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- 3 Independent CO2, humidity and temperature sensors.- User operated CO2 calibration.- USB datalogg: 50,000 records.- Internal backup battery to maintain date/time setting. - Power management IC to increase batter efficiency. - Easy- to-Use PC software for parameter settings and data analysis.- Internal CO2 alarm buzzer.

   - Large LED display. - Measurement: CO2, temp. and humidity. - The selection of °C or °F. - Real time data. - Data Hold function. - Alarm function.

A high accuracy indoor air quality monitor, which measure VOC. CO2, Temperature, Humidity and dust. Through large size of graphic LCD, it provides real-time monitoring and can transmit data wirelessly through built in ZigBee. After install indoor Watch (software), it enable to collect data at a long distance. Relay Contact make it possible to interwork with a ventilating system. It has been installed to measure Air quality of indoor or underground spaces like Factories, schools, Public places etc.

This showcased formaldehyde tester comes with a portable design. This portable formaldehyde tester features a large digital screen for easy and convenient reading. This high-quality portable formaldehyde tester is easy to use. High quality. Portable design.

Product Description - Backlit LCD displays simultaneously formaldehyde (HCHO), temperature, humidity, easy to monitor. - Occupational safety monitoring shows TWA (8 hours) and STEL (15 mins). - Use high-precision electrochemical sensors. - The maximum / minimum / average hold. - Stores 200 records manually. - Data hold. - Formaldehyde maximum and minimum alarm value setting.

Measuring Range: 0~999 ppm (+-5%),0~100%RH, 10~50cFree USB Software, 32000 memories