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Amprobe Test Instruments Logo Digital Multimeters
Model PM51A Pocket Multimeter
 

This shirt-pocket sized meter is only 3/8" thick and weighs less than 3 oz. With full functionality offering AC and DC Voltage to 600V, Resistance to 40 Megohm, Capacitance to 3000 μF, Frequency to 1 MHz, Continuity w/beeper, and diode test.

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 listed. No other meter offers this small size with such performance and high safety ratings
 

Amprobe Model PM51A Pocket Size Digital Multimeter Pocket size multimeter with Frequency and Capacitance

Features

  • Measures ac and dc voltage, resistance, continuity w/ beeper, capacitance and frequency.
  • Fully autoranging with 7 measurement functions and 27 ranges.
  • Large oversize digital display with measurement results and the unit icon.
  • Data Hold freezes measurement value.
  • Average sensing.
  • Power consumption (typical) 2 mA.
  • Automatic Power Off , timing Idle for 30 minutes.
  • APO consumption (typical) 2.2 μA.
  • E.M.C. Meets EN61326.
  • Battery installed, and User’s manual.
  • Audible Continuity Tester Open circuit voltage 0.4 V dc typical.
  • Diode Tester Test current (typical) 0.25 mA.
  • Diode Tester Open circuit voltage 1.6 V dc.
  • One-year warranty.

Safety Conformity

 Specifications

DC Voltage Ranges

400mV, 4.000V, 40.00V, 400V, 600V

DC Voltage Accuracy

±(1.0% of Rdg + 2 digits)  for 400mV range

 

±(2.0% of Rdg + 2 digits)  for 4V to 400V ranges

 

±(2.5% of Rdg + 4 digits)  for 600V range

NMRR

>50dB @ 50/60Hz

CMRR

>120dB @ DC, 50/60Hz; Rs=1kΩ

Input Impedance

10MΩ, 30pF nominal; (1000MW for 400.0mV range)

   

AC Voltage Ranges

4.000V, 40.00V, 400V, 600V

AC Voltage Accuracy (50/60Hz)

±(2.0% of Rdg + 5 digits)  for 4V to 400V ranges

AC Voltage Accuracy (50/500Hz)

±(3.0% of Rdg + 5 digits)  for 4V to 400V ranges

AC Voltage Accuracy (50/500Hz)

±(3.5% of Rdg + 5 digits)  for 600V range

CMRR

>60dB @ DC to 60Hz, Rs=1kΩ

Input Impedance

10MΩ, 30pF nominal

   

Capacitance Ranges

500nF, 5.000μF, 50.00μF, 500.0μF, 3000μF

Capacitance Accuracy

±(3.5% of Rdg + 6 digits4) for 500.0μF, 3000μF1,3


Note 1. Additional 50.00nF range accuracy not specified.
Note 2. Accuracies with film capacitor or better.
Note 3. Updates >1 minute on large values.
Note 4. Specified with battery voltage above 2.8V (half full battery). Accuracy decreases gradually to 12% at low battery warning voltage of approx. 2.4V.

   

Resistance Ranges

400.0Ω, 4.000kΩ, 40.00kΩ, 400.0kΩ, 4.000MΩ, 40.00MΩ

Accuracy

±(1.5% of Rdg + 6 digits) for 400.0Ω range

 

±(1.0% of Rdg + 4 digits) for 4.000kΩ, 40.00kΩ, 400.0kΩ ranges

 

±(1.5% of Rdg + 4 digits) for 4.000MΩ

 

±(2.5% of Rdg + 4 digits) for 40.00MΩ

Open Circuit Voltage

0.4V DC typical

   

Frequency Ranges

400Hz, 4kHz, 40kHz, 400kHz, 1MHz

Frequency Accuracy

±(0.5% of Rdg + 4 digits) for 400Hz, 4kHz, 40kHz, 400kHz, 1MHz1

Sensitivity (V-peak)  (5Hz to 100kHz)

>1.3Vp

(100kHz to 500kHz)

>2.2Vp

(500kHz to 1MHz)

>4.2Vp


Note 1. Specified at input voltage  <20V AC rms input signal: Sine-wave, or square-wave with duty cycle >40% and <70% Sensitivity (V-peak)

   

Diode Test Current

0.25mA typical

Open Circuit Voltage

1.6V DC

   

Continuity Tester Open Circuit Voltage

0.4V DC typical

Audible Threshold

65Ω ±55Ω

   
 General Specifications

Display and Update Rate

3-3/4 digits 4000-counts; Updates 3 per second nominal

Sensing

Average sensing

Operating Temperature

0°C to 40°C

Storage Temperature

-20°C to 60°C, <80% R.H. (with battery removed)

Overload Protection

600V DC and 600V AC rms

Low Battery

Below 2.4V

Power Supply

One 3V button battery (IEC-CR2032; ANSI-NEDA-5004LC)

Power Consumption

2mA typical

Dimensions

113mm (L) x 53mm (W) x 10.2mm (D)
4.4" (L) x 2.1" (W) x 0.4" (D)

Weight

78g (3oz)

   

Included Accessories

Test leads and  Battery (installed),  user manual

 

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Obiat Pty. Ltd.
A.C.N. 003 166 952      A.B.N. 23 003 166 952
Unit 9A/8 Avenue of the Americas, Newington NSW 2127 Australia
P.O. Box 6901 Silverwater  NSW Australia 1811

Phone: 61-2-9748- 8699

Fax: 61-2-9748-8544

E-mail:
 

 information@obiat.com.au
sales@obiat.com.au

Copyright ©                                             Last Update: Saturday, 04 June 2011