Measuring amplifier CV 22

Measuring amplifier CV 22
Product description
  • Used for connecting two fabric tension sensors with a strain gauge bridge
  • Single-channel measuring amplifier for connecting two fabric tension sensors with a strain gauge bridge
  • Precision instrument amplifier with low temperature drift, high long-term stability and excellent linearity
  • With potentiometer for zero point and tare adjustment as well as amplification setting
  • Internal reference voltage for measuring amplifier calibration without reference weights given exact knowledge of the wrapping angle and mounting position
Technical Specifications
Accuracy class 0.1
Amplification range 990 to 3400 V/V, 400 to 1250 V/V, 600 to 2050 V/V, 300 to 1025 V/V
Input voltage 0 to ±20 mV
Output signals Voltage 0 to ±10 V (rise time 5 ms)
Output signals Voltage filtered 0 to ±10 V  (rise time 2s)
Output signals, current 0/4 mA to 20 mA
Current 0.2 A
Nominal temperature +0 °C to +60 °C 
Temperature coefficient of the nominal value ±3% / 10 K 
Temperature coefficient of the zero signal ±3% / 10 K 
Temperature coefficient of the bridge voltage ±0.04% / 10 K 
Operating voltage, nominal value 24 V DC
Operating voltage, nominal range 20 to 30 V DC
Bridge supply voltage, nominal value 10 V DC
Bridge supply voltage, nominal range 9 to 13 V DC
Protection class, top-hat rail mounting in acc. with DIN EN 50022 IP 00
Protection class, top-hat rail mounting with housing IP 54
Weight 0,13 kg
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  • Data Sheet
  • Brochure ELSTRETCHER
  • Brochure ELTENS