Campbell-scientific OBS-3+ and OBS300 Suspended Solids and Turbidity M Uživatelský manuál

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Strany 1 - INSTRUCTION MANUAL

INSTRUCTION MANUAL OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors Revision: 9/14 Copyright © 2008- 2014 Campbel

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Table of Contents iv

Strany 3 - Limited Warranty

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 1. Introduction The OBS-3+ and OBS300 are submersible, turbidity sensors that use OBS® tec

Strany 4 - Assistance

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 4. Quickstart 4.1 Preparation for Use 1. Bench test the sensor to ensure that it function

Strany 5 - Precautions

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 3. When Short Cut opens, select New Program. 4. Select Datalogger Model and Scan Interva

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OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 5. Under the Available Sensors and Devices list, select the Sensors | Water | Quality fold

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OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 8. If LoggerNet, PC400, or PC200W is running on your PC, and the PC to datalogger connectio

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OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors Turbidity is caused by suspended and dissolved matter such as sediment, plankton, bacteria,

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OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors FIGURE 5-1. Components of the OBS-3+ (left) and orientation source beam and detector

Strany 10 - Table of Contents

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 6. Specifications Features: • Measures suspended solids and turbidity for up to 4000 NTU

Strany 11 - 3. Initial Inspection

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 7. Installation If you are programming your da

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OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 7.2 Mounting Considerations Schemes for mounting the OBS-3+ and OBS300 will vary with appli

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OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors TABLE 7-1. Connection to Campbell Scientific Dataloggers Color Description CR800, CR850

Strany 15 - 5. Overview

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 7.4 Datalogger Programming CRBasic and Edlog are included in our PC400 and LoggerNet Datalo

Strany 16 - 5.3 Design Details

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors FIGURE 7-2. Calibration certificate showing millivolt coefficients Curve Type Polynomial f

Strany 17 - 5.4 Measurement Details

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors FIGURE 7-3. Calibration certificate showing volts coefficients 8. Calibration 8.1 Turbid

Strany 18 - 6. Specifications

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors NTU value with a 2nd-order polynomial. This section explains how to do a turbidity calibrat

Strany 19 - 7. Installation

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors The NTU values of the standards will remain the same as long as the ratio of particle mass (

Strany 20 - 7.3 Wiring to Datalogger

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 8.1.2 Setup 1. Plug the test cable into the OBS sensor; connect the red and black leads to

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OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 8. Perform 2nd-order polynomial regressions on the calibration data to get the coefficients

Strany 22 - 7.5 Calibration Certificate

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors suspender after each addition of sediment for the determination of SSC by filtration and gra

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Limited Warranty “Products manufactured by CSI are warranted by CSI to be free from defects in materials and workmanship under normal use and service

Strany 24 - 8. Calibration

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors see FIGURE 8-4. For the OBS300, mount the sensor so that the laser diode is submerged just

Strany 25 - Turbidity (NTU)

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 8. Add enough additional sediment to get one full increment of sediment, Wi ± 5%. Repeat s

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OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors TABLE 9-1. Troubleshooting Chart Fault Cause of Fault Remedy Fails finger wave test No po

Strany 27 - 8.1.3 Procedure

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 11. Factors that Affect Turbidity and Suspended-Sediment Measurements This section summariz

Strany 28 - 8.2 Sediment

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors FIGURE 11-2. The apparent change in turbidity resulting from disaggregation methods 11.2

Strany 29 - 8.2.3 In situ Calibration

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 0 20 40 60 80 100 120 140 160 180Scat t ering Angle0.010.11Relative Scattering IntensityCube

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OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors FIGURE 11-4. Response of an OBS sensor to a wide range of SSC 11.5 IR Reflectivity—Sedime

Strany 31 - 9. Troubleshooting

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors FIGURE 11-5. Infrared reflectivity of minerals as a function of 10-Munzell value 11.6 Wa

Strany 32 - 10. Maintenance

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors organic matter and interference from these materials can therefore be ignored most of the ti

Strany 33 - Sediment Measurements

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors 13. Terminology 110 Rule: 100 ppm of 100-μm suspended sand will scatter light with the same

Strany 34 - 11.3 Particle-Shape Effects

Assistance Products may not be returned without prior authorization. The following contact information is for US and international customers residing

Strany 35 - Scat t ering Angle

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors sediment, plankton, bacteria and viruses, organic acids, and dyes. In general, as the conce

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Appendix A. Importing Short Cut Code This tutorial shows: • How to import a Short Cut program into a program editor for additional refinement. • H

Strany 37 - 11.7 Bubbles and Plankton

Appendix A. Importing Short Cut Code 5. The program can now be edited, saved, and sent to the datalogger. 6. Import wiring information to the progr

Strany 38 - 12. References

Appendix B. Example Programs B.1 CRBasic Examples B.1.1 CR1000 Example Program Below is an example CR1000 program. The calibration values used in

Strany 39 - 13. Terminology

Appendix B. Example Programs 'the true NTU. Big particles can cause errors that would skew an average NTU = NTUX(11) 'Use the low

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Appendix B. Example Programs For i = 1 To n 'n=10 in this case so ten measurements will be made for both the high and low 'in

Strany 41 - A.1.1 CRBasic Datalogger

Appendix B. Example Programs ;activate SW12V for turbidity probe, delay 3 seconds, then measure 1: Do (P86) 1: 48 Set Port 8 High 2: Excitat

Strany 42 - A.1.2 Edlog

Appendix B. Example Programs NTU = -0.20709 + (401.11*NTU_Volts) + (35.310*NTU_Volts^2) 6: End (P95) End Program B-5

Strany 43 - B.1 CRBasic Examples

Appendix B. Example Programs B-6

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Appendix C. Electrical Connections Details FIGURE C-1 shows the contact numbers for the MCIL/MCBH-5 connectors and TABLE C-1 lists the electrical fu

Strany 45 - B.2 Edlog Example

Precautions DANGER — MANY HAZARDS ARE ASSOCIATED WITH INSTALLING, USING, MAINTAINING, AND WORKING ON OR AROUND TRIPODS, TOWERS, AND ANY ATTACHMENTS TO

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Appendix C. Electrical Connections Details TABLE C-1. Pin numbers, electrical functions and wire color codes for OBS sensor bulkhead connectors. MCB

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Appendix D. Datalogger Connection to a Relay The CR10, CR7, CR510, and 21X dataloggers do not have a switched 12 V channel. Either the sensor can r

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Appendix D. Datalogger Connection to a Relay D-2

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Campbell Scientific Companies Campbell Scientific, Inc. (CSI) 815 West 1800 North Logan, Utah 84321 UNITED STATES www.campbellsci.com • info@campbe

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Table of Contents PDF viewers: These page numbers refer to the printed version of this document. Use the PDF reader bookmarks tab for links to spec

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Table of Contents 10. Maintenance ..... 22 11. Factors that Affect Turbidity and Suspended-Se

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Table of Contents 8-3. OBS-3+ (left) and OBS300 (right) in 500-NTU AMCO Clear® turbidity standard in 100-mm black polyethylene calibration cup ...

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