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Campbell 110PV Instruction Manual

Surface temperature probe
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110PV Surface
Temperature Probe
Revision: 8/17
C o p y r i g h t
©
2 0 1 0 - 2 0 1 7
C a m p b e l l
S c i e n t i f i c ,
I n c .

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Summary of Contents for Campbell 110PV

  • Page 1 110PV Surface Temperature Probe Revision: 8/17 C o p y r i g h t © 2 0 1 0 - 2 0 1 7 C a m p b e l l S c i e n t i f i c ,...
  • Page 3 Quotations for repairs can be given on request. It is the policy of Campbell Scientific to protect the health of its employees and provide a safe working environment, in support of this policy a “Declaration of Hazardous Material and Decontamination”...
  • Page 5 PLEASE READ FIRST About this manual Please note that this manual was originally produced by Campbell Scientific Inc. primarily for the North American market. Some spellings, weights and measures may reflect this origin. Some useful conversion factors: Area: 1 in...
  • Page 7 • 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...

  • Page 9: 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 Ships With ....................
  • Page 10 5-1. 110PV Temperature Probe ..............4 7-1. Types of PV modules ................6 7-2. 110PV mounted to a PV module using Kapton tape ......7 7-3. 110PV’s strain relief label ..............7 Tables 7-1. Connections to Campbell Scientific Dataloggers ........ 8 B-1.

  • Page 11: Introduction

    Do not use epoxy to secure the 110PV to a PV module. • Prying the 110PV off without heating it will likely damage both the probe • and PV module. The 110PV’s cable must be properly strain relieved after mounting the •...

  • Page 12: Ships With

    (2) Cable tie, 4-inch, UV stabilized (pn #2207) (1) Resource DVD QuickStart Short Cut is an easy way to program your datalogger to measure the 110PV and assign datalogger wiring terminals. Short Cut is available as a download and the ResourceDVD. The following procedure www.campbellsci.eu...

  • Page 13: Overview

    As the temperature of the PV module increases, its output decreases. The 110PV-L consists of a thermistor encased in an aluminium disk (see FIGURE 5-1). The aluminium disk protects the thermistor and promotes heat transfer from surfaces. An adhesive tab on the probe’s aluminium disk fastens the 110PV to the measurement surface.

  • Page 14: Specifications

    Connector that attaches to a prewired enclosure (option –PW). Refer www.campbellsci.eu/prewired-enclosures for more information. • Connector that attaches to a CWS900 Wireless Sensor Interface (option –CWS). The CWS900 allows the 110PV to be used in a wireless sensor network. Refer to www.campbellsci.eu/cws900 more information. Specifications Features: •...

  • Page 15: Installation

    PV module does not have distinctive solar cells, center the 110PV on the back of the PV module. If the module has several distinctive photocells, center the 110PV on the back of the photocell that is the middle of the PV module.

  • Page 16: Mounting To A Pv Module Or Other Device

    FIGURE 7-1. Types of PV modules Mounting to a PV Module or Other Device The 110PV includes an adhesive mounting strip adhered to the flat surface of the aluminium disk. To mount the 110PV, remove the paper from the mounting strip and adhere it to the back of the PV module or other device.

  • Page 17: Cable Strain Relief

    The 110PV’s cable must be properly strain relieved after mounting the probe to the measurement surface. To accomplish this, the probe comes with cable ties and a cable tie mount. A yellow label on the 110PV’s cable indicates where the cable should be tied down (see FIGURE 7-3).

  • Page 18: Wiring

    Short Cut. Connections to Campbell Scientific dataloggers are given in TABLE 7-1. Most CRBasic dataloggers can measure the 110PV using either a 4-wire half bridge or 3-wire half bridge. The CR200(X) dataloggers can only use a 3-wire half bridge.

  • Page 19: Resistance Measurement

    7.5.1 Resistance Measurement The CR300 series, CR6, CR800, CR850, CR1000, CR1000X, CR3000, CR5000, and CR9000(X) can use either the BrHalf4W() instruction or BrHalf() instruction to measure the 110PV. The BrHalf4W() instruction reduces cable errors, but the BrHalf() instruction requires fewer input channels.

