Fluke 8808A User Manual - Page 19

1 Introduction and Specifications Electrical Specifications Electrical Input Protection 1000 V all ranges Overrange 10 % on the largest ranges of all functions except continuity and diode test Remote Interfaces RS-232C Warranty One year Electrical Specifications Accuracy specifications are valid for 5-½ digit mode and after at least a half-hour warm-up DC Voltage Specifications Maximum Input 1000 V on any range Common Mode Rejection 120 dB at 50 or 60 Hz ±0.1％ (1 kΩ unbalance) Normal Mode Rejection 80 dB at Slow Rate A/D Nonlinearity 15 ppm of range Input Bias Current 30 pA at 25 °C Settling Considerations Measurement settling times are affected by source impedance, cable dielectric characteristics, and input signal changes Input Characteristics Range Full-Scale (5-1/2 Digits) Slow Resolution Medium Fast Input Impedance 200 mV 2 V 20 V 200 V 1000 V 199.999 mV 1.99999 V 19.9999 V 199.999 V 1000.00 V 1 μV 10 μV 100 μV 1 mV 10 mV 10 μV 100 μV 1000 μV 10 mV 100 mV 10 μV 100 μV 1000 μV 10 mV 100 mV >10 GΩ[1] >10 GΩ[1] 10 MΩ±1 % 10 MΩ±1 % 10 MΩ±1 % Notes: [1] At some dual display measurements, the input impedance of 200 mV and 2 V ranges may be changed to 10 MΩ. Accuracy Accuracy [1] Range 90 days 23 °C ± 5 °C 200 mV 0.01 + 0.003 2 V 0.01 + 0.002 20 V 0.01 + 0.003 200 V 0.01 + 0.002 1000 V 0.01 + 0.002 Notes: [1] Accuracy given as ± (% of reading + % of range) 1 year 23 °C ± 5°C 0.015 + 0.004 0.015 + 0.003 0.015 + 0.004 0.015 + 0.003 0.015 + 0.003 Temperature Coefficient/°C Outside 18 - 28 °C 0.0015 + 0.0005 0.001 + 0.0005 0.0020 + 0.0005 0.0015 + 0.0005 0.0015 + 0.0005 1-9