TEROS 12 Soil Moisture, Temperature, and Conductivity Sensor Measurement System-Global supplier

Room 639, Tangxing Digital Building, No. 6 Tangxing Road, High tech Zone, Xi'an City, Shaanxi Province

TEROS 12 Soil Moisture, Temperature, and Conductivity SensorIt's original5TE、Upgraded version of GS3，TEROS12 soil moisture, temperature, and conductivity sensors combine accuracy, economy, ease of use, and reliability. The TEROS 12 sensor can be connected to METER's latest data acquisition, such as ZL6, enabling plug and play of sensors and cloud storage management of data.

main features

　　 Simultaneously measuring soil volumetric moisture content（EWC）、 Conductivity and temperature

　　 The latest rapid conductivity measurement method

　　 Thermistor embedded with intermediate probe

　　 Total moisture measurement range——Sensitive sensing of subtle changes in moisture content within the range of 0~100% VWC

　　 The frequency of use is70MHz capacitor technology minimizes the impact of salt and texture as much as possible

　　 Special stainless steel probe for easy insertion into various soils and good contact

　　 Epoxy resin filling ensures field burialover 10 years

　　 Suitable for various data acquisition, and the voltage output is easy to read

TECHNICAL INDEX

Measurement indicators	Volume Moisture Content (VWC)	Apparent dielectric constant ε a	temperature	conductivity
range	Mineral soil calibration: 0.00~0.62 m³/m³ Non soil medium calibration: 0.0~1.0 m³/m³	1 (air)~80 (water)	-40~60℃	0 - 10 dS/m
resolution	0.001 m³/m³		0.1℃	0.001 dS/m
accuracy	Typical mineral soil universal calibration: ± 0.03 m³/m³ In (± 3.00% VWC), When the conductivity of soil solution is less than 8 dS/m; Special calibration in any porous medium: ± 0.01-0.02 m³/m³(± 1-2% VWC).	±1εa @1-40 (soil range); 15% of the measured value @ 40~80	±1℃	±5%
sensor type	Frequency domain principle		——	——

Size:9.4 cm x 2.4 cm x 7.5 cm　　Support data collection (purchased separately)：METER's ZL6, EM50/60 series); Other data acquisition systems that provide 4.0~15VDC power supply and support serial communication or SDI-12 communication

　　Probe length:5.5 cm

　　Work environment:-40~60 ℃ (sensors available for use in higher or lower environments, please contact us if needed)

　　Cable length:standard5m. Other lengths can be customized, up to a maximum of 75m.

　　Type of connector:3.5mm headphone plug or bare wire connector

　　Measurement volume:1010 cm³

　　Measurement time:25-150 ms (milliseconds)

　　Supply Voltage(VCC) to GND：minimum4.0 VDC; Typical: NA; maximum 15.0 VDC

　　Digital input voltage(High logic): Minimum:2.8V; Typical 3.6V; Maximum: 3.9V

　　Digital input voltage(Low logic): Minimum:-0.3V; Typical 0.0V; Maximum: 0.8V

　　Digital input voltage(High logic):minimum:NA; Typical: 3.6V; Maximum: NA

　　Power line conversion rate: Minimum1.0V/ms； Typical: NA; Maximum: NA

　　electric current：25 second measurement period: minimum 3.0mA; typical 3.6mA; maximum 16.0mA; static waiting period: minimum NA; typical 0.03mA; maximum NA

　　Start Time：DDI serial port: minimum 80ms; typical NA; maximum 100ms; SDI-12: minimum NA; typical 245ms; maximum NA

　　Following standards:exist Production under ISO 9001:2015 standard; EM ISO/IEC 17050:2010 (CE marking); 2014/30/EU and 2011/65/EU; EN61326-1:2013 and EN55022/CISPR 22

　　electric current：25 second measurement period: 3.0~16.0mA, typical 3.6mA; static waiting period: typical 0.03mA

　　Start Time：DDI serial port 80-100ms; SDI-12 typical 245ms

　　Origin and Manufacturer: United StatesMETER Corporation (Former Decagon)