TECHTONGDA Formaldehyde Monitor Air Quality Monitor Home Air Quality Particle Detector Handheld High-Precision Formaldehyde Detector

<br>✔Descriptions: <br>As a brand new indoor formaldehyde concentration monitoring instrument, the latest imported electrochemical sensor and high-precision operational amplifying chip are adopted for the formaldehyde tester,which can continuously and directly convert the formaldehyde concentration signal in the air to electric signal in real time and display and reflect the measuring result in LCD digits after microcomputer data processing. <br> <br> <br>✔Features: <br>1. 24h continuous monitoring at home. <br>2. Real-time monitor to ensure indoor air quality, according to feature of formaldehyde, changing with temperature and humidity. <br>3. One-time investment , long-term continuously detection. <br>4. The product automatically sounds alarm, which is very clear without the need to read and understand the difficult data reports. <br>Please note that the batteries do not included. <br> <br> <br>✔Parameters: <br>Detected gas: Formaldehyde (HCHO) in the Air <br>Measuring range: 0-3mg/m3 <br>Minimum reading: 0.01mg/m3 <br>Resolution ratio: 0.01mg/m3 <br>Basic error: 土0.03土5% <br>Response time: &lt;30s <br>Sensor type: Electrochemical HCHO sensor <br>Dimension:3.6*2.5*5.3 inch ( 91.5x64.8x135mm) <br>Weight: 0.33lb (0.15Kg) <br>Power supply: 3x1.2 battery or 4.2V power adapter <br> <br> <br>✔Item included：239416 <br>TECHTONGDA Formaldehyde Monitor Air Quality Monitor Home Air Quality Particle Detector Handheld High-Precision Formaldehyde Detector

• LCD display: The product adopts sensor and microcontroller technology, which has the advantages of stable signal, high precision, and good repeatability.
• Power supply mode: Equipped with a power adapter, one end is connected to the power supply, and the other end is connected to the product's power test interface, the product can be powered on.
• Window sensor: strong anti-interference ability, high reliability, simple structure, fast dynamic response, easy to realize non-contact measurement.
• Exceeding standard reminder: If the displayed carbon dioxide concentration value is too high, a beeping sound and red backlight will be emitted until it does not exceed the standard.
• Key details: durable and strong, not easy to damage, clear keys.