Campbell TempVue 10 Product Manual
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Campbell TempVue 10 Product Manual

Rtd class a precision air temperature sensor
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PRODUCT MANUAL
TempVue™10
PT-100 RTD Class A Precision Air
Temperature Sensor
Revision:
05/2023
2023
Copyright © 
Campbell Scientific, Inc.

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Summary of Contents for Campbell TempVue 10

  • Page 1 PRODUCT MANUAL TempVue™10 PT-100 RTD Class A Precision Air Temperature Sensor Revision: 05/2023 2023 Copyright ©  Campbell Scientific, Inc.

  • Page 2: Table Of Contents

    Table of contents 1. Introduction 2. Precautions 3. Initial inspection 4. QuickStart 5. Overview 6. Specifications 7. Installation 7.1 Wiring 7.1.1 4-wire configuration 7.1.2 2-wire configuration 7.2 Programming 7.2.1 CRBasic programming 7.2.1.1 BrHalf4W() 7.2.1.2 BrHalf() 7.2.1.3 PRTCalc() 7.3 Siting 7.4 Installation in a radiation shield 7.5 Mount the shield 8.

  • Page 3: Introduction

    ) temperature recommendations. Designed with the customer in mind, the TempVue 10 easily interfaces with Campbell Scientific or third-party data loggers and fits a wide range of passive solar radiation shields. The sensor comes with a short, attached cable and terminates with an M12 connector, which provides exceptional convenience, environmental protection, and data integrity for use in a variety of applications.

  • Page 4: Initial Inspection

    Upon receipt of the TempVue 10, inspect the packaging and contents for damage. File damage claims with the shipping company. Immediately check package contents against the shipping documentation. Contact Campbell Scientific about any discrepancies. The calibration certificate shipped with each TempVue 10 includes the device under test (DUT) calibration offset (see Figure 3-1 [p.
  • Page 5 Table 3-1 (p. 3) shows the components typically shipped with the TempVue 10. Table 3-1: TempVue 10 components Component Quantity Description Image TempVue 10 Measures air temperature Extension cable Connects the sensor to the (ordered as an data logger option) Quick deploy Provides siting, mounting, guide and wiring information Allows sensor to be housed...

  • Page 6: Quickstart

    Figure 3-2 (p. 4) shows the TempVue 10 and shield extender in the shipping box. Figure 3-2. Box containing the TempVue 10 and shield extender. Refer to Installation in a radiation shield (p. 15) for instructions about attaching the extender tube to the TempVue 10 for use in longer radiation shields. Accessories and replacement parts are listed on the web site product page (see https://www.campbellsci.com/tempvue10).
  • Page 7 and selecting one of the other options. 4. Click on the Wiring tab, wire the sensor, then click OK. 5. Repeat steps three and four for other sensors you want to measure. Click Next. TempVue 10 PT-100 Class A, Precision Air Temperature Sensor...
  • Page 8 6. In Output Setup, type the scan rate, a meaningful table name, and the Data Output Storage Interval. 7. Select the measurement and its associated output option. 8. Click Finish and save the program. If the data logger is connected to the computer, send the program just created to the data logger.

  • Page 9: Overview

    5. Overview The sensor consists of a wire-wrapped, four-wire Pt100 Resistance Temperature Detector (RTD) element encapsulated in an epoxy-filled, stainless-steel housing. The thin yet robust housing, combined with the Pt100 sensing element, provide the first true WMO-compliant sensor to meet the 20-second step response time with an ambient wind speed of only 1 m/s (3.3 ft/s).

  • Page 10: Specifications

    Compatible data loggers: GRANITE-series, CR6, CR1000X, CR800 series, CR350-series, CR300-series. CR3000, CR1000 6. Specifications Sensor description: 100 ohm Class A platinum (PT100) Measurement uncertainty ±0.1 °K over –40 to +40 °C (-40 to +104 °F) range ±0.3 °K over –80 to +60 °C (-112° to +140 °F) range Temperature measurement range: –80 to 60 °C (-112 °...

