Campbell-scientific OBS500 Smart Turbidity Meter with ClearSensor Tech Uživatelský manuál stáhnout pdf (Strana 8)

Table of Contents

7.6.3 Edlog Programming ................................................................... 29

7.7 Operation in High Sediment Loads and Sandy Sediments ................ 30

7.7.1 Wiper Removal Procedure ......................................................... 31

8. Factors that Affect Turbidity and Suspended-

Sediment Measurements ....................................... 33

8.1 Particle Size ....................................................................................... 33

8.2 Suspensions with Mud and Sand ....................................................... 34

8.3 Particle-Shape Effects ....................................................................... 34

8.4 High Sediment Concentrations .......................................................... 35

8.5 IR Reflectivity—Sediment Color ...................................................... 36

8.6 Water Color ....................................................................................... 37

8.7 Bubbles and Plankton ........................................................................ 37

9. Maintenance .............................................................. 38

10. Troubleshooting ........................................................ 39

11. References ................................................................. 41

Appendices

Importing Short Cut Code ...................................... A-1

A.1 Importing Short Cut Code into a Program Editor ............................ A-1

A.1.1 CRBasic Datalogger ................................................................. A-1

A.1.2 Edlog ........................................................................................ A-2

B. Example Programs .................................................. B-1

B.1 CR1000 SDI-12 Program ................................................................ B-1

B.2 CR1000 RS-232 Program ................................................................ B-2

B.3 CR1000 Analog Program ................................................................ B-3

B.4 Examples for High Sediment Loads ................................................ B-4

B.4.1 Normally Open CR1000 Example ............................................ B-4

B.4.2 Cycle Shutter/Wiper for Each Measurement CR1000

Program ................................................................................ B-5

C. OBS500 Copper Sleeve Kit Installation ................. C-1

Figures

4-1. Use strain relief to keep stress off the cable and provide extra

security ............................................................................................. 3

4-2. Apply tape to protect sensor ................................................................ 4

4-3. Secure with hose clamps. Do not overtighten. ................................... 4

4-4. Place and secure mounting fixture ....................................................... 5

5-1. Drawing of the OBS500 sensor ......................................................... 10

5-2. Orientation of emitter cone (source beam) and OBS and side

scatter detector (acceptance) cones ................................................ 11

7-1. Device Configuration Utility ............................................................. 14

7-2. Terminal Mode using 1 and H commands ......................................... 15

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 63 64

Žádné komentáře

Campbell-scientific OBS500 Smart Turbidity Meter with ClearSensor Tech Uživatelský manuál Strana 8