
PM51A Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $56.83 | Top Pick! Condition is New, Amprobe PM51A Pocket Multimeter DMM,AC/DC,600V,Resistance,Frequency,Capacitance, FREE SHIPPING | 99.2% |
![]() | $57.06 | Top Pick! Condition is New, Amprobe PM51A Pocket Multimeter DMM,AC/DC,600V,Resistance,Frequency,Capacitance, FREE SHIPPING | 98.5% |
![]() | $78.22 | Condition is New, Amprobe PM51A Pocket Multimeter DMM,AC/DC,600V,Resistance,Frequency,Capacitance, FREE SHIPPING | 95.6% |
![]() | $110.00 | Condition is New, 2pcs Amprobe PM51A Pocket Multimeter DMM,AC/DC,600V, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $39.00 | Condition is Used, Amprobe Digital Pocket Multimeter PM51A : CAT II 600V/CAT III 300V, 600 VAC, shipping cost = $7.99 | 99.8% |

The Amprobe PM51A Digital Pocket Multimeter is a versatile and compact electrical testing tool designed to cater to various electrical measurement applications. This multimeter falls under the Cat-600V/Cat-300V safety rating, which makes it suitable for working with both low-voltage AC (alternating current) and DC (direct current) circuits, as well as high-voltage AC circuits up to 600 volts.
The PM51A features a large, backlit, easy-to-read LCD screen that displays the measurement values in both digital and bar graph formats, ensuring accurate and clear readings. It comes with a wide range of functions, including AC and DC voltage, resistance, continuity, diode test, and capacitance measurement, among others. This multimeter also offers the convenient Auto-Ranging and Min/Max functions, which automatically select the appropriate range for your measurement and record the minimum or maximum value, respectively, for further analysis.
One of the standout features of this pocket multimeter is its size and portability. Weighing only 8.5 ounces and measuring just 4.5 inches long x 2.2 inches wide x 1.1 inches high, the PM51A can easily fit into your pocket or toolbox, making it an ideal companion for electrical work on the go.
The PM51A comes with a comprehensive set of test leads and accessories, including a protective pouch, a test lead set, a probe tip protector, and a battery. The test leads are color-coded for easy identification of the different electrical parameters, and the probe tip protector ensures the longevity of the probe tips by shielding them from potential damage.
The multimeter is powered by a 9V alkaline battery, which provides an ample working time of up to 300 hours. The battery compartment is conveniently located at the back of the multimeter, and the battery level indicator on the LCD screen lets you know when it's time for a replacement. The PM51A also features a low battery warning, which alerts you when the battery is running low to prevent interruptions during your electrical testing.
In summary, the Amprobe PM51A Digital Pocket Multimeter is a reliable, versatile, and portable electrical testing tool that caters to various measurement applications. Its compact size, extensive functionality, and comprehensive accessory kit make it an indispensable tool for electricians, technicians, and DIY enthusiasts.
The Amprobe PM51A Digital Pocket Multimeter is a versatile and compact electrical testing device suitable for various voltage and current measurements. Here are some pros and cons to help you make an informed decision about purchasing this multimeter:
Pros:1. Compact and Portable: With its small size and lightweight design, the PM51A is an ideal choice for electricians and hobbyists who need to perform electrical tests on-the-go.
2. Wide Measuring Range: This multimeter supports a broad range of voltage (DC 200mV to 600V AC/DC), current (DC 20mA, AC 10A), and resistance (0.1 ohms to 999.9 ohms) measurements.
3. Safety Features: The PM51A comes with various safety features such as overload protection, overvoltage protection, and an auto-shutoff function to prevent damage to the device and ensure user safety.
4. Backlit LCD Display: The large, backlit LCD display enables easy reading of measurement values, even in dimly lit environments.
5. Auto-Ranging: The multimeter automatically selects the appropriate range for the given measurement, eliminating the need for manual range selection and reducing the risk of errors.
Cons:1. Limited Functionality: Although the PM51A offers a wide range of measurements, it lacks some advanced features like capacitance, infrared temperature, or frequency measurements that more expensive multimeters may have.
2. Limited Input Jacks: This multimeter has only two input jacks, which might not be sufficient for advanced testing requiring multiple probes simultaneously.
3. No Data Hold Function: The PM51A does not have a data hold function, which might be a disadvantage for users who need to record measurement values for further analysis or comparison.
In conclusion, the Amprobe PM51A Digital Pocket Multimeter is a reliable and versatile electrical testing device suitable for various applications where portability is a priority. Its wide measuring range, compact design, and safety features make it an ideal choice for electricians, hobbyists, and DIY enthusiasts. However, it lacks some advanced features like data hold and capacitance measurements, as well as limited input jacks. Considering its pros and cons, if you're looking for a compact and affordable multimeter for basic electrical testing, the PM51A is an excellent choice. However, if you require more advanced functionality, you might want to consider a more feature-rich multimeter.
Details:
Data hold freezes measurement value. No other meter offers this small size with such performance and high safety ratings. Fully auto ranging with 7 measurement functions and 27 ranges. Large oversize digital display with measurement results and the unit icon.
Includes meter and original retail packaging with all inserts. Power consumption typical 2 ma. Dropped or otherwise abused your hymnbook. Measures ac and dc voltage , resistance, continuity with beeper, capacitance frequency.
The digital display is oversized with large digits and enunciates. Automatic power off idle for 30 minutes. Amprobe PM51A pocket digital multimeter. Item is in great shape and warranted non-DOA.
Average sensing.
specifications testmultimeters:
- brand: Amprobe
- mpn: Pm51a
- part type: Pocket Multimeter
- measurement category: Cat Iii
- form factor: Pocket
- test/measurement functions: Ac Voltage, Dc Voltage
- frequency: Hz
- country of origin: China
- display: Digital
payments testmultimeters:
- other
- wallet: google-pay
- credit card: visa
offer testmultimeters:
- started: february 23, 2026
- in stock #: 5
- prices: $39.00–$110.00
- item condition:
- New
- Used
- availability: in stock
- options: ship-to-home
- sold #: 7
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
returns testmultimeters:
- policy: no returns
seller testmultimeters:
- city: berkeley, california
- rating: 100.0%
- # reviews: 9651
shipping testmultimeters:
- class: standard
- transit: 3-8 days
- type: fixed
- service: standard
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