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SGM-IP Strain Gauge Amplifiers

Miniature single channel strain gauge amplifier

About the SGM-IP Strain Gauge Amplifiers

The single-channel strain gauge measuring amplifier SGM-IP allows supply and signal evaluation of a transducer with a strain gauge full bridge greater than 300 ohms. The connection is done in 4-wire technology. For further evaluation standard analogue outputs are available. The measuring amplifier is built-in into a robust EMC die-cast aluminium enclosure (IP65) which is suited for applications in rough and industrial environments.

The amplification can be adapted by an internal precision resistance. The potentiometers Z (Zero) and G (Gain), which are accessible after removing the enclosure cover, allow a calibration correction. By means of 4 jumpers, a change of the potentiometer range Z (zero) can be achieved.


Key features SGM-IP

  • Supply voltage 12 VDC, 24 VDC
  • Analogue output 0 - 10 V, ±10 V
  • EMC aluminium die-cast enclosure (IP65)
  • Dimension (W x H x D) 97 x 63 x 35 mm


Number of measuring channels
1 (full bridge resistance >300 Ω)
Supply voltage
24 VDC ±5 %, 12 VDC ±5 %, electronics protected against voltage reversal
Isolating proof voltage input to output
200 V, higher isolated proof voltage on request
Power consumption
3 W max.
Strain gauge excitation supply
2.5 VDC, 5 VDC, 10 VDC
Analogue output
0 - 10 V, ±10 V, max. 1 mA (short-period short-circuit proof)
Limit frequency (-3 dB)
100 Hz
Input resistance
>3 MΩ
Max. input sensitivity
25 mV/V at 10 VDC excitation supply
±0.05 % FSO
Electrical connection
Supply voltage/Analogue output: 3 m connecting cable type LiYCY (TP) 2x2x0.25 mm² | Transducer: Connection via a 5-pin connector type Binder Series 423
EMC aluminium die-cast enclosure (IP65)
Dimension (W x H x D)
97 x 63 x 35 mm
500 g incl. connecting cable
Temperature, storage
-20 to +60 °C
Temperature, operating
-20 to +50 °C
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