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4-Channel Strain Gave / Transducer Amplifier-Digitizer

Model 6032


  • Programmable excitation, remote sensing

  • Optional continuous excitation monitoring

  • Programmable bridge configuration

  • Shunt and voltage calibration

  • Automatic zero and balance

  • Gains 1 to 5,000 with 0.05% resolution

  • 20K sample rate, 16-bit resolution

  • 4-Pole low pass filter

  • Option programmable filter

  • Continuous analog outputs

  • Programmable warnings and alarms


Four high-performance, fully programmable signal conditioning amplifiers for quarter, half and full bridge. Each channel has programmable excitation, autobalance, voltage and shunt calibration, differential instrumentation amplifier, low pass anti-aliasing filter and sample and hold amplifier. High-level outputs are multiplexed to a 16-bit ADC.

Individual excitation regulators with remote sensing make the 6032 ideal for use with long input cables. Using remote sensing excitation voltage can be set and regulated at the transducer. An eight-wire, shielded input has dedicated shunt calibration leads or internal shunt can be selected. Excitation voltage can be measured during calibration or the optional excitation monitor continuously digitizes and samples the excitation for each channel. The standard filter is an 4-pole, Butterworth with plug-in frequency selection. Optionally available is a programmable, 4-pole Butterworth filter with 10 frequency steps per decade. Each channel has a continuous analog output.

Specifications Model 6032

Input Two to eight wires with shield with programmable completion for 120 and 350 Ohm quarter, half and full bridge transducers. Input connector is 50-pin Type D Subminiature.
Excitation 0 to +12 volts in 1 ±0.1% Volt steps, 50mA individually set and regulated for each channel. Stability is ±0.01%, line and load regulation are ±0.01% using remote sensing. Calibration mode measures excitation voltage using the amplifier. A short on one channel does not affect other channels.
Excitation Monitor (Option EM) Supplemental channel measures excitation using 16-bit ADC, 0.1% accuracy. Dedicated alarms may be used to automatically detect excitation error.
Balance Automatic to ±0.05% of range ±1mV. Stability is ±0.01%, ±0.005%/°C. User adjustable balance range.
Input Range ±2mV to ±10 Volts full scale. Input protected to ±50 Volts.
Calibration Voltage substitution with attenuation of 1, 0.1 and 0.01. Singe-step resistive shunt calibration. Shunt calibration may be applied to external gauge arm or internal completion resistor.
Gains Programmable from 1 to 5,000 in 1, 2, 3, 5, 10 steps with ±0.05% accuracy.
Static Accuracy Typically ±0.02% for gains 1 to 1,000 after calibration.
Common Mode 110dB @ gain 1,000, ±10 Volts, protected to ±50 Volts.
Bandwidth 5kHz (3-dB) for gains <1,000, 1kHz for gains >1.000.
Filter Four-pole low-pass filter with plug-in modules for 1Hz to 1kHz, 10Hz, Butterworth supplied.
Filter (Option PF) Four-ple, low pass Butterworth, 10Hz to 1kHz programmable in 10Hz steps form 10 to 100Hz and in 100Hz steps from 100 to 1kHz.
Sampling Up to 20k samples per second per channel. Time correlation is ±50nS.
ADC 10-bits, two’s complement output
Analog Output ±10 Volts full scale, wideband.


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