136 34405A User’s and Service Guide
6 Specifications
Supplemental Measurement Specifications
Ta ble 2 8 Supplemental Measurement Specifications
DC Voltage
• Measuring Method:
• Sigma Delta A-to-D converter
• Input Resistance:
• 10MΩ ± 2% range (typical)
• Input Protection:
• 1000V on all ranges (HI terminal)
Resistance
• Measurement Method:
• 2-wire Ohms
• Open-circuit voltage:
• Limited to < 5V
• Input Protection:
• 1000V on all ranges (HI terminal)
DC Current
• Shunt Resistance:
• 0.1Ω to 10Ω for 10mA to 1.2A ranges
• 0.01Ω for 12A range
• Input Protection:
• Front Panel 1.25A, 500V fuse for I terminal
• Internal 15A, 600V fuse for 12A terminal
34405A users guide.book Page 136 Saturday, September 2, 2006 3:38 PM
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