Switch
Mechanical Micro Differential Pressure Switch AT520-7DM
Mechanical Micro Differential Pressure Switch AT520-7DM
AT520-7DM micro differential pressure switch adopts NBR diaphragms as pressure sensors, which is suitable for neutral gas and liquid micro differential pressure control and monitor.
Adjustable set point range 0⋯0.2 to 25kPa.
Adjustable set point range 0⋯0.2 to 25kPa.
DETAIL
Model: AT520-7DM
Introduction
AT520-7DM micro differential pressure switch adopts NBR diaphragms as pressure sensors, which is suitable for neutral gas and liquid micro differential pressure control and monitor. Adjustable set point range 0⋯0.2 to 25kPa.
Features
■ OEM service
■ Suitable for micro differential pressure control
■ NBR diaphragm adopted
■ Three-diaphragm structure design
■ Set point field adjustment, adjustable range 0⋯0.2 to 25kPa
■ Explosion-proof type available (option)
Main Specifications
▼Pressure connection
Material: Stainless steel
Thread spec.: G1/4”
▼Adjustable set point range
0…0.2~25kPa
For detail please refer to adjustable set point range table
▼Dead band
Fixed dead band
For detail please refer to adjustable set point range table
▼Applicable fluid
Neutral gas and liquid
▼Ambient temperature
-10°C to +55°C
▼Fluid temperature
+90°C
▼Media viscosity
< 1 x 10-3m2/S
▼Vibration-proof performance
10m/s2
▼Protection level
IP54
Other Specifications
▼Installation
Lower mount
▼Housing
Die casting aluminum
▼Measuring elements
Diaphragm
Diaphragm housing material▼
Die casting aluminum
Diaphragm body material▼
NBR
▼Switch type
SPDT micro switch
▼Switching frequency
10/min
▼Max. operating pressure
160kPa
▼Repeatability
≤1%
▼Contact rating
Vmax= 380VAC, Imax= 6A, Pmax= 600VA
▼Service life
1,000,000 cycles (200 VAC /6A)
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