PM51A is a shirt-pocket digital multimeter with frequency and capacitance. It measures ac and dc voltage, resistance, continuity with beeper, capacitance and frequency. It has seven measurement functions and 27 ranges with full autoranging. It is certified to CAT III 300 V, CAT II 600 V and UL and CSA. A large oversized digital display shows measurements results and the test value.
The PM51A is a shirt‑pocket digital multimeter offering AC/DC voltage, resistance, continuity, capacitance, frequency, and diode testing in a 3/8" thick, 78 g package. It features full autoranging with seven measurement functions and 27 ranges, a large oversize digital display, data‑hold, and safety ratings of CAT III 300 V and CAT II 600 V.
The manual details electrical specifications such as DC voltage up to 600 V, AC voltage up to 600 V, capacitance up to 3000 µF, and frequency up to 1 MHz. It also lists general specifications like a 3‑3/4‑digit (4000‑count) display with 3‑Hz update rate, operating temperature 0 °C‑40 °C, CR2032 button‑cell power source, dimensions 113 mm × 53 mm × 10.2 mm, and included accessories such as a protective holster and carrying case.
| Display Resolution | 3‑3/4 digits (4000 counts), 3 updates per second |
|---|---|
| Operating Temperature | 0 °C – 40 °C |
| Power Supply | 3 V CR2032 button battery |
| Dimensions | 113 mm × 53 mm × 10.2 mm |
| Weight | ≈78 g (3 oz) |
| Safety Ratings | CAT III 300 V, CAT II 600 V |
The PM51A is powered by a single 3 V CR2032 button battery.
It meets CAT III 300 V and CAT II 600 V safety ratings.
The multimeter has a 3‑3/4‑digit (4000‑count) display with three updates per second.