1. Fast response speed, high precision, of its stability, good repeatability. 2. The apparatus is widely used in metallurgy, power plant, farms, mines, chemical, scientific research, medical, pharmaceutical, environmental protection, and other fields. 3. With a large LCD screen displaying the measured results, you can get ammonia gas concentration at a glance. 4. The ammonia gas monitor has an audio and visual alarm, you can set an audio alarm decibel that can give you an obvious prompt. 5. Portable and handheld, easy to operate and carry. 6. Power supply: 3.7V li-battery.