  • Page 11: Installation

    4WPB100 or 3WHB10K. Campbell Scientific offers extension cables in lengths up to 10 m, which connect to the TempVue 10 M12 connector. Contact Campbell Scientific if a longer cable is required.

  • Page 12: 2-Wire Configuration

    4-wire set up. The calibration supplied by Campbell Scientific is valid only for the 4-wire set up. It is recommended to obtain a new TempVue 10 calibration offset from a third-party accredited laboratory to use in the data logger program.

  • Page 13: Programming

    The yellow, purple, blue, white, and gray wires are not used. 7.2 Programming Short Cut is the best source for up-to-date programming code for Campbell Scientific data loggers. If your data acquisition requirements are simple, you can probably create and maintain a data logger program exclusively with Short Cut.

  • Page 14: Brhalf4W()

    BrHalf(Dest, Reps, Range, SEChan, ExChan, MeasPEx, EXmV, RevEx, SettlingTime, fN1, Mult, Offset) Campbell Scientific recommends using a 50000 µsec SettlingTime. For the Offset, use a TempVue 10 calibration from a third party accredited laboratory. For the 2-wire configuration, before the resistance value is converted to temperature, the CRBasic program needs to calculate the Rs/R0 ratio.

  • Page 15: Prtcalc()

    PRTCalc() 7.2.1.3 PRTCalc() instruction converts the Rs/R0 ratio to a temperature measurement. The PRTCalc() instruction has the following form: PRTCalc(Dest, Reps, Source, PRTType, Mult, Offset) Use option 1 (IEC 60751:2008) for the PRTType. Source is the Rs/R0 ratio. When using the BrHalf4W() instruction, this is the variable that stores the...
  • Page 16 The sensor should be installed at a standard measurement height which varies depending on the guides being used: 1.5 m (4.92 ft) (AASC) 1.25 to 2.0 m (4.1 to 6.5 ft) (WMO) 2.0 m (6.5 ft) (EPA) References (p. 20) for a list of references that discuss temperature sensors. When used in the field, the TempVue 10 must be housed in a radiation shield.

  • Page 17: Installation In A Radiation Shield

    7.4 Installation in a radiation shield 1. If using a 10- or 14-plate shield, attach the shield extender. 2. If using a RAD06, RAD10E, or RAD14 shield, loosen the nut on the entry gland at the bottom of the shield. 3.

  • Page 18: Mount The Shield

    tighten the gland by 1/2 to 1 turn. Do not overtighten the nut as you risk damaging the sensor body and also making service of the sensor more difficult in the future. Figure 7-2. Cut away view shows TempVue 10 insertion in a RAD shield 7.5 Mount the shield 1.

  • Page 19: Operations

    8. Operations 8.1 Sensor schematic Figure 8-1. TempVue 10 4-wire schematic Figure 8-2. TempVue 10 2-wire schematic TempVue 10 PT-100 Class A, Precision Air Temperature Sensor...

  • Page 20: Reducing Measurement Noise

    8.2 Reducing measurement noise Excess cable lengths may be prone to electrical noise. The cable should be long enough to form a drip loop, which helps prevent water ingress into the data logger enclosure. However, excess cable coiled in the enclosure should be avoided. AC power lines, pumps, and motors can be the source of electrical noise.

  • Page 21: Troubleshooting

    9.2 Troubleshooting Symptom: Temperature is NAN, –INF, –9999, –273 Verify wiring of sensor to the data logger; cross-reference data logger program or the measurement system wiring diagram. Symptom: Incorrect Temperature Check the cable for signs of damage and possible moisture intrusion. Symptom: Unstable Temperature Make sure the shield and ground wires are connected to data logger ground, and the data logger is properly grounded.

