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.
Made in 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-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
I'm selling my SHARP CV-10MH 10000 BTU Portable Air Conditioner. It works perfectly fine, I just don't have space for it anymore. I do not have the remote for it. Really great deal for a 10,000 BTU Air Conditioner that is in working order. I will throw in the extension hose also, I use to use it to get the hot air exhaust all the way out the window.
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Its speedometer for Suzuki Alto/ Nissan pino/Mazda carol model 2004 to 2009.
Suitable for manual gear.
030 862 77387
Product description:
This instrument is to measure plant stem strength against the wind. Users only need to push the instrument against the stem to get stem strength of the plant.
QT-DFA Portable plant stem strength tester
Features:
1. This instrument has high measuring precision and high resolution. Two model - QT-DFA01 and QT-DFA02- are available for different plants;
2. Data can be shown on a big LCD with screen rotation function;
3. The instrument can be connected to computer for
I HAVE A VERY GOOD CONDITION CLEANED AND TESTED ZENITH 6,500 BTU 120 VOLT 6.2 AMPS DIGITAL WINDOW AIR CONDITIONER WITH ADJUSTABLE SIDES. COME OVER AND FEEL IT COOL BEFORE YOU BUY IT.