Campbell CS511 Product Manual
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Campbell CS511 Product Manual

Dissolved oxygen sensor
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CS511
Dissolved Oxygen Sensor
Revision: 11/18
Copyright © 2001 – 2018
Campbell Scientific, Inc.

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Summary of Contents for Campbell CS511

  • Page 1 CS511 Dissolved Oxygen Sensor Revision: 11/18 Copyright © 2001 – 2018 Campbell Scientific, Inc.
  • Page 2 Limited Warranty “Products manufactured by CSI are warranted by CSI to be free from defects in materials and workmanship under normal use and service for twelve months from the date of shipment unless otherwise specified in the corresponding product manual. (Product manuals are available for review online at www.campbellsci.com.) Products not manufactured by CSI, but that are resold by CSI, are warranted only to the limits extended by the original manufacturer.
  • Page 3 Campbell Scientific company serves your country. To obtain a Returned Materials Authorization (RMA) number, contact CAMPBELL SCIENTIFIC, INC., phone (435) 227-9000. Please write the issued RMA number clearly on the outside of the shipping container. Campbell Scientific’s shipping address is: CAMPBELL SCIENTIFIC, INC.
  • Page 4 Periodically (at least yearly) check electrical ground connections. • WHILE EVERY ATTEMPT IS MADE TO EMBODY THE HIGHEST DEGREE OF SAFETY IN ALL CAMPBELL SCIENTIFIC PRODUCTS, THE CUSTOMER ASSUMES ALL RISK FROM ANY INJURY RESULTING FROM IMPROPER INSTALLATION, USE, OR MAINTENANCE OF TRIPODS, TOWERS, OR ATTACHMENTS TO TRIPODS AND TOWERS SUCH AS SENSORS, CROSSARMS, ENCLOSURES, ANTENNAS, ETC.

  • Page 5: Table Of Contents

    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 specific sections. 1. Introduction ..............1 2. Precautions ..............1 3. Initial Inspection ............1 Shipping Kit ..................2 4.
  • Page 6 Table of Contents 8-5. Installing membrane ................14 8-6. Check for leakage ................15 Tables 7-1. CS511 Wire Color, Function, and Datalogger Connection ....9 B-1. Wiring for CR1000X Example ............B-1 B-2. Wiring for CR200(X) Example ............B-2 CRBasic Examples B-1.

  • Page 7: Introduction

    Replace the membrane and recalibrate the sensor before redeploying the • CS511 after it has been stored out of water or dried up in the field. While cleaning, do not touch the center electrode (Section 8.1, Cleaning •...

  • Page 8: Shipping Kit

    Short Cut is available as a download on www.campbellsci.com. It is included in installations of LoggerNet, PC200W, PC400, or RTDAQ. The following procedure also describes using Short Cut to program the CS511. Open Short Cut and click Create New Program. Double-click the datalogger model.
  • Page 9 CS511 Dissolved Oxygen Sensor Repeat step three for other sensors. In Output Setup, type the scan rate, meaningful table names, and the Data Output Storage Interval.

  • Page 10: Overview

    The sensor consists of two parts, an upper part with cathode, anode, and cable, and a lower part comprising of a screw-on membrane cap. The CS511 is shipped dry, but has a membrane installed in the cap. With the membrane in place, the cap must be filled with electrolyte solution before the cap is screwed onto the top component.

  • Page 11: Specifications

    CS511 Dissolved Oxygen Sensor Specifications Features: In-line thermistor provides automatic temperature compensation • Compatible with the following CRBasic dataloggers: CR200(X) • series, CR300 series, CR6 series, CR800 series, CR1000, CR1000X series, CR3000, CR5000, and CR9000(X) Principle of Measurement: Membrane-covered, galvanic oxygen...

  • Page 12: Installation

    CS511 Dissolved Oxygen Sensor Installation If you are programming your datalogger with Short Cut, skip Section 7.3, , and Section 7.4, Programming . Short Cut Wiring to the Datalogger (p. 8) (p. 9) does this work for you. See Section 4, QuickStart , for a Short Cut tutorial.

  • Page 13: Getting Sensor Ready To Use

    CS511 Dissolved Oxygen Sensor Getting Sensor Ready to Use Unscrew the lower body from the upper body. Inspect the membrane for wrinkles. Replace membrane if wrinkled (see Section 8.1, Cleaning Sensor and Replacing Membrane (p. 11) Pour clean water into the lower body and look for leakage around the membrane.

  • Page 14: Mount Sensor

    Excess electrolyte will leak out at the joint between the sensor cap and upper body. Mount Sensor Mount the CS511 in water at a slight angle, which prevents bubbles from becoming trapped on the membrane. Wiring to the Datalogger Datalogger connection is provided in TABLE 7-1. The CS511 can use one differential terminal or one single-ended terminal.

