
X-320 Environmental Sensor Compatibility
Solar Radiation
Solar radiation configuration can be validated at clearskycalculator.com. The calculations assume a clear sky and should be within about 3% within one hour
of solar noon.
Make Model Output Power Mount Approx
Price
Qual Slope Offset Connections Notes
Apogee
Instruments
SP-215 0-5 VDC 5 VDC, 285 uA Apogee
Shelf
$219 F 250 (W/m^2) 0 Analog Input
5 Vref
AGnd
Use with Apogee leveling plate.
Davis
Instruments
6450 0-2.5 VDC 3 V, 1 mA Davis
Shelf
$160 F 598.88
(W/m^2)
0 Analog Input
5 Vref (See
note.)
AGnd
A voltage divider between +5Vref and Agnd
was used for testing. A series network with a
220 Ohm and a 330 Ohm resistor between
+5Vref and AGnd was tested.
Met One 096 Plate or
Pole
D Analog Input
5 Vref
AGnd
P = Preliminary, D = Data sheet evaluation, B = Bench tested, F = Field tested
Soil Moisture
Make Model Output Power Mount Approx
Price
Qual Slope Offset Connections Notes
Irrometer 200SS-V 0-2.8 VDC 3.2-30 VDC
(1.5 mA)
n/a $88.00 D 85.36 0 Analog Input
+5 Vref
GND
2.9 V output = Fault code
3.0 V output = Open circuit fault code
P = Preliminary, D = Data sheet evaluation, B = Bench tested, F = Field tested
Page 6 Xytronix Research and Design, Inc.
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