HP 974A, Руководство пользователя

Страница: 19 / 27

Resistance
Range Resolution Accuracy Test Current
Max
Open Circuit
Voltage
500
Ω
10 m
Ω ±
(0.06% + 2)
1
< 800
µ
A < 5.5 V
5.0 k
Ω
100 m
Ω
±
(0.06% + 2) 50 k
Ω
1
Ω
< 80
µ
A
< 2.2 V
500 k
Ω
10
Ω
< 15
µ
A
5.0 M
Ω
100
Ω ±
(0.5% + 1) < 1.5
µ
A
50 M
Ω
1 k
Ω ±
(1.0% + 2) < 150 nA
1
After zero adjust of input leads. Zero adjust range up to 0.99
Ω
.
Response time: 500
Ω
to 500 k
Ω
— < 2 seconds, 5 M
Ω
to 50 M
Ω
— < 10 seconds.
Continuity
Measurement Current: 0.8 mA maximum Open circuit voltage: < 5.5 Vpeak
Displayed resistance: 0
Ω
to 499.99
Ω
Input protection: 500 Vrms (sinewave)
Alarm: Tone when input < 100
Ω ±
50
Ω
Resolution: 10 m
Ω
(<100 mSec response time)
Diode
Measurement current: +1.0 mA nominal @ 0.6 V Open circuit voltage: < 5.5 Vpeak
Displayed Voltage: 0 V to 4.999 V
Input protection: 500 Vrms (sinewave)
Accuracy:
±
(1% + 2) Resolution: 100
µ
V
Frequency (AC Coupled)
Frequency Range Resolution Accuracy Input Voltage (rms)
10 Hz to 99.99 Hz 0.01 Hz
±
(0.05% + 1)
0.45 mV to 500 V 90 Hz to 999.0 Hz 0.1 Hz
900 Hz to 9.999 Hz 1 Hz
9.00 kHz to 99.99 kHz 10 Hz .7 V to 100 V
90 kHz to 200 kHz 100 Hz 1.5 V to 100 V
Specifications
1-19