Accuracy Indicator; Accuracy Indicator 1(Et433) - East Tester ET1080A User Manual

5*10 *(1+0.05fm)
-4
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:
Hangzhou Zhongchuang Electronics Co., Ltd.
0 5*10 *(1+0.05fm)
-4
21
1*10 *(1+0.05fm)
-3