CPW Water pressure sensor

Description

The CPW-1 water pressure sensor is designed to signal when the water pressure exceeds a set value in underground fire-supply pipeline installations.

In the CPW-1G version, the sensor is adapted for operation with liquefied gas media (FE-36 gas).

The applied structural solutions allow the sensor to function in systems supplied with fire-suppression pipeline water of varying levels of contamination.

Specification

  • Designed for operation in harsh underground mining environments
  • Measuring range: 0.1 – 3.0 MPa
  • Capable of operating with contaminated media

Metrological parameters

       

- Measuring range

  

0.1 – 3 MPa

- Maximum pressure

  

6 MPa

- Threshold pressure setting accuracy

  

1%

- Hysteresis

  

5% of the set pressure threshold

Electrical parameters

    

- Output signal

  

Changeover contact 2 A / 30 V or contact-controlled resistance (custom configuration)

Operating conditions

    

- Optimal operating temperature

  

5 – 60°C

- Medium

  

CPW-1: Water, oil, compressed air, oil-water emulsion

CPW-1G: Liquefied gas (FE-36)

- Permissible input parameters

  

Uᵢ = 30 V DC, Iᵢ = 2 A, Lᵢ = 7 µH

Mechanical parameters

    

- Overall dimensions

  

Ø40 × 143 mm

- Weight

  

Approx. 0.4 kg

- Enclosure protection rating

  

IP65

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