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43347 RTD Temperature Probe and 43502 Aspirated Radiation Shield

1. GAS CAMPBELL SCIENTIFIC WHEN MEASUREMENTS MATTER 43347 RTD Temperature Probe and 43502 Aspirated Radiation Shield Issued 14 9 15 Copyright 1994 2015 Campbell Scientific Inc Printed under licence by Campbell Scientific Ltd CSL 733 Guarantee This equipment is guaranteed against defects in materials and workmanship This guarantee applies for 24 months from date of delivery We will repair or replace products which prove to be defective during the guarantee period provided they are returned to us prepaid The guarantee will not apply to e Equipment which has been modified or altered in any way without the written permission of Campbell Scientific e Batteries e product which has been subjected to misuse neglect acts of God or damage in transit Campbell Scientific will return guaranteed equipment by surface carrier prepaid Campbell Scientific will not reimburse the claimant for costs incurred in removing and or reinstalling equipment This guarantee and the Company s obligation thereunder is in lieu of all other guarantees expressed or implied including those of suitability and fitness for a particular purpose Campbell Scientific 1 not liable for consequential damage Please inform us before returning equipment and obtain a Repair Reference Number whether the repair is under guarantee or not Please state the faults as clearly as possible and if the product is out of the
2. C 1 D 43408 Aspirated Radiation Shield D 1 Dil 5 eR D 2 D2 JInstaillahOn D 3 E Measure Two 43347 IX Probes Using One Current Excitation Channel E 1 EL Wim ue e ER E 2 E 2 Example Program for two Calibrated 43347 IX Probes E 3 Figures 7 1 43502 Radiation Shield mounted to tripod mast 10 7 2 43502 radiation shield mounted to a CM200 series Crossarm 11 422 43347 Probe ad 11 7 4 43347 probe mounted inside the 43502 shield 12 7 5 41003 5 Radiation Shield mounted to tripod mast 13 7 6 41003 5 Radiation Shield mounted to a CM200 series Crossarm 14 7 7 43347 VX Temperature Probe 15 7 8 43347 IX Temperature Probe schematic 222 15 7 9 43502 Aspirated Shield wiring oooooonnncnnnnnnnnnnnononononnnnonnnnnnnnnnnnnnnnnnos 16 D 1 43347 RTD Temperature Probe and 43408 Aspirated Radiation SP ee a au Ee cd D 2 D 2 PN 7515 10 m Aspirated Shield Mounting Bracket D 3 D 3 43408 Aspirated Radiation Shield wiring 2 D 4 E 1 Schematic for two 43347 IX Temperature Probes E 2 Tables 7 1 7 2 7 3 7 4 B 1 B 3 E 1 Datalogger Conn
3. MTI AOS OST POON E BLOWER CABLE CLAMP E ZA SS SV SENSOR CABLE CLAMP TACHOMETER OUTPUT TEMP OR TEMP R H SENSOR BLOWER MOTOR BLK RED RUBBER FLANGE BUSHING R1 51K 43530 SHIELD ASSEMBLY MODEL 4344 7 04 BLOWER MOTOR TO DATA LOGGER ie m RED I 12 BLOWER POWER 1 51 TACH 12 14 VDC 500 TACHOMETER OUTPUT BLU WHT 2 PULSES REV 146 HZ 12 VDC weg uU NEG BLK M REF Lolo 1 purse MODEL 43502 5 COMPACT ASP RAD SHIELD Appendix C 43502 Aspirated Radiation Shield C 2 on 096 955 919 SN F996 IN 4112 BSHBAVHL OO ONROA NY 80 3 DA HHO Slavd 1 3 3 Y ASSY 7482832 hy 16 90 MO 1 AMO 0134 NOUVIOVY 0315145 69 0 Oud IMG 7300 Appendix D 43408 Aspirated UB Shield NOUYTIY1SNI BIOL ASSY UNOS 838072 ASSY 913155 Hcet 03070 3 v1d INILNNOA vorser 34018 vrorCy 2 Ar i ASSY INISNOR NYY ASSY 85340972 2 025313 vOZ i z 13 2Y58 Y NP ONYO 95 4 5 volrity Y NOU 40 331 OLN 3801 430N21X3 913 5 vgivty LLLA DNIMSN8 0038 7 1108 X an 7345 9 rcr ASSY HOLIMS 4 O Bst 17095 ONUNMOA SSvrt dd ASSY XOG Y 3801
4. cut the cable jacket If damage to the cable is suspected consult with a Campbell Scientific application engineer Although the 43347 and 43502 are rugged they should be handled as a precision scientific instrument The black outer jacket of the cable is Santoprene rubber This compound was chosen for its resistance to temperature extremes moisture and UV degradation However this jacket will support combustion in air It is rated as slow burning when tested according to U L 94 H B and will pass FMVSS302 Local fire codes may preclude its use inside buildings Initial Inspection Quickstart NOTE Upon receipt of the 43347 and 43502 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 Short Cut is an easy way to program your datalogger to measure the CS106 and assign datalogger wiring terminals Use the following procedures to get started Short Cut only supports the VX option Programming and wiring information is provided for X option in Section 7 Installation p 9 43347 RTD Temperature Probe 43502 and 41003 5 Radiation Shields 4 1 Uncalibrated 43347 Install Short Cut by clicking on the install file icon Get the install file from either www campbellsci com the ResourceDVD or find it in installations of LoggerNet PC200W PC400 or RTD
5. materials and tools Utility and Electrical e You can be killed or sustain serious bodily injury if the tripod tower or attachments you are installing constructing using or maintaining or a tool stake or anchor come in contact with overhead or underground utility lines e Maintain a distance of at least one and one half times structure height or 20 feet or the distance required by applicable law whichever is greater between overhead utility lines and the structure tripod tower attachments or tools e Prior to performing site or installation work inform all utility companies and have all underground utilities marked e Comply with all electrical codes Electrical equipment and related grounding devices should be installed by a licensed and qualified electrician Elevated Work and Weather e Exercise extreme caution when performing elevated work e Use appropriate equipment and safety practices e During installation and maintenance keep tower and tripod sites clear of un trained or non essential personnel Take precautions to prevent elevated tools and objects from dropping e Donot perform any work in inclement weather including wind rain snow lightning etc Maintenance e Periodically at least yearly check for wear and damage including corrosion stress cracks frayed cables loose cable clamps cable tightness etc and take necessary corrective actions e Periodically at least yearly check electrical ground co
6. 1 5 2 7 F RMS 1 m s 2 2 mph f Installation 7 1 Siting User Manual Construction UV stabilized white thermoplastic plates Aluminium mounting bracket white powder coated Stainless steel U bolt clamp Diameter 13 cm 5 1 in Height 26 cm 10 2 in Mounting Fits vertical pipe with 25 to 50 mm 1 to 2 in outer diameter Weight Net Weight 0 7 kg 1 5 Ib Shipping Weight 1 4 kg 3 Ib If you are programming your datalogger with Short Cut skip Section 7 4 1 45547 Sensor Wiring p 14 and Section 7 5 Datalogger Programming p 17 Short Cut does this work for you See Section 4 Quickstart p 1 for a Short Cut tutorial Short Cut only supports the V X option and not IX option Sensors should be located over an open level area at least 9 m EPA in diameter The surface should be covered by short grass or where grass does not grow the natural earth surface Sensors should be located at a distance of at least four times the height of any nearby obstruction and at least 30 m EPA from large paved areas Sensors should be protected from thermal radiation and adequately ventilated Standard measurement heights 1 5 m 1 0 m AASC 1 25 to 2 0 m WMO 2 0 m EPA 2 0 m and 10 0 m temperature difference EPA 7 2 Required Tools 1 2 inch open end wrench small screw driver provided with datalogger small Phillips screw driver UV resistant cable ties small pair of diagonal cutting p
