Detector de gas amoníaco sensor de alarma 0 ~ 100 PPM NH3 medidor de concentración para seguridad Mo

⏩ Visual & Audible Alarm: This NH3 ammonia detector allows you set high/low ammonia limits. when the NH3 level exceed the value, the ammonia detector beep, vibration and the indication flash light. The sound and vibration frequency increase when the AUL is reached.

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