Main functions

Measurement or monitoring of soil moisture content

12 analog channels, 4 digital channels (2), 1 SDI-12 channel

2 control relays (4 can be added, up to 6)

Application areas

Long-term monitoring of moisture in precision agricultural irrigation systems

Study on quantitative irrigation and automatic irrigation of small-scale cultivation systems

Quantitative study on the relationship between temperature, moisture and rainfall in agricultural systems

Technical parameters

Analog channels: differential voltage (maximum 12 channels); single-ended voltage (shared ground, maximum 24 channels); 2-core resistor (maximum 24 channels); 3-core resistor (maximum 12 channels); bridge or potential sensor(Maximum 12 channels); temperature sensor (maximum 12 channels, maximum 2 core thermistor 24)

Digital channels: 4 digital inputs; fast counting or frequency (30kHz, maximum 2 channels); slow counting or frequency (100Hz, maximum 2 channels); digital state (logic level/open collector/switch-closing, maximum4 channels)

Temperature sensor: thermistor (2k and 10k models); thermistor (J, K and T models)

WET sensor: 1 channel to measure soil moisture, temperature and conductivity

Record options: individual reading, statistics, total, integral, wind direction, vector average, gust, wind direction graph, conditional record

Recording interval: 1 second to 24 hours, each channel can be set separately.Typical sampling rate >16 channels/sec

Storage capacity: 4MB flash memory, typically storing 2.5 million readings

Collection frequency: 1s to more than 24 hours

Internal power supply: 6 AA alkaline persistence, can use 300,000 readings

Sensor Trigger: Nominal 3V Reference, +5V and +12V Stable or 5~10.5V (battery or external power supply), user selection

Control: 2 relay outputs, can be expanded to 6 relay outputs, locking SPST relay rated 1A, 24VAC, 32V DC for power supply sensors, control external equipment or provide alarms

Use environment: working temperature -20~+60℃, rainproof shell, IP65 protection grade, built-in desiccant