Single-Gas Detectors (Portable)
Single Gas Detectors are portable devices that monitor one gas in particular, sensing the presence of gas indoors in a facility or laboratory.
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![RKI Instruments - GasWatch 3 Portable Single/Dual Gas Monitor Series](http://sensorpros.com/cdn/shop/products/gaswatch3_CO_large.webp?v=1701988500)
Multiple Gas Versions, 3 Year Warranty, Alligator Clip/Wrist Band Options
![RKI Instruments - GP-03 Series - Smallest Single Gas Monitor](http://sensorpros.com/cdn/shop/products/03Series_large.jpg?v=1701988526)
Single Gas, LEL, 2.8 ounces, 2-3 year warranty, 5-300 hours of data logging
![RKI Instruments - 04 Series - Smallest Toxic Gas Monitor](http://sensorpros.com/cdn/shop/products/04-Series_group_large.webp?v=1701988549)
Accepts many PID sensor options: 10.0 eV lamp / 11.7 eV / 10.6 eV ppb / 10.6 eV ppm
![RKI Instruments - FP-31 - Formaldehyde Gas Detector](http://sensorpros.com/cdn/shop/products/FP-31-Image_large.jpg?v=1701988498)
Sample Draw Pump, No False Readings, 4AA Operation
![RKI Instruments - SC-8000 - Portable Toxic Gas Monitor](http://sensorpros.com/cdn/shop/products/SC-8000_large.jpg?v=1701988574)
Compact/Lightweight PPM Gas Monitor
![RKI Instruments - SP-220 - Gas Leak Checker](http://sensorpros.com/cdn/shop/products/sp220-scaled_large.jpg?v=1701988448)
Choose from over forty different gas types.