Selection Of Internal Bias; Selection Of Range - East Tester ET430 Instructions For Use Manual

The following levels can be selected for different models:
ET431/ET432：1Vrms、0.6Vrms、0.3Vrms、0.1Vrms；
ET430: 0.6Vrms、0.3Vrms;
ET430B: 0.6Vrms;
ET433: 0-1V adjustable.

5.2.3 Selection of internal bias

ET43 Series offers internal bias 0-500mV, the DC bias voltage with stepping of 1mV
(ET430/ET430B has no such function). When the test function is DCR, the bias is 800mV.
There are two ways to change the bias voltage:
Method One: press the right and left arrow keys to set the bias, and press ENTER,
press the up and down arrow keys to select the bias as shown in figure 7, and press
ENTER to confirm.
Method Two: long press-|(-
select the required value of bias, and then press ENTER to confirm.

5.2.4 Selection of range

There are two ways to change the range:
Method One: turn on the instrument and the measurement display is shown, press
the left and right arrow keys to move the cursor to the range, and the up and down arrow
keys to switch the range (AUTO, 100Ω, 1kΩ, 10kΩ, 100kΩ).
Method Two: Press RANGE to switch directly to the next range, move the cursor to
the range at the same time.
Hangzhou Zhongchuang Electronics Co., Ltd.
Figure 6
to select the bias, press the up and down arrow keys to
Figure 7
6