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Mechanical Pressure Switch (High Switching Frequency Type) AT500-7 Series
Mechanical Pressure Switch (High Switching Frequency Type) AT500-7 Series
AT500-7D/7DK pressure switch adopt NBR or SS316L diaphragm pressure sensor. This pressure switch is suitable for neutral gas, hydraulic oil, lubricating oil and light fuel oil pressure monitor and control.
DETAIL
Model: AT500-7 Series
Introduction
AT500-7D/7DK pressure switch adopt NBR or SS316L diaphragm pressure sensor. This pressure switch 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/s2
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
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