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SG-KP Strain Gauge Amplifiers

Single Channel Strain Gauge Amplifier for DIN Top Hat Rail Mounting

About the SG-KP Strain Gauge Amplifiers

This single channel strain gauge amplifier SG-KP allows the supply and signal amplification of a strain gauge transducer. The connecting of the transducer which should have a full bridge resistance greater than 300 ohms, can be done in 4-wire-technology or by using a long connecting cable in 6-wire-technology. For further evaluation standard analogue outputs are available.

The measuring amplifier is installed into a plastic enclosure (IP20) which is intended for the top hat rail mounting.

The amplification can be adapted by an internal precision resistance.

The potentiometers Z (Zero) and G (Gain), which are accessible above the enclosure cover, allow a correction of the calibration. By means of an internal resistance, a change of the zero-range can be achieved.


Key features SG-KP

  • Supply voltage 10 - 18 VDC / 18 - 30 VDC
  • Analogue output 0 - 10 V / ±10 V / 4 - 20 mA
  • Plastic enclosure (IP20) for DIN-top hat rail mounting
  • Dimensions (W x H x D) 23 x 99 x 115 mm



Number of measuring channel
1 (full bridge resistance >300 Ω)
Supply voltage
10 - 18 VDC, 18 - 30 VDC, electronics protected against voltage reversal
Isolating proof voltage input to output
200 V (higher isolated proof voltage on request)
Power consumption
max. 5W
Strain gauge excitation supply
±2.5 VDC / ±5 VDC
Analog output
0 - 10 V / ±10 V, max. 1 mA (short-period short-circuit proof) 4 - 20 mA, max. 500 Ω
Limit frequency (-3 dB)
1 kHz, shiftable low-pass filter of 10 Hz per DIP-switch
Input resistance
>3 MΩ
Max. input sensitivity
100 mV/V at ±5 VDC excitation supply
±0.05 % FSO
Electrical connections
Pluggable screw clamp
Plastic enclosure for top hat rail mounting (IP20)
Dimensions (W x H x D)
23 x 99 x 115 mm
approx. 150 g
Storage temperature
-20 to +60 °C
Operating temperature
0 to +50 °C
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