Description
Additional Features:
- Output Ranges: 10V, 1V, 1.018+ΔE, 1.019+ΔE, ΔE
- Source Resistance: 10V range is <0.07Ω; 1V, 1.018V, 1.019V, ΔE Ranges are <1kΩ
- Output Protection: The output may be shorted indefinitely without damage to the instrument
- Line Regulation: <1 ppm for ±10% line voltage variation
- Ripple & Noise: <1 ppm p-p dc to 1 Hz, <20µV rms 1 Hz to 1 MHz, except <70µV rms at 10 V output
- Common Mode Noise Rejection: ≥120dB at dc, ≥100dB at 60 Hz, ≥85dB at 400 Hz
- Isolation: Output may be floated up to 500V dc between chassis ground and guard
- Input Power: 115V or 230V ac ±10V, 50 to 400 Hz or internal rechargeable batteries, 6W max, 120 mA max
The Fluke 731B DC Reference Standard is a versatile instrument providing stability, while utilizing the excellent performance capabilities of solid-state technology. The instrument furnishes a wide variety of prevision voltages with switched output ranges including 1.0, 1.018 + ΔE, 10.0, and ΔE volts.
ΔE provides a variable output of 0 to 999 µV which is either added to the voltage of a standard cell transfer or may be used directly as a low-level, stable direct voltage source.
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