Campbell CNR1 Especificaciones descargar pdf (Pagina 14)

CNR1 Net Radiometer

The four radiation outputs can be measured using Differential or Single-Ended

inputs on the datalogger. A differential voltage measurement (Instruction 2) is

recommended because it has better noise rejection than a single-ended

measurement. When differential inputs are used, jumper the low side of the

input to AG or

to keep the signal in common mode range.

TABLE 5-1. Datalogger Connections for Differential Measurement, When Using a 4WPB100

Function

Color

CR10X

CR800, CR850,

CR1000

21X/CR7, CR23X

CM3 Up Signal Red Differential Input (H) Differential Input (H) Differential Input (H)

CM3 Up Reference *Blue Differential Input (L) Differential Input (L) Differential Input (L)

CM3 Down Signal White Differential Input (H) Differential Input (H) Differential Input (H)

CM3 Down Reference *Black Differential Input (L) Differential Input (L) Differential Input (L)

CG3 Up Signal Grey or

†Orange

Differential Input (H) Differential Input (H) Differential Input (H)

CG3 Up Reference *Yellow Differential Input (L) Differential Input (L) Differential Input (L)

CG3 Down Signal Brown Differential Input (H) Differential Input (H) Differential Input (H)

CG3 Down Reference *Green Differential Input (L) Differential Input (L) Differential Input (L)

Shield Shield G

*Jumper to AG or with user supplied wire.

†Cables extended > 48’ have an orange wire.

Pt-100 Temperature Sensor Connections to 4WPB100 and Datalogger

Function Color 4WPB100 Datalogger

Black Wire Excitation

H Differential Input (H)

Pt-100 Excitation + Red L Differential Input (L)

Pt-100 Excitation - Blue G (AG CR10X/CR510)

Pt-100 Signal + Yellow Differential Input (H)

Pt-100 Signal – Green Differential Input (L)

TABLE 5-2. Datalogger Connections for Single-Ended Measurement, When Using a 4WPB100

Function

Color

CR10X

CR23X, 21X, CR7

CR800, CR850,

CR1000

CM3 Up Signal Red Single-Ended Input Single-Ended Input Single-Ended Input

CM3 Up Reference Blue AG

CM3 Down Signal White Single-Ended Input Single-Ended Input Single-Ended Input

CM3 Down Reference Black AG

CG3 Up Signal Grey or Orange Single-Ended Input Single-Ended Input Single-Ended Input

CG3 Up Reference Yellow AG

CG3 Down Signal Brown Single-Ended Input Single-Ended Input Single-Ended Input

CG3 Down Reference Green AG

Shield Shield G

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 39 40

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