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Model 10A63-2
 Dual Voltage Conditioner

Input Type Description SPS6000 SPS8000 System 10
Voltage, Current Dual Voltage X*X
 X-X
 X*X


This premium two-channel voltage input conditioner is similar to the four-channel Model 10A60-4, but offers a wider range of input voltages, greater allowable common-mode range, and substantially higher internal accuracy (see Specifications). The 10A63-2 also provides nominal 5 V-DC excitation for external potentiometers and DC-to-DC transducers. "1/2 Bridge Completion" terminals allow "zero-center" operation of potentiometers (potentiometer resistance should be from 1 to 10 kilohms).

In System 10, "absolute" calibration may be used for a 10A63-2 channel if the parameter being measured is voltage itself. "Two-point" ("deadweight") calibration should be used if the voltage input signal is an analog of some other parameter that has at least two independently and accurately known calibration values. In the SPS6000 System, both "calculated" and "two-point" calibration are available.

Specifications:
  • Transducer Types: 2-, 3-, or 4-wire DC voltage sources, grounded or floating
  • Input Voltage Ranges: ±0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50, 100, or 200 V-DC; automatically selected- on an individual channel basis- when the channel is configured
  • Excitation (per channel): Nominal 5 V-DC; 50 mA, maximum
  • Amplifier (per channel):
      Normal-Mode Range: ±200 V operating; ±500 V without instrument damage
      Common-Mode Range: ±200 V operating; ±300 V without instrument damage
      Common-Mode Rejection Ratio: DC: -120 dB; at 60 Hz: -60 dB
      Input Impedance: Differential: 1 M-ohm; Common-Mode: 0.5 M-ohm
      Offset: Initial: ±0.02% of full scale; vs. Temperature: ±50 ppm/°C; vs. Time: ±20 ppm/month Gain Accuracy: ±0.02% of full scale typical, following calibration*
      Gain Stability: vs. Temperature: ±50 ppm/°C; vs. Time: ±50 ppm/month
  • Filter (per channel): 3-pole modified Butterworth; 3 dB down at 5 Hz; 60 dB down at 100 Hz
      Step-Response Settling Time (Full-Scale Output):
      To 1% of final value: 200 msec
      To 0.1% of final value: 300 msec
      To 0.02% of final value: 400 msec
  • Auxiliary Outputs: Filtered outputs available on wire-wrap pins
    *Initial (uncalibrated) inaccuracy may be as great as ±1.5% of full scale (see Accuracy Specifications"). Maximum error that could occur upon replacement of a Model 10A63-2 not followed by calibration is ±3% of full scale.


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