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Model 6152, 4-Channel Strain/Bridge Transducer Amplifier - Filter-Digitizer


  • Programmable input configuration 1/4, 1/2 & full bridge
  • Programmable excitation with remote sensing
  • Shunt & voltage calibration
  • Automatic zero & balance
  • Gains 1 to 5,000 with 0.05% accuracy
  • Buffered 10 Volt analog output


The 6152 input module has four channels of high performance signal-conditioning amplifiers for strain gages and bridge transducers. Each channel has programmable excitation with remote sensing, voltage calibration, local or remote shunt calibration, programmable gain instrumentation amplifier and four-pole low pass filter. Each channel provides a buffered analog output.

The 6152 is used with quarter, half and full bridge transducers, potentiometers and low-level voltage signals in demanding applications such as load control. The standard filter a four-pole or six-pole filter with programmable cutoff frequency from 4 Hz to 5 kHz in 1 Hz steps.

Voltage substitution using an external voltage standard is provided for traceable gain calibration. Internal or external shunt calibration is provided for transducer calibration. Transducer balance, zero and gain calibration are automatic by program control.

Overview  · Input  · Excitation/Transducer Power  · Amplifier  · Filter  · Digitizer  · Calibration  · Mechanical  · Ordering Information 


Measurement Type

Strain Gage

Analog Bandwidth

10 kHz

Excitation/Transducer Power




Analog Output

Buffered Analog Output



4 channels, 2 to 8 wire with guard shield. Bridge configuration is programmable for 1/4, 1/2 and full bridge, 120 Ohm and 350 Ohm.


Automatic by program control. Balance accuracy ±0.05% of range, ±1 mV RTO. Stability ±0.02% for 8 hours, ±0.005%/ºC. Range set by resistor up to 10 mV/V, 2 mV/V (for 350 Ohms) installed.

Excitation/Transducer Power

Voltage Excitation

Programmable from 0-12 Volts in 1 Volt ±0.1% steps, with 3.3 mV resolution adjustment.


50 mA limited to 70 mA.


±0.01% for ±10% line and no-load to full-load using remote sensing.


±0.01%, ±0.005 %/ºC

Excitation Noise

200 µV peak-to-peak.


Calibration mode applies excitation voltage to amplifier input.



Programmable from 1 to 5,000 in 1, 2, 3, 5 steps with ±0.05% accuracy.

Gain Stability

±0.01%, ±0.004%/ºC.


50 Megohms, shunted by 1,000 pF.


Instrumentation amplifier ±50 Volts differential and Common Mode. Bridge ±15 Volts Common Mode.

Analog Output (Amplifier)

±10 Volts full scale, wideband or filtered. Accuracy is ±0.05%.

Linearity (Amplifier)

±0.01% for gains < 1,000, ±0.02% for gains 1,000 and higher.

Common Mode

74 dB plus gain in dB up to 106 dB, DC to 60 Hz for ±10 Volts.

Zero (Amplifier)

Automatic to ±1 µV RTI, ±0.5 mV RTO.

Zero Stability

±5 µV RTI, ±1 mV RTO, ±1 µV/ºC RTI, ±0.2 mV/ºC RTO. Short term: ±2 µV RTI, ±0.4 mV RTO.

Source Current

±25 nA, ±0.01 nA/ºC

Noise (10 Hz)

0.1 µV RMS RTI plus 0.5 mV RMS RTO

Noise (Wideband)

2 µV RMS RTI plus 0.5 mV RMS RTO


10 kHz (-3 dB) or better.

Slew Rate

5 V/µS


800 µS to ±0.1% for 10X overload to ±10 V.


Buffered Analog Output, ±10 Volts full scale, wideband or filtered. Accuracy is ±0.05%.


Programmable Filter

Four or Six-pole, low pass Butterworth. Continuously programmable 4Hz to 5kHz, 1.25Hz resolution, 3% accuracy. 0.5 mV RMS RTO.


Other filter characteristics and cut offs available.


Digitizer Note

See Series 6000 to add the following onboard digitizing capability.


16-bits, two's complement output.

Sample Rate

0 to 20 kS/s per channel

Digitizer Linearity

±2 LSB (±0.006%)


Monotonic to 15 bits.


Two alarms each with programmable upper and lower limits and persistence checked on each ADC sample.



Two steps shunt, internal or external connection, 174k Ohm 0.1% and 357k Ohm 0.1%

Voltage Substitution

Alternate input for external calibration source. Programmable attenuator with steps of 1, 0.1 and 0.01, ±0.02% accuracy. Output of the attenuator is provided for calibration.

Zero Calibration

Amplifier input disconnected and shorted.



Occupies one slot in Series 6000 enclosures.


Input is 50-pin Type D output is 9-pin Type D.

Operating Temperature

0 to +50 ºC

Ordering Information 

Ordering Information

6152B-PF4/5K-BU4 - 4-Ch Strain-Bridge, PF 4Hz-5kHz 4-Pole Butterworth, 2-Step Shunt.
6152B-PF4/5K-BU6 - 4-Ch Strain-Bridge, PF 4Hz-5kHz 6-Pole Butterworth, 2-Step Shunt.

6152-PF4/5K-BU4 - 4-Ch Strain-Bridge, PF 4Hz-5kHz 4-Pole Butterworth.

6152-PF4/5K-BU6 - 4-Ch Strain-Bridge, PF 4Hz-5kHz 6-Pole Butterworth.


Model 6152
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