TK385PLUS Digital Carbon Dioxide CO2 Monitor 0~5000ppm Range Colored LED Display Air Quality Tester NDIR Sensor for Household Safety, Classroom, Hotel, Hospital, etc.
Features:
- Wide LED Digital screen display
- Three-colored LED indicator
- Adjustable brightness level
- Dual-beam NDIR technology CO2 sensor
- Stylish mini desktop monitor
- Ambient temperature reading
- °F/°C switchable temperature unit
- CO2 chart trend display
- Simple and easy calibration function
Specifications:
- CO2 Measurement
- @0~3000ppm: ±50ppm or ±5% of reading, whichever is greater
- over 3000ppm: ±7%
- Green LED: <800ppm CO2 concentration
- Yellow LED: 801~1200ppm CO2 concentration
- Red LED: >1200ppm CO2 concentration
- Range: 0~5000ppm
- Accuracy:
- Repeatability: 20ppm @40ppm (standard dev of 10 readings in 1 minute)
- Resolution: 1ppm (0~1000); 5ppm (1000~2000); 10ppm (>2000)
- Temp Dependence: ±0.2% or reading per °C or ±2ppm per °C. whichever is greater, reference to 25°C
- LED Color Indicator:
- Temperature Measurement:
- Range: 0~50°C (32~122°F)
- Resolution: 0.1°C (0.1°F)
- Accuracy: ±1°C (±1.8°F)
- Operating Environment: 0~50°C (32~122°F); 0~95% RH, non condensing
- Storage Environment: -20~60°C (-4~140°F); 0~95% RH, non condensing
- Response time: <2min for 63% of step change or <4.6min for 90% step change
- Warm-up Time: 15sec
- Power requirements: 160mA Peak, 15mA average at 5.0V
Set Includes:
- 1 x CO2 Monitor
- 1 x USB Type-C Power Cable
- Instruction Manual
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund in the same payment form used at the time of purchase within four weeks of giving your package to the return shipper. This time period includes the transit time for us to receive your return from the shipper, the time it takes us to process your return once we receive it, and the time it takes for the refund to be credited to your account.
For more information, please refer to our Return, Refund & Warranty Policy or contact us.
Shipping Policy
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
For more information, please refer to our Shipping Policy.
Warranty Policy
Most of our items come with 1 year warranty for manufacturer defects. It does not include damage caused by misuse, accidents, abuse, alterations, neglect or other external causes.
The warranty will not extend to consumables (i.e. electrodes, calibration solution, battery, index oil), accessories, cable, compact disk and/or any written document bundled with the item.
For more information, please refer to our Warranty Policy.