Gas Detection
Honeywell Analytics / Honeywell
Refurbished
Manufacturer: Honeywell Analytics / Honeywell
Country of Origin: United Kingdom
Product Type: Fixed Infrared Hydrocarbon Gas Detector
Marine Application: Methane and hydrocarbon gas leak detection in engine rooms, cargo spaces, pump rooms, compressor areas, gas valve rooms, offshore skids, and hazardous marine zones
The equipment shown in your photos is the Honeywell Searchpoint Optima Plus, a well-known fixed infrared point gas detector used for hydrocarbon and methane gas detection in hazardous industrial and marine environments. Your box label and sensor body markings show Searchpoint Optima Plus with Optima P/N 2108B2001N and gas type: Methane 0–100 %LEL.
This detector is designed to continuously monitor flammable hydrocarbon gas concentration and send a signal to the vessel’s gas detection panel, safety PLC, or alarm monitoring system. On ships and offshore units, it is used where methane, LNG boil-off gas, hydrocarbon vapour, or fuel gas leakage must be detected quickly and reliably.
Honeywell describes Searchpoint Optima Plus as an infrared point hydrocarbon gas detector certified for use in potentially explosive atmospheres, with fail-safe operation and lower routine maintenance compared with catalytic detectors.
The Honeywell Searchpoint Optima Plus is a fixed point infrared gas detector for detecting flammable hydrocarbon gases. In your unit’s case, it is configured for methane detection in the 0–100 %LEL range.
Instead of using a catalytic bead sensor, this detector uses infrared absorption technology. That gives several advantages in marine and offshore service:
Honeywell’s operating documentation confirms that Searchpoint Optima Plus is available for a range of hydrocarbon gases and communicates with handheld / HART tools for diagnostics, calibration, and configuration.
Designed for methane and other hydrocarbon gases depending on the configured version.
Your box label clearly indicates Methane 0–100 %LEL, making it suitable for flammable gas safety monitoring.
Used in permanent gas detection systems rather than portable gas testing.
One of the major reasons Searchpoint Optima Plus is widely used in offshore and marine installations.
Honeywell documentation confirms support for HART-enabled diagnostics and commissioning depending on version.
The Searchpoint Optima Plus detector assembly generally includes:
Your package label also mentions accessories such as hydrophobic barrier and weather protection / deluge-related fittings, which are common in outdoor or offshore installations.
The Honeywell Searchpoint Optima Plus is commonly used in:
On gas-related vessels and offshore units, this detector is important because it helps provide early warning of methane or hydrocarbon gas leakage before the concentration reaches dangerous levels.
Possible causes: loss of power, wiring fault, internal electronics fault, failed termination connection.
Checks: verify supply voltage, loop wiring, controller input, and detector status using approved diagnostic method.
Possible causes: dirty optics, contamination, water ingress, wrong calibration, harsh environmental exposure.
Checks: inspect sensor face, verify calibration status, check for contamination or water damage.
Possible causes: blocked sensor path, wrong test gas, expired calibration, sensor fault, wiring/configuration issue.
Checks: confirm correct methane calibration gas, verify output loop response, inspect optical path and accessories.
Possible causes: wrong connection method, incompatible configuration, cable issue, non-HART setup.
Checks: verify detector version, communication wiring, and Honeywell-approved configuration method.
Possible causes: ageing optics, electronics failure, corrosion, moisture ingress, damaged accessories.
Checks: inspect physical condition, review service history, compare with Honeywell maintenance instructions.
For marine and offshore use, it is very important not to mix up methane, hydrocarbon, and other gas-calibrated versions when ordering spares.
Ships and offshore units continue to use Honeywell Searchpoint Optima Plus because it is a proven fixed IR gas detector for hazardous hydrocarbon service. It offers reliable methane / hydrocarbon leak detection, lower maintenance than catalytic detectors, and good compatibility with fixed gas detection systems already installed on many vessels and offshore platforms.
Your unit label shows Methane 0–100 %LEL.
Yes. It is a fixed infrared hydrocarbon gas detector used in permanent safety systems.
It can be used in engine rooms, gas valve rooms, cargo areas, compressor spaces, LNG / dual-fuel areas, and other hazardous marine zones.
Yes. It is designed for routine testing, calibration, and diagnostics using Honeywell-approved methods and accessories.
Please send:
The Honeywell Searchpoint Optima Plus is a fixed infrared hydrocarbon gas detector used in marine and offshore gas detection systems. The unit shown here is configured for methane 0–100 %LEL monitoring and is suitable for hazardous areas where early detection of flammable gas leaks is critical. It remains a highly relevant spare part for shipboard gas detection, LNG / dual-fuel safety systems, and offshore hydrocarbon monitoring.
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