7. 13 c1 2 3985 c2 1 1279 Y Calibrated 43347 probes are provided with a certificate from Calibrated 43347 probes are provided R M Youn that gives the gives the relationship of resistance td relations resistance to tempera s Equation T 4 Previo Help 6 After selecting the sensor click at the left of the screen on Wiring Diagram to see how the sensor is to be wired to the datalogger The wiring diagram can be printed out now or after more sensors are added um Mum 9 Short Cut CR1000 C Campbellsci SCWin untitled scw Scan Interval 5 0000 Seconds x File Program Tools Help CR1000 Progress 1 New Open CR1000 Wiring Diagram for untitled scw Wiring details can be found in the help file 2 Datalogger 3 Sensors 43347 VX C RTD C CR1000 Black 1H 4 Outputs Orange 1L 5 Finish White 2H Green 2L Wiring Purple Ground Wiring Dia gram Clear Ground 252 Red VX1 or EX1 Wiring Text Print 4 Previous Finish Help 7 Select any other sensors you have then finish the remaining Short Cut steps to complete the program The remaining steps are outlined in Short Cut Help which is accessed by clicking on Help Contents Programming Steps 8 If LoggerNet PC400 RTDAQ or PC200W is running on your PC and the PC to datalogger connection is active you can click Fi
8. 1s a way to insure the blower 1s operational B 1 Appendix B Example Programs CR1000 Declare Variables and Units Public RTD_Res Public RTD_Cal_C Units RTD Cal C Deg C Public 43502 Tach Units 43502 Tach Hz Define Data Tables DataTable Table1 True 1 DataInterval 0 60 Min 10 Average 1 RTD C FP2 False Sample 1 43502 Tach FP2 EndTable Main Program BeginProg Scan 5 Sec 1 0 Measure 43347 calibrated probe and convert Rs Rf to Rs BrHalf4AW RTD Res 1 mV250 mV250 1 1 1 2500 True True 0 60Hz 1000 0 Apply calibration coefficients probe specific 43347 calibration T 250 052585 R 2 375187e 1 R 2 1 258482e 5 Cal 250 0525854 RTD Res 2 375187e 1 RTD Res 2 1 258482e 5 Measure the 43502 tachometer output PulseCount Tach Hz 1 11 0 1 1 0 0 Call Data Tables and Store Data CallTable Table1 NextScan EndProg B 1 2 CR1000 Example for Uncalibrated 43347 VX Probes Table B 2 shows the sensor wiring for this example Table B 2 Wiring for Measurement Examples Red Switched Excitation wired to the 115 Vac 12 Vdc transformer supplied with the 43502 or separate 12 Vdc supply B 2 Appendix B Example Programs CR1000 Declare Variables Public RTD C Define Data Tables DataTable One Hour True 1 DataInterval 0 60 Min 0 Sample 1 RTD C IEEEA EndTable Main Program BeginProg Scan 1 Sec 1 0 43347 RTD Temperature Probe not calibrated measure
9. Campbelisci SCWin untitled scw File Program Tools Help Available Sensors and Devices gt CR1000 lt gt Medsurements Progress 1 New Open Generi 4 Sensors 2 Datalogger Geotechnical amp Structural T m L3 Meteorological E 4 Outputs Miscellaneous Senso 5 Finish a Temperature 105 chromel constantan Thermocouple 1 105 copper constantan Thermocouple Wiring 107 Temperature Probe 108 Temperature Probe 109 Temperature Probe 110PV Sug ace Temperature Probe 422 4334 43347 VX RTD Temperature Probe calibrat 43347 VX RTD Temperature Probe not cali IRTS P Precision Infrared Temperature Sensor 61 111 Precision Infrared Radiometer vi nt Wiring Diagram Wiring Text CR1000 Units for Temperature Deg C De Refer to the instructions in the s Selected Sensor Measurement 4 CR1000 4 Default Battv PTemp_C S mtm 9 43347 VX RTD Temperature Probe not calibrated Version 2 7 81 Properties Wiring 43347 VX RTD Tem calibrated Units for Temperatui ature Probe not Deg C Deg F Refer to the instruc s in the sensor manual for Help 43347 RTD Temperature Probe 43502 and 41003 5 Radiation Shields 6 After selecting the sensor click at the left of the screen on Wiring Diagram to see how the sensor is to be wired to the datalogger The wiring diagram can be printe
10. DLA 805835 649 0038 2 SH3HSYM SINN 30 1 8 ASSY Gu d 9597 Gi3IHS NOILVIOVS 9319559 SOrtv 1300 amp D 1 The 43408 radiation shield employs concentric downward facing intake tubes and a small canopy shade to isolate the temperature probe from direct and indirect radiation The 43347 temperature probe mounts vertically in the centre of the intake tubes Appendix D 43408 Aspirated Radiation Shield A brushless 12 Vdc blower motor pulls ambient air into the shield and across the temperature probe to reduce radiation errors The blower operates off a 115 Vac 12 Vdc transformer that is included with the shield D 1 Specifications 43408 ASPIRATED RADIATION SHIELD DIMENSIONS Length 44 in extendable to 75 in Diameter of Blower Housing 6 in AIR FLOW RATE 3 to 7 m s depending on sensor size TEMPERATURE RANGE 50 POWER REQUIRED 12 to 14 Vac O 420 to 480 mA 115 Vac 12 Vdc 800 mA transformer supplied RADIATION ERROR lt 0 2 C radiation E 1100 W m irradiance LIFE EXPECTANCY ON BLOWER 80 000 hrs 25 C 43347 Temperature Probe D Blower Housing D 2 and Junction Box e Ve a a B nn A 43408 Aspirated Radiation Shield Figure D 1 43347 RTD Temperature Probe and 43408 Aspirated Radiation Shield D 2 Installation Appendix D 43408 Aspirated Radiation Shield Refer to the General Assembly drawing in the RM Young 43408 Instruction M
11. Sensor Wiring NOTE 7 4 1 1 VX Wiring The 43347 two wiring configuration options the V X option and the IX version The VX option can connect directly to most of our dataloggers using a voltage excitation port The IX option can directly connect to dataloggers that have a current excitation port CR6 CR3000 and CR5000 43347 probes with the V X option are wired to the datalogger as described in Section 7 4 1 1 VX Wiring p 14 43347 probes with the IX option are wired to the CR6 CR3000 or CR5000 dataloggers as described in Section 7 4 1 2 IX Wiring p 15 Occasionally a customer may need to connect an IX version of the sensor to a datalogger that has voltage excitation only e g CR800 CR1000 The customer can do this by using a 4WPBIK terminal input module refer to the 4WPBIK manual for more information The 43347 V X probe is configured as a four wire half bridge as shown in Figure 7 7 Each probe requires two differential inputs and one voltage excitation channel one excitation channel can be used for two probes The black and orange wires connect to the first of two contiguous input channels For example if channels 1 and 2 are used the black and orange wires connect to 1H and 1L respectively and the white and green wires connect to 2H and 2L respectively Connections to Campbell Scientific dataloggers are given in Table 7 1 When Short Cut software is used to create the datalogger program wire the sens
