HP 971A, Руководство пользователя

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AC Current (Average responding, 40 Hz to 500 Hz, calibrated to display rms)
Range Resolution Accuracy
Input
Resistance
Maximum Input
400
µ
A
100 nA
±
(1.5% + 5)
< 550
Ω
0.5 Arms (fused)
4000
µ
A 1
µ
A
40 mA
10
µ
A
< 8
Ω
400 mA
100
µ
A
10 A 10 mA
< 0.05
Ω
15 Arms (fused)
Resistance
Range Resolution Accuracy Test Current
Maximum
Open Circuit Voltage
400
Ω
100 m
Ω ±
(0.5% + 1)
1
< 0.8 mA < 3.2 V
4.0 k
Ω
1
Ω
±
(0.5% + 1)
< 80
µ
A
< 1.1 V
40 k
Ω
10
Ω
< 10
µ
A
400 k
Ω
100
Ω
< 1.1
µ
A
4.0 M
Ω
1 k
Ω
< 110 nA
40 M
Ω
10 k
Ω ±
(1.0% + 1)
1
After zero adjust of input leads. Zero adjust range up to 9.9
Ω
.
Response time: 400
Ω
to 400 k
Ω
— 2 seconds, 10 M
Ω
to 40 M
Ω
— 10 seconds.
Continuity
Measurement Current: 0.8 mA maximum Open circuit voltage: < 3.2 Vpeak
Displayed resistance: 0
Ω
to 400
Ω
Input protection: 660 Vrms (sinewave)
Alarm: Tone when input < 20
Ω
Resolution: 100 m
Ω
Specifications
1-19