PS1000W Vacuum Pressure Switch

The PS1000W is a weatherproof vacuum switch for control systems, with high set-point repeatability and a narrow dead band. The set point is easily adjusted without special tools.
NEMA 4 / 4X · IP66Adjustable range: −25 to −760 mmHgTemperature: −5 to 150°C
Features
- Diaphragm pressure element with SS316 wetted parts and a Viton O-ring.
- Painted die-cast aluminium-alloy housing.
- Repeatability: ±1% of full scale.
- One or two SPDT microswitches, with gold-contact options.
- Maximum proof pressure: 1000 psi.

Technical specifications
- Microswitch rating
- 15 A at 125/250 VAC; 0.4 A at 125 VDC; 3 A at 30 VDC.
- Gold-contact microswitch rating
- 1 A at 125/250 VAC.
- Process connections
- Female ½ inch or ¼ inch NPT, BSP or PT; M20 × P1.5.
- Conduit connections
- Female ¾ inch NPT, ½ inch NPT (standard), or M20 × P1.5.
- Dimensions
- 110 mm wide, 72 mm deep, 184.5 mm overall height. See drawing for mounting and connection dimensions.
Vacuum range and dead band
| Code | Adjustable range (mmHg) | Dead band (mmHg) | Maximum proof pressure (psi) |
|---|---|---|---|
| 1R | −25 to −760 | 10–20 | 1000 |
Configure your PS1000W
Select the ordering options and add your application details. Sightflow will confirm the final specification. Fields marked * are required.