12. guarantee period it should be accompanied by a purchase order Quotations for repairs can be given on request It 1 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 form will be issued for completion When returning equipment the Repair Reference Number must be clearly marked on the outside of the package Complete the Declaration of Hazardous Material and Decontamination form and ensure a completed copy is returned with your goods Please note your Repair may not be processed if you do not include a copy of this form and Campbell Scientific Ltd reserves the right to return goods at the customers expense Note that goods sent air freight are subject to Customs clearance fees which Campbell Scientific will charge to customers In many cases these charges are greater than the cost of the repair E CAMPBELL SCIENTIFIC Campbell Scientific Ltd 80 Hathern Road Shepshed Loughborough LE12 9GX UK Tel 44 0 1509 601141 Fax 44 0 1509 601091 Email support campbellsci co uk www campbellsci co uk 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 lin square inch 6
13. two probes at each of three levels it might be best to drive one probe from each level on one Ix and then drive the remaining probes on a second Ix This creates separate A and B systems which allow maintenance to be done on one system while the other system continues to make good measurements E 1 Appendix E Measure Two 43347 IX Probes Using One Current Excitation Channel E 1 Wiring Wire Label Ground Current Excite RTD Sense Signal Sense Signal Ref Ground Sense Signal Sense Signal Ref Current Return RTD E 2 CLEAR RED WHITE GREEN BLACK CLEAR RED WHITE GREEN BLACK Wiring for two 43347 IX probes is shown in Figure E 1 43347 Terminals EARTH GND RTD mum lc B OHM R 41 43347 Terminals EARTH GND RTD sese e OHM R m Figure E 1 Schematic for two 43347 Temperature Probes Appendix E Measure Two 43347 IX Probes Using One Current Excitation Channel E 2 Example Program for two Calibrated 43347 IX Probes This section includes an example CR3000 program that measures two calibrated 43347 IX probes A CR5000 is programmed similarly Wiring for the example program is shown in Table E 1 Table E 1 Wiring for Two 43347 IX Probes Example Function CR3000 Probe 1 Colour Red Switched Current Excitation Differential Low Excitation Return Red of Probe 2 Probe 2 Green Black Clear Red White Switched Current Excitation Black of Probe 1 Differenti
14. 052585 R 2 375187e 1 R 2 1 258482e 5 Cal 250 052585 RTD_Res 2 375187e 1 RTD_Res 2 1 258482e 5 Measure the 43502 tachometer output PulseCount 43502 Tach 1 11 0 1 1 0 0 CallTable PRT Data Next Scan EndProg B 2 2 CR3000 Example for Uncalibrated 43347 IX Probe The following example program measures an uncalibrated 43347 IX probe every 1 second and stores a 15 minute average temperature in degrees Celsius CR3000 Declare Variables and Units Public RTD Res Public RTD RsRo Public RTD C Public 43502 Tach Units 43502 Tach Hz Const Ro 1000 00 15 is the actual RTD resistance for this sensor at 0 0 C Define Data Tables DataTable PRT Data 1 1000 DataInterval 0 10 Min 1 Average 1 RTD C IEEEA False Sample 1 43502 Tach FP2 Endtable Appendix B Example Programs Main Program BeginProg Scan 3 Sec 10 0 Measure the 43347 IX Probe Resistance RTD Res 1 mV200 1 1x1 1 170 True True 0 60Hz 1 0 Convert resistance to temperature RTD RsRo RTD Res RTD Ro PRT RTD C 1 RTD RsRo 1 0267 0 0 Measure the 43502 tachometer output PulseCount Tach Hz 1 11 0 1 1 0 0 CallTable PRT Data Next Scan EndProg Appendix B Example Programs B 6 Appendix C 43502 Aspirated Radiation Shield GENERAL INFORMATION 43447 04 12VDC BLOWER WITH PULSED OUTPUT 41342 TEMPERATURE PROBE CAMPBELL SCIENTIFIC PT NO 43347 43532 MOTOR CONNECTION P C BOARD
15. 45 mm Mass 1 oz ounce 28 35 g 1 Ib pound weight 0 454 kg Length 1 in inch 25 4 mm 1 ft foot 2 304 8 mm Pressure 1 psi Ib in 68 95 mb yard 2 0 914 m 1 mile 1 609 km Volume UK pint 2 568 3 ml UK gallon 4 546 litres 1 US gallon 3 785 litres In addition while most of the information in the manual 1s correct for all countries certain information is specific to the North American market and so may not be applicable to European users Differences include the U S standard external power supply details where some information for example the AC transformer input voltage will not be applicable for British European use Please note however that when a power supply adapter is ordered it will be suitable for use in your country Reference to some radio transmitters digital cell phones and aerials may also not be applicable according to your locality Some brackets shields and enclosure options including wiring are not sold as standard items in the European market in some cases alternatives are offered Details of the alternatives will be covered in separate manuals Part numbers prefixed with a FP symbol are special order parts for use with non EU variants or for special installations Please quote the full part number with the when ordering Recycling information At the end of this product s life it should not be put in commercial or domestic refuse but sent for recycling Any batteries cont
16. 50 Hz rejection options Offsets in the measurement circuitry may be reduced by reversing the current excitation RevEx and reversing the differential analogue inputs RevDiff as shown in the program examples in Appendix B 2 43347 IX Programs p B 3 Troubleshooting and Maintenance NOTE All factory repairs and recalibrations require a returned material authorization RMA and completion of the Declaration of Hazardous Material and Decontamination form Refer to the Assistance page at the beginning of this manual for more information 9 1 Maintenance Inspect and clean the shield and probe periodically to maintain optimum performance When the shield becomes coated with a film of dirt wash it with mild soap and warm water Use alcohol to remove oil film Do not use any other solvent Check mounting bolts periodically for possible loosening due to tower vibration 9 2 Troubleshooting 99999 NAN displayed in input location Make sure the temperature probe is connected to the correct input channels see Section 7 5 Datalogger Programming p 17 The input channel refers to the channel that the black and orange wires are connected to The white and green wires connect to the next higher contiguous channel Unreasonable value displayed in variable Make sure the multiplier and offset values for the CRBasic instructions are correct see Section 7 5 Datalogger Programming p 17 For calibrated temperature prob
