Triplett MM300 True RMS Manual Ranging Digital Multimeter
SKU
MM300
Model No
MM300
$26.71
Product Highlights
- Manual Ranging
- 1.5V/9V Battery Test
- Large easy to read LCD display
- Data Hold to lock the reading on the display
- Auto power off preserves battery life

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The Triplett Model MM300 is a versatile manual ranging digital multimeter designed for professionals and enthusiasts alike. With a True RMS feature for accurate readings in challenging conditions, it measures a wide range of electrical parameters including AC/DC voltage, current, resistance, and temperature. Built with safety and convenience in mind, the MM300 includes a low battery indicator, auto power off function, and a durable design, making it an ideal tool for various applications in both residential and commercial settings.
Triplett MM300 Multimeter Features
- Manual Ranging: Tailor your measurements for improved accuracy across different applications.
- 1.5V/9V Battery Test: Easily check the status of commonly used batteries, ensuring devices are always powered.
- True RMS: Ensures reliable measurements for non-sinusoidal or noisy waveforms, enhancing performance accuracy.
- Multi-Function Measurement: Measures AC/DC Voltage, Current, Resistance, Temperature, and performs Diode and Continuity tests for comprehensive testing capabilities.
- Large LCD Display: Provides clear and easy-to-read measurements even in low light conditions.
- Data Hold Function: Allows users to lock and record readings easily for further analysis.
- Auto Power Off: Extends battery life by turning off the device after a period of inactivity.
- Low Battery Indicator: Alerts you when battery replacement is needed, ensuring the multimeter is always ready for use.
- Safety Rated CAT III-600V: Tested for safety in high voltage applications, making it suitable for residential and commercial use.
- Complete Accessories: Comes with a protective rubber holster, test leads, temperature probe, and (3) AAA batteries, providing you everything needed to get started.
Triplett MM300 Detailed Specifications
| Display Type | 3-1/2 digit (2000 count) LCD |
| Measurement Types | AC/DC Voltage, AC/DC Current, Resistance, Temperature, Diode, Continuity |
| True RMS | Yes |
| Manual Ranging | Yes |
| Safety Rating | CAT III 600V |
| Battery Type | 3 x AAA (included) |
| Auto Power Off | Yes |
| Data Hold | Yes |
| Included Accessories | Test leads, temperature probe, protective rubber holster |
| Weight | Approx. 0.5 lbs |
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