The Amprobe PM51A Digital Multimeter measures AC and DC voltage, resistance, continuity with beeper, capacitance and frequency.
Features & Applications:
The Amprobe PM51A is the world's smallest full-featured CAT III rated multimeter. The PM series of multimeters have many features in a very compact size. Has an oversize display plus one button function control.
The PM51A is an easy to use pocket meter that delivers all basic multimeter functions plus frequency and capacitance measurement capability. Completely autoranging with innovative control layout. Measures AC and DC voltage to 600 V, resistance to 40 MΩ, capacitance to 300 µF, and frequency to 1 MHz. Safety rated to CAT III 300V, CAT II 600V, cULus listed.
Features:
- Fully autoranging with 7 measurement functions and 27 ranges
- Complete safety ratings of CAT III 300 V, CAT II 600 V and cULus listing
- Oversize digital display with measurement results and the unit icon
- Data Hold freezes measurement value on the display
- One-year No Hassle warranty
Spec Summary:
| Specifications |
DC Voltage: |
| Range |
400.0 mV |
| Accuracy |
± (1.0 %+2 dgt) |
| Range |
4.000 V, 40.00 V, 400.0 V |
| Accuracy |
± (2.0 %+2 dgt) |
| Range |
600 V |
| Accuracy |
± (2.5 %+4 dgt) |
| NMRR |
> 50 dB @ 50 Hz/60 Hz |
| CMRR |
> 120 dB @ dc, 50 Hz/60 Hz; Rs=1 kΩ |
| Input impedance |
10 MΩ, 30 pF nominal; (1000 MΩ for 400.0 mV range) |
|
AC Voltage: |
| Range |
50 Hz - 60 Hz 4.000 V, 40.00 V, 400.0 V |
| Accuracy |
± (2.0 %+5 dgt) |
| Range |
60 Hz - 500 Hz 4.000 V, 40.00 V, 400.0 V |
| Accuracy |
± (3.0 %+5 dgt) |
| Range |
50 Hz - 500 Hz 600 V |
| Accuracy |
± (3.5 %+5 dgt) |
| Input impedance |
10 MΩ, 30 pF nominal |
| CMRR |
> 60 dB @ dc to 60 Hz, Rs=1 kΩ |
|
Capacitance: |
| Range1 |
500.0 nF, 5.000 µF, 50.00 µF, 500.0 µF, 3000 µF3 |
| Accuracy2 |
± (3.5 %+6 dgt4) |
|
Resistance: |
| Range |
400.0 Ω |
| Accuracy |
± (1.5 %+6 dgt) |
| Range |
4.000 kΩ, 40.00 kΩ, 400.0 kΩ |
| Accuracy |
± (1.0 %+4 dgt) |
| Range |
4.000 MΩ |
| Accuracy |
± (1.5 %+4 dgt) |
| Range |
40.00 MΩ |
| Accuracy |
± (2.5 %+4 dgt) |
| Open circuit voltage |
0.4 V DC typical |
|
Frequency: |
| Range5 |
400 Hz, 4 kHz, 40 kHz, 400 kHz, 1 MHz |
| Accuracy |
± (0.5 %+4 dgt) |
|
Sensitivity (V-peak) |
|
5 Hz - 100 kHz > 1.3 Vp 100 kHz - 500 kHz > 2.2 Vp 500 kHz - 1 MHz > 4.2 Vp |
|
Diode Tester: |
| Test current (typical) |
0.25 mA |
| Open circuit voltage |
1.6 V dc |
|
Audible Continuity Tester: |
| Open circuit voltage |
0.4 V dc typical |
| Audible threshold |
65 Ω ±55 Ω |
|
1Additional 50.00 nF range accuracy is not specified.
2Accuracies with film capacitor or better
3Updates > 1 minute on large values
4Specified with battery voltage above 2.8 V (half full battery). Accuracy decreases gradually to 12% at low battery warning voltage of approx 2.4 V
5Specified at input voltage < 20 V ac rms input signal: Sine-wave, or square-wave with duty cycle > 40 % & < 70 %
| General Specifications |
Display and update rate: |
|
3-3/4 digits 4000 counts; Updates 3 per second nominal |
|
Operating temperature: |
|
Relative Humidity: |
|
Max. 80 % R.H. up to 31 °C, decreasing linearly to 50 % R.H. at 40 °C |
|
Altitude: |
|
Storage temperature: |
|
-20 °C ~ 60 °C, < 80 % R.H. (with battery removed) |
|
Temperature Coefficient: |
|
Nominal 0.15 x (specified accuracy)/ °C @ (0 °C ~ 18 °C or 28 °C ~ 40 °C), or otherwise specified |
|
Sensing: |
|
Overload Protection: |
|
Low Battery: |
|
Power Supply: |
|
3 V standard button battery x 1 (IEC-CR2032; ANSI-NEDA-5004LC) |
|
Power consumption (typical): |
|
Automatic Power Off (APO) timing: |
|
APO Consumption (typical): |
|
Dimensions: |
|
4.4" x 2.1" x 0.4" (L 113 mm x W 53 mm x H 10.2 mm) |
|
Weight: |
|
Special features: |
|
Data Hold, and 30 ms MAX Hold |
|
Agency Approvals: |
|
Safety: |
|
Meets IEC61010-1, UL61010B-1, CAN/CSA-C22.2 No. 1010.1-92, CAT II 600 V and CAT III 300 V, Pollution Degree 2, Class 2 E.M.C. Meets EN61326 |
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