PS1000X Vacuum Pressure Switch

The PS1000X is an explosion-proof vacuum switch for control systems, with high set-point repeatability and a narrow dead band. The set point is easily adjusted without special tools.
Explosion proof · IP68Adjustable 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; SS316 available with type B1.
- Repeatability: ±1% of full scale.
- One or two SPDT microswitches, with gold-contact and hermetically sealed 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.
- Hermetically sealed switch rating
- 5 A at 250 VAC.
- Process connections
- Female ½ inch or ¼ inch NPT, BSP or PT; M20 × P1.5.
- Conduit connections
- Female ¾ inch NPT (standard), ½ inch NPT, or M20 × P1.5.
- Dimensions
- Type A: 145 mm wide, 108 mm deep, 185.5 mm overall height. Dimensions for types B/B1, E, X, J, R and U on request.
Explosion-proof type / housing
| Code | Certification / housing | Classification |
|---|---|---|
| A | FM — housing only / aluminium alloy | Class I, Groups A, B, C & D; Class II, Groups E, F & G; Class III; NEMA 4X. Certificate on housing only. |
| B | Taiwan certification / aluminium alloy | Ex d IIB + H2 T6 Gb. |
| B1 | Taiwan certification / SS316 | Ex d IIB + H2 T6 Gb. |
| E | IECEx / aluminium alloy | Ex db IIB + H2 T6 Gb; Ex tb IIIC T85°C Db. |
| X | ATEX / aluminium alloy | II 2 G D Ex db IIB + H2 T6 Gb; II 2 G D Ex tb IIIC T85°C Db. |
| J | Japan certification / aluminium alloy | Ex d IIB + H2 T6 Gb; Ex t IIIC T85°C Db. |
| R | EACEx / aluminium alloy | 1Ex d IIB + H2 T6 Gb X; Ex tb IIIC T85°C Db. |
| U | UL certification / aluminium alloy | Class I, Groups A, B, C & D; Class II, Groups E, F & G. |
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 PS1000X
Select the ordering options and add your application details. Sightflow will confirm the final specification. Fields marked * are required.
