Flameproof

Sentry Series

The model 721 Gas Filled Temperature Switch has a flexible thermal system and is suitable for setpoints between -50°C and 300°C with maximum working temperatures up to 310°C

 

 

Vlastnosti a výhody

• 1. Screwed lid and integral terminal block
     A screwed lid gives users quick access for connecting to the integral terminal block or for set-point adjustment.
  2. Better than 1% set-point repeatability
     Users can expect a set-point repeatability performance better than 1% on all configurations with some configurations being significantly better
  3. 5 year warranty
     A market leading 5 year warranty gives users peace of mind
  4. Safety
     All Sentry models come with a safety vent to prevent the enclosure becoming pressurized in the event that the sensor is inadvertently damaged by excessive pressure. In addition, the complete Sentry family has been assessed for use in SIL 2 safety related systems.

Based on the success of the “Industrial” range of process control instrumentation, Delta Controls has developed the “Sentry” range of Pressure, Differential Pressure and Temperature Switches.Designed for use in Zone 1 Hazardous Areas, Sentry combines economy, quality and performance.

With a better than 1% set-point repeatability and a market leading 5 year warranty, Sentry offers real value.

Users also benefit from a screwed lid and integral terminal block which provides quick and easy access for commissioning and set-point adjustment. The inclusion of a safety vent also protects users by preventing the enclosure becoming pressurised in the event that the sensor is inadvertently damaged by excessive pressure.

• Robust Flameproof, epoxy coated, aluminium housing approved to IP66 and NEMA 4X
• SPDT and DPDT switch contacts with environmentally and hermetically sealed options
• Stainless steel wetted parts as standard
• Better than 1% set-point repeatability
• Market leading 5 year warranty
• Pressure ranges from 0.4 to 700 bar (4 to 1500 psi)
• Pmax up to 1000 bar depending on range

 

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