Specifications

CNR4 Net Radiometer
FIGURE 6-4. Labels on the pigtail end of the TEMP cable.
TABLE 6-1. Datalogger Connections for Differential Measurement
Function Wire Color CR1000 CR3000/CR5000
Pyranometer Up Signal Red Differential Input (H) Differential Input (H)
Pyranometer Up Reference *Blue Differential Input (L) Differential Input (L)
Pyranometer Down Signal White Differential Input (H) Differential Input (H)
Pyranometer Down Reference *Black Differential Input (L) Differential Input (L)
Pyrgeometer Up Signal Grey Differential Input (H) Differential Input (H)
Pyrgeometer Up Reference *Yellow Differential Input (L) Differential Input (L)
Pyrgeometer Down Signal Brown Differential Input (H) Differential Input (H)
Pyrgeometer Down Reference *Green Differential Input (L) Differential Input (L)
Shield Clear
Thermistor Signal White Single-ended Input Single-ended Input
Thermistor Voltage Excitation Red Voltage Excitation (VX) Voltage Excitation (VX)
Thermistor Signal Reference Black
Shield Clear
*Jumper to with user supplied wire.
TABLE 6-2. Datalogger Connections for Single-ended Measurement
Function Wire Color CR1000 CR3000/CR5000
Pyranometer Up Signal Red Single-Ended Input Single-Ended Input
Pyranometer Up Reference Blue
Pyranometer Down Signal White Single-Ended Input Single-Ended Input
Pyranometer Down Reference Black
Pyrgeometer Up Signal Grey Single-Ended Input Single-Ended Input
Pyrgeometer Up Reference Yellow
Pyrgeometer Down Signal Brown Single-Ended Input Single-Ended Input
Pyrgeometer Down Reference Green
Shield Clear
Thermistor Signal White Single-ended Input Single-ended Input
Thermistor Voltage Excitation Red Voltage Excitation (VX) Voltage Excitation (VX)
Thermistor Signal Reference Black
Shield Clear
*Pull back wires for Pt-100 (grey, brown, green, and yellow), which are not in use, and tie them around the TEMP
cable using a cable tie or electrical tape to avoid possible damage to the Pt-100, due to electrical short circuit.
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