Campbell TempVue 10 Manuale utente
Revision: 05/2023
Copyright ©2023
Campbell Scientific, Inc.
TempVue™10
PT-100 RTD Class A Precision Air
Temperature Sensor
PRODUCT MANUAL
Table of contents
1. Introduction 1
2. Precautions 1
3. Initial inspection 2
4. QuickStart 4
5. Overview 7
6. Specifications 8
7. Installation 9
7.1 Wiring 9
7.1.1 4-wire configuration 9
7.1.2 2-wire configuration 10
7.2 Programming 11
7.2.1 CRBasic programming 11
7.2.1.1 BrHalf4W() 12
7.2.1.2 BrHalf() 12
7.2.1.3 PRTCalc() 13
7.3 Siting 13
7.4 Installation in a radiation shield 15
7.5 Mount the shield 16
8. Operations 17
8.1 Sensor schematic 17
8.2 Reducing measurement noise 18
9. Maintenance, troubleshooting, and calibration 18
9.1 Maintenance 18
9.2 Troubleshooting 19
9.3 Calibration 19
10. References 20
Appendix A. Importing Short Cut code into CRBasic Editor 21
Appendix B. Example programs 22
Table of Contents - i
1. Introduction
The TempVue™10 represents the next generation of air-temperature measurement sensors,
meeting all relevant World Meteorological Organization (WMO1) temperature
recommendations.
Designed with the customer in mind, the TempVue10 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.
TempVue10 can be wired as a 2- or 4-wire PT-100 sensor, allowing full flexibility and
compatibility with your systems.
2. Precautions
lREAD AND UNDERSTAND the Safety section at the back of this manual.
lWhen opening the shipping package, do not damage or cut the cable jacket. If damage to
the cable is suspected, consult with a Campbell Scientific support engineer.
lAlthough rugged, the TempVue10 should be handled as a precision scientific instrument.
lDo not bend or damage the measurement tip of the TempVue10 because this can affect
the measurement quality and potentially damage the sensor.
lDo not modify or attempt to repair the TempVue10 unit without consulting Campbell
Scientific.
lThis temperature probe meets UKCA and EU declarations of conformity, citing
international standards applicable to the product.
lThe TempVue10 should not be buried in soil or submerged in water. Refer to
www.campbellsci.com/soil-temperature or www.campbellsci.com/water-temperature for a
list of sensors that are appropriate for soil, road surface, or water temperature applications.
1WMO, 2008. See References (p. 20).
TempVue10 PT-100 Class A, Precision Air Temperature Sensor 1
3. Initial inspection
lUpon receipt of the TempVue10, inspect the packaging and contents for damage. File
damage claims with the shipping company.
lImmediately check package contents against the shipping documentation. Contact
Campbell Scientific about any discrepancies.
lThe calibration certificate shipped with each TempVue10 includes the device under test
(DUT) calibration offset (see Figure 3-1 [p. 2]). This value is unique for each sensor. Cross
check this serial number on the certificate against the serial number on your sensor to
ensure the given DUT offset corresponds to your sensor.
Figure 3-1. Example calibration certificate
TempVue10 PT-100 Class A, Precision Air Temperature Sensor 2
lTable 3-1 (p. 3) shows the components typically shipped with the TempVue10.
Table 3-1: TempVue10 components
Component Quantity Description Image
TempVue10 1 Measures air temperature
Extension cable
(ordered as an
option)
1Connects the sensor to the
data logger
Quick deploy
guide 1Provides siting, mounting,
and wiring information
Shield extender 1
Allows sensor to be housed
in a 10-plate or 14-plate
radiation shield.
Calibration
certificate 1Provides the DUT offset
needed for programming.
TempVue10 PT-100 Class A, Precision Air Temperature Sensor 3
lFigure 3-2 (p. 4) shows the TempVue10 and shield extender in the shipping box.
Figure 3-2. Box containing the TempVue10 and shield extender.
lRefer to Installation in a radiation shield (p. 15) for instructions about attaching the extender
tube to the TempVue10 for use in longer radiation shields.
lAccessories and replacement parts are listed on the web site product page (see
https://www.campbellsci.com/tempvue10).
4. QuickStart
A video that describes data logger programming using Short Cut is available at:
www.campbellsci.com/videos/cr1000x-data logger-getting-started-program-part-3 .Short
Cut is an easy way to program your data logger to measure the sensor and assign data logger
wiring terminals. Short Cut is available as a download on www.campbellsci.com . It is included
in installations of LoggerNet,RTDAQ, and PC400.
The following procedure shows using Short Cut to program the TempVue10.
1. Open Short Cut and click Create New Program.
2. Double-click the data logger model.
3. In the Available Sensors and Devices box, type TempVue10. You can also locate the sensor
in the Sensors >Temperature folder. Double click the sensor model. Type the DUT offset
values provided in the calibration certificate that was shipped with the sensor. The
temperature defaults to degree C. This can be changed by clicking the Temperature box
TempVue10 PT-100 Class A, Precision Air Temperature Sensor 4
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.
TempVue10 PT-100 Class A, Precision Air Temperature Sensor 5
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.
9. If the sensor is connected to the data logger, check the output of the sensor in the data
display in LoggerNet,RTDAQ, or PC400 to make sure it is making reasonable
measurements.
TempVue10 PT-100 Class A, Precision Air Temperature Sensor 6
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).
The TempVue10 has a maximum measurement uncertainty of only 0.3 °K over the entire
measurement range of -80 to +60 °C, with only 0.1 °K over the most common temperature range
of -40 to +40 °C.
When exposed to environments with high wind, sun, or precipitation levels, the TempVue10
must be housed in a radiation shield, such as the RAD06 6-plate shield.
Figure 5-1. TempVue10 with the cable attached
Features:
lMeets WMO step change response time at 1 m/s (3.28 ft/s)
lMaintains high measurement stability over both time and temperature
lIncredibly easy to install or remove for calibration checks
lHighly durable, providing sensor element protection in even the harshest environmental
conditions
lCan be wired with a 2-wire or 4-wire platinum resistance thermometer (PRT) configuration
lAllows for cable length adjustments without the need for calibration changes
TempVue10 PT-100 Class A, Precision Air Temperature Sensor 7
lCompatible data loggers: GRANITE-series, CR6, CR1000X, CR800 series, CR350-series,
CR300-series. CR3000, CR1000
6. Specifications
Sensor description: 100 ohm Class A platinum (PT100)1
Measurement uncertainty2:±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 ° to +140 °F)
Time constant in air: 20 seconds to 63% of step change in 1m/s wind
Resolution: Three decimal places (0.001 °C)
Connector type: M12 (to extend beyond 1 m [3 ft] standard cable length)
Signal type/output: Analog
Probe diameter: 1.9 cm (0.75 in) maximum
Probe length: 12.1 cm (4.75 in) tip to end of cable gland
Extended probe length: 18.1 cm (7.125 in) tip to end of shield extender
Weight: 70 g (0.15 lb) for probe with shield extender, including
standard 1 m (3 ft) cable with M12 connector
Compliance: View documents at:
www.campbellsci.com/tempvue10
1Class A refers to ISO 60751:2008 class A standards and the corresponding ASTM E1137 Class A
standards.
2Kelvin is the SI unit (International System of Units) for temperature, and used for uncertainty
measurements, whereas the range of the product is in Celsius and therefore both are used in
these specifications. The WMO guide to Instruments and Observations, Guide no.8, also uses
both Kelvin and Celsius in their recommendation. Regarding resolution of the unit, 1 Kelvin = 1
°Celsius.
TempVue10 PT-100 Class A, Precision Air Temperature Sensor 8
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