Portable small-current grounding line selection device tester

Portable small-current grounding line selection device tester

The utility model discloses a portable small current grounding line selection device tester, comprising a tester main body, a DSP module and a power supply, the tester main body is connected with the power supply, a three-path voltage power amplifier module, a merging module and an input module, the...

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Hauptverfasser: FAN YEQIAN, YUAN XIN, ZHANG YUXIN, MU ZHIPENG, WANG XINWEI, SUN SHIPENG, HE MINGXUAN, CHEN LEI, ZHAO XINLI, WANG JINMING, GUO HENG, LIU YIN, LIU WENBAO, MA TENGFEI
Format: Patent
Sprache:chi ; eng
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MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator FAN YEQIAN
YUAN XIN
ZHANG YUXIN
MU ZHIPENG
WANG XINWEI
SUN SHIPENG
HE MINGXUAN
CHEN LEI
ZHAO XINLI
WANG JINMING
GUO HENG
LIU YIN
LIU WENBAO
MA TENGFEI
description The utility model discloses a portable small current grounding line selection device tester, comprising a tester main body, a DSP module and a power supply, the tester main body is connected with the power supply, a three-path voltage power amplifier module, a merging module and an input module, the DSP module is connected with an AVR single-chip microcomputer, an AT control digital processor, a power amplifier overheating alarm mechanism, a first waveform recovery protection alarm mechanism, a six-path D/A conversion module, a second waveform recovery protection alarm mechanism, an output module and an input module, and the second waveform recovery protection alarm mechanism is connected with a three-path current power amplifier module. And the first waveform recovery protection alarm mechanism is connected with a three-path voltage power amplifier module. The portable tester for the small-current grounding line selection device can better meet the test work of the small-current grounding line selection devi
format Patent
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title Portable small-current grounding line selection device tester
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