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 the sensor, the output voltage is recorded. Because the dielectric constant of the soil usually depends on the soil moisture, the soil water content can be calculated according to the relationship between the output voltage and soil moisture.
Feature
GPS coordination can be recorded
Record data Automatically or manually
Wireless data transmission via Wi-Fi
Recognize sensors by two-dimensional code
Automatically recognize connected sensors
Terminal memory card is up to 32G
Display real-time data and curve of recorded data
Export data to Excel for analysis
Technical parameters
ML3
Measurement range
0~100% vol
Accuracy
±1% (0~50% and 0~40℃)
Salt error
≤3.5%(50~500 ms/m and 0~40% vol)
Output
0~1V differential≈Nominal 0~60%vol
Induction area
70 mm diameter x 55 mm height
Cable length
Standard 5 m (maximum 25 m)
Power requirement
5~14V, 1s about 18mA
Output
0~2V or 4~20 mA
Operating temperature
-20℃~60℃
Size
40mm diameter x143 mm height
Protection grade
IP68
Android terminal
CPU
Quad-Core:1.3GHz
Operating system
Android 4.2
ROM
4G
RAM
1G
Extended memory
up to 32G
Screen size
5.0 In.
Screen resolution
960*540
Operation mode
Touch screen
Screen color support
16 million
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
8†SHARK PORTABLE FOLDING PEDAL BICYCLE, VERY LIGHT VERY COMPACT WITH TRANSPORT CARRYING BAG. FOR ONLY $230. Check on eBay Amazon etc.
8†SHARK BICICLETA DE PEDAL PORTÃTIL Y DÓBLALE MUY LIJERA Y COMPACTA CON SU BOLSA PARA TRANSPORTE POR SOLO $230. Cheque eBay Amazon etc. Soy el más barato !!
• Portable Air Conditioner
• Fan
• Heater
• Dehumidifier
Product description: Surface runoff is the flow of water that occurs when excess water from rain, meltwater, or other sources flows over the earth's surface. This might occur because soil is saturated to full capacity, or because rain arrives more quickly than soil can absorb it. Surface runoff is a major component of the water cycle. It is the primary agent in soil erosion by water. QT series tipping bucket flowmeter can be used to monitor no-pressure, low-head, and small discharge flow of
Product description: Double ring infiltrometer is a simple device used to measure the rate of water infiltration into soil. Water infiltration rate is the water flows into a unit cross section of soil per unit time. It can be calculated by the measuring results and Darcy's law.
QT-IN12-W Double Ring Infiltrometer
The standard device includes several sets of stainless steel rings with different diameter, which can deal with several measurements at the same time to get accurate and reliable
Product description: Equilibrium tensiometer is a new revolutionary soil water potential meter which has patent protection. Soil water potential is measured as potential energy per unit quantity of water under isothermal conditions, its unit is bar (1 bar = 100kPa). In the soil, water potential is a major factor in determining the direction and speed of water flow, which is the only index of the effectiveness of soil moisture to plants. The water potential of different soils can be compared with
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