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Level Probe NRG 26-21

Instrumentation & Control Gestra
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The compact system NRG 26 -21 works according to the capacitance measurement principle. The NRG 26-21 is used for signalling different levels in electrically conductive and non-conductive liquids:

  • Water level maintained within the control band defined by two preset limits.

The NRG 26 -21 works with various GESTRA electronic devices.

Specifications

  • Measurement Principle: Capacitance measurement
  • Service Pressure: Up to 32 bar at 238°C
  • Connection: Screwed 3/4″, DIN ISO 228-1
  • Materials:
    • Terminal box: PPO (Noryl®)
    • Stem and measuring electrode: 1.4571 CrNiMoTi17-12-2
    • Electrode insulation: PTFE
  • Supply Voltage: 12 V DC
  • Response Sensitivity:
    • Range 1: Water ≥ 0.5 µS/cm
    • Range 2: Water ≥ 20 µS/cm
    • Range 3: Fuel oil EL εr 2.3
  • Protection: IP 65 to DIN EN 60529
  • Weight: Approx. 1.8 kg (for 1000 mm length)
  • Max. Ambient Temperature: 70°C

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