$227.20

Usually ships in 1-2 weeks [?]

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Features

  • True RMS (TRMS)
  • Voltage up to 1000 V 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 aginast improper plug-in
  • DC loop current 4-20 mA
  • dBm reading with 20 selectable impedance values
  • Backlight display
  • High speed analog bar graph
  • Diode test
  • Audible continuity
  • CAT IV 600V, CAT III 1000V rating

The Amprobe AM-140-A precision TRMS digital multimeter with PC connection is a feature-rich commercial grade meter at a great price. The AM-140-A measures voltage up to 1000 V AC/DC, resistance, AC/DC current, frequency, capacitance and duty cycle. The meter features an optical-isolated, PC interface capability, crest (peak hold), MAX, MIN MAX-MIN recording, auto and manual ranging, auto-power off, data hold, relative zero mode and more.

The display is an easy-to-read large, backlight LCD with 4-4/5 digits 50,000 count with a selectable stable mode 5-4/5 digits 500,000 counts for DC voltage, and 6 digits 999,999 counts for HZ. In 4-4/5 digits fast mode the screen update rate is 5 per second nominal and in 4-4/5 digits stable mode the screen update rate is 1.25 per second nominal. The Amprobe AM-140-A has a CAT IV 600V, CAT III 1000V safety rating.

The Amprobe AM-140-A precision TRMS digital multimeter ships complete with:

  • Test leads
  • Manual
Amprobe AM-140-A Digital Multimeter Specifications
Range Accuracy
AC Voltage 500.00 mV
5.0000/50.000/500.00/1000.0 V
±(0.08% rdg + 60 LSD) @ 45 to 300 Hz
DC Voltage 500.00 mV
5.0000/50.000/500.00/1000.0 V
±(0.03% rdg + 2 LSD) @ 0 to 50 V
Resistance 500.00 mV
5.0000/50.000/500.00 kOhms
5.0000/50.00 0MOhms
±(0.10% rdg + 6 LSD) @ 500 Ohms to 500 kOhms ranges
AC Current 500.00/5000.0 uA
50.000/500.00 mA
5.0000/10.000 A
±(1.0% rdg + 40 LSD) @ 50 and 60 Hz
DC Current 500.00/5000.0 uA
50.000/500.00 mA
5.0000/10.000 A
±(0.5% rdg + 20 LSD)
Frequency 5.0000 Hz to 200.000 kHz ±(0.002% rdg + 4 LSD)
Capacitance 50.00/500.0 nF
5.000/50.00/500.0/9999 uF
±(2.0% rdg + 3 LSD) @ 50 nF to 50 uF ranges)
Duty Cycle 0.1% to 99.99% ±(3 LSD/kHz + 3 LSD)
General 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
Operating Temperature 0 to 45°C (-4 to 140°F)
Relative Humidity Maximum relative humidity 80% for temperature up to 31°C decreasing linearly to 50% relative humidity at 45°C

Test Leads

Amprobe MTL-90B Test Leads with Alligator Clips
High quality test leads with alligator clips
$20.15
Amprobe MTL-45 Test Leads
Set of test leads for AMB-45 Insulation Resistance Tester
$25.20

Cases

Carrying cases, spare cases

Accessories

Please consider these optional accessories.

Amprobe CT237B Current Transformer
Current transformer probe that measures AC or DC current to 20 A
$296.20