Instruction manual

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors
TABLE 7-1. Connection to Campbell Scientific Dataloggers
Color
Description
CR800, CR850
CR1000, CR3000
CR5000, CR23X
CR10X
White High Range Signal Single-ended Input Single-ended Input
Blue Low Range Signal Single-ended Input Single-ended Input
Green Signal Ground AG
Black Power Ground G G
Red Power SW12V SW12V
Clear Shield G G
FIGURE 7-1. OBS-3+ connected to a CR1000 Datalogger (OBS300
has the same wiring)
The assignment of channel (for example, SE1, SE2) vary
depending on application.
NOTE
11