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System 5000 Model 5140 LVDT Input Card : Specifications : Channels: Five per card. Inputs:   Full-bridge and half-bridge transducers   Input Impedance: 10 M each input.   Input Protection: ±40V   Source Current: ±0.5 nA typical; ±5 nA max Input Connector: Nine-pin D-sub style Amplifier:   Zero Temperature Stability: ±1.2 V/° C RTI, ±100 V/° C RTO, after 30-minute warm-up.   Gain Accuracy: ±0.25% typical   Common-Mode Rejection (dc to 5 Hz): 100 dB typical   Common-ModeVoltage: ±10V   System Noise (Normal Mode Operation): ±4 ADC counts typical Measurement Ranges: ±0.5, ±1, &plusmn2.5, ±5 Vrms Resolution: 15.25, 30.5, 76.2, 152.5 Vrms   Excitation: 3.0 Vrms, 5000Hz or 2500 Hz sine wave. Software-selectable   Accuracy: ±5 mVrms typical   Current: ±250 mA max (±50 mA per channel) Over-current protected   Load Regulation: <0.1% of full scale for a load variation of 10% to 100% of full load   Temperature Stability: Better than ±0.05%/° C   Filter:   Type: Four-pole Butterworth   Cutoff Frequency (-3 dB): 5 HZ Page 6 of 6