Description:

• Formaldehyde detection: through the principle of semiconductor gas sensors.
• TVOC detection: through the principle of semiconductor gas sensors.
• Sound and light alarm: the LED lights red , yellow, and green respectively represent: Poor, Normal, and Excellent. When the air quality is poor, the buzzer will alarm.
• Power reminder: By 3 LED lights to display the remaining powers.

Specification:

• Display:  LED digital display
• Detection range:  0.000 ~ 2.888 mg/m³(Formaldehyde) HCHO / 0.000 ~ 9.999 mg/m³(TVOC)
• Concentration unit: mg/m³
• Detection principle: Principle of semiconductor gas sensors
• Working voltage: 1.5 V – 3.2 V
• Battery:  2pcs AA alkaline batteries
• Exclusive standard:  Q / ZYG 2763 – 2018
• Size: 133 x 43 x 24 mm

Packing List:

• 1 x Air tester
• Instruction manual