
MAS-344 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $39.95 | Condition is Used, Lot Of 2 RSR Digital Multimeter, MAS-344 1 Set Of Leads Only., shipping cost = $6.25 | 99.5% |
![]() | $79.95 | Condition is Used, Lot Of 6 RSR Digital Multimeter, MAS-344 (6 Meters With 4 Cords Only) -Untested, shipping cost = $10.75 | 99.5% |

The RSR-MAS-344 Digital Multimeter, manufactured by RS Pro, is a versatile and essential handheld electronic test instrument designed for measuring electric current, resistance, voltage, and various other electrical parameters with high precision and accuracy. This multimeter boasts an easy-to-use, intuitive interface, making it suitable for both beginners and experienced technicians.
The multimeter's digital display provides clear, easy-to-read measurements, with a high-resolution LCD screen that shows the numerical values and the corresponding units. The RSR-MAS-344 offers a wide measurement range for each parameter, ensuring that it can be used in various applications. For instance, it can measure current up to 20A, voltage up to 1000V, and resistance up to 2000M .
One of the standout features of this multimeter is its data holding function, which allows users to store and recall measurements for later analysis. Additionally, the RSR-MAS-344 includes various functions such as minimum-maximum measurement, relative measurement, and autoranging, which make it an indispensable tool for troubleshooting and maintaining electrical systems.
The multimeter features a robust, compact design, with a backlit LCD display for improved visibility in dimly lit environments. It comes equipped with a protective rubber casing, ensuring durability and protection against impact damage. Furthermore, the multimeter comes with a comprehensive set of probes and test leads, allowing users to perform various measurements with ease.
The RSR-MAS-344 Digital Multimeter is powered by two AA alkaline batteries, which offer a long battery life, ensuring that the multimeter remains functional for extended periods. It has a safety rating of Cat III 600V, making it suitable for use in industrial environments where high electrical voltages are present.
In conclusion, the RSR-MAS-344 Digital Multimeter from RS Pro is an essential tool for anyone working with electrical systems. Its versatile features, wide measurement range, and user-friendly interface make it an indispensable companion for both beginners and experienced technicians. With its rugged design, comprehensive set of functions, and long battery life, this multimeter is a reliable and cost-effective solution for all your electrical testing needs.
The RSR-MAS-344 MAS-344 Digital Multimeter is a popular choice for technicians and hobbyists due to its versatility and functionality. Here are some pros and cons that can help you decide if this multimeter is the right one for you.
Pros:1. Wide Measuring Range: The MAS-344 multimeter offers a wide measuring range from DC 20mV to AC 1000V, making it suitable for measuring various electrical parameters in different applications.
2. True RMS Measurement: This multimeter provides true RMS measurement for AC voltage and current, ensuring accurate readings even for non-sinusoidal signals.
3. Data Hold and Min/Max Features: The data hold feature enables you to lock in the reading for a specific measurement, while the min/max feature allows you to record the lowest and highest readings.
4. Backlit Display: The large, backlit display makes it easy to read the measurements even in dimly lit environments.
5. Automatic Voltage Selection: The multimeter automatically selects the proper voltage range, reducing the risk of incorrect readings due to range selection errors.
6. CAT III 600V Safety Rating: The MAS-443 multimeter complies with CAT III 600V safety standards, ensuring user safety during electrical measurements.
Cons:1. Size and Weight: The multimeter is relatively large and heavy compared to some other models in its class, which can make it less portable.
2. Complex Menu Structure: The multimeter has a complex menu structure, which may require some time to learn and navigate.
3. Limited Input Jacks: The multimeter has only a few input jacks, which can make it less convenient for testing multiple circuits at once.
4. No Bluetooth Connectivity: The multimeter does not have Bluetooth connectivity, which may limit its appeal for those who prefer wireless data transfer.
In conclusion, the RSR-MAS-344 MAS-344 Digital Multimeter offers a wide range of features and functions that make it an excellent choice for professional technicians and hobbyists. Its true RMS measurement capabilities, large backlit display, and automatic voltage selection make it a reliable and accurate tool for electrical measurements. However, its size and weight, complex menu structure, and lack of Bluetooth connectivity may be drawbacks for some users. Ultimately, the decision to buy this multimeter depends on your specific needs and preferences.
Recommendation:If you require a versatile and accurate digital multimeter with true RMS measurement capabilities and a large backlit display, the RSR-MAS-344 MAS-344 Digital Multimeter is a great choice. However, if you prioritize portability and ease of use, you may want to consider other models with smaller size and simpler menu structures. Additionally, if Bluetooth connectivity is a must-have feature for you, you may want to look for multimeters that offer this functionality.
Details:
Rsr digital multimeter, MAS-344. Only 1 cord pictured included.
specifications testmultimeters:
- brand: Rsr-mas-344
- mpn: Mas-344
- part type: Multimeter
- form factor: Handheld
- test/measurement functions: Ac Voltage, Dc Voltage
- protection against liquids: Not Protected
- display: Digital
returns testmultimeters:
- paid by: buyer
- time: 30 days
- method: money back
- policy: returns accepted
shipping testmultimeters:
- service: usps ground advantage
- type: fixed
- carrier: usps
- transit: 4-9 days
- class: standard
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
offer testmultimeters:
- options: ship-to-home
- in stock #: 2
- sold #: 8
- started: march 29, 2026
- availability: in stock
- prices: $39.95–$79.95
- item condition: Used
seller testmultimeters:
- # reviews: 1337
- city: check, virginia
- rating: 99.3%
payments testmultimeters:
- credit card: discover
- other
- wallet: apple-pay

