Product Description
Honeywell 2108N4100N is a fixed point infrared hydrocarbon gas detector from Searchpoint Optima Plus family. Based on NDIR infrared absorption principle without catalytic bead, it is immune to catalyst poisoning. It continuously monitors hydrocarbon combustible gas and vapor concentration in hazardous areas with standard 4–20mA output and built-in self-diagnostics. It features electropolished 316 stainless steel housing, IP66/IP67 enclosure, dust barrier and sunshade deluge guard. Certified to ATEX, IECEx and UL, it is widely deployed on offshore platforms, refineries, gas turbine halls and compressor buildings for flammable leak detection.
Specifications
- Part Number: 2108N4100N
- Manufacturer: Honeywell Analytics
- Series: Searchpoint Optima Plus
- Sensing Principle: NDIR infrared for hydrocarbon gases
- Measuring Range: 0–100% LEL
- Accuracy: ±2% FS
- Response Time: T50＜3 s, T90＜4 s
- Output Signal: 4–20 mA auto-sourcing / auto-sinking
- Power Supply: 18–30 VDC
- Approvals: ATEX, IECEx, UL, FM
- Housing Material: Electropolished 316 stainless steel
- Thread Connection: 3/4″ NPT
- Ingress Rating: IP66 / IP67
- Diagnostics: Fault, optics contamination, dirt detection via current codes
- Operating Temperature: -40℃ ~ +65℃
- Humidity: 5%~95% RH, non-condensing
- Accessories: Polyester dust filter, weather shield, deluge sunshade
Application
- Flammable gas monitoring for offshore platforms, FPSO and onshore gas terminals
- Hydrocarbon leak detection in refinery and chemical process units and tank farms
- Fire & gas safety protection for gas turbine buildings and centrifugal compressor stations
- LNG / LPG storage and bottling plant gas detection
- Interfacing with DCS and F&G systems for alarm and shutdown interlock
Series Part Numbers (Optima Plus Infrared Detector Family)
- 2108N4100N (This item, HC version, 4-20mA)
- 2108N5100N
- 2108N4000N
- 2108N4000H
- 2108B2001N
- 2108B2003N
- 2108D3034 (Flow cell accessory)
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