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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roduct description: QT-PH06S/30S is a durable soil pH meter, it can be inserted into soil and measure soil pH rapidly. No batteries and no special maintenance needed for the meter.
QT-PH06S/30S agricultural soil pH meter
Specifications
QT-PH06S
QT-PH30S
Measurement range
pH: 3~8;
soil moisture: 10~80%
Resolution
0.2
Accuracy
0.2 (Suitable for arable land and teaching experiment)
Operating temperature
5~50℃
Probe length
6cm
30cm
Configuration
pH Meter, manual, portable
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I HAVE A GOOD CONDITION CLEANED AND TESTED PANASONIC 2-SPEED 5,000 BTU 120 VOLT 5.4 AMPS WINDOW AIR CONDITIONER WITH ADJUSTABLE SIDES MODEL CW-500RU. THIS IS A NICE LIGHT WEIGHT EASY TO HANDLE WINDOW UNIT. COME OVER AND FEEL IT COOL BEFORE YOU BUY IT.
Haier HPY08XCM 8,000 BTU Portable Air Conditioner
Details
General
Product TypeAir conditioner
Form FactorMobile
FunctionsCooling, dehumidifying
Filter TypeMesh filter
Cooling Capacity8000 BTU/h
Max Dehumidification Capacity75 pint/24hrs
Air Flow Control4-way air direction control
Special FeaturesAuto restart, ventilation only mode, built-in wheels, self-evaporating technology
Settings, Controls & Indicators
Control TypeElectronic
Timer24 hrs
Fan Speed Settings Qty2
rechargeable power source
Portable solar power station is an energy storage system designed to provide DC power and AC power for mobile devices and home appliances.
Using solar panels, car chargers or commercial power to charge the built-in lithium battery and it will store the electric energy for electrical power supplies, when required. It is small, light, portable and Low self power consumption, suitable for traveling, camping, emergency lighting and outdoor working. With AC / DC output
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