5 gas detector for sale, brand-new and used.

Here is a TIF 8800A gas leak detector. The unit was fired up, using a 5-volt DC power supply. The speaker and leak indicating leds operated when placed near vented propane gas.

ECO SENSORS C-21 Volatile Organic Compound Detector VOC Sensor The model C-12 is a solid-state gas monitor capable of sensing a variety of gases and vapors. The ones it is generally sensitive to are called VOCS (volatile organic compounds), and the most common application of the C-12 is for solvent vapors. Common examples are paint thinners, dry cleaning fluids, cleaning solvents, and gasoline vapors.