Description

Mechanical Pressure Switch (High Switching Frequency Type) AT500-7 Series

Atlantis Mechanical pressure switch AT500-7D/7DK pressure switch adopt NBR or SS316L diaphragm pressure sensor. This ATLANTIS Mechanical Pressure Switch AT500-7D/7DK is suitable for neutral gas, hydraulic oil, lubricating oil and light fuel oil pressure monitor and control.

Features

• OEM service
• Suitable for low pressure control and monitor
• High sensitivity – switching frequency up to 40 times/sec
• Pressure sensor adopts NBR/SS316L diaphragm
• Fixed/adjustable/narrow fixed dead band types are available for wide applications
• Adjustable set point range 0 to 2.5MPa
• Protection level IP65
• Explosion-proof type available (option)

Main Specifications

• Type: AT500-7D (Normal), AT500-7DK (Narrow dead band)
• Pressure connection: Material: SS304 (standard), SS316／SS316L (option), Thread spec.: G1/4”(F)
  Other thread specification available upon request
• Adjustable set point range: 0…2.5 to 2500 kPa
  For detail please refer to adjustable set point range table
• Dead band: Fixed/Adjustable/Narrow fixed dead band
  For detail please refer to adjustable set point range table
• Applicable fluid: Liquid and gas that compatible with SS304
• Ambient temperature: -5°C to +40°C
• Media temperature: 0°C to +90°C
• Operating viscosity: < 1 x 10^-3m²/s
• Vibration resistance: AT500-7D: Max. 40m/s^2, AT500-7DK: Max. 20m/s²
• Protection level: IP65
• Explosion-proof level (option): Exed II CT5~T6

Other Specifications

• Installation: Bottom mount
• Case: Die casting aluminum
• Measuring elements: Diaphragm
  Diaphragm body material: NBR／SS316L, Diaphragm case material: Ly12／SS304
• Switch type: SPDT micro switch
• Switching frequency: 10 times／min, 40 times／min
• Max operating pressure: 0.05／1.5／4／5Mpa
  (Vary from set point range)
• Repeatability: ≤1.5%
• Contact rating: AC220V, 6A (resistive load)
• Service life: 2,000,000 cycles