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Pilot Monitor (PM)
Brand: Williamson Corporation
Flammable vent gasses are ignited by a pilot flame when released into the atmosphere by chemical and petrochemical plants of all types.
The proper incineration of these gasses is a critical safety and environmental concern. Therefore, it is essential to confirm that the pilot is lit at all times.
Monitoring via thermocouple is common, however failures frequently occur and replacements can require costly process shutdowns.
The Williamson Pilot Monitor (PM) utilizes proven dual-wavelength technology to sense the presence of the small, distant pilot flame.
This technology allows the pilot monitor to view clearly through severe weather conditions caused by fog, wind, rain, snow and sleet.
Features- Self-regulating means no on-site calibration
- May be grade-mounted for easy access
- 30% greater sensitivity means greater reliability
- Includes Signal Dilution output for measurement validation and diagnostics
- Large viewing area for easy alignment
Specifications
Brand
Output Scale
- 0 to 100 %
Spectral Response
- Proprietary Narrow Wavebands
Optical Resolution
- D/35 or D/75
Maximum Distance
- 2,000 ft, 610 m
Response Time
- Adjustable 0.1 to 24 s
Analog Output
- 4-20 mA
- 0-20 mA
Alarm
- Sensor: One SPST Relay ALarm Output 2 A @ 120 or 250 Vac
Digital Interface
- Bi-Directional RS-485 and RS-232 Communcations
Human Interface
- Built-in Menu System with Access to Signal Conditioning, Programmable Outputs & Alarms
Measurement Parameter
- Filtered Signal
- Unfilterred Signal
- Signal Dilution
- Ambient Temperature
Ambient Temperature
- Sensor: -40° to 150° F (-40° to 65° C)
Environmental Protection
- IP65
- NEMA 4X
Certifications & Approvals
- CE
- LVD