17. AQ software sowe 2 The Short Cut installation should place a Short Cut icon on the desktop of your computer To open Short Cut click on this icon 3 Progress Welcome to Short Cut Short Cut will 1 New Open 2 help you generate datalogger program The basic steps are 1 Create New Open Program 2 Select Datalogger 3 Select Sensors 4 Select Outputs 5 Finish Compile the Program lt Click New Program to begin Chick Open Program to open an existing Short Cut program Open Program User Manual 4 Select Datalogger Model and Scan Interval default of 5 seconds is OK for most applications Click Next File Program Tools Progress Help Test Datalogger Model Select the Datalogger Model for 1 New Open 2 Datalogger 3 Sensors 4 Outputs CR1000 Scan Interval which you wish to create a program Select the Scan Interval 5 Finish b This is how frequently measurements are made Wiring Wiring Diagram Wiring Text Under the Available Sensors and Devices list select Sensors Temperature 43347 folder Select 43347 VX RTD Temperature Probe not Calibrated Click to move the selection to the Selected device window Data defaults to degrees Celsius This can be changed by clicking the Deg C box and selecting Deg F for degrees Fahrenheit or K for Kelvin Scan Interval 5 0000 Seconds Short Cut CR1000 C
18. Bracket D 3 Appendix D D 4 43408 Aspirated Radiation Shield nn AY A E A AS Lc T RED Rz SR ARIAS RED BRUSHLESS DC BLOWER MOTOR 12 14VDC 420 480mA POLARITY PROTECTED POWER SUPPLY ADAPTER 115V AC 12VD C 800mA Figure D 3 43408 Aspirated Radiation Shield wiring Appendix E Measure Two 43347 IX Probes Using One Current Excitation Channel One current excitation channel can excite multiple 43347 probes if the Current Return wire of the first probe 15 connected to the Current Excitation wire of the second probe In theory a single Ix channel can excite up to 25 of the 43347 IX probes with 170 if all probes are at a temperature less than or equal to 45 At 45 the 43347 has a resistance of 1175 Q s The resistance increases as more probes are connected in series The increase of resistance requires the Ix channel to raise the driving voltage to maintain the same current The maximum voltage the Ix channel can drive is 5 Vdc Therefore the maximum number of 43347 probes is Max voltage current resistance per probe at 45 C 5 V 0 00017 A 1175 25 The CR3000 s differential channel count limits the number of probes to 14 without a multiplexer One disadvantage to driving multiple probes with a single Ix channel is that if one probe shorts or opens then the measurements of all the probes on that Ix channel will be bad If for example there are
19. PC200W PC400 or RTDAQ software OWN e User Manual 2 The Short Cut installation should place a Short Cut icon on the desktop of your computer To open Short Cut click on this icon Progress Welcome to Short Cut Short Cut will help you generate a datalogger program The basic steps are 1 New Open 1 Create New Open Program 2 Select Datalogger 3 Select Sensors 4 Select Outputs 5 Finish Compile the Program Chick Open Program to open an Qpan Program existing Short Cut program 4 Select Datalogger Model and Scan Interval default of 5 seconds is OK for most applications Click Next Program Tools Help Test Progress Datalogger Model Select the Datalogger Model for which you wish to create a 1 New Open rogram 2 Datalogger EE CR1000 3 Sensors 4 Outputs Scan Interval Select the Scan Interval 5 Finish This is how frequently 5 Seconds measurements are made Wiring Wiring Diagram Wiring Text V 4 Previous Next 5 Under the Available Sensors and Devices list select Sensors Temperature 43347 folder Select 43347 VX RTD Temperature Probe Calibrated Click E to move the selection to the Selected device window Data defaults to degrees Celsius This can be changed by clicking the Deg C box and 43347 RTD Temperature Probe 43502 and 41003 5 Radiation Shields selecting Deg F for degrees Fahre
20. Temperature Probe 43502 and 41003 5 Radiation Shields 20 precision 1000 Q resistor in the datalogger s current excitation circuitry The measurement result X Vs Ix RTD resistance in ohms where Vs is the measured voltage and Ix is the excitation current The maximum excitation current is 2 5 mA The parameters for the excitation current measurement range differential channel and options to reverse the excitation current and switch the differential inputs are configurable as discussed in the following sections For the CR3000 when relatively large resistances are measured gt 1000 ohms or relatively long cable lengths are used gt 50 feet with sensors requiring current excitation a 0 1 uf capacitor should be placed between the IX and IXR to prevent excessive ringing The capacitor serves a feed forward function With this capacitor present a minimum of 3 ms is recommended for the Settling Time parameter in the measurement instruction The capacitor simply connects between the IX terminal and the IXR terminal The capacitor has no polarity Campbell Scientific offers a 0 1 uf capacitor pn 10721 8 1 1 Determining the Excitation Current Current passing through the RTD causes heating within the RTD referred to as self heating resulting in a measurement error To minimize self heating errors use the minimum current that will still give the desired resolution The best resolution is obtained when the excitation is large en
21. ained within the product or used during the products life should be removed from the product and also be sent to an appropriate recycling facility Campbell Scientific Ltd can advise on the recycling of the equipment and in some cases arrange collection and the correct disposal of it although charges may apply for some items or territories For further advice or support please contact Campbell Scientific Ltd or your local agent E CAMPBELL SCIENTIFIC Campbell Scientific Ltd 80 Hathern Road Shepshed Loughborough LE12 9GX UK Tel 44 0 1509 601141 Fax 44 0 1509 601091 Email support campbellsci co uk www campbellsci co uk Precautions DANGER MANY HAZARDS ARE ASSOCIATED WITH INSTALLING USING MAINTAINING AND WORKING ON OR AROUND TRIPODS TOWERS AND ANY ATTACHMENTS TO TRIPODS AND TOWERS SUCH AS SENSORS CROSSARMS ENCLOSURES ANTENNAS ETC FAILURE TO PROPERLY AND COMPLETELY ASSEMBLE INSTALL OPERATE USE AND MAINTAIN TRIPODS TOWERS AND ATTACHMENTS AND FAILURE TO HEED WARNINGS INCREASES THE RISK OF DEATH ACCIDENT SERIOUS INJURY PROPERTY DAMAGE AND PRODUCT FAILURE TAKE ALL REASONABLE PRECAUTIONS TO AVOID THESE HAZARDS CHECK WITH YOUR ORGANIZATION S SAFETY COORDINATOR OR POLICY FOR PROCEDURES AND REQUIRED PROTECTIVE EQUIPMENT PRIOR TO PERFORMING ANY WORK Use tripods towers and attachments to tripods and towers only for purposes for which they are designed Do not exceed design limits Be familiar a
22. al High Green Differential Low Black Clear NIN z a Excitation Return Shield 2 43502 Shields White for first probe C2 for second wired to the 115 Vac 12 Vdc transformer supplied with the 43502 or separate 12 Vdc supply CR3000 Series Datalogger Declare Variables and Units Public RTD1 Res RTD1 Cal Public RTD2 Res RTD2 Cal C Public 43502 Tach Public 43502 Tach 1 Units 43502 Tach Hz Units 43502 Tach 1 Hz Define Data Tables DataTable Data 1 1000 DataInterval 0 15 Min 1 Average 1 RTD1 Cal C IEEEA False Average 1 RTD2 Cal C IEEEA False Sample 1 43502 Tach FP2 Sample 1 43502 Tach 1 FP2 EndTable Main Program BeginProg Scan 1 Sec 0 0 Measure the 43347 IX probes Resistance RTD1 Res 1 mV200 1 1x1 1 170 True True 0 60Hz 1 0 E 3 Appendix E Measure Two 43347 IX Probes Using One Current Excitation Channel Resistance RTD2 Res 1 mV200 2 1x1 1 170 True True 0 60Hz 1 0 Convert resistance to temperature 43347 1 calibration T 250 052585 R 2 375187e 1 R 2 1 258482e 5 RTD1 Cal C 250 052585 RTD1_Res 2 375187e 1 RTD1_Res 2 1 258482e 5 43347 2 calibration T 250 152585 R 2 475187e 1 R 2 1 358482e 5 RTD2 Cal C 250 152585 RTD1_Res 2 475187e 1 RTD1_Res 2 1 358482e 5 CallTable PRT Data the 43502 tachometer outputs PulseCount 1 11 0 1 1 0 0 PulseCount Tach 1 1 12 0 1 1 0 0 NextScan EndPr
