Capable of sensing very low positive or negative pressures, reliability and long life are inherent advantages of this design. Extremely easy set point adjustment: 1) Loosen the lock ring, 2) Turn interface either left or right until pointer is at the desire pressure or vacuum on range label, 3) Retighten the lock ring, and 4) Verify the adjustment by applying pressure or vacuum. See Switch Accessories at omega.com for Audible Alarms and Relay Modules.
Control Output
SPST Relay
Cycling
< 20 cycles/min
Insulation
PVC
Lead Length
12 in
Process Temperature, Max
105 °C
Process Temperature Note
-55 to 105°C (-65 to 221°F) [2% setpoint shift can occur below -25°C (-13°F) or above 50°C (122°F)]
Dwyer Omega – PSW 500 OEM Mechanical Pressure Switch with Relay or Alarm
Capable of sensing very low positive or negative pressures, reliability and long life are inherent advantages of this design. Extremely easy set point adjustment: 1) Loosen the lock ring, 2) Turn interface either left or right until pointer is at the desire pressure or vacuum on range label, 3) Retighten the lock ring, and 4) Verify the adjustment by applying pressure or vacuum. See Switch Accessories at omega.com for Audible Alarms and Relay Modules.
Control Output
SPST Relay
Cycling
< 20 cycles/min
Insulation
PVC
Lead Length
12 in
Process Temperature, Max
105 °C
Process Temperature Note
-55 to 105°C (-65 to 221°F) [2% setpoint shift can occur below -25°C (-13°F) or above 50°C (122°F)]
Switch Type
SPST
Wire Gauge
20 AWG
Wiring/Connector Table
Red = N/C, White = N/O, Black = Common
Process Connection Size
1/8 in
Enquiry for Dwyer Omega – PSW 500 OEM Mechanical Pressure Switch with Relay or Alarm
