UGT Easy-To-Go Lysimeter

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The Easy-To-Go Lysimeter (ETG) is a cost-effective lysimeter solution. It provides all the essential features for determining the key components of soil water balance.
The ETG consists of a lysimeter vessel with a diameter of 300 mm and a height of 600 mm, along with two soil moisture and temperature sensors, a tipping counter, a weighing system, and a data logger enclosure. The data is transmitted wirelessly to a data management portal. All ETG units are suitable for both constructed and undisturbed soil monoliths (using specialized sampling technology). The ETG lysimeter station can be set up and operated with standard tools—no training is required.

Precise water balancing directly on the spot

Using a dedicated weather station, the ETG lysimeter allows for precise quantification of the local water balance. Evapotranspiration can be determined directly and reliably through changes in the lysimeter’s weight. With our highly specialized weighing system, you benefit from our extensive experience in lysimeter technology. This precise technology enables direct water balance analysis with a resolution of 0.01 mm. It can also easily detect dew, snow, and small amounts of evapotranspiration.

Insights into the "black box" of soil

In addition to weighing, the ETG lysimeters are equipped with high-resolution probes for soil moisture and temperature. Soil moisture is measured as volume % water content, an important parameter in the water balance of the soil profile. The free drainage system at the bottom of the monolith, along with the automatic submersible pump at the base of the outer vessel, provides both quantitative and qualitative insights into seepage water.

High spatial repeatability for comprehensive investigations

Thanks to the affordable design of the ETG lysimeter, you can directly measure water balance variables or set up an extensive lysimeter network, even on a limited budget. This allows for high spatial resolution, making it ideal for researching the water balance of a specific area or assessing water management issues.

Components	Parameter	Specification
Lysimeter	Dimension total	H: 981 mm, Ø416 mm
	Dimension lysimeter vessel	H: 600 mm, Ø300 mm
	Material	stainless-steel
	Sensor levels in the lysimeter vessel	200 and 400 mm from the top
SMT-100	Soil moisture	Measuring range: 0…60 % Accuracy: ± 3 %, Resolution: 0,1 %
	Temperature	Measuring range: -40 … +80°C Accuracy: ± 0,2 % Resolution: 0,01°C
Tipping counter	Tipping volume	5 ml
	Dimension	Ø116 mm, H: 137 mm
	Weight	230 g
	Impulse counter	1 mm ±5 % per tilt
	Collecting surface	50 cm²
Load cell	Type	Tedea-Huntleigh 1042, Single point load cell
	OIML-class	C3 standardisiert
	Capacity	1 … 200 kg
	Maximum safe central overload	100 kg
	Resolution	1 g
NB-IoT-Universallogger	Dimension	65 x 33 x 107 mm
	Field of application	-40 … 80 °C
	Transmission interval	1-hour interval preset by UGT (shorter transmission rates can be preset by UGT, note the reduction in battery life)
	Protection class housing	IP 68
	Power supply	3,6 V Lithium battery LS33600/17.000 mAh
	Power consumption	Low, <3.5 μA in sleep mode / 250 mA when transmitting
	Antenna	Helical, gain 2.5 dBi
Submersible pump	Pump pressure	max. 1.4 bar
	Flow rate	max. 1320 l/h
	Dimension	Ø80 mm, H: 135 mm
	Weight	290 g
	Operating voltage	12 V

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