23. anual included for reference to the names of shield components Thread the moulded shield assembly into the appropriate threaded opening in the shield mounting tee at the end of the telescoping arm Hand tighten the shield to slightly compress the O ring seal do not cross thread or over tighten Insert the sensor mounting tube and junction box with its split bushing into the shield mounting tee Tighten the threaded split bushing to secure the junction box in place do not over tighten Two U bolt brackets attach the radiation shield to horizontal vertical or diagonal tower members up to 2 inches in diameter spaced 12 to 30 inches apart Campbell Scientific pn 7515 10 m Aspirated Shield Mounting Bracket can be used to mount the shield to a single vertical pipe or mast as shown in Figure D 2 The mounting arm should be horizontal with the vent holes facing downward with the probe end pointing towards the prevailing wind Tighten the U bolt brackets sufficiently for a secure hold without distorting the plastic v blocks Loosen the band clamp and extend the arm at least 24 inches Rotate the shield so the intake tube is oriented vertically with the intake opening facing down Tighten the band clamp and secure the sensor lead to the arm using UV resistant cable ties Vent Holes pn 7515 Junction Box Een 0 0 f ES Intake Tube p d Figure D 2 PN 7515 10 m Aspirated Shield Mounting
24. box or ac outlet and use cable ties to secure the power cable to the mounting structure Ensure that there is a sufficient loop in the power cable to allow the blower cover to be opened and closed easily 10 Route the sensor cable to the instrument enclosure and secure the cable to the tripod tower using cable ties 11 Close the blower cover and tighten the captive screw User Manual 7 3 2 41003 5 Radiation Shield Mounting 1 Attach the 41003 5 to the tripod tower or crossarm using its U bolt Tighten the nuts on the U bolt sufficiently for a secure hold see Figure 7 5 and Figure 7 6 2 Loosen the 27251 split nut on the bottom plate of the 41003 5 and insert the 43347 into the shield Tighten the split nut to secure the sensor in the shield 3 Route the sensor cable to the instrument enclosure Secure the cable to the tripod tower using cable ties 41003 5 Shield PN 27251 Split Nut 43347 Probe Figure 7 5 41003 5 Radiation Shield mounted to tripod mast 13 43347 RTD Temperature Probe 43502 and 41003 5 Radiation Shields 14 7 44 Wiring 41003 5 Shield 220 i N IN PN 427251 Split Nut CM200 series Y Crossarm Figure 7 6 41003 5 Radiation Shield mounted to a CIM200 series Crossarm To wire an Edlog datalogger see an older manual at www campbellsci com old manuals or contact a Campbell Scientific application engineer for assistance 7 4 1 43347
25. d out now or after more sensors are added Short Cut CR1000 C Campbellsci SCWin untitled scw Scan Interval 5 0000 Seconds File Program Tools Help CR1000 Progress E SSS _ New Open CR1000 Wiring Diagram for untitled scw Wiring details can be found in the help file 2 Datalogger 43347 VX NC RTD C CR1000 3 Sensors Black 1H 4 Outputs Orange 1L 5 Finish White 2H Green 2L Wiring Purple d Ground Clear EE Ground Wiring Diagram a Red VX1 or EX1 Wiring Text 4 Previous Next Finish Help 7 Select any other sensors you have then finish the remaining Short Cut steps to complete the program The remaining steps are outlined in Short Cut Help which is accessed by clicking on Help Contents Programming Steps 8 If LoggerNet PC400 RTDAQ or PC200W is running on your PC and the PC to datalogger connection is active you can click Finish in Short Cut and you will be prompted to send the program just created to the datalogger 9 Ifthe sensor is connected to the datalogger as shown in the wiring diagram in step 6 check the output of the sensor in the datalogger support software data display to make sure it is making reasonable measurements 4 2 Calibrated 43347 1 Install Short Cut by clicking on the install file icon Get the install file from either www campbellsci com the ResourceDVD or find it in installations of LoggerNet
26. e Campbell Scientific Beijing Co Ltd 8B 16 Floor 8 Tower B Hanwei Plaza 7 Guanghua Road Chaoyang Beijing 100004 P R CHINA www campbellsci com e info 2 campbellsci com cn Please visit www campbellsci com to obtain contact information for your local US or International representative
27. ections for VX option 15 Datalogger Connections for Option ccccccccccnnnnnnnnnnonocncnnnnnnnnnnnnnos 16 43502 Blower Tachometer Connections ccccccccnnnnnnnnnnnnnonncnnnnnnnnnnnnnss 17 CRBasic Instructions Used to measure the 43347 18 Wiring for Measurement Examples B 1 Wiring for Measurement Examples B 2 Wiring for Measurement Examples B 3 Wiring for Two 43347 IX Probes E 3 43347 RTD Temperature Probe 1 2 3 4 Introduction NOTE 43502 and 41003 5 Radiation Shields The 43347 1s a highly accurate RTD that often provides delta temperature measurements for air quality applications Typically it is housed in the 43502 fan aspirated radiation shield which greatly reduces radiation errors It may also be used with the 41003 5 10 plate naturally aspirated radiation shield This manual provides information only for CRBasic dataloggers It is also compatible with many of our retired Edlog dataloggers For Edlog datalogger support see older manual at www campbellsci com old manuals or contact a Campbell Scientific application engineer for assistance Cautionary Statements READ AND UNDERSTAND the Precautions section at the front of this manual Care should be taken when opening the shipping package to not damage or
28. es Section 7 5 4 Calibration Equation p 19 make sure the coefficients have been properly scaled and entered For uncalibrated temperature probes make sure the multiplier and offset values have been properly entered Section 7 5 5 PRT CRBasic Instruction p 19 Temperature reading too high Make sure the blower is working properly and there are no obstructions to the air flow in the sensor shield telescoping arm or vent holes Also check that the probe end of the shield points toward the prevailing wind 21 43347 RTD Temperature Probe 43502 and 41003 5 Radiation Shields 9 3 43347 Probe Calibration Calibration should be checked every 12 months Probes used to measure a temperature gradient should be checked with respect to absolute temperature and with respect to zero temperature difference An excellent discussion on calibration procedures can be found in the Quality Assurance Handbook for Air Pollution Measurement Systems Volume IV Meteorological Measurements 10 Attributes and References Refer to the RM Young 43502 Instruction Manual for additional information such as replacement parts assembly drawings and electrical schematics EPA 1989 Quality Assurance Handbook for Air Pollution Measurement Systems Volume IV Meteorological Measurements EPA Office of Research and Development Research Triangle Park North Carolina 27711 22 Appendix A Importing Short Cut Code This tutorial shows e How t
29. h is hinged to allow easy access for sensor installation and cable connections 4 Insert the 43347 probe inside the 43502 shield using the sensor mounting bushing supplied with the 43502 as shown in Figure 7 3 5 Route the sensor cable through the notch in the blower s housing The black grommet provides a seal Figure 7 3 and Figure 7 4 6 Clamp the sensor cable using the sensor cable clamp to keep it in proper position when the cover is closed Figure 7 4 Grommet A t Sensor Mounting Bushing Figure 7 3 43347 probe and bushing 11 43347 RTD Temperature Probe 43502 and 41003 5 Radiation Shields 12 CAUTION CAUTION CAUTION Wiring TACH White POS Red NEG Black Figure 7 4 43347 probe mounted inside the 43502 shield 7 Connect the plug in adapter to the shield s terminals on the underside of the blower cover Figure 7 4 Terminal designations positive POS negative NEG and tachometer TACH are marked on the printed circuit board Be sure to observe correct polarity Red is positive black is negative The blower motor draws approximately 420 mA to 480 mA Use sufficiently heavy gauge wire between the power supply adapter and the blower motor terminals to avoid significant voltage drop 8 Clamp the blower power cable with the power cable clamp provided at the edge of the printed circuit card Figure 7 4 9 Plug the ac adapter into the junction
30. hen using the Resistance instruction R is the measured result if Mult is set to 1 0 and Offset is set to 0 0 7 5 5 PRT CRBasic Instruction For uncalibrated probes the PRT instruction is used to convert the ratio Rs Ro to temperature in accordance with DIN Standard 43760 where Rs is the measured resistance of the RTD and Ro is the resistance of the RTD at 0 degrees Celsius 1000 Because the alpha of the 43347 is 0 00375 and the alpha of DIN standard is 0 00385 a multiplier of 1 0267 0 00385 0 00375 is required in the PRTO instruction The PRTO instruction with its parameters is listed below PRT Dest Reps Source Mult Offset 7 5 6 Pulse CRBasic Instruction Operation The Pulse CRBasic instruction can be used to measure and store the tachometer output frequency Hz of the 43502 aspirated radiation shield Storing the output frequency is a way to insure the blower is operational The PulseCount instruction with its parameters is listed below PulseCount Dest Reps PChan PConfig POption Mult Offset For the PConfig parameter use high frequency See Appendix B Example Programs p B 1 for more information 8 1 Resistance Measurement Instruction Details The Resistance instruction applies a switched current excitation to the 43347 probe and makes two differential voltage measurements The first differential voltage measurement is made across the RTD the second is made across a 19 43347 RTD
31. hless 12 Vdc blower motor pulls ambient air into the shield and across the probe to reduce radiation errors The 43502 blower operates off a 115 Vac 12 Vdc transformer that is included with the shield or from a user provided 12 Vdc source The blower has a Tachometer output that is measured with a control port or pulse counter input on the datalogger and the output frequency stored as part of the data to insure the blower was operational Lead length for the 43347 and 43502 is specified when the probe shield is ordered Maximum cable length for the 43502 is 22 8 m 75 ft which is based upon 22 AWG wire 500 mA current draw and an allowance for a 1 V voltage drop across the cable Larger diameter wire could be used for longer cable lengths With 18 AWG wire the maximum length is 60 9 m 200 ft Specifications Features e Uses 1000 Q PRT for highly accurate air temperature measurements e Well suited for air quality applications e 43502 fan aspirated radiation shield reduces radiation errors for more accurate measurements e Ideal for delta temperature measurements used in calculating atmospheric stability class e Compatible with Campbell Scientific CRBasic dataloggers CR6 CR800 series CR1000 CR3000 CR5000 and CR9000 X 6 1 43347 Rtd Temperature Probe RM Young Model Number 41342 Probe Tip Stainless Steel Sheath Diameter 0 478 cm 0 188 in Stainless Steel Sheath Length 6 12 cm 2 41 in 43347 RTD Temperature P
32. hort Cut If your data acquisition needs are more complex the files that Short Cut creates are a great source for programming code to start a new program or add to an existing custom program NOTE Short Cut cannot edit programs after they are imported and edited in CRBasic Editor A Short Cut tutorial is available in Section 4 Quickstart p 1 If you wish to import Short Cut code into CRBasic Editor to create or add to a customized program follow the procedure in Appendix A 1 Importing Short Cut Code into a Program Editor p A 1 Programming basics for CRBasic dataloggers are provided in the following sections Complete program examples for select dataloggers can be found in Appendix B Example Programs p B 1 7 5 1 Program Structure Table 7 4 shows the instructions used a 43347 CRBasic program 17 43347 RTD Temperature Probe 43502 and 41003 5 Radiation Shields 18 Measure Sensor Convert to temperature Table 7 4 CRBasic Instructions Used to measure the 43347 Calibrated Uncalibrated Calibrated Uncalibrated Function 43347 VX 43347 VX 43347 IX 43347 IX BRHalf4W Section 7 5 2 Resistance see Section 7 5 3 BRHalf4W CRBasic Resistance CRBasic Instruction p 18 Instruction p 18 Mathematical EISE Mathematical ERE Section Section expression expression 7 5 5 PRT Section 7 5 4 799 Section 7 5 4 CR Basic CR Basic Calibration Calibration Instruction Instruction Eq
33. ile is edited with CRBasic Editor Short Cut can no longer be used to edit the datalogger program Change the name of the program file or move it or Short Cut may overwrite it next time it is used 5 6 The program can now be edited saved and sent to the datalogger Import wiring information to the program by opening the associated DEF file Copy and paste the section beginning with heading Wiring for CRXXX into the CRBasic program usually at the head of the file After pasting edit the information such that a character single quotation mark begins each line This character instructs the datalogger compiler to ignore the line when compiling the datalogger code Appendix A Importing Short Cut Code Appendix B Example Programs B 1 43347 VX Programs B 1 1 CR1000 Example for Calibrated 43347 VX Probes Table B 1 shows the sensor wiring for this example Colour CR1000 43502 Shield wired to the 115 Vac 12 Vdc transformer supplied with the 43502 or separate 12 Vdc supply Because the calibration coefficients to convert sensor resistance Rs to temperature the BrHalf4W measurement result Rs Rf must be multiplied by 1000 Rf before the coefficients are applied To do this the BrHalf4W uses 1000 for the Mult parameter This program includes an instruction to measure and store the tachometer output frequency Hz of the 43502 aspirated radiation shield Storing the output frequency
