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SR50A Series
Campbell SR50A Series Manuals
Manuals and User Guides for Campbell SR50A Series. We have
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Campbell SR50A Series manuals available for free PDF download: Product Manual, Instruction Manual
Campbell SR50A Series Instruction Manual (64 pages)
Sonic Ranging Sensors
Brand:
Campbell
| Category:
Accessories
| Size: 1.08 MB
Table of Contents
Table of Contents
4
1 Specifications
6
2 Introduction
8
3 Operation
9
Quality Numbers
9
Temperature Compensation for SR50A Version
10
Temperature Compensation for SR50AT Version
11
Figure 1 SR50AT-CBL
11
SDI-12 Operation
12
SDI-12 Wiring
12
SDI-12 Addresses
13
SDI-12 Commands
13
RS-232 Operation
16
RS-232 Wiring
16
RS-485 Operation
17
RS-485 Wiring
17
RS-232 and RS-485 Settings
18
Figure 2 SR50A to MD485 Wiring
18
BAUD Rate Setting
20
Address
21
Operational Mode Setting
21
Measure in Poll Mode
21
Auto Measure Auto Output Mode
22
Auto Measure Polled Output Mode
22
Distance to Target or Depth
22
Distance to Ground
23
Measurement Interval Units
23
Measurement Interval Value
23
Diagnostics Output
24
Output Unit
24
Quality Output
24
Temperature Output
24
Serial Commands
24
Setup Command
24
Poll Command
25
Information Command
25
Temperature Input Command
25
RS-232/RS-485 Data Output Format
26
Measurement Output
26
Information Message Output
28
4 Sensor Mounting and Installation
30
Beam Angle
30
Mounting Height
30
Figure 3 Beam Angle Clearances
30
Reference Point
31
Mounting Options
31
Figure 4 Distance from Edge of Transducer Housing to Grill
31
Figure 5 SR50A Mount - Mounted Parallel to Pipe
32
Figure 6 SR50A Mount - Mounted Perpendicular to Pipe
32
Figure 7 SR50A - Mounted Using Nurail and C2151 Mounting Stem
33
5 Maintenance
34
6 Disassembly/Assembly Procedures
35
Figure 8 Disconnect Cable from Sensor
35
Figure 9 Remove 6 Screws from the Transducer Housing
36
Figure 10 Remove Transducer Housing and Disconnect Wires
37
Figure 11 Location of Desiccant in Transducer Housing Assembly
37
Figure 12 Remove and Replace Desiccant
38
Figure 13 Remove the 2 Flat Philips Screws to Expose the PCB
38
7 Jumper Settings
39
8 SR50A Firmware Updates
40
9 Data Interpretation & Filtering
42
Data Interpretation
42
Data Filtering
42
10 Datalogger Program Examples
45
Programming Example 1
45
SR50A SDI-12 "M1!" CR10X Datalogger
45
Programming Example 2
47
SR50AT SDI-12 "M3!" CR10X Datalogger
47
Programming Example 3
48
SR50A SDI-12 "M1!" CR1000 Datalogger
48
Programming Example 4
49
SR50AT SDI-12 "M4!" Snow Depth Output CR1000
49
Programming Example 5
51
SR50A RS-232 Mode CR1000
51
Programming Example 6
53
SR50AT RS-232 Mode CR1000
53
11 Warnings/Cautions
55
12 APPENDIX A: SR50AH Heater Option
56
Heater Introduction
56
Specifications
56
Heating Cable Requirements
56
Maintenance
57
13 APPENDIX B: Optional Open Faced Transducer for Harsh Environments
62
General
62
14 APPENDIX C: SR50A-316SS and SR50AT-316SS Options
63
Introduction
63
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Campbell SR50A Series Product Manual (67 pages)
Sonic Ranging Sensors
Brand:
Campbell
| Category:
Accessories
| Size: 18.71 MB
Table of Contents
Table of Contents
5
1 Introduction
8
2 Precautions
9
3 Initial Inspection
10
4 Quickstart
10
5 Overview
14
6 Specifications
16
Integrated Temperature Sensor
17
7 Installation
17
Beam Angle
18
Mounting Height
18
Reference Point
19
Mounting
19
Wiring
21
Programming
22
SDI-12 Programming
22
RS-232 Programming
23
RS-485 Programming
23
8 Operation
24
Quality Numbers
24
Temperature Compensation
25
SDI-12 Measurements
26
Measuring Multiple SDI-12 Sensors
30
9 Maintenance and Troubleshooting
30
Disassembly/Assembly Procedures
30
Data Interpretation
34
Data Filtering
34
Appendix A. Importing Short Cut Code into Crbasic Editor
36
Appendix B. Jumper Settings
37
Appendix C. RS-232 and RS-485 Operation
38
RS-232 Wiring
38
RS-485 Operation
40
RS-485 Wiring for Direct Data Logger Connection
40
RS-485 Wiring Using an MD485
41
RS-232 and RS-485 Settings
42
Baud Rate Setting
45
Address
46
Operational Mode Setting
46
Measure in Poll Mode
46
Auto Measure Auto Output Mode
46
Auto Measure Polled Output Mode
46
Distance to Target or Depth
47
Distance to Ground
47
Measurement Interval Units
47
Measurement Interval Value
47
Quality Output
48
Diagnostics Output
48
Serial Commands
48
RS-232/RS-485 Data Output Format
49
Appendix D. SR50AH Heater Operation
52
Heater Specifications
52
Heating Cable Requirements
53
Heater Maintenance
53
Appendix E. SDI-12 Sensor Support
57
SDI-12 Command Basics
57
Acknowledge Active Command (A!)
58
Send Identification Command (Al!)
58
Start Verification Command (Av!)
59
Address Query Command (?!)
59
Change Address Command (Aab!)
59
Start Measurement Commands (Am!)
60
Start Concurrent Measurement Commands (Ac!)
60
Start Measurement Commands with Cyclic Redundancy Check (Amc! and Acc!)
62
Stopping a Measurement Command
62
Send Data Command (Ad0
62
Continuous Measurement Command (Ar0
63
Extended Commands
63
SDI-12 Transparent Mode
63
Changing an SDI-12 Address
64
Changing an SDI-12 Address - CR200(X) Series
65
References
66
Campbell Scientific Regional Offices
67
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