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SG-2K-IP Strain Gauge Amplifiers

Dual channel strain gauge amplifier

About the SG-2K-IP Strain Gauge Amplifiers

The dual-channel strain gauge measuring amplifier SG-2K-IP allows supply and signal evaluation of two connected transducers with 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 application in rough and industrial environments.

The amplification/channel of the amplifier can be adapted by an internal precision resistance.

The potentiometers Zx (Zero) and Gx (Gain) which are accessible after removing the enclosure cover allow a calibration correction for each channel.

By the means of an internal dip switch/channel a change of the range of the potentiometer Zx (zero) can be reached. To allow a zero range shift a basic load / tare can be suppressed by a resistance electrically.

 

Key features SG-2K-IP

  • 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 140 x 70 mm
  • Galvanically isolated

Specificaties

Number of measuring channels
2 (full bridge resistance >300 Ω)
Supply voltage
10 - 18 VDC, 18 - 30 VDC, electronics protected against reversal voltage
Isolating proof voltage input to output
200 V (higher isolated proof voltage on request)
Power consumption
max. 5 W
Strain gauge excitation supply
+5 VDC, +10 VDC
Analogue output
0 - 10 V, ±10 V, max. 1 mA (short-period short-cicuit 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 10 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 140 x 70 mm
Weight
approx. 1500 g
Temperature, storage
-20 to +60 °C
Temperature, operating
-20 to +50 °C
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