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QT-ML3 Portable soil moisture/temperature meter

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



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