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General| Humidity | 0 to 95% RH, non-condensing |
|---|---|
| Enclosure Rating | IP66/NEMA 4X |
| Device Type | Infrared Gas Detector |
| Detection Principle | Infrared Absorption |
| Field of View | 90 degrees |
| Operating Temperature | -40°C to +70°C (-40°F to +158°F) |
| Storage Temperature | -55°C to +85°C |
| Power Supply | 24 VDC nominal (18 to 32 VDC) |
| Outputs | 4-20 mA, HART |
| Certifications | FM, CSA, ATEX, IECEx |
| Spectral Response | 3.3 to 3.5 microns |
Describes the detector's use for monitoring combustible hydrocarbon gases in the 0-100% LFL range.
Details technical parameters including input voltage, power consumption, detection range, gases, output, and operating conditions.
Explains the infrared absorption principle and how the detector uses modulated light and sensors.
Details the 4-20 mA signal proportional to gas concentration and its status indications.
Covers Warmup, Normal, Fault, and Calibration modes of detector operation.
Describes two types of junction boxes for PointWatch installation and calibration capabilities.
Procedure for selecting and calibrating the detector for different hydrocarbon gases.
Guidelines for installing the detector separately from the control device.
Lists the necessary tools and materials for calibrating the PointWatch detector.
Step-by-step guide for disassembling and cleaning the detector's optical components.
Instructions for removing and replacing the Infrared (IR) module.
Procedure for replacing the detector's base and wire assembly.
Lists global office locations for support and service inquiries.
Part numbers and specifications for ordering PointWatch detectors by material and thread type.
Details Factory Mutual Research Corporation (FMRC) approval for the detector and junction box.
Lists available attachments and options like enclosures, conduit types, and calibration kit components.
Notes on the detector's calibration capabilities as a standalone device or within a system.
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