1. Althen Sensors
  2. Instrumentation
  3. Amplifiers & indicators
  4. Strain gauge amplifiers
  5. SG-IP-3L-2P Strain Gauge Amplifiers

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

 

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Technical Specifications

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