Description

Mechanical Pressure Switch (General Application Type) AT511-7 Series

Atlantis mechanical pressure switch AT511-7 adopts SS316L bellow/diaphragm as measuring elements. ATLANTIS Mechanical Pressure Switch AT511-7 is suitable for corrosive gas and liquid measurement.

Features

• OEM service
• Measuring elements adopt SS316L bellow (diaphragm available upon request)
• Wide operating temperature: -40 to 50℃
• Adjustable set point range -0.1 to 6.3MPa
• Suitable for using in corrosive media
• Fixed/adjustable/narrow fixed dead band types are available for wide applications
• Protection level IP65
• Explosion-proof type available (option)

Main Specifications

• Type: Normal: AT511-7D, Narrow dead band: AT511-7DK
• Pressure connection, Material: Stainless steel, Thread spec.: G1/2”
• Adjustable set point range: -1…0 to 6.3MPa
  For detail please refer to adjustable set point range
• Dead band: Fixed/Adjustable/Narrow fixed dead band
  For detail please refer to adjustable set point range
• Applicable fluid: Corrosive liquid and gas that compatible with SS316L
• Ambient temperature: -40°C to +50°C
• Media temperature: 0°C to +120°C
• Media viscosity: < 1 x 10-3m²/s
• Vibration-proof performance: AT500-7D: Max. 40m/s²  , AT500-7DK: Max. 20m/s²
• Protection level: IP65

Other Specifications

• Installation type: Bottom mount
• Case: Die casting aluminum
• Measuring elements: Bellow (standard) / Diaphragm (option), All wetted part adopts SS316L, the others adopts SS321
• Switch type: SPDT micro switch
• Switching frequency: 20 times/min
• Max operating pressure: 1／2／5／8.5MPa
  (Vary from adjustable set point range)
• Repeatability: ≤1%
• Contact rating: AC220V, 6A (resistive load)
• Service life: 2,000,000 cycles