Sorry, this family of products is no longer available. The recommended replacement product is 41c-single-end-pressure-switch.
The 41B Single-end 10 - 26,000 Torr Pressure Switch offers accurate and reliable protection for vacuum vacuum/pressure processes. The 41B is referenced to atmospheric pressure. The trip point on can be set to trip above, below (reverse calibration), or exactly at current atmospheric pressure.
Specifications
- TypeBaratron® Vacuum Pressure Switch
- ConfigurationSingle-Ended
- Accuracy±0.5% of Full Scale (± temperature coefficient)
- Trip Point Range5% to 100% of Full Scale
- Trip Point Dead Band±3% of Full Scale
- Response Time<20 msec
- Internal Volume3.3 cc
- Temperature Coefficient±0.07% of Full Scale/°C
- Materials Exposed to Process GasesInconel and 316L stainless steel
- Overpressure2 x Full Scale or 45 psia, whichever is greater
- OutputsElectromechanical relay - SPDT (isolated) contacts rated up to 1 Amp @ 30 VDC resistive.
- Power Requirements20 - 30 VDC
- Ambient Operating Temperature0 - 50°C
- ComplianceCE Compliant to EMC Directive 2004/108/EC
Features
9-pin Type “D” Pinouts
| Pin | Description |
|---|---|
| 1 | Power Return (-) |
| 2 | Power Input (+) |
| 3 | Relay NO Contact |
| 4 | Relay Common |
| 5 | Relay NC Contact |
| 6 | Unused |
| 7 | Unused |
| 8 | Unused |
| 9 | Chassis Ground |
Flying Lead Wiring
| Wire | Description |
|---|---|
| Red | Power Input (+) |
| Black | Power Return (-) |
| Green | Relay NO Contact |
| White | Relay Common |
| Orange | Relay NC Contact |
| Bare Wire | Chassis Ground |

