Rain Master Weather Center II, Руководство пользователя

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Weather Center II User Manual Rain Master Irrigation Systems
Page 28
Sensor Accuracy:
+/-1% of evapotranspiration.
Sensor Resolution:
0.01 inch reference Evapotranspiration ( ET).
Sensor Output:
A single pulse per 0.01 inch of ET.
Sensor Capability:
Solar Radiation, Air Temperature, Relative
Humidity, Wind Speed.
Installation: Connects directly into a Rain Master Evolution
DX2 controller equipped with a sensor board.
The ET is read directly from the Evolution DX2
controller by the Evolution Central Computer.
Connects directly to the RME Eagle Controller.
The ET is read and used directly by the RME
Eagle Controller. The Rain Master iCentral
Internet site can request this data from the RME
Eagle Controller.
Dimensions: 120.0 inches high x 4.0 inches in diameter, the
tower base is 12.0 inches x 12.0 inches
Shipping Weight:
81 pounds
Mounting: Inside Weather Center tower
Materials: G5055 White Poly-vinyl Chloride (PVC)
housing
Electrical
Signal: Electrical signal is pulsed low for 2.0 (+/- .07)
seconds after each 0.01” ET pulse.
Impedance: Normally open circuit of 53 OHMS during
pulse. (Max voltage from receiving equipment:
12V DC)
Transient
Protection: Full lightning protected, except direct strikes to
the unit.
Power Source 12 Volts DC, provided by plug-in transformer.
Freeze Protection:
Unit will continue to work below freezing
temperatures.
Table 8 - Sensor Specifications