Honeywell 2108B2001N
Honeywell 2108B2001N
Honeywell 2108B2001N
Honeywell 2108B2001N
Honeywell 2108B2001N
Honeywell 2108B2001N
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2108B2001N

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The Honeywell 2108B2001N Optima Plus Gas Detector is a market-leading point infrared hydrocarbon gas detector that offers proven performance and exceptional sensitivity for demanding industrial environments.
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Technical specifications for 2108B2001N

  • Manufacturer:
    Honeywell
  • Part Number:
    2108B2001N
  • Product Family:
    Honeywell Searchpoint Optima Plus
  • Product Type:
    Optima Plus Gas Detector
  • Signal Output:
    4-20mA autosensing sink or source Inhibit 1-3mA (Default 2mA)
  • Warning:
    0-6mA (Default 3mA *)
  • Fault:
    0mA (HART® units adjustable to 1mA)
  • Over Range:
    20-21.5mA (Default 21mA)
  • Digital Output:
    Optional Multidrop Modbus RS485 (via XNX, Optional HART® over 4-20mA output (HART® version 7)
  • Material:
    316 stainless steel
  • Weight:
    1.96 kg
  • Estimated shipping dimensions:
    23x10x8cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Use Cases Installation & Integration Certifications & Standards

Features:

  • Infrared Point Detection Principle for Hydrocarbon Gas Monitoring
  • Failsafe Operation with Reduced Routine Maintenance Requirements
  • Certified for Use in Potentially Explosive Atmospheres
The Honeywell 2108B2001N Optima Plus Gas Detector serves as a market-leading point infrared hydrocarbon gas detector, delivering proven performance and exceptional sensitivity for industrial gas detection applications. It continuously detects hydrocarbon gases through advanced infrared technology, providing the fastest speed of response and fail-to-safe operation to ensure plant compliance and personnel protection. The 2108B2001N offers reduced routine maintenance when compared with conventional electro-catalytic based gas detectors, providing low ongoing cost of ownership. Seamless detection reliability is standard with the 2108B2001N, and its self-compensating optics ensure immunity to long-term component drift while dynamic heating control guarantees condensation-free optics.

The 2108B2001N provides essential gas detection functions critical to safety monitoring, and is a vital component of the protection path, directly affecting the proper, normal operation of the overall safety system. One 2108B2001N detector is typically deployed per monitoring point depending on the desired coverage level. The 2108B2001N is designed for installation in hazardous areas and is certified for North American and European hazardous area classifications.

For enhanced operational integrity, the 2108B2001N incorporates advanced internal fault diagnostics and false alarm rejection algorithms. In addition to standard single detector operation, the 2108B2001N also supports remote functional gas test capability. The 2108B2001N detection system continually monitors the health of its optical components through self-compensating optics. If the system detects that the optics are becoming contaminated, it will trigger a contaminated optics warning to alert maintenance personnel and place an event in the integral event log, ensuring maximum uptime and eliminating undetected failures.

The 2108B2001N Honeywell Optima Plus Gas Detector may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Honeywell 2108B2001N Optima Plus Gas Detector Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Honeywell 2108B2001N Optima Plus Gas Detector Specs

General

  • Manufacturer Honeywell
  • Model 2108B2001N
  • Condition New Original ready stock
  • Product Family 2108B2003,2108B2101,2108B2103
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Oil & Gas Facilities: Suitable for offshore and onshore sites, including FPSO vessels, tankers, and refineries.
  • Power & Energy: Used in gas turbine power plants and LNG/LPG bottling plants.
  • Manufacturing: Applied in solvent printing, coating plants, and semiconductor manufacturing.
  • Utility & Infrastructure: Monitoring natural gas, hydrogen in battery rooms, and in refrigeration plants.
  • Mounting: Must be mounted horizontally to prevent dirt and water buildup on optical surfaces. For lighter-than-air gases, mount it above the potential leak source; for heavier-than-air gases, mount it below.
  • Electrical: Features a 4-20mA autosensing sink or source output. It supports integration via HART® (over 4-20mA) and optional Modbus RS485.
  • Systems Integration: Fully compatible with SCADA platforms and Building Management Systems (BMS) for centralized monitoring.
  • Accessories: Can be used with weather protection housings, sunshades, and duct mounting kits.
  • Hazardous Areas: Certified for ATEX (Europe), IECEx (International), and UL/CSA (North America).
  • Performance: Meets EN 60079-29-1 for gas detection performance.
  • Marine Approvals: Holds Type Approval Certificates from ABS and Bureau Veritas.
  • Safety Integrity: Rated for SIL 2 applications.
Description
The Honeywell 2108B2001N Searchpoint Optima Plus is a market-leading point infrared hydrocarbon gas detector designed to provide high-speed, failsafe performance in hazardous environments. This 2108B2001N model is specifically engineered to handle the challenges of detecting over 100 hydrocarbon gases and vapors, including various solvents. By utilizing an infrared detection principle, the 2108B2001N addresses the critical need for fast response times and fail-to-safe operation, ensuring that personnel are protected and production processes maintain maximum uptime even in potentially explosive atmospheres.

The 2108B2001N is designed to solve the common problem of sensor degradation found in traditional detectors. Unlike electro-catalytic sensors, the 2108B2001N is immune to catalytic poisons and inhibitors, making it ideal for environments like offshore oil and gas platforms, FPSO vessels, and refineries. It solves the issue of frequent recalibration and sensor failure by featuring no moving parts and self-compensating optics that resist long-term component drift. This durability ensures the 2108B2001N provides a low cost of ownership and increased stability in the most demanding offshore petrochemical environments.

In harsh outdoor or industrial settings, the 2108B2001N solves the problem of environmental interference through advanced internal diagnostics and Dynamic Heating Control. This feature ensures the optics remain condensation-free, preventing false alarms and undetected failures caused by contaminated lenses. The 2108B2001N is particularly effective in LNG/LPG bottling plants, gas compressor stations, and solvent printing facilities where high reliability is non-negotiable. With certifications including ATEX, UL, CSA, and IECEx, the 2108B2001N offers a globally recognized solution for maintaining safety and compliance across a wide spectrum of light industrial and heavy-duty applications.
Alternative Names
2108B2003 2108B2101 2108B2103 2108B2201 2108B2031 2108B2033 2108B2001
Technical notes
The 2108B2001N features optional HART® over 4-20mA output, remote functional gas test capability, and dynamic heating control that ensures condensation-free optics, making it ideal for offshore oil and gas platforms where harsh environmental conditions force increased time between routine maintenance.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What detection technology does the 2108B2001N use?
The 2108B2001N utilizes infrared gas detection principles instead of traditional catalytic bead technology. This design provides greater reliability and immunity to catalytic poisons or inhibitors.
Why is the 2108B2001N better than conventional catalytic detectors?
Traditional catalytic detectors can suffer from sensor poisoning, false alarms, and frequent maintenance. The 2108B2001N solves these problems through infrared technology, self-compensating optics, and advanced diagnostics that ensure stable long-term performance.
What environments is the 2108B2001N specifically designed to handle?
The detector is engineered for harsh and potentially explosive environments where extreme weather, condensation, contamination, and long maintenance intervals are common challenges.