User`s guide

Specifications 4
34450A User’s Guide 109
Continuity / Diode Test
• Measurement Method:
• Uses 0.5 mA ± 0.2% constant current source
• Response Time:
• Continuity : 165 samples/second with audible tone
• Diode : 190 samples/second with audible tone
• Continuity Threshold:
• 10 Ω fixed
• Input Protection:
• 1000 V (HI terminal)
Temperature
• Measurement Method:
• 2-wire Ohms measurement of 5 kΩ thermistor sensor (YSI 4407) with computer conversion
• Auto-ranging measurement, no manual range selection
• Input Protection:
• 1000 V (HI terminal)
Measurement Noise Rejection
• CMR (Common Mode Rejection) for 1 kΩ unbalance LO lead
• DC 140 dB
• AC 70 dB
• NMR (Normal Mode Rejection) for 60 Hz (50 Hz) ± 0.1%
• Slow mode 5½ digits 90 dB
• Medium mode 4½ digits 55 dB
• Fast mode 4½ digits 0 dB
Tab le 4-7 Supplemental measurement specifications (continued)