Decagon Devices ECH2O EA-10 Руководство интегратора - Страница 8
Просмотреть онлайн или скачать pdf Руководство интегратора для Аксессуары Decagon Devices ECH2O EA-10. Decagon Devices ECH2O EA-10 14 страниц. Soil moisture sensor
EA-10 Soil Moisture Sensor Integrator's Guide
Electrical Connection
The EA-10 is a 2 wire, 4 - 20 mA transmitter. When
connected to a 7 - 32 volt source (line power), the cur-
rent is linearly proportional to the water content of the
soil. Below is an EA-10 wiring diagram:
Sensor cable
The red wire connects to the positive supply and the
white wire to the negative supply. The shield (bare
45°
EA-10 turf placement
Analog out (Red)
Excitation (White)
6
2. Installing the EA-10
ground level
1.0"
(2.54 cm)
Ground (Bare)