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NEW PRODUCT – PM51A – Amprobe Pocket Autoranging Digital Multimeter

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NEW PRODUCT – PM51A – Amprobe Pocket Autoranging Digital Multimeter


The ultimate shirt-pocket sized Pocket Digital Multimeter from Amprobe with frequency & capacitance measurements! This DMM is only 3/8” thick and weighs less than 3 oz. With full functionality offering AC and DC voltage to 600 V, resistance to 40 Megohm, capacitance to 3000 μF, frequency to 1 MHz, continuity w/beeper, and diode test. So handy, it’s Ladyada’s daily multimeter

Fully autoranging, this meter offers seven different measurement functions with 27 full ranges of measurement. The digital display is oversized with large digits and annunciators. In spite of its size, this meter is fully safety rated to CAT III 300 V, CAT II 600 V and is UL approved. No other meter offers this small size with such performance and high safety ratings.

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Gigantic table of specifications:

  • DC Voltage
    • 400mV, ~1% accuracy
    • 4V, 40V, 400V, ~2% accuracy
    • 600V, ~2.5% accuracy
    • NMRR: >50dB @ 50Hz/60Hz
    • CMRR: >120dB @ dc, 50Hz/60Hz, Rs=1 kW
    • Input impedance: 10 MΩ, 30pF nominal; (1000 MW for 400mV range)
  • AC Voltage
    • 50Hz – 60Hz
      • 4V, 40V, 400V, ~2% accuracy
    • 60Hz – 500Hz
      • 4V, 40V, 400V, ~3% accuracy
    • 50Hz – 500Hz
      • 600V, ~3.5% accuracy
    • Input impedance: 10 MΩ, 30pF nominal
    • CMRR: >60dB @ dc to 60Hz, Rs=1 kΩ
  • Capacitance
    • ​500nF, 5uF, 50uF, 500uF, 3000uF, ~3.5% accuracy
  • Resistance
    • ​400Ω, ~1.5% accuracy
    • 4KΩ, 40KΩ, 400KΩ, ~1% accuracy
    • 4MΩ, ~1.5% accuracy
    • 40MΩ, ~2.5% accuracy
    • Open circuit voltage: 0.4V DC typical
  • Frequency
    • 400Hz, 4kHz, 40kHz, 400kHz, 1MHz, ~0.5% accuracy
  • Sensitivity (V-Peak)
    • 5Hz – 100kHz, >1.3Vp
    • 100kHz – 500kHz, >2.2Vp
    • 500kHz – 1MHz, >4.2Vp
  • Diode Tester
    • Test current (typical): 0.25mA
    • Open circuit voltage: 1.6V dc
  • Audible Continuity Tester
    • Open circuit voltage: 0.4V dc typical
    • Audible threshold: 65Ω ±55Ω

Battery is included!

In stock and shipping now!


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