130
34405A User’s and Service Guide
6
Specifications
Continuity / Diode Test
•
Measurement Method:
•
Uses 0.83mA ± 0.2% constant current source, < 5V open circuit voltage
•
Response Time:
•
70 samples/second with audible tone
•
Continuity Threshold:
•
10
Ω
fixed
•
Input Protection:
•
1000V (HI terminal)
Temperature
•
Measurement Method:
•
2-wire Ohms measurement of 5k
Ω
thermistor sensor (YSI 4407) with computer conversion
•
Auto-ranging measurement, no manual range selection
•
Input Protection:
•
1000V (HI terminal)
Measurement Noise Rejection
•
CMR (Common Mode Rejection) For 1k
Ω
unbalance LO lead
•
DC 120 dB
•
AC 70 dB
•
NMR (Normal Mode Rejection) For 60 Hz (50 Hz) ± 0.1%
•
5½ digits 65 dB (55 dB)
•
4½ digits 0 dB
AC Voltage
•
Measurement Method:
•
AC coupled true-rms - measure the AC component with up to 400 VDC bias any range
Table 29
Supplemental Measurement
Specifications
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