East Tester ET430 - 8.3.3 Accuracy indicator 3(ET430 and ET430 B)

Hangzhou Zhongchuang Electronics Co., Ltd.
21
5*10
-4
*(1+0.05fm)
0
5*10
-4
*(1+0.05fm)
1*10
-3
*(1+0.05fm)
Note: fm in the table indicates the frequency of the test signal （ unit: kHz ）
8.3 Accuracy indicator
Notes:
 Ambient temperature: 20
℃
± 2
℃
, humidity: ≤80% R.H;
 Preheat the instrument for at least 30 minutes before the test;
 Test at the test notch on the end face of the instrument;
 It is better to conduct open and short circuit correction before the
test;
 Measure with the recommended equivalent mode;
 The percentage in terms of error indicates:
 ± (% of the reading + last digit)
 If the actual measurement of the instrument and the display exceeds
the scope specified in the table, the accuracy of the excessive part
will not be given;
 The meaning of the subscript
 S- series equivalent; p- parallel equivalent; e- accuracy
 Some parameters cannot be given in the data table, and it can only be
calculated based on the measurement results;
8.3.1. Accuracy indicator 1(ET433)
When the test level is 0.6V, the measurement accuracy by using Kelvin test fixture is
as follows: