H-312 – Xylem H-312-22 User Manual
Page 7

H-312
Introduction 1-3
1.2 Check The Sensor Cable
Be sure that the vented cable is long enough to reach from the submerged location selected to the
junction box of the dry air system. Also, be sure that the data logger cable is long enough to
reach from the dry air junction box to your data recorder
1.3 Check The Model Number
Before installing your new W
ATER
LOG
®
H-312, check the information on the label of the sensor
enclosure. Check the model number, the range, and the output type to be sure that you have
received the instrument you ordered. The label will look similar to the following:
.
This example shows
that the W
ATER
LOG
®
H-312-15 measures pressure within the range from zero to 15 psi. This
model works with a recording device that follows the SDI-12 protocol.
H-312
Model
Submersible Pressure Sensor
S/N
1103
Range:
0-15 PSI (34.6' H20)
Output:: SDI-12
Input:
10 to 16.0 Volts