  • Page 20: Operation

    AC power lines, pumps, and motors, can be the source of electrical noise. If the 110PV probe or datalogger is located in an electrically noisy environment, the 110PV probe should be measured with the 60 or 50 Hz rejection option as shown in Appendix B.1.1, Half Bridge CR1000 Program , and Appendix (p.

  • Page 21: Maintenance And Troubleshooting

    (p. 8) damage and possible moisture intrusion. CAUTION If the 110PV needs to be sent to Campbell Scientific for repairs, remember that the probe must be heated to 70 to 80 °C before removing it from the measurement surface. Prying the probe off without heating it will likely damage both the probe and the PV module.
  • Page 22 110PV Surface Temperature Probe...

  • Page 23: Importing Short Cut Code Into Crbasic Editor

    Appendix A. Importing Short Cut Code Into CRBasic Editor This tutorial shows: How to import a Short Cut program into a program editor for • additional refinement • How to import 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 25: Example Programs

    B.1.1 Half Bridge CR1000 Program CRBasic Example B-1. Half Bridge CR1000 Program 'CR1000 Series Datalogger 'This example program measures a single 110PV-L probe utilizing 'the BrHalf instruction once a second and stores the average 'temperature in degrees C every 10 minutes.
  • Page 26 'Measure 110PV-L probe BrHalf (T110PV_mV,1,mV2500,1,Vx1,1,2500,True ,0,_60Hz,1.0,0) 'Convert mV to ohms T110PV_Res=4990*(1-T110PV_mV)/T110PV_mV 'Subtract off cable resistance (see 110PV-L cable for R_cable) T110PV_Res= T110PV_Res-R_cable 'Using the Steinhart-Hart equation to convert resistance to temperature T110PV_Temp_C = (1/(A+B*LOG(T110PV_Res)+C*(LOG(T110PV_Res))^3))-273.15 'Convert Celsius to Fahrenheit T110PV_Temp_F = T110PV_Temp_C * 1.8 + 32...

  • Page 27: 4-Wire Half Bridge Cr1000 Program

    B.1.2 4-Wire Half Bridge CR1000 Program CRBasic Example B-2. 4-Wire Half Bridge CR1000 Program 'CR1000 Series Datalogger 'This example program measures a single 110PV-L probe utilizing the 'BRHalf4Winstruction once a second and stores the 'average temperature in degrees C every 10 minutes.

  • Page 28: Example Cr200X Program

    'Measure 110PV-L probe with SE1 ExDelSE (T110PV_mV,1,1,Ex1,mV2500,500,1.0,0) 'Convert mV to ohms T110PV_Res = 4990*(2500/T110PV_mV)-4990 'Subtract off cable resistance (see 110PV-L cable for R_cable) T110PV_Res = T110PV_Res-R_cable 'Using the Steinhart-Hart equation to convert resistance to temperature T110PV_Temp_C = (1/(A+B*LOG(T110PV_Res)+C*(LOG(T110PV_Res))^3))-273.15 'Convert Celsius to Fahrenheit T110PV_Temp_F = T110PV_Temp_C * 1.8 + 32...

  • Page 29: Probe Material Properties

    Appendix C. Probe Material Properties The probe consists of 6061 aluminium (clear anodized), thermistor, 3M9485PC adhesive, and Santoprene ® jacketed cable. C.1 3M 9485PC Adhesive Humidity Resistance: High humidity has a minimal effect on adhesive performance. Bond strengths are generally higher after exposure for 7 days at 90 °F (32 °C) and 90% relative humidity.
  • Page 30 Appendix C. Probe Material Properties...
  • Page 31 Appendix C. Probe Material Properties...
  • Page 32 Appendix C. Probe Material Properties...
  • Page 34 Santo Domingo, Heredia 40305 SOUTH AFRICA COSTA RICA • cleroux@csafrica.co.za • info@campbellsci.cc www.campbellsci.co.za www.campbellsci.cc Campbell Scientific Southeast Asia Co., Ltd. Campbell Scientific Ltd. 877/22 Nirvana@Work, Rama 9 Road Campbell Park Suan Luang Subdistrict, Suan Luang District 80 Hathern Road Bangkok 10250...

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