HWF

Oil Filled - HART – FM

HWF

Oil Filled - HART – FM

Características principais
  • Pressure ranges from: 0-35 to 0-1000 bar / 0-500 to 0-15000 psi
  • Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
  • FM approval for potentially explosive atmospheres
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Especificações técnicas

Visão geral

The HWF series of Gefran are pressure transmitters with HART communication protocol for using in high temperature environment with explosive atmosphere presence.

The main characteristic of this series is the capability to read temperature of the media up to 315°C.

The constructive principle is based on the hydraulic transmission of the pressure.

The fluid-filled system assures the temperature stability. The physical measure is transformed in an electrical measure by means of strain-gauge technology.

The transmitters have been designed and manufactured according to FM standards with the following types of protection and features:

– Explosion-proof (XP) for Class I, Division 1, Groups A, B, C and D

– Dust-Ignition proof (DIP) for Classes II, III, Division 1, Groups E, F and G

– Indoor and outdoor areas classified as hazardous: Type 4X, IP67

– Rated ambient temperature of T5 Ta = -20°C to +85°C, T6 Ta = -20°C to +60°C

  • Pressure ranges from: 0-35 to 0-1000 bar / 0-500 to 0-15000 psi
  • Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
  • FM approval for potentially explosive atmospheres
  • 1/2-20UNF, M18x1.5 standard threads, mounting flange ø 66.3mm (2.61”)
  • Autozero function on board / external option
  • 17-7 PH corrugated diaphragm with GTP+ coating
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