Core Focus
Gas Detection and Environmental Monitoring
Interlink Subsidiary
KWJ Engineering
Innovative solutions for gas detection, environmental monitoring, and application-specific engineering services.
Delivery Model
Custom Engineering + Product Integration
KWJ Engineering is part of the Interlink group ecosystem, with ties across gas-sensing organizations including SPEC Sensors and Ecosensors.
Product Category
Fixed Instruments
Wall-mounted and surface-mounted continuous monitoring systems for facility safety, biogas plants, compressed air quality, and indoor environmental monitoring with alarm outputs.
6 products in this category
Back to all productsFixed Instruments
A360 Fixed CO & O2 Monitor
Wall-mounted fixed monitor for continuous carbon monoxide and oxygen detection — 115 VAC, dust-resistant, with alarm relay and digital display.
COO2
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Fixed Instruments
A345 Fixed Multi-Gas Monitor
Fixed multi-gas monitoring system for biogas, CO2, and methane detection in biogas plants, landfills, and wastewater treatment facilities.
CO2CH4Biogas
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A241 Fixed Multi-Gas Monitor
Fixed monitoring system for methane, H2S, and biogas applications — designed for wastewater, biogas digesters, and industrial gas safety.
CH4H2SBiogas
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A383 Fixed O2, Methane & Biogas Monitor
Fixed instrument for continuous oxygen, methane, and biogas monitoring in agricultural, industrial, and environmental settings.
O2CH4Biogas
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A401 Fixed Multi-Gas Monitor
Comprehensive fixed monitoring for methane, H2S, CO2, and biogas — designed for demanding multi-gas environments requiring continuous surveillance.
CH4H2SCO2Biogas
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A269 Fixed Freon Monitor
Fixed monitoring system for Freon/refrigerant gas leak detection in commercial and industrial HVAC, refrigeration, and cold storage facilities.
Freon
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