Forch F72 - Electrical Measurement Ranges; Resistance and Diode Check Specs; Continuity and Current Specifications

4.2.3 Resistance
Range Resolution Accuracy
200 Ω 0,1 Ω ± (0.8% rdg + 2dgt)
2 kΩ 0,001 kΩ
20 kΩ 0,01 kΩ
200 kΩ 0,1 kΩ
2 MΩ 0,001 MΩ ± (1.0% rdg + 2dgt)
20 MΩ 0,01 MΩ
4.2.4 Diode check
Range Resolution Accuracy
0,001 V Will display the forward drop voltage
Operating current: about 1mA
Open circuit voltage: about 1.48V
4.2.5 Continuity
Range Function
If measured resistance less than 100Ω, will buzzer is sounded
Open voltage: about 0.5V
4.2.6 DC Current
Range Resolution Accuracy
200 µA 0,1 μA ± (1.5% rdg + 3dgt)
2000 µA 1 µA
20 mA 0,01 mA
200 mA 0,1 mA
10 A 0,01 A
Over Load protection: use the fuse(F250mA/600V) at µA/mA range,and use the
fuse(F10A/600V) at 10A range.
Max input current: 250mA at ‘mA’ input terminal and 10A at ‘10A’ input terminal.
4.2.7 AC Current [40Hz-400Hz]
Range Resolution Accuracy
200 µA 0,1 μA (1.5% rdg + 4dgt)
2000 µA 1 µA
20 mA 0,01 mA
200 mA 0,1 mA
10 A 0,01 A
Over Load protection: use the fuse(F250mA/600V) at µA /mA range,and use the
fuse(F10A/600V) at 10A range.
Max input current: 250mA at ‘mA’ input terminal and 10A at ‘10A’ input terminal.
Frequency response: 40 - 400Hz