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QT-PICO Soil Moisture/Temperature meter

Product description: QT-PICO can be used to rapidly measure soil moisture in the upper layer, it can also work with extension rod to measure deep soil moisture. After calibration, it can measure soil salinity at the same time.

QT-PICO Soil Moisture/Temperature meter

Principle

QT-PICO soil moisture and temperature meter is based on TDR (Time domain Reflectometry) technology. It can directly measure the dielectric constant of soil or other media. According to the relationship between the dielectric constant and soil moisture, soil water content can be derived from the output voltage.

When the meter is operating, it first produces 1GHz high frequency electromagnetic waves, then the waves transmit along the conductor and generate an electromagnetic field around the probe. When the waves reach the end of the conductor, they return to the source. The duration of transmission is between 10 ps and 2 ns. The meter is very sensitive and it can detect the time signal as short as 3 ps. The time sampling method makes soil moisture measurements become more accurate and convenient.

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

Probes

PICO32

PICO64

Power

7~24V DC

7~24V DC

Power consumption

100mA@12V/DC for 2~3s

100mA@12V/DC for 2~3s

Measurement range

0~100%

0~100%

Accuracy (0~6dS/m)

±1%(0~40%);±2%(40~70%)

±1%(0~40%);±2%(40~70%)

Accuracy (6~12dS/m)

±2%(0~40%);±3%(40~70%)

±2%(0~40%);±3%(40~70%)

Accuracy (12~50dS/m)

————

————

Repeatability accuracy (0~6dS/m)

±0.2%

±0.2%

Repeatability accuracy (6~12dS/m)

±0.3%

±0.3%

Repeatability accuracy (12~50dS/m)

————

————

Temperature drift

0.3% of measurement range

0.3% of measurement range

Temperature measurement range

-15℃~50℃

-15℃~50℃

Temperature accuracy

±0.2℃

±0.2℃

Volume

0.25 L(110 mm×Ф50 mm)

1.25L(160 mm×Ф100 mm)

Operating temperature

-15℃~+50℃(Other temperature range can be customized)

-15℃~+50℃(Other temperature range can be customized)

Material

Waterproof PVC (IP68)

Waterproof PVC (IP68)

Size

155 x Ø32 mm

155 x Ø63 mm

Probe length

110mm

160mm

Probe diameter

3.5mm

6mm

Output

IMP-BUS,RS485, Analog output (0~1V or 4~20 mA)

IMP-BUS,RS485, Analog output (0~1V or 4~20 mA)

Cable length

5m

5m

Calibration

Standard calibration can apply to most standard soil types, store up to 15 user-defined calibration curves

Standard calibration can apply to most standard soil types, store up to 15 user-defined calibration curves

Handheld 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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