HT21
EN - 7
4.3. MEASUREMENTS
4.3.1. DC Voltage measurement
CAUTION
The maximum input for DC voltage is 600V. Do not attempt to measure
higher voltages to avoid electrical shocks or damages to the instrument.
Fig. 2: Using the meter for DC voltage measurement
1. Switch on . “DC” symbol is displayed
2. Insert the test leads into the jacks, the red plug into VHz% CAP jack and black
plug into COM jack (see Fig. 2)
3. Connect the red and black test leads to the positive and negative poles of the circuit
under test respectively. The voltage value is displayed
4. If the message "O.L" is displayed the higher range is reached
5. The symbol "-" on the instrument display indicates that voltage has opposite direction
with regard to the connection of Fig. 2
6. For HOLD function and Relative measurement please refer to § 4.2
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