Searchpoint Optima Plus Point Infrared Gas Detector 

Take advantage of HART communication added to the proven performance of the market-leading hydrocarbon point infrared gas detector

With over 40 years experience in the design, manufacture, installation and maintenance of point infrared gas detection, Honeywell Analytics currently has a worldwide installed base of over 100,000 infrared point hydrocarbon gas detectors in a wide spectrum of applications from light industrial to the most demanding of offshore environments.

Searchpoint Optima Plus is an infrared point Hydrocarbon gas detector certified for use in potentially explosive atmospheres. The unit’s infrared detection principle offers the fastest speed of response and fail-to-safe operation, ensuring that your plant is compliant, your personnel are protected and your production process can deliver maximum uptime. Reduced routine maintenance, when compared with conventional electro-catalytic based gas detectors, provides low ongoing cost of ownership. The development of advanced internal fault diagnostics and false alarm rejection algorithms ensures that the Searchpoint Optima Plus delivers the highest level of operational integrity.




Typical Applications

Offshore oil and gas platforms, floating production storage and offloading (FPSO) vessels, tankers, onshore oil and gas terminals, refineries, LNG/LPG bottling plants, gas compressor/metering stations, gas turbine power plants, solvent printing and coating plants.

Over 100 gas and vapor calibrations available. For a list of gases and vapours which Searchpoint Optima Plus can detect, contact your local distributor.

Features & Benefits Accessories Technical Library Image Gallery

Why Searchpoint Optima Plus is the right choice...


  • Experience gained from over 100,000 units installed worldwide
  • Improved reliability
  • Optional HART® over 4-20mA output
  • Can detect a wide range of hydrocarbon gases including solvents
  • Increased reliability with no moving parts
  • Increased stability from self compensating optics
  • Immune to long term component drift
  • Remote functional gas test facility
  • Certified for North American and European Hazardous areas
  • Increased false alarm rejection
  • Increased uptime with contaminated optics warning
  • Dynamic Heating Control ensures condensation free optics
  • No undetected failures
  • Improved diagnostics
  • Integral event logging
  • Reduced power consumption
  • Certified to many hazardous area classification schemes including: UL, CSA, ATEX, IECEx and more

Why Infrared?

  • Failsafe operation
  • Fast speed of response
  • Reduced routine maintenance
  • Immune to catalytic poisons
  • Long operating life
  • Works in inert atmospheres






Sunshade / Deluge Protection
This multi-purpose accessory supplied as standard shields Searchpoint Optima Plus from the extremes of operational environments ensuring reliable operation.


Storm Baffle
This optional baffle reduces wind chill, salt and dust build-up in exposed 

applications subjected to high wind speeds e.g. Offshore HVAC intakes and FPSO turrets etc.


Standard Weather Protection

This accessory supplied as standard, offers the best compromise between water / dust ingress and speed of response.


Dust Barrier
This optional barrier fitted inside the standardweather protection provides additional protection against the ingress of dust and contamination entering the optical path.


Gassing Cap
The gassing cap enables confidence checking of the Searchpoint Optima Plus. It provides a close fit onto the standard weather protection and can be installed without the use of any special tools.


Termination / Mounting


DVC / DX-100(I)

These hazardous area certified enclosures are used to terminate Searchpoint Optima Plus field cabling and provides an interface for the Hand Held Interrogator (SHC-1) via an intrinsically safe connection socket. This provides

in-situ one-man maintenance without the need for a hot work permit. 

Used in conjunction with a remote gas test point this provides the best solution

for checking sensors in remote locations.


DVC / DX-100(M) Modbus Interface Module
Provides a multi drop Modbus RS485 interface for the Searchpoint Optima Plus and Searchline Excel infrared gas detection products. Reduces servicing and maintenance costs.


Certified Junction Boxes
A full range of hazardous area certified Exe and Exd junction boxes are 



Field Interrogation


Multi Purpose Hand Held Interrogator (SHC-1)
This versatile commissioning / maintenance tool is certified for hazardous areas and used to reconfigure Searchpoint Optima Plus for different gases and fault diagnostics. The same interrogator can be used with the original Searchpoint Optima and Searchline Excel (open path gas detector) reducing operator training.


SHC-1 Protection Device

This device provides electrical protection for the SHC-1 when used with conventional terminal housings under a gas free permit to work system.

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  Restricted Documents
Date Title Type File Size
29 May 09 Searchpoint Optima Plus Installation Guide Manual / Supplement 666 kb
29 May 09 Searchpoint Optima Plus Operating Instructions Manual / Supplement 1,320 kb
06 Oct 10 Engineering Specifications Manual / Supplement 127 kb
01 Nov 12 Optima Manual with HART Manual / Supplement 1,307 kb
01 Nov 12 Optima Safety Manual Manual / Supplement 789 kb
 Download Document

 Gas Detection Explained

 Honeywell Corporation

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