SMART SENSOR Handheld Ammonia Gas Detector Digital NH³ Gas Tester 0-100PPM Ammonia Gas Meter with Large LCD Display

Features:
Adopting an electrochemical sensor, which gives a quick and accurate measurement.
With a large LCD screen displaying the measured results, you can get ammonia gas concentration at a glance.
The ammonia gas monitor has an audio and visual alarm, you can set the audio alarm decibel that can give you an obvious prompt.
Portable and handheld, easy to operate and carry.
Widely used in gas station, hospital, agriculture, exhaust gas leak, chemical industry detection and environmental monitoring.