UniData Communication Systems 6541 Manuals

Manuals and User Guides for UniData Communication Systems 6541. We have 1 UniData Communication Systems 6541 manual available for free PDF download: Manual

UniData Communication Systems 6541 Manual (49 pages)

Precision Water Level Instrument

Brand: UniData Communication Systems | Category: Measuring Instruments | Size: 0.5 MB

Table of Contents
3
6541B Water Level Instrument

5
- Superseded Instruments
  5
- Manual Organisation
  5
2 Applications

6
- Using the 6541
  6
- Features
  7
- Operating Modes
  8
- Models
  9
- Model 6541B with Micrologger
  10
- Output Options
  10
- Mounting and Installation Options
  11
- Float Systems
  11
- Micrologger Options
  12
3 Logging Data

13
- Creating a Scheme for Your Project
  13
  - Adding an Instrument to a Scheme
    13
  - When to Log
    15
  - What to Log
    16
4 Preparing for Installation

18
- Controls and Settings
  18
- Connecting a Battery Pack
  18
- Connecting to an External Data Logger Via Hsio
  19
  - HSIO Interfaces
    20
- Connecting more than One Instrument to a Logger
  20
- Sdi-12 Interface
  20
  - Wiring Connections
    21
  - Commands
    21
- Current Loop Interface (4-20Ma)
  22
  - Wiring Connections
    22
  - Span & Zero Configuration
    23
- Hsio Interfaces
  24
- Connecting more than One Instrument to a Logger
  24
- Bench Testing the Instrument System
  25
5 Site Installation

26
6541 Applications

28
7 Specifications: Model 6541 Instrument

32
8 Appendix A - 6541L Micrologger

33
- Specifications
  33
- Mounting
  33
- Signal Connections
  34
- Other Connectors
  35
- The User Power Supply (Ups)
  35
- Register Allocation
  36
- Field Installation
  37
- 6541S/B 4-20Ma Option
  37
9 Appendix B - Details of Unidata Float Systems

38
- Float Lines
  38
- Floats
  38
- Float Pulleys
  41
- Float System Accessories
  41
10 Appendix C - Float Systems

42
- Introduction to Float Systems
  42
- Sources of Error in Float Systems
  42
- Causes of Error
  42
  - Float Line Shift
    43
  - Submergence of Counterweight
    43
  - Instrument Lag
    43
  - Temperature Change
    44
  - Coefficients of Expansion
    44
  - Correction Formulae
    44
  - Example
    45
- Reducing Errors
  45
11 Appendix D - Floatwells

46
- The Need for Floatwells
  46
- Floatwell Design
  46
- Mounting the Instrument on a Floatwell
  47
- Measuring Location
  47
  - Water Velocity
    47
  - Siltation
    48
  - Environmental Impact
    48
  - Access and Security
    49
- Other Features of a Floatwell Site
  49

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UniData Communication Systems 6541 Manuals

UniData Communication Systems 6541 Manual (49 pages)

Table of Contents

6541B Water Level Instrument

2 Applications

3 Logging Data

4 Preparing for Installation

5 Site Installation

6541 Applications

7 Specifications: Model 6541 Instrument

8 Appendix A - 6541L Micrologger

9 Appendix B - Details of Unidata Float Systems

10 Appendix C - Float Systems

11 Appendix D - Floatwells

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