34. liers T 3 Radiation Shield Installation The 43347 15 typically housed in the 43502 motor aspirated radiation shield but can also be housed in the 41003 5 naturally aspirated radiation shield These radiation shields are configured for attaching the shield to a vertical tripod mast or tower leg By moving the U bolt to the other set of holes the radiation shields can be attached to a CM200 series crossarm The crossarm includes a CM210 Mounting Kit for attaching the crossarm to a tripod mast or tower leg For triangular towers such as the UT30 an additional CM210 Crossarm Mounting Kit can be ordered for attaching the crossarm to two tower legs increasing the stability 43347 RTD Temperature Probe 43502 and 41003 5 Radiation Shields 7 3 1 43502 Radiation Shield Mounting Appendix C 43502 Aspirated Radiation Shield p C 1 provides names and locations of shield components and position of sensor within the shield 1 Attach the 43502 to the tripod tower or crossarm using the 43502 s U bolt Tighten the nuts on the U bolt sufficiently for a secure hold without distorting the plastic v block see Figure 7 1 and Figure 7 2 2 Loosen the captive screw in the blower cover see Figure 7 1 43502 Shield Figure 7 1 43502 Radiation Shield mounted to tripod mast 10 User Manual 43502 Shield CM200 series Crossarm Figure 7 2 43502 radiation shield mounted to a CM200 series Crossarm 3 Open the blower cover whic
35. ment RTD C BrHalfAW RTD C 1 mV250 mV250 1 Vx1 1 2500 True True 0 60Hz 1 0 PRT RTD C 1 RTD C 1 0267 0 Call Data Tables and Store Data CallTable One Hour NextScan EndProg B 2 43347 IX Programs Table B 3 shows the sensor wiring for Appendix B 2 1 CR3000 Example for Calibrated 43347 IX Probe p B 4 and Appendix B 2 2 CR3000 Example for Uncalibrated 43347 IX Probe p B 4 These programs include an instruction to measure and store the tachometer output frequency Hz of the 43502 aspirated radiation shield Storing the output frequency is a way to insure the blower is operational Table B 3 Wiring for Measurement Examples ws wired to the 115 Vac 12 Vdc transformer supplied with the 43502 or separate 12 Vdc supply B 3 Appendix B Example Programs B 2 1 CR3000 Example for Calibrated 43347 IX Probe The following example program measures a calibrated 43347 IX probe every 1 second and stores a 15 minute average temperature in degrees Celsius CR3000 Declare Variables and Units Public RTD Res Public RTD Cal C Public 43502 Tach Units 43502 Tach Hz Define Data Tables DataTable PRT Data 1 1000 DataInterval 0 15 Min 1 Average 1 RTD Cal C IEEEA False Sample 1 43502 Tach FP2 Endtable Main Program BeginProg Scan 1 Sec 10 0 Measure the 43347 IX probe Resistance RTD Res 1 mV200 1 1x1 1 170 True True 0 60Hz 1 0 Convert RTD resistance to temperature 43347 calibration T 250
36. n This CRBasic instruction applies a switched current excitation and measures the voltage across the 1000 2 RTD The result with a multiplier of 1 and an offset of 0 is the RTD resistance in ohms The result needs to be converted from ohms to temperature The method used to do this depends on whether the probe is calibrated or uncalibrated For calibrated probes see Section 7 5 4 Calibration Equation p 19 For uncalibrated probes see Section 7 5 5 PRT CRBasic Instruction p 19 User Manual The Resistance instruction with its parameters 1s listed below Resistance Dest Reps Range DiffChan lexChan MeasPEx EXuA RevEx RevDiff SettlingTime Integ Mult Offset Details on determining the excitation current and other parameter options are described in Section 8 1 Resistance Measurement Instruction Details p 19 7 5 4 Calibration Equation For calibrated 43347 probes a mathematical equation is used to convert the result to temperature The mathematical equation is provided with the R M Young Co calibration certificate that is included with each calibrated probe This certificate gives the relationship of resistance to temperature C The equation will be in the form of T2C Ci C T 1s the temperature in degrees Celsius The values for Ci and are unique for each sensor When using the BRHalf4W instruction is the measured result if Mult is set to 1000 and Offset is set to 0 0 W
37. nd comply with all instructions provided in product manuals Manuals are available at www campbellsci eu or by telephoning 44 0 1509 828 888 UK You are responsible for conformance with governing codes and regulations including safety regulations and the integrity and location of structures or land to which towers tripods and any attachments are attached Installation sites should be evaluated and approved by a qualified engineer If questions or concerns arise regarding installation use or maintenance of tripods towers attachments or electrical connections consult with a licensed and qualified engineer or electrician General e Prior to performing site or installation work obtain required approvals and permits Comply with all governing structure height regulations such as those of the FAA in the USA e Use only qualified personnel for installation use and maintenance of tripods and towers and any attachments to tripods and towers The use of licensed and qualified contractors is highly recommended e Read all applicable instructions carefully and understand procedures thoroughly before beginning work e Wear a hardhat and eye protection and take other appropriate safety precautions while working on or around tripods and towers e Do not climb tripods or towers at any time and prohibit climbing by other persons Take reasonable precautions to secure tripod and tower sites from trespassers e Use only manufacturer recommended parts
38. nheit or K for Kelvin Enter C0 C1 and C2 values for C0 C1 and C2 are provided the calibration certificate from R M Young that was shipped with the sensor These values are unique for each sensor r n Short Cut CR1000 C Campbellsci SCWin untitled scw Scan Interval 5 0000 Seconds amp E File Program Tools Hel Available Sensors and Devices Selected Meteorological Sensor Measurement 1 New Open Miscellaneous Sensors 4 CR1000 2 Datalogger 2 00 Temperature 4 Default BattV 105E chromel c nstantan Thermocouple 3 Sensors Progress 105T copper constantan Thermocouple PTemp C 4 Outputs 107 Temperature Probe S Finish 108 Temperature Probe 109 Temperature Probe 110PV Surfage Temperature Probe Wiring 4 iy 43347 Wiring Diagram E gt _ 43347 TD Temperature Probe cali gt m 43347 VX RTD Temperature Probe not IRTS P Precision Infrared Temperature Se 51 111 Precision Infrared Radiometer 8 43347 VX RTD Temperature Probe calibrated Type E chromel constantan Thermocour J constantan Thermocouple Type chromel alumel Thermocouple Type T copper constantan Thermocoup Wiring Panel Temperature 4 Water 4 p CR1000 43347 VX RTD Temperature Probe ci Units for Temperature Deg Deg F Winng Text Properties Wiring Temperature RTD C Deg C Y CO 251
