Amprobe PM51A Pocket Multimeter

	*Model PM51A*
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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

PM51A Pocket 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, 3000μF^1,3
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