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 storage of 5000 data;
· Be able to delete recent or all of the data
· Designated plant names can be uploaded to the instrument from a computer and data can be downloaded to a computer via USB interface.
Specifications
Measurement System
Optical Density Difference between wavelength of 650 nm and 940 nm
Measurement Range
0 to 99.9 SPAD
Precision
Standard Deviation less than 1
Button
4 buttons, one is for measurement
Display
2 lines x 16 characters
Data Storage
5000 data, including data with designated plant names; The name is up to 32 characters (only only 28 characters shown);
Power Source
2 AA 1.5V batteries
Battery Life
5,000-30,000 measurements per set of 2 batteries, depending on the usage and battery type;
Measurement Time
Less than 1 second;
Dimension
164 x 78 x 49mm (W×H×D);
Weight
225g (without batteries);
Interface
USB
Automatic Shutdown
1 minute without operations (10 minutes with USB connection)
Software:
The software can upload designated plant names to the instrument, also the data can be downloaded to the computer via USB interface. The software can run successfully under Windows 2000/XP/Vista system.
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
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Product description：QT-CO2 is a fast response carbon dioxide meter with built-in temperature compensation function. It can accurately detect CO2 within the whole temperature range. It is equipped with a ceramic base which has better thermal conductivity, therefore the preheating response is between 2 to 5 minutes.
QT-CO2 Carbon Dioxide Meter
Feature:
GPS coordination can be recorded
Record data Automatically or manually
Wireless data transmission via Wi-Fi
Recognize sensors by
BMW 1502/1602/1802/2002 bumpers (1971-1976)
BMW 1502/1602/1802/2002 bumpers (1971-1976).
(BMW 2002 Stoßfänger)
One set includes:
1 front bumper in 3 parts, 2 front overrides with rubber inserts
1 rear bumper in 3 parts, 2 rear joining strips
Mounting kit (bolts and nuts).
Bumper is copied from the original in shape, size and is perfectly comparable to the original bumper.
Bumper is made from 304 stainless steel (it never rust, even at different temperatures), After the bumper is
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-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
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