Searchline Excel Open Path Infrared Gas Detector

Overview

World-renowned infrared open path flammable gas detector offering unrivalled performance and sensitivity.

Key features

Wider area coverage - most likely to pick up any leak
Very high speed of response
NO unrevealed failure modes - no possibility of blocked gas path to detector
Detector location not as critical
Indicates size of hazard

Applications

Confined space entry
Oil, gas and petrochemical
Wastewater and sewage
Steel and chemical plants

Standards and certification

Supplier: ISO 9001:2015 certified

PRODUCT DATASHEETDoc. SSLS/DS/GD-085 · Rev. 01 · 13-Oct-2026

Searchline Excel Open Path Infrared Gas Detector – technical data

Technical specifications

Brand	Honeywell
Alarm Settings	High 3 LEL.m / Low 1 LEL.m
Vibration	2 to 60 Hz
Weight range	Medium and Long Range TX: 7 kg and RX: 3.5 kg / Short Range TX: 3.5kg
Path Length	Long Range: 120m to 200m (390ft to 650ft) / Medium Range: 40m to 120m (130 ft to 390 ft) / Short Range: 5m to 40m (15ft to 130ft)
Humidity Range	0 to 99% RH (Non-Condensing)
Calibration Gas	Methane, Ethane, Propane, Butane, Pentane, Ethylene, Propylene, Butadiene
Maximum Pressure	105.5 Kpa
Warm Up Time	Less than 1 Hour (Fully Stabilized) / Less than 5 min (Operational)
Speed of Response	T90 < 3 sec
Signal Output	2 mA (1) 0 mA Fault / 2.5 mA (1) Beam Blocked / 21 mA Over Range / 3 mA (1) Dirty Optics / 4 to 20 mA (Max Loop Resistance 600 ohms; Source and Sink Available) and RS485 / 4 to 20 mA Normal Operation (0 to 5 LEL.m)
Misalignment Tolerance	Long Range: ± 0.5º (±~170 cm @200m) / Medium Range: ± 0.5° (±~104 cm @120m) / Short Range: ± 0.5° (±~35 cm @40m)
Measuring Range	0 to 5 LEL.m
Digital Output	Modbus RS485 Multi Drop. (Using DX100(M)) / XNX Universal Transmitter with Modbus Option
Minimum Temperature	-40˚C
Ingress Protection	IP66 / IP67
Power Requirement	18 to 32 VDC
Power Consumption	Medium and Long Range Tx: 10W/13W and Rx: 8W / Short Range Tx: 3.5W/5.0W
Enclosure Material	316 Stainless Steel

PRODUCT DATASHEETDoc. SSLS/DS/GD-085 · Rev. 01 · 13-Oct-2026

Searchline Excel Open Path Infrared Gas Detector – technical data, continued

Technical specifications

Application	Downstream Chemical Processing Plants / Gas Transport and Pipelines / Large Storage Areas and Buildings / Off-Shore Platforms & Vessels (FPSO’s) / Perimeter Detection
Industry	Energy / Logistics & Warehouses

Ordering information

Brand	Honeywell

Inspection and care

Keep sensors and filters clean, charge batteries as directed and record bump tests and calibrations.

Storage

Store in a cool, dry place away from direct sunlight, heat and chemicals.

Data given in good faith from manufacturer information and subject to change without notice. Select PPE based on a site risk assessment. Scan the code for the product page.