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Manual
H2O Transmitter
Transmitter for reading soil water content sensors (VWC: Volumetric Water Content)
It offers the following benefits:
• Reading of up to three sensors of this type:
‒ Decagon 10HS (VWC)
‒ Decagon EC5 (VWC)
‒ Meter Group TEROS-10 (VWC)
• Reading such a sensor:
‒ Meter Group PHYTOS-31
• The transmitter adapts the signals coming from the sensors and generates an output in
standard 4-20mA current values.
H2O Transmitter
From the transmitter itself, the number and type of sensors and the soil variety can be configu-
red by using a Module Reader.
The transmitter supplies each sensor with the necessary supply voltage depending on the type
of sensor configured internally.
All sensors connected to the same transmitter must always be of the same type.
CODE 2 SENSORS 06750001 | 3 SENSORS 06750002
or wet leaves (LWS: Leaf Wetness Sensor).
3-level VWC sensor
H2O Transmitter
Leaf wetness sensor
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Table of Contents
Summary of Contents for Sistemes Electrònics Progrés s.a. 06750001
- Page 1 Manual H2O Transmitter CODE 2 SENSORS 06750001 | 3 SENSORS 06750002 Transmitter for reading soil water content sensors (VWC: Volumetric Water Content) or wet leaves (LWS: Leaf Wetness Sensor). It offers the following benefits: • Reading of up to three sensors of this type: ‒...
- Page 2 Technical characteristics Power supply Power supply 12 Vdc to 20 Vdc Energy consumption 3 sensors: less than 0’9 W Thermal (PTC) 0’4 A at Surge fuse Input 25 ° C self-resetting Reverse Current Protection: Outputs Output sign 4 – 20 mA 1, 2 o 3 outputs Sensor power supply 3 Vdc to 12 Vdc...
- Page 3 Installation • The transmitter should be positioned horizontally, so that moisture does not accumulate at the ends. • The transmitter should be placed in a location that is not directly exposed to the sun. • It is absolutely necessary to keep the box water-tight. •...
- Page 4 Sensor connection hose, 6-wire (2 sensors) or 9-wire (3 sensors): Sensor connection Wire colour Function 1 sensor 2 sensors 3 sensors White Analogue sensor input 1 Brown Common sensor power supply Green VA1 Sensor 1 power supply Yellow Analogue sensor input 2 Grey Common sensor power supply Pink...
- Page 5 Configuration The transmitters are generally configured at the factory. However, it is possible to make consultations or configurations through the use of a “Module Reader,” consisting of a screen and four keys that are connected to the transmitter through the only interior visible connector.
- Page 6 H2O ANALOGUE SENSOR FORMAT The possibility of selecting one soil type or another is determined by the manufacturer of each of the sensors. Being able to make this selection allows the H2O transmitter to carry out one process or another with the sensor readings, as recommended by the manufacturer itself: •...
- Page 7 • EC-5 Decagon Decagon The sensor delivers a Sensor format EC-5 voltage x[mV] that the H2O transmitter transforms Parameter Default value into VWC [%] (Volumetric Water Content or Soil No. of integers Water Content) using the following expression: No. of decimals VWC [%] = bx+a, and according to soil type: Sign Units...
- Page 8 Sistemes Electrònics Progrés, S.A. Polígon Industrial, C/ de la Coma, 2 | 25243 El Palau d’Anglesola | Lleida | España Tel. +34 973 32 04 29 | info@progres.es | www.progres.es R-2247-1...
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