SG-IP-4P Strain Gauge Amplifiers

Single channel strain gauge amplifier for parallel operating of up to 4 transducers

About the SG-IP-4P Strain Gauge Amplifiers

This single channel strain gauge measuring amplifier SG-IP-4P allows supply and signal evaluation of up to four transducers with normalized sensitivity and a strain gauge full bridge greater than 300 ohms. Input and output are galvanically isolated. 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 an internal dip switch, a change of range of the potentiometer Z (zero) can be reached. To allow a zero range shift, a basic load / tare can be suppressed by a resistance electrically.

 

Key features SG-IP-4P

  • Supply voltage 10 - 18 VDC / 18 - 30 VDC
  • Analogue output 0 - 10 V, ±10 V, 4 - 20 mA
  • EMC aluminium die-cast enclosure (IP65)
  • Dimensions (W x H x D) 220 x 120 x 80 m

Specifications

Number of measuring channels
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
8 W, max.
Strain gauge excitation supply
±2.5 VDC, ±5 VDC
Analogue 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, optional up to 30 kHz
Input resistance
>3 MΩ
Max. input sensitivity
100 mV/V at ±5 VDC excitation supply
Non-linearity
±0.05 % FSO
Electrical connection
EMC cable gland on internal terminal block
Enclosure
EMC aluminium die-cast enclosure (IP65)
Dimension (B x H x D)
220 x 120 x 80 mm
Weight
1650 g
Temperature, storage
-20 to +60 °C
Temperature, operating
-20 to +50 °C
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