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3.3 Electrical signal measurement
3.3.1 DC Voltage measurement
Please connect correctly as shown in the figure 7. Then switch the measurement signal to voltage measurement. To
ensure measurement accuracy and adapt to more usage scenarios, two different ranges can be selected for voltage
measurement in this device: (-30~30)V
and (-300~300)mV
, the user should select the appropriate
measurement item according to the use situation.
Figure 7 Voltage/ frequency/ pulse/ switch wiring
3.3.2 Current measurement
Please connect correctly as shown in the figure 8. Then switch the measurement signal to current measurement (-
30~30)mA
.
