Description
Mechanical Micro Differential Pressure
Switch
Model:
AT****7DM
Introduction
AT****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 *5kPa.
Features
â– OEM service
â– Suitable for micro differential pressure
control
â– NBR diaphragm adopted
â– Three-diaphragm structure design
â– Set point field adjustment, adjustable range 0…0.2 to
*5kPa
â– Explosion-proof type available (option)
Main Specifications
â–¼Pressure connection
Material: aluminum alloy
Thread spec.: G1/4
â–¼Adjustable set point range
0…0.2~*5kPa
For detail please refer to adjustable set point range
table
â–¼Dead band
Fixed dead band
For detail please refer to adjustable set point range
table
â–¼Applicable fluid
Neutral gas and liquid
â–¼Ambient temperature
**0°C to **5°C
â–¼Fluid temperature
**0°C
â–¼Media viscosity
< 1 x ***3m2/S
â–¼Vibration-proof performance
*0m/s2
â–¼Protection level
IP*4
Other Specifications
â–¼Installation
Lower mount
â–¼Housing
Die casting aluminum
â–¼Measuring elements
Diaphragm
Diaphragm housing materialâ–¼
Die casting aluminum
Diaphragm body materialâ–¼
NBR
â–¼Switch type
SPDT micro switch
â–¼Switching frequency
*0/min
â–¼Repeatability
≤1%
â–¼Contact rating
Vmax= **0VAC, Imax= 6A
Pmax= **0VA
â–¼Max. operating pressure
**0kPa
â–¼Service life
1,**0,**0 cycles (**0 VAC /6A)
