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LEEM-20 Electric Meter Modification and Calibration Experiment (Milliammeter)

Short Description:

The instrument includes pointer type modified meter, digital standard voltmeter, ammeter, adjustable regulated power supply, decimal resistance box, etc. Each part is relatively independent, which is convenient for connection and management.


Product Detail

Product Tags

Experiments
1. Ammeter modification and calibration;
2. Modification and calibration of voltmeter;
3. Modification and design of ohmmeter.

The main technical parameters
1. Pointer type refitted meter: measuring range 1mA, internal resistance about 155Ω, precision 1.5;
2. Resistance box: the adjustment range is 0~11111.0Ω, and the accuracy is 0.1 level;
3. Standard ammeter: 0~2 mA, 0~20mA two ranges, three and a half digital display, accuracy ±0.5%;
4. Standard voltmeter: 0~2V, 0~20V two ranges, three and a half digital display, accuracy ±0.5%;
5. Adjustable stabilized voltage source: output 0~2V, 0~10V two gears, stability 0.1%/min;
6. Users who need it can increase the two-way protection of the meter head, so that the needles will not be damaged!


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