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​​​​​​​TNV current limit tester

Item No.: SH3103
TNV current limit tester according to IEC 60950-1 in the relevant provisions of the design and manufacture, the use of true RMS test circuit and microcontroller system, the instrument is mainly by the test current input circuit, A/D converter, microcontro
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Description
TNV current limit tester
TNV current limit tester according to IEC 60950-1 in the relevant provisions of the design and manufacture, the use of true RMS test circuit and microcontroller system, the instrument is mainly by the test current input circuit, A/D converter, microcontroller and its peripheral interface circuit. The current input signal is sent to the microcontroller for digital filtering and arithmetic processing after A/D conversion, and displayed on the digital tube. Adopting open user setting interface, it can set the parameters and status of the instrument, and the setting parameters can be saved permanently after power failure.

Technical Parameters
1、Power supply: AC 220V 50Hz.
2、Instrument power consumption: < 30W.
3、Non-inductive resistor: 2000Q ± 10%.
4、Leakage current measurement range: 0.7 ~ 70mA.
5、Test accuracy: ± 3% reading ± 1% fullness.
6、Frequency range: 20Hz ~ 1000Hz.
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