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Series 21 C Piezoresistive Pressure Transmitter

Series 21 C Piezoresistive Pressure Transmitter

Brand: Keller America

The C-series transmitters are noted for their ability to deliver high accuracy over a wide temperature range. 

This is achieved by means of mathematical modelling of the sensor characteristics and digital compensation. 

In order to do this, each transmitter is gauged over pressure and temperature, programmed and checked after calibration in the same test set-up.

The modular design of the Series 21 C and the extensive vertical range of in-house manufacture provide a high degree of flexibility. 

The company can quickly adapt to customer requests, even with large production batches. 

The extensive standard range of connectors and pressure connections means that a CIO measuring cell (Chip-in-Oil) can be quickly welded in from stock if small numbers are involved, and then calibrated to the required temperature range.
Features
  • Hermetically sealed electronics, extremely compact design
  • No internal seals, all made from AISI 316L steel in media contact, IP67
  • Extremely accurate, wide temperature range, outstanding long-term stability, no pressure hysteresis
  • Ratiometric signal output, 5 V supply voltage, 24 V overvoltage and polarity reversal protection
  • Low cost

Specifications

Pressure Range

  • 2 to 100 bar

Output

  • 0.5 - 4.5 V Ratiometric

Accuracy

  • Maximum ± 0.25 % Full Scale

Total Error Band

  • Maximum ± 1.0 % Full Scale at 0° to 50° C

Environmental Protection

  • IP67
  • IP65

Certifications & Approvals

  • EMC
  • RoHS

Material of Construction

  • AISI 316L Steel

Fill Fluid

  • Silicone Oil

  • Cooling and Air Conditioning Systems
  • Pneumatic Systems
  • Hydraulic Systems
  • Compressors
  • Mechanical Engineering
  • Ventilation Systems
  • Pump Systems etc.

Documentation

Brand-Managed Distributed Enterprise Catalogs (DEC)
for Authorized Channel Partners
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