Sign In
Upload
Manuals
Brands
Hach Manuals
Measuring Instruments
940
Hach 940 Manuals
Manuals and User Guides for Hach 940. We have
1
Hach 940 manual available for free PDF download: User Manual
Hach 940 User Manual (103 pages)
Intrinsically Safe Flow Meters
Brand:
Hach
| Category:
Measuring Instruments
| Size: 2.07 MB
Table of Contents
Table of Contents
3
Section 1 Specifications
5
Section 2 General Information
9
Safety Information
9
Use of Hazard Information
9
Precautionary Labels
9
Hazardous Locations
10
Intrinsically Safe Equipment
10
Confined Space Entry
12
Section 3 Getting Started
15
Installing the Flow Meter-Considerations
15
Choosing the Proper Site
15
Dealing with Difficult Sites
15
Choosing the Appropriate Meter and Sensor Combination
15
Section 4 Meter Installation
17
Approved 911 and 940 Installation Drawings
17
Installing the Batteries
32
Installing the Battery Pack in the 940
32
Installing the Battery Pack in the 911
33
Battery Compartment Desiccant
34
Estimating the Battery Life
34
Recharging the Lithium Ion Battery Pack for Model 940
35
Recharging the Battery Pack for Model 911
36
Wiring the RS232 Interface
37
RS232 Serial Port
37
Wiring the Sampler Interface on Model 940
38
Sampler Receptacle (940 Only)
39
Connecting the Sampler Cable to a 940 Flow Meter
40
Connecting a Non-Sigma Sampler to a 940 Flow Meter
40
Section 5 Software and Communications
43
Required Software
43
Programming and Analysis Options
43
Section 6 Sensor Installation
45
Downlook Ultrasonic Sensor
45
Installing the Downlook Ultrasonic Sensor
45
Troubleshooting the Downlook Ultrasonic Sensor Installation
50
In-Pipe Ultrasonic Sensor
51
Mounting the In-Pipe Sensor
51
Angling the Beam
52
Calibrating the In-Pipe Ultrasonic Sensor
52
Protecting the In-Pipe Ultrasonic Sensor
53
Troubleshooting the In-Pipe Sensor
54
Installing the Submerged Area/Velocity Sensor
54
Zeroing the Submerged Area/Velocity Sensor
54
Important Installation Guidelines for Submerged Area/Velocity Sensor
54
Connecting the Submerged Area/Velocity Sensor to the Mounting Bands
55
Placing the Submerged Area/Velocity Sensor and the Mounting Band into the Pipe
56
Table of Contents
59
Section 7 Maintenance
59
Maintaining the Battery Compartment Desiccant
59
Replacing the Battery Compartment Desiccant
59
Maintaining the O-Ring Gasket on the End Cap
59
Cleaning the Flow Meters
60
Storing the Flow Meters
60
Cleaning the Connectors
60
Maintaining the Electronics Compartment
60
Fuses
60
Memory Batteries
60
Replacing the Batteries in the RS232 Interface
61
Maintaining the Submerged Area/Velocity Sensor
61
Cleaning the Transducer Port
61
Cleaning the Submerged Area/Velocity Sensor (Oil-Filled and Non-Oil)
62
Replenishing the Oil
64
Changing the Submerged Area/Velocity Sensor Desiccant
65
Replacing the Desiccant
66
Section 8 Replacement Parts and Accessories
69
Flow Meter Replacement Parts
69
Sensors
69
Sensor Mounting Rings and Bands
69
Ultrasonic Sensor Mounting Hardware
70
Mounting Plate Hardware for Directly Mounting to Pipe Wall
71
Section 9 Contact Information
73
Section 10 Contact Information for Europe
74
Section 11 Limited Warranty
75
Appendix A Working with Primary Devices
77
Appendix B Channel Installation Options
83
Appendix C Batteries and Chargers
89
Appendix D SCADA-Modbus® System Guidelines
93
Advertisement
Advertisement
Related Products
Hach polymetron 9240
Hach POLYMETRON 9245
Hach POLYMETRON 9125
Hach POLYMETRON 9135
Hach Polymetron 9586
Hach 9525sc
Hach 910
Hach 911
Hach Polymetron 9611sc
Hach Polymetron 9610sc
Hach Categories
Measuring Instruments
Laboratory Equipment
Accessories
Controller
Control Unit
More Hach Manuals
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL