East Tester ET430 - Accuracy Indicator (DCR); Maintenance; Overhaul; Clean

Hangzhou Zhongchuang Electronics Co., Ltd.
31
4MΩ
400.0kΩ~3.9999MΩ
4.0%+10 digits
2.3°
Parallel
400kΩ
40.00kΩ~399.99kΩ
1.5%+4 digits
0.9°
Parallel
40kΩ
4.000kΩ~39.999kΩ
1.0%+2 digits
0.6°
Parallel
4kΩ
400.0Ω~3.9999kΩ
0.7%+2 digits
0.4°
------
400Ω
40.00Ω~399.99Ω
0.7%+2 digits
0.4°
Series
40Ω
4.000Ω~39.999Ω
1.0%+5 digits
0.6°
Series
4Ω
0.4000Ω~3.9999Ω
3.0%+10 digits
1.7°
Series
0.4Ω
0.0000Ω~0.3999Ω
7%+20 digits
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Series
8.3.4 Accuracy indicator
4
(DCR)
Range
Range of display
Accuracy Re
20MΩ
10.00MΩ~20.00MΩ
5.0%+10 digits
10MΩ
4.000MΩ~9.999MΩ
2.0%+5 digits
4MΩ
400.0kΩ~3.9999MΩ
1.2%+3 digits
400kΩ
40.00kΩ~399.99kΩ
0.3%+3 digits
40kΩ
4.000kΩ~39.999kΩ
0.2%+2 digits
4kΩ
400.0Ω~3.9999kΩ
0.2%+2 digits
400Ω
40.00Ω~399.99Ω
0.2%+2 digits
40Ω
4.000Ω~39.999Ω
0.3%+3 digits
4Ω
0.400Ω~3.999Ω
1.0%+3 digits
0.4Ω
0.000Ω~0.399Ω
3.0%+3 digits
9. Maintenance
Warning: Do not arbitrarily repair the instrument; it should be maintained
and repaired by professionals.
Warning: keep the instrument away from liquid; do not leave articles
especially conductive objects in the instrument.
9.1. Overhaul
If the equipment fails and cannot be switched on, you should first check the battery
and external power supply, power jack, etc.; check whether the key is invalid;
If the test result is abnormal, first check if the test accessories have problems, and if
there is damage of the spring in the test notch; at the same time review the specification to
confirm if the operation is correct;
Do not arbitrarily replace the components and specific parts, please contact the
relevant dealer or service company for problems which cannot be confirmed,.
9.2 Clean
Before cleaning, it must be shut down, the battery and external power supply should