 4-20mA
  • dBm reading with 20 selectable impedance values
  • Backlight display
  • Large, easy to read large LCD display
  • High speed analog bar graph
  • Diode test
  • 4-20mA DC loop current
  • Audible continuity
FEATURE AM-140-A AM-160-A BEST ACCURACY
AC Voltage 500.00 mV , 5.0000 V, 50.000 V, 500.00 V, 1000.0 V +/- (0.08 % rdg + 60 LSD)
@ 45 Hz → 300 Hz
DC Voltage 500.00 mV, 5.0000 V, 50.000 V, 500.00 V, 1000.0 V +/- (0.03 % rdg + 2 LSD)
@ 0 V → 50 V
Resistance 500.00 O, 5.0000 kO, 50.000 kO, 500.00 kO, 5.0000 MO, 50.000 MO +/- (0.10 % rdg + 6 LSD)
AC/DC Current 500.00 µA , 5000.0 µA; 50.000 mA, 500.00 mA; 5.0000 A, 10.000 A +/- (1.0 % rdg + 40 LSD)
@ 50 Hz / 60 Hz
Frequency 5.0000 Hz → 200.000 kHz +/- (0.002 % rdg + 4 LSD)
Capacitance 50.00 nF, 500.0 nF, 5.000 µF, 50.00 µF, 500.0 µF, 9999 µF +/- (2.0 % rdg + 3 LSD)
@ 50 nF → 50 µF ranges
Temperature Dual thermocouple
-58 °F → 1832 °F
(-50 °C → 1000 °C)
+/- (0.3% rdg + 2 °F),
+/- (0.3% rdg + 1 °C)
Duty cycle 0.1 % → 99.99 % +/-(3 LSD / kHz + 3 LSD)

Specifications
Display: 4-4/5 digits 50,000 counts. Selectable stable mode 5-4/5 digits 500,000 counts for DC voltage & 6 digits 999,999 counts for HZ
Polarity: Automatic
Update rate: 4-4/5 digits fast mode: 5 per second nominal; 5-4/5 digits stable mode: 1.25 Per second nominal;
42 Segments bar graph: 60 per second max
Power supply: Single alkaline 9V battery; neda1604a, jis6am6 or Iec6lf22
Power consumption: 6mA typical
Low battery: Below approx. 7V
Apo consumption: 55 µA typical



For complete specs please download the product datasheet under the “Resources" tab.
Model NameDescriptionBuy it
AM-140-A
  • True RMS (TRMS)
  • Measurements: Voltage up to 1000V AC/DC, Resistance, AC/DC Current, Frequency, Capacitance, Duty Cycle
  • Optical isolated PC interface capability
Included Accessories:   Battery (installed), users manual, test leads

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