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SG-IP-3L-2P Strain Gauge Amplifiers

Single channel strain gauge amplifier (3-wire) for parallel operating of 2 transducers

About the SG-IP-3L-2P Strain Gauge Amplifiers

The single-channel strain gauge measuring amplifier SG-IP-3L-2P (3-wire technology) allows supply and signal evaluation of up to two transducers with normalized sensitivity and a strain gauge full bridge greater than 300 ohms. For further evaluation a standard analogue output of 4 … 20 mA is available. Input and output are not galvanically isolated. 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.


Key features SG-IP-3L-2P

  • Supply voltage 22 - 26 VDC (no galvanic isolation)
  • Analogue output 4 - 20 mA
  • EMC aluminium die-cast enclosure (IP65)
  • Dimensions (W x H x D) 100 x 100 x 60 mm



Number of measuring channels
1 (full bridge resistance >300 Ω) Supply
22 - 26 VDC
Power consumption
4 W max.
Strain gauge excitation supply
10 VDC
Analogue output
4 - 20 mA, 500 Ω max.
Limit frequency (-3 dB)
1 kHz
Input resistance
>3 MΩ
Max. input sensitivity
100 mV/V at 10 VDC excitation supply
±0.05 % FSO
Electrical connection
EMC cable gland on internal terminal block
EMC aluminium die-cast enclosure (IP65)
Dimensions (W x H x D)
100 x 100 x 60 mm
525 g
Temperature, storage
-20 to +60 °C
Temperature, operating
0 to +50 °C
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