  • Page 15: Programming

    (p. 9) Connect the CS511 to the datalogger (see wiring diagram generated by Short Cut or Section 7.3, Wiring to the Datalogger (p. 8) If the CS511 has been deployed in the field, gently wipe the membrane with a soft cloth.

  • Page 16: Maintenance

    CS511 Dissolved Oxygen Sensor Place the CS511 in air away from direct sunlight with the membrane facing upward. Place a drop of clean water on the membrane. Wait for readings to stabilize. This may take 15 minutes or more. Determine the air temperature and barometric pressure.

  • Page 17: Cleaning Sensor And Replacing Membrane

    CS511 Dissolved Oxygen Sensor Cleaning Sensor and Replacing Membrane Unscrew the lower body from the upper body (FIGURE 8-1). FIGURE 8-1. Separate the lower body from the upper body Safely dispose of the electrolyte. Make sure the O-ring does not fall out of the cap.

  • Page 18: Remove Membrane And Membrane O-Ring

    CS511 Dissolved Oxygen Sensor Membrane Tool Membrane Lock Washer Membrane Membrane O-ring Cap O-ring (do not dispose) FIGURE 8-2. Remove membrane and membrane O-ring...

  • Page 19: Using A Toothbrush To Clean Sensor

    CS511 Dissolved Oxygen Sensor To clean, immerse the top part of the sensor in distilled white vinegar (3% acetic acid) for about 30 minutes. If vinegar is unavailable, use a soft toothbrush, automatic dishwasher detergent, and clean water to clean the cathode, anode, and plastic without touching the center electrode.
  • Page 20 CS511 Dissolved Oxygen Sensor Membrane Tool Membrane Lock Washer Membrane O-ring FIGURE 8-5. Installing membrane Inspect the membrane for wrinkles; replace membrane if wrinkled.
  • Page 21 CS511 Dissolved Oxygen Sensor Pour some clean water into the lower body and look for leakage around the membrane (FIGURE 8-6); replace membrane if there is leakage. If there is no leakage, dispose of the water. FIGURE 8-6. Check for leakage Pour fresh electrolyte into the bottom cap and fill to the top of the cap.

  • Page 22: Importing Short Cut Code Into Crbasic Editor

    Appendix A. Importing Short Cut Code Into CRBasic Editor This tutorial shows: Importing a Short Cut program into a program editor for additional • refinement Importing a wiring diagram from Short Cut into the comments of a • custom program Short Cut creates files, which can be imported into CRBasic Editor.

  • Page 23: Example Programs

    EndTable DataTable(Daily,True,-1) DataInterval(0,1440,Min,10) Minimum(1,Batt_Volt,FP2,False,False) EndTable 'Main Program BeginProg Scan(5,Sec,1,0) 'Default Datalogger Battery Voltage measurement Batt_Volt: Battery(Batt_Volt) 'CS511 Dissolved Oxygen Sensor measurements DOmV and DOppm: VoltDiff(DOmV,1,mV200,1,True,0,60,1,0) DOppm = DOMult * DOmV 'Call Data Tables and Store Data CallTable(Hourly) CallTable(Daily) NextScan EndProg...

  • Page 24: Voltse Cr200(X) Program

    EndTable DataTable(Daily,True,-1) DataInterval(0,1440,Min) Minimum(1,Batt_Volt,False,False) EndTable 'Main Program BeginProg Scan(10,Sec) 'Default Datalogger Battery Voltage measurement Batt_Volt: Battery(Batt_Volt) 'CS511 Dissolved Oxygen Sensor measurements DOmV and DOppm: VoltSE(DOmV,1,1,1,0) DOppm = DOMult * DOmV 'Call Data Tables and Store Data CallTable(Hourly) CallTable(Daily) NextScan EndProg...

  • Page 25: Dissolved Oxygen Tables

    Appendix C. Dissolved Oxygen Tables C.1 Dissolved Oxygen in Fresh Water...

  • Page 26: Dissolved Oxygen In Salt Water

    Appendix C. Dissolved Oxygen Tables C.2 Dissolved Oxygen in Salt Water...
  • Page 27 Campbell Scientific Worldwide Offices Australia Germany Location: Garbutt, QLD Australia Location: Bremen, Germany Email: Email: info@campbellsci.com.au info@campbellsci.de Website: www.campbellsci.com.au Website: www.campbellsci.de Brazil South Africa Location: São Paulo, SP Brazil Location: Stellenbosch, South Africa Email: andread@campbellsci.com.br Email: sales@csafrica.co.za Website: Website: www.campbellsci.com.br www.campbellscientific.co.za...

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