Strain gauge amplifier ZET 052

Measuring strain gauge amplifier ZET 052 is intended for amplification and conversion of the strain-gauge transducers’ input signals:

  • 2 input channels;
  • amplification ratios: 1, 10, 100;
  • differential input;
  • power supply voltage of the transducer: 2,5 V; 5 V; 10 V;
  • initial imbalances compensation.

POR (price on request)


of the strain-gauge amplifier ZET 052

Technical specifications
Input specifications
Amplification ratio amplification ratio=1 amplification ratio=10 amplification ratio=100
Number of channels 2
Input type differential
Input voltage range ±10000 mV ±1000 mV ±100 mV
Maximal admissible in-phase voltage at the inputs ±9 V
Power supply of the strain-gauge transducer
Power supply voltage 2,5 V
5 V
10 V
Power supply voltage error (max.) 0,25 %
Maximal current value 50 mA
Output specifications
Output signal range from -10 up to +10 V
Maximal output current 10 mA
Zero balancing
Balancing range (applied to the input) from -200 up to 200 mV from -20 up to 20 mV from -2 up to 2 mV
Accuracy of the set value (applied to the input) ±1,5 mV ±0,15 mV ±0,015 mV
Type bypassing
Bypass resistance 51 kOhm
Accuracy of bypass resistance 1 %
Metrological specifications 
Frequency range from DC up to 20000 Hz
Intrinsic noise level (applied to the input) 15 µV 2 µV 1 µV
AFR unevenness in the operation frequency range 0.25 dB
Operational specifications
External DC power supply module voltage 12 V
Consumed current, max. 300 mA
Operating temperature range from 5 °С up to 40 °С


of the strain-gauge amplifier ZET 052

Measuring strain-gauge amplifier ZET 052 is represented by 2-channel DC amplifier with differential output, adjustable amplification ratio, and power supply voltage. This instrument is intended for connection of the strain-gauge transducers, amplification, and transmission of the analog output signals to the measurement unit. The principal task of the strain-gauge amplifier is to increase the output signal level from several mV up to several V. In this particular example, we use balancing, i.e. compensation of the initial offset of bridge or transducer within the limited range. In addition to that, there is also used calibration (also referred to as “gauging”), i.e the known offset value allows to evaluate sensitivity level of the measuring circuit.

Amplifier ZET 052 can also be used for static and dynamic measurements of loads, deformations, torque, temperature, and other physical values.

Simple controls and compact dimensions allow to integrate this module into various multi-channel data acquisition systems, while the analog output can be connected to the FFT Spectrum analyzer or ADC module.

Strain-gauge amlifier ZET 052 - general layout of the system components

Basic configuration

of the strain gauge amplifier ZET 052


The basic delivery scope of measuring strain gauge amplifiers ZET 052 includes:

  • ZET 052 strain-gauge amplifier;
  • power supply module 220V →12V;
  • USB cable;
  • BNC-BNC cable (length: 0,6 m) 2 pcs.;
  • terminal cable – 2 pcs.;
  • plug 2 pcs.

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