Switch
Explosion-proof Mechanical Pressure Switch (High Switching Frequency Type) AT500-7DEx
Explosion-proof Mechanical Pressure Switch (High Switching Frequency Type) AT500-7DEx
AT500-7DEx pressure switch adopt NBR or SS316L diaphragm pressure sensor. The pressure switch is suitable for neutral gas, hydraulic oil, lubricating oil and light fuel oil pressure monitor and control.
With its explosion-proof design, AT500-7DEx can apply to media measurement in hazardous environment.
With its explosion-proof design, AT500-7DEx can apply to media measurement in hazardous environment.
DETAIL
Model: AT500-7DEx
Introduction
AT500-7DEx pressure switch adopt NBR or SS316L diaphragm pressure sensor. The pressure switch is suitable for neutral gas, hydraulic oil, lubricating oil and light fuel oil pressure monitor and control. With its explosion-proof design, AT500-7DEx can apply to media measurement in hazardous environment.
Features
■ OEM service
■ Explosion-proof pressure switch
■ Suitable for low pressure control and monitor
■ High sensitivity - switching frequency up to 40 times/sec
■ Pressure sensor adopts NBR/SS316L diaphragm
■ Fixed/adjustable dead band types are available for wide applications
■ Adjustable set point range 0 to 2.5MPa
■ Protection level IP65
Main Specifications
▼Pressure connection
Material▼
SS304 (Standard)
SS316／SS316L (option)
Thread spec.: G1/4”(F)
Other thread specification available upon request
▼Adjustable set point range
0 to 2.5 to 2500kPa
For detail please refer to adjustable set point range
▼Dead band
Fixed/Adjustable dead band
For detail please refer to adjustable set point range
▼Applicable fluid
Liquid and gas that compatible with SS304
▼Ambient temperature
-5°C to +40°C
▼Media temperature
0°C to +90°C
▼Media viscosity
< 1 x 10-3m2/s
▼Vibration resistance
Max. 40m/s2
▼Protection level
IP65
▼Explosion-proof level
Exed II CT5~T6
Other Specifications
▼Installation
Bottom mount
▼Case material
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
DC250V, 0.25A (resistive load, @60Wmax)
AC250V, 5A (resistive load, @1250Wmax)
▼Service life
2,000,000 cycles
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