Ht-instruments HT401 Uživatelský manuál stáhnout pdf (Strana 10)

HT401

EN - 9

4.4. OPERATING INSTRUCTIONS

4.4.1. DC Voltage measurement

CAUTION

The maximum input DC voltage is 1000 V. Do not measure voltages

exceeding the limits given in this manual. Exceeding these limits could

result in electrical shocks to the user and damage to the instrument.

Fig. 2: DC voltage measurement

1. Select

or positions

2. Press the MODE key to activate “DC” or “AC+ DC” modes (see § 4.3.2)

3. Press the RANGE key to activate manual range selection (see § 4.2.1) or use the

Autorange feature. If the voltage value is unknown select the maximum range

4. Insert the red cable into input lead

V and the black cable into input lead COM

5. Position the red lead and the black lead respectively in the points with positive and

negative potential of the circuit to be measured (see Fig. 2). The voltage value is

shown on the display

6. The message “O.L” indicates that the voltage being measured exceeds the maximum

value measurable by the instrument

7. When symbol “-” appears on the instrument’s display, it means that voltage has the

opposite direction with respect to the connection in Fig. 2

8. For Maximum and Minimum value measurement and HOLD function measurement,

please refer to § 4.2

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 23 24

Žádné komentáře

Ht-instruments HT401 Uživatelský manuál Strana 10