DJ-2124 Miniature Dual-Layer Soil Lysimeter System for Evapotranspiration & Water Balance Research,Dianjiang Tech_specification/price/image

Product Detail
Company Profile

【Product Overview】
The DJ-2124 Miniature Dual-Layer Soil Lysimeter System is a precision instrument designed for direct measurement of evapotranspiration based on the water balance principle. This compact system enables accurate quantification of rainfall, evapotranspiration, and drainage, making it ideal for scientific research in water balance, material balance, and soil solute transport studies.

【Key Features】
• Compact & Lightweight: Easy transport and rapid field deployment
• Cost-Effective: Group configuration supported to reduce experimental errors
• Durable Construction: SUS304 stainless steel inner tank + PP high-polymer outer tank; rust and corrosion resistant
• Direct Water Balance Measurement: Real-time monitoring of ET components
• Automatic Systems: Integrated drainage and remote data transmission to cloud platform
• Unattended Operation: Solar panel (12V/60W) + 65Ah battery power supply
• Multi-Depth Monitoring: Sensor ports at 100mm, 300mm, and 500mm depths
• Customizable: Sloped land applications available upon request

Technical Specifications:

Data Logger
Analog Inputs	8 single-ended inputs, can configured individually for voltage measurement
Pulse Inputs	4
Voltage Excitation Terminals	3
Switched 12 Voltage	12
SDI-12	8
RS485 / RS232	4
Analog Voltage Accuracy	12-bit resolution, range 5000 mV, input impedance 50 kΩ, basic resolution 1.47 mV, accuracy ±(0.1% reading + 2 LSB) (-20 °C to +40 °C)
Power Supply	External battery 11–24 V DC
Communication Protocols	Modbus, RS485/RS232, SDI-12, and others
Internal Storage	32 MB, capable of storing 64,384 data points;(1 data per hour for 7.3 years)
Current Drain	Sleep: 0.24 mA; Idle: 4.6 mA; Measurement: 12 mA (excluding sensors); Network transmission: avg. 40 mA
Mobile Data Transmission	Supported, with built-in SIM card for LTE CAT1
Cloud Platform	Supported, with free cloud data storage, data processing, historical curve display, API data services, and private platform integration
GPS	Built-in high-precision GPS
Built-in Sensors	High-precision barometric pressure sensor, motherboard temperature monitoring
Dimensions	350 mm × 250 mm × 120 mm
Weight	4.5 kg
Operating Temperature	-20 °C to +70 °C (customizable to -40 °C)
Protection Rating	IP65
Lysimeter Tank
Dimensions	Inner tank: φ600 mm × 600 mm; Outer tank: φ800 mm × 800 mm
Material	Inner tank: SUS304 stainless steel; Outer tank: PP high-polymer
Sensor Ports	At 100 mm, 300 mm, and 500 mm depths
Weighing System
Weighing Range	0–500 kg
Measurement Resolution	Equivalent water depth variation of 0.01 mm
Infiltration	Equivalent water depth variation of 0.015 mm
Output	RS485/232
Measurement Method	Single-point
Drainage System
Flow Rate	1500 ml/min
Triangular Support
Overall Height	2 meters
Material	SUS304 stainless steel
Installation Rod Outer Diameter	42 mm
Power Supply System
Solar Panel	12 V, 60 W
Battery	12 V, 65 Ah (with buried box)
Data Transmission
Cloud platform	3 years –access free
Soil Sensors
Sensor quantity	3 sensors and placed at 100 mm, 300 mm, and 500 mm depths
Measurement Range	Moisture: 0.88–81.88%; Temperature: -40 °C to +80 °C; Conductivity: 0–23,000 us/cm
Protection Rating	IP68