  • Page 22: References

    10. References WMO, 2008. Guide to Meteorological Instruments and Methods of Observation. World Meteorological Organization No. 8, 7th edition, Geneva, Switzerland. WMO, 2021. Instruments and Observing Methods, Generic Automatic Weather Station (AWS) Tender Specifications.. World Meteorological Organization, Report 136, Geneva, Switzerland. AASC, 1985: The State Climatologist (1985) Publication of the American Association of State Climatologists: Heights and Exposure Standards for Sensors on Automated Weather Stations, v.

  • Page 23: Appendix A. Importing Short Cut Code Into Crbasic Editor

    Appendix A. Importing Short Cut code into CRBasic Editor Short Cut creates a .DEF file that contains wiring information and a program file that can be imported into CRBasic Editor. By default, these files reside in the C:\campbellsci\SCWin folder. Import Short Cut program file and wiring information into CRBasic Editor: 1.

  • Page 24: Appendix B. Example Programs

    Appendix B. Example programs These CR1000X example programs measure the resistance and convert the resistance to temperature in degree Celsius. CRBasic Example 1 (p. 23) uses the 4-wire configuration to measure the TempVue 10. The DUT offset is entered at the beginning of the program as a variable.
  • Page 25 CRBasic Example 1: CR1000X program for TempVue 10 with 4-wire configuration 'CR1000X 'This program measures the resistance using the BrHalf4W 'instruction and then converts the resistance to temperature 'using the PRTCalc instruction. 'Change DUT offset to the value included on the calibration certificate Const DUT = 0.6...
  • Page 26 CRBasic Example 1: CR1000X program for TempVue 10 with 4-wire configuration 'Measure the TempVue 10resistance BrHalf4W(TempVUE10RsR0,1,mV200C,mV200C,1,VX1,1,2100,True,True,50000,60,1,0) 'Convert the resistance to temperature in Deg Celsius PRTCalc (TempVUE10T_C,1,TempVUE10RsR0,1,1,DUT) 'Call Data Tables and Store Data CallTable Daily CallTable Hourly NextScan EndProg CRBasic Example 2: CR1000X program for TempVue 10 with 2-wire configuration...
  • Page 27 CRBasic Example 2: CR1000X program for TempVue 10 with 2-wire configuration 'Define Date Tables DataTable (Hourly,True,-1) DataInterval (0,60,Min,10) Sample (1,TempVue10T_C,FP2) Average (1,TempVue10T_C,FP2,False) Maximum (1,TempVue10T_C,FP2,False,True) Minimum (1,TempVue10T_C,FP2,False,True) Sample (1,TempVue10RsR0,FP2) EndTable 'Main Program BeginProg 'Main Scan Scan (1,Sec,1,0) 'Battery Voltage measurement 'BattV'...
  • Page 28 See Product Details on the Ordering Information pages at www.campbellsci.com . Other manufacturer's products, that are resold by Campbell Scientific, are warranted only to the limits extended by the original manufacturer. Refer to www.campbellsci.com/terms#warranty for more information.
  • Page 29 To obtain a Returned Materials Authorization or Repair Reference number, contact your CAMPBELL SCIENTIFIC regional office. Please write the issued number clearly on the outside of the shipping container and ship as directed. For all returns, the customer must provide a “Statement of Product Cleanliness and Decontamination”...
  • Page 30 Do not recharge, disassemble, heat above 100 °C (212 °F), solder directly to the cell, incinerate, or expose contents to water. Dispose of spent batteries properly. 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...
  • Page 31 Campbell Scientific Regional Offices Australia France Thailand Location: Garbutt, QLD Australia Location: Montrouge, France Location: Bangkok, Thailand Phone: 61.7.4401.7700 Phone: 0033.0.1.56.45.15.20 Phone: 66.2.719.3399 Email: info@campbellsci.com.au Email: info@campbellsci.fr Email: info@campbellsci.asia Website: www.campbellsci.com.au Website: www.campbellsci.fr Website: www.campbellsci.asia Brazil Germany Location: São Paulo, SP Brazil...

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Pt-100

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