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.

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

Website: http://www.channeleco.com/en/Item/Show.asp?m=1&d=1270