MT20A/MT20B-Soil Moisture, EC, Temperature Sensor, SDI-12

Time:2020/07/11 View:7861 Category:Products Category:SDI-12 Products Category:SDI-12 Sensors Category:Soil Moisture Category:Soil Moisture & Temperature Category:Soil Moisture & Temperature & EC Category:Soil Salinity Category:Soil Science

MT20 is a sensor with SDI-12 interface, measuring soil moisture content, temperature and EC, or soil moisture content and temperature regarding the order information. It sealed with resin packaged plastic body with sensing rods which can be insert directly into the soil with long time stability. The sensor is applicable for science research, irrigation, greenhouse, smart agriculture, Hydroponic rockwool / Mineral wool slab moisture monitoring etc.

Resources
User Manual	UM-MT20 SDI-12 Soil Moisture, EC and Temperature Sensor-V6.01
Software	SensorOneSetSDI12-EN

Sensor Comparison
Product Code	Comments
MT22A	Soil Moisture & Temperature & EC (Protocol compatible with METER TEROS12)
MT22B	Soil Moisture & Temperature (Protocol compatible with METER TEROS11)
MT20A	Soil Moisture & Temperature & EC (Protocol compatible with Decagon 5TE)
MT20B	Soil Moisture & Temperature (Protocol compatible with Decagon 5TM)
MT21A	Soil Moisture & Temperature & EC (Protocol compatible with Decagon GS3)

■ Integrated with Soil Moisture, temperature or with EC measurement

■ Output Interface SDI-12

■ Low salinity sensitivity

■ Minimal soil disturbance

■ Water proof to IP68 ratings and can be directly buried into soil

■ High accuracy with excellent stability

■ Reverse power protection and Built-in TVS/ESD protection

■ ODM/OEM Service

Specifications
Output Interface	SDI-12, V1.3
Power Supply	3.6-16V/DC
Power Consumption	Quiescent Current : 30uA Measuring Current : 10mA during 150ms measurement
Soil Moisture Measurement	Apparent dielectric permittivity (): Range:1-81 (air – water) Resolution:1.00-40.00:±0.1,40.00-81.00:±0.5 Accuracy:1.00-40.00:±2%,40.00-81.00:±5% Soil Moisture(VWC): Range:0%-100% (air – water) Resolution:derived by the conversion function from epsilon to VWC Accuracy:derived by the conversion function from epsilon to VWC
EC Measurement	Range: 0-23ds/m Resolution: 0-7ds/m, 0.01ds/m; 7-23ds/m, 0.05ds/m Accuracy: 0-7ds/m, 5%; 7-23ds/m,15% EC temperature compensation: 0-50°C
Temperature Measurement	Range: -40~80°C, Resolution:0.1°C, Accuracy:±0.5°C
Measurement Technique	Moisture by FDR and EC by AC excitation
IP Ratings	IP68
Operating Temperature	-40~85°C
Sensor Rod	Stainless steel
Sensor Sealed	Epoxy resin
Installation	Surface or buried installation
Cable Length	5 meters or Customize
Dimension	887126mm

Ordering Information

Parameters

Code

Comments

Code 1:

Product Series

MT20

MT20 SDI-12 interface sensor

Code 2:

Measuring Parameters

Soil Moisture & Temperature & EC

Soil Moisture & Temperature

Code 3:

Soil Moisture Range

0-100%

Code 4:

EC Range

0-23ds/m

No EC measurement(select this if do not need EC)

Code 5:

Power Supply

3.6-16V DC

Code 6:

Connector

3.5 mm stereo plug

Cold pressed terminal

Stripped & tinned lead wires

Code 7:

Cable Length

005

XXX

5 meters

Customize, XXX is required cable length(Unit: meter)

Ordering Code Example:

MT20 SDI-12 interface sensor,Soil Moisture & Temperature & EC, Soil Moisture Range 100%, EC range 0-23ds/m, Power supply 3.6-16V DC,3.5 mm stereo plug, Cable length 5 meters. Ordering Code is : MT20 – A B C B A 005

Tags5TE/5TM Decagon METER SDI-12 Soil Moisture Sensor

PREV: MT05V-Soil Moisture Sensor, Voltage Output

NEXT: MT21A-Soil Moisture, Temperature Sensor, SDI-12

Recommendations