Hach 911 User Manual page 103

B
Batteries and Chargers ............................................ 87
Battery Compartment Desiccant ........................ 32
Battery Disposal ....................................................... 87
Battery Internal Memory ........................................... 58
Battery Life ............................................................... 32
Battery Storage ........................................................ 87
C
Cleaning the Flow Meters ........................................ 58
Combined Sewer Overflow (CSO) Application ........ 84
Continuity Channel ................................................... 85
D
Data Analysis Software ............................................ 41
Data Retrieval .......................................................... 41
Desiccant Maintenance ............................................ 57
Difficult Sites ............................................................ 13
Downlook Ultrasonic Sensor .................................... 43
Dry Channel ............................................................. 82
E
Elbows, Sharp turns, and "Y" connections ............... 13
Event Input ............................................................... 36
F
Flow Equations ........................................................ 41
Flow proportional sampling ...................................... 37
Flow Pulse Output .................................................... 36
Fuses ....................................................................... 58
I
In-Pipe Ultrasonic Sensor ........................................ 49
Installation Considerations ....................................... 13
Installing the Battery Pack ....................................... 30
Intrinsically Safe Equipment ....................................... 8
Intrinsically Safe Installation Requirements ............... 8
Intrinsically Safe Wiring Practices .............................. 9
Invisible Range ........................................................ 43
L
Ladder Rungs .......................................................... 43
Lead Acid (Gel-Cell) ................................................. 87
M
Maintenance ............................................................ 57
Memory Batteries ..................................................... 58
Multiple Source Monitoring at a Single Site ............. 83
,
57
O
Optically Isolated Interface ....................................... 41
O-Ring Gasket ......................................................... 57
O-rings Replacement ............................................... 57
Outfalls ..................................................................... 13
P
Precautionary Labels ................................................. 7
Programming and Analysis ...................................... 41
Protecting the Sensor ............................................... 44
R
RAM memory ........................................................... 58
RS232 Batteries ....................................................... 59
RS232 Interface ....................................................... 59
RS232 Interface Wiring ............................................ 35
RS232 Serial Port .................................................... 35
S
Safety Precautions ..................................................... 7
Sampler Connector Pin Assignments ...................... 36
Sampler Interface Wiring .......................................... 37
Sampler Receptacle ................................................. 37
SCADA-Modbus® .................................................... 91
Seals .................................................................. 10
Sensor Configurations .............................................. 13
Sensor Installation .................................................... 43
Sewer System Management Software ..................... 41
Site Selection ........................................................... 13
Software and Communications ................................ 41
Special Output/Sample Output ................................. 38
Specifications ............................................................. 3
911 ....................................................................... 3
940 ....................................................................... 4
Storing the Flow Meters ........................................... 58
V
Vertical Drops ........................................................... 13
W
Warranty ................................................................... 73
Index
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57
101