WINTACT WT8821 Professional Oxygen Detector High Sensitive Oxygen Gas Sensor Alarm O2 Meter Monitor Gas Analyzer

• With a large screen displaying the measured results, you can get oxygen concentration at a glance

• Widely used in the chemical industry, electronic industry, underground operations, in-car oxygen detection

• The product is ergonomically designed for easy holding and operation, perfect for household and working testing

• With power on/off and backlight button

• With measurement data holding function

Specification:

• Item Type: Oxygen Detector 

• Material: ABS

• Measurement Range: 0-25% VOL

• Maximum Overload: 30% oxygen

• Response Time: <15s

• Sensor Type: Electromagnetic oxygen sensor

• Ambient Humidity: 15-90%RH

• Power Supply: 3 x 1.5V AAA Batteries (Not Included)