BUBBLER PARTS
DATA CONNECTIONS
Use the following diagram for datalogger to Bubbler connections.
SDI-12 Connections
4-20mA Connections
Pin
Description
Pin Description
1
12 VDC
3
Ground
2
Serial data
4
4-20mA positive
3
Ground
5
4-20mA negative
6
Chassis ground
6
Chassis ground
1 2 3 4 5 6
PINS
Barbed hose fitting
for desiccant hose
Bubbler outlet
(orifice line connection)
Bubbler air
intake fitting
Power
terminal block
Data terminal block
3
