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This pressure switch trips across a -28 to 1.6 inHg (-0.95 to 0.05 bar) set range on a 5 A SPST contact. It connects through a 1/4" VCR port in a sealed industrial body. It suits analytical instrument pressure sensing and vacuum line monitoring and alarming.
This pressure switch trips across a -28 to 1.6 inHg (-0.95 to 0.05 bar) set range on a 5 A SPST contact. It connects through a 1/4" VCR port in a sealed industrial body. It suits analytical instrument pressure sensing and vacuum line monitoring and alarming.
The PSW-690 Series comprises pressure and vacuum switches for vacuum to 500 psi (34 bar) service.
Features
Applications
| Series | PSW-690 Series |
| Type | pressure switch |
| Pressure type | Vacuum |
| Switch | (1) 5 A SPST |
| Set point range | -28 to 1.6 inHg (-0.95 to 0.05 bar) |
| Adjustability | Fixed |
| Pressure connection | 1/4" (6.3 mm) VCR |
| Process Temperature | -65 to 225°F (-54 to 107°C); setpoint change of up to 2% of sensor capacity may be anticipated when switch is used either below -23°C or above 51°C |
| Cycling | Not to exceed 20 cycles/min, 1 million cycles |
| Proof Pressure | 150% maximum pressure |
| Wetted Parts | 17-7 pH electron beam welded, 303 SS fitting |
| Enclosure | 303 Stainless Steel body, zinc alloy with chromate finish locking ring and switch housing, valox cap |
| Pressure Port | 1/8-27 MNPT or 1/4" (6.4 mm) VCR |
| Electrical | 12" (30.5 cm) pigtail leads, 20 AWG, polyvinyl insulated |
| Pressure Range | Vacuum to 500 psi (34.47 bar) |
| Wetted Parts Construction | All Stainless Steel Wetted Parts |
| Sensing Element | Capsule, Electron Beam Welded |
| Helium Leak Tested | 4 x 10-9 STd CC/sec |
| Process Temp | -65 to 225°F (-54 to 107°C); setpoint change of up to 2% of sensor capacity may be anticipated when switch is used either below -23°C or above 51°C |
| Enclosure Rating | NEMA 4 Enclosure |
| Switch Options | Available with 1 or 5 A Switch |
| Wiring Code, Pressure Switch | Black = Common, Red = N/C, White = N/O |
| Wiring Code, Vacuum Switch | Black = Common, Red = N/O, White = N/C |
| Dimensions | 2 x 1.125" (51 x 29 mm) length x diameter with NPT fitting; 2.375 x 1.125" (60 x 29 mm) length x diameter with VCR fitting |
| Weight | Approximately 3 oz (85 g) |
| Series | PSW-690 Series |
| Type | pressure switch |
| Pressure type | Vacuum |
| Switch | (1) 5 A SPST |
| Set point range | -28 to 1.6 inHg (-0.95 to 0.05 bar) |
| Adjustability | Fixed |
| Pressure connection | 1/4" (6.3 mm) VCR |
| Process Temperature | -65 to 225°F (-54 to 107°C); setpoint change of up to 2% of sensor capacity may be anticipated when switch is used either below -23°C or above 51°C |
| Cycling | Not to exceed 20 cycles/min, 1 million cycles |
| Proof Pressure | 150% maximum pressure |
| Wetted Parts | 17-7 pH electron beam welded, 303 SS fitting |
| Enclosure | 303 Stainless Steel body, zinc alloy with chromate finish locking ring and switch housing, valox cap |
| Pressure Port | 1/8-27 MNPT or 1/4" (6.4 mm) VCR |
| Electrical | 12" (30.5 cm) pigtail leads, 20 AWG, polyvinyl insulated |
| Pressure Range | Vacuum to 500 psi (34.47 bar) |
| Wetted Parts Construction | All Stainless Steel Wetted Parts |
| Sensing Element | Capsule, Electron Beam Welded |
| Helium Leak Tested | 4 x 10-9 STd CC/sec |
| Process Temp | -65 to 225°F (-54 to 107°C); setpoint change of up to 2% of sensor capacity may be anticipated when switch is used either below -23°C or above 51°C |
| Enclosure Rating | NEMA 4 Enclosure |
| Switch Options | Available with 1 or 5 A Switch |
| Wiring Code, Pressure Switch | Black = Common, Red = N/C, White = N/O |
| Wiring Code, Vacuum Switch | Black = Common, Red = N/O, White = N/C |
| Dimensions | 2 x 1.125" (51 x 29 mm) length x diameter with NPT fitting; 2.375 x 1.125" (60 x 29 mm) length x diameter with VCR fitting |
| Weight | Approximately 3 oz (85 g) |
