Honeywell 2108N4100N Searchpoint Optima Plus Gas Detector

Product Type: Point infrared flammable hydrocarbon gas detector Part Number: 2108N4100N Series: Searchpoint Optima Plus Detection Principle: Dual wavelength infrared absorption, non-catalytic, immune to catalytic poisons

Target Gas: Hydrocarbon gases and solvent vapours Measurement Range: 0 to 100% LEL, factory pre-calibrated for specified target gas Response Time: T50 less than 3 seconds, T90 less than 4 seconds for methane

Power Supply: 18 VDC to 32 VDC, nominal 24 VDC Max Power Consumption: 5 W Max Loop Resistance: 600 Ohm Minimum loop resistance for HART communication: 230 Ohm

Analogue Signal Output: 4-20 mA autosensing sink or source Inhibit signal: 1 to 3 mA, default 2 mA Optics contamination warning: 0 to 6 mA, default 3 mA Fault indication: 0 mA, HART version adjustable to 1 mA Over-range indication: 20 to 21.5 mA, default 21 mA Digital Communication Option: HART protocol version 7 superimposed on 4-20 mA loop, Modbus RS485 multi-drop available via XNX transmitter

Enclosure Material: Electropolished 316 stainless steel Thread Type: 3/4 inch NPT Ingress Protection: IP66 / IP67 Weight: 1.6 kg Accessories Included: Polyester mesh dust barrier, nylon weather protection housing, LNP Faradex deluge and sunshade

Operating Temperature Range: -40 °C to +65 °C certified range Pressure Effect: 0.1% of reading per mbar Repeatability: Less than ±2% FSD at 50% FSD Linearity: Less than 5% FSD Accuracy for hydrocarbon version: Baseline less than ±1% FSD, 50% FSD less than ±2% FSD

Core Features: Failsafe infrared design, no moving optical components, self-compensating optics, dynamic heating control to prevent condensation, integrated diagnostic functions, optics contamination early warning, internal event logging, suitable for inert atmosphere applications Certifications: ATEX, IECEx, UL, CSA, INMETRO, hazardous area approved for explosive atmospheres Commissioning and Calibration: Support SHC1 handheld interrogator, HART communicator or XNX transmitter for configuration, calibration and diagnostic access