Ac Current; Resistance; Continuity; Diode - HP 972a User Manual

Specifications

AC Current

Range
400 µA
4000 µA
40 mA
400 mA
10 A
HP 972A average responding
HP 973A rms responding, crest factor <3, specified for 5% to 100% of range

Resistance

Range
400 Ω
4.0 kΩ
40 kΩ
400 kΩ
4.0 MΩ
40 MΩ
1 After zero adjust of input leads. Zero adjust range up to 9.9 Ω.

Continuity

Measurement Current: 0.8 mA maximum
Displayed resistance: 0 Ω to 400 Ω
Alarm: Tone when input < 20 Ω

Diode

Measurement current: +0.5 mA nominal @ 0.6 V Open circuit voltage: < 3.2 Vpeak
Displayed Voltage: 0 V to 2.000 V
Accuracy: ± (1% + 2)
1 - 20
Accuracy
Resolution
(40 Hz to 2 kHz)
100 nA
1 µA
10 µA ± (1.5% + 4)
100 µA
10 mA
Resolution Accuracy
± (0.2% + 1)
100 mΩ
1 Ω
10 Ω ± (0.2% + 1)
100 Ω
± (0.5% + 1)
1 kΩ
± (1.2% + 1)
10 kΩ
Input
Maximum Input
Resistance
< 550 Ω
0.5 Arms (fused)
< 8 Ω
< 0.05 Ω
15 Arms (fused)
Test Current
Circuit Voltage
1
< 0.8 mA
< 80 µA
< 10 µA
< 1.1 µA
110 nA
Open circuit voltage: < 3.2 Vpeak
Input protection: 660 Vrms (sinewave)
Resolution: 100 mΩ
Input protection: 660 Vrms (sinewave)
Resolution: 1 mV
Max Open
< 3.2 V
< 1.1 V