Product description：QT-CO2 meter is used to measure carbon dioxide by non-dispersive infrared induction principle, in the meantime it can measure temperature, humidity, dew point and wet bulb temperature. The meter is equipped with a large LCD display, and it has several characteristics, such as rapid response, visible light/sound alarm settings, low drift and high performance.
QT-CO2 Carbon Dioxide/temperature/humidity Meter
Applications:
Agricultural greenhouse
Food processing
Experiment teaching
Industry and quality management
Indoor air quality monitoring
Technical Parameters：
Model
QT-CO21
QT-CO22
Measurement Range of CO2
0~2000 ppm
2001~9999 ppm(accuracy not guaranteed)
0~5000 ppm
5001~9999 ppm(accuracy not guaranteed)
Accuracy
±50ppm ±5% (0~2000 ppm)
±30ppm ±5% (0~5000 ppm)
Humidity
Measurement range: 0.0~99% RH Accuracy: ±3%
Temperature
Measurement range: -10℃~ 60℃(14~140℉)
Accuracy: ±0.6℃/±0.9℉
Resolution
1 ppm, 0.1℃, 0.1% RH
Warm-up Time
30 s
Operating Environment
Storage temperature: -20~60 ℃
Storage humidity: 0~99% RH (no condensed water drops)
Operating temperature: 0~50 ℃:
Operating humidity: 0~95% RH (no condensed water drops)
Size
130×80×60 mm
Package Content
Host machine, manual, power adapter
ORIGIN: CHINA
　
Beijing Tel: +86-10-62111044 / Fax: +86-10-62114847 / Add: Suite 6B13 Huajie Plaza, 13 Dazhongsi, Haidian District, Beijing 100098, China
Sales: Sales@Qudao.com.cn / Support: support@qudao.com.cn
Product description : QT-PH010 pH / temperature / humidity meter is a three-in-one instrument with unique design. Its foldable structure is convenient for users to measure liquid sample from different angles. It is small, lightweight and portable, with a replaceable electrode. Its ABS shell is easy to clean and maintain. The meter can automatically calibrate the measurement error due to temperature change.
QT-PH010 pH / temperature / humidity three-in-one meter
Technical Parameters
Sales Enquirer:
Payment method is PAYPAL and Bank TRANSFER
Name: Steve Bertrand
E-mail: stevebertrand71@gmail.com
Phone Number : +16617765196
Phone Number : +447024072964
NOTE: Our prices are in U.S. Dollars!
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Product description: QT-ML3 portable soil moisture/temperature meter can be used for the measurement of moisture of various types of soil and media, and it can be used as a basic tool for on-site observation or mobile measurement.
QT-ML3 Portable soil moisture/temperature meter
Principle
Using FDR (frequency domain reflectometry) principle, the sensor emits electromagnetic wave with a certain frequency, the waves transmit along the probe till they reach the bottom of the probe and return to
This frameset is a 56cm and it has a Campagnolo record headset.
Pick up only
Product description: The QT-AQUA soil moisture/temperature meter can be used for the measurement of soil volumetric water content based on the advanced TDR principle. The electrical signal can be directly output, and the soil volumetric water content and soil temperature can be shown directly. The meter can be widely used in agricultural production, scientific research, etc because of its low cost.
QT-AQUA Soil moisture/temperature meter
Feature
GPS coordination can be recorded
Record
Product description： QT-AT 502 Chlorophyll Meter can measure chlorophyll content of plants. Chlorophyll content is an important index of plant growth. This instrument is powerful, portable, and easy to use. It does no harm to plants. Users just need to put a leaf tissue larger than 3mm in the aperture, and then press the button to get the chlorophyll content reading.
QT-AT 502 Portable Chlorophyll Meter
Features:
· The measurements can be designated to up to 500 plant names;
· With a
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