Fixed Gas Detection System · Gas Detection
GfG Instrumentation CI-21 NO2-B is listed in this library as a marine gas-detection instrument or system in the Gas Detection / Fixed Gas Detection System category. Equipment of this class is typically installed at fixed sampling points, machinery and cargo spaces, accommodation boundaries, or as a portable unit carried by personnel according to the detection duty. Its shipboard purpose is to warn personnel of hazardous gas concentrations, oxygen deficiency or enrichment, or combustible atmosphere conditions. The exact piping, electrical, control, foundation, and accessory arrangement depends on the vessel and the installed configuration. Where adjacent models in the same product family differ in rating, size, materials, control options, certification, or accessories, refer to the manufacturer documentation for the exact model-specific differences.
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What our service work and the manufacturer documentation say about keeping this model running.
Inspect sensor condition, sampling paths and filters, pump operation where fitted, battery or power supply, alarms, relays, display, identification of sampling points, and calibration records. Perform bump tests and calibration only with approved gas and according to the manufacturer and vessel safety procedure.
Keep approved sensors or sensor cartridges, filters, pump or tubing service items, batteries or charging accessories, calibration fittings, and critical fuses or interface parts recommended for the system.
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