39. nish in Short Cut and you will be prompted to send the program just created to the datalogger 9 Ifthe sensor is connected to the datalogger as shown in the wiring diagram in step 6 check the output of the sensor in the datalogger support software data display to make sure it is making reasonable measurements 9 6 Overview User Manual The 43347 is a 1000 resistance temperature device RTD used to measure ambient air temperature and delta or gradient air temperature The standard 43347 probe has an uncertainty of 0 3 For increased accuracy the 43347 probe can be ordered with a three point calibration with an uncertainty of 0 1 C There are two cable options for the 43347 Option VX configures the probe as a 4 wire half bridge that requires a voltage excitation and two differential input channels and can be used with all Campbell Scientific dataloggers except the CR200 X Option IX configures the probe for use with the CR6 CR3000 or CR5000 dataloggers and requires a current excitation and one differential input channel The 43347 is typically housed in the 43502 motor aspirated radiation shield but can also be housed in the 41003 5 naturally aspirated radiation shield The 43502 radiation shield employs concentric downward facing intake tubes and a small canopy shade to isolate the temperature probe from direct and indirect radiation The 43347 probe mounts vertically in the centre of the intake tubes A brus
40. nnections 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 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 T INWOQUCHON een 1 2 Cautionary Statements 1 9 INIUAL INSPECUON issia 1 CI ac a IDIOT I 1 4 1 Uncalibrated 43 347 see 2 4 2 a 4 5 2OVEIVIEW ESTEE E S 7 6 7 6 1 43347 Temperature Probe sust ee 7 6 2 43502 Aspirated Radiation 5 8 6 3 41003 5 Radiation 8 fe Cile iE IU UT 9 7 1 SLI 9 22 atea 9 7 3 Radiation Shield 9 7 3 1 43502 Radiation Shield Mounting ooooconononnnncnnnnnnnnnnnnnnnnnnnnnnnos 10 7 3 2 41003 5 Radiation Shield Mounting oooooooonnncnnnnnnnnnnnnnnnnnnnnnnnos 13 RE Tum Em 14 TAS 43347 Sensor Wins lilas 14 E O ee 14 Es US ee RN 15 7 4 2 43502 Aspirated Radiation Shield 16 Datalogge
41. o import a Short Cut program into a program editor for additional refinement e How to import a wiring diagram from Short Cut into the comments of a custom program A 1 Importing Short Cut Code into a Program Editor Short Cut creates files that can be imported into either CRBasic Editor These files normally reside in the C campbellsci SCWin folder and have the following extensions NOTE DEF wiring and memory usage information CR6 CR6 datalogger code CR1 CR1000 datalogger code CR8 CR800 datalogger code CR3 CR3000 datalogger code CR5 CR5000 datalogger code CR9 CR9000 X datalogger code Use the following procedure to import Short Cut code into CRBasic Editor CR6 CR1000 CR800 CR3000 CR5000 or CR9000 X dataloggers 1 Create the Short Cut program following the procedure in Section 4 Quickstart p 1 Finish the program and exit Short Cut Make note of the file name used when saving the Short Cut program Open CRBasic Editor Click File Open Assuming the default paths were used when Short Cut was installed navigate to C CampbellSci SCWin folder The file of interest has a CR6 CR8 CR5 or extension for CR6 CR1000 CR800 CR3000 CR5000 or CR9000 X dataloggers respectively Select the file and click Open Immediately save the file in a folder different from Campbellsci SCWin or save the file with a different file name Once the f
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43. or to the channels shown on the wiring diagram created by Short Cut Wire Label Shield G Volt Excite RTD Sense Signal Signal Ref RTD Signal RTD RTD Signal Ref Reference CLEAR WHITE GREEN BLACK 10K 1 RED 1000 OHM 0 01 3PPM C PURPLE User Manual 43347 Terminals EARTH GND SENSE 1000 OHM R RTD S Figure 7 7 43347 VX Temperature Probe wiring Table 7 1 Datalogger Connections for VX option Colour Datalogger Red Switched Excitation White Differential high Green Differential low Black Differential high Orange Differential low Purple Excitation Reference 7 4 1 2 IX Wiring Wire Label Ground Current Excite RTD Sense Signal Sense Signal Ref Current Return RTD Clear Shield G The 43347 IX probe is configured as shown in Figure 7 8 Connections to the CR6 CR3000 and CR5000 dataloggers are shown in Table 7 2 CLEAR HED WHITE GREEN BLACK Figure 7 8 43347 Terminals EARTH GND SENSE 1000 OHM RTD Rs 43347 IX Temperature Probe schematic 15 43347 RTD Temperature Probe 43502 and 41003 5 Radiation Shields 16 Table 7 2 Datalogger Connections for IX Option Wire Label CR6 CR3000 CR5000 Current Excite RTD Switched Current Excitation Sense Signal Differential high Sense Signal Ref Differential low Current Return RTD Switched Current Excitation Return 7 4 2 43502 Aspirated Radiation Shield Wi
44. ough to cause the signal voltage to fill the measurement range The following example determines an excitation current that keeps self heating effects below 0 002 C in still air Self heating can be expressed as Rep Where AT self heating in C Ix current excitation Rgrp 1000 RTD resistance 0 05 C mW self heating coefficient Solving the above equation for Ix Ix AT Rprp 0 1 2 To keep self heating errors below 0 002 C the maximum current Ix is Ix 002 C 1000 Q e 05 001W 1 2 Ix 200 pA The best resolution is obtained when the excitation is large enough to cause the signal voltage to fill the measurement full scale range the possible ranges are 5000 1000 200 50 and 20 mV The maximum voltage would be at the high temperature or highest resistance of the RTD At 40 C 1000 RTD with a 3 75 Q C is about 1150 Using Q s law to determine the voltage across the RTD at 40 C V IxR Using an Ix value of 200 uA the voltage is User Manual V 200 11500 V 230 mV This 1s just over the 200 mV input voltage range of the CR3000 Fora maximum voltage of 200 mV the current Ix is Ix 200 mV 1150 Q Ix 170 pA 8 1 2 Reducing Measurement Noise AC power lines pumps and motors can be the source of electrical noise If the 43347 probe or datalogger is located in an electrically noisy environment the measurement should be made with the 60 or
45. r Programming aueh poe die erroe 17 PL O a AA A 17 7 5 2 BRHalfAW CRBasic Instruction eee 18 7 5 3 Resistance CRBasic Instruction 4 04220 47 18 qd Calibration Paura OM da 19 1 33 Instruction sans 19 7 5 6 Pulse CRB ASIC Instruction niece itso 19 as 19 8 1 Resistance Measurement Instruction Details 19 8 1 1 Determining the Excitation 20 8 1 2 Reducing Measurement 21 9 Troubleshooting and Maintenance 21 9 Marte fiai e asas is si a hdi 2 92 ooo eio ei 21 19947 Prope Cal Bratt ans ei 22 10 Attributes and References 22 Appendices A Importing Short Cut Code A 1 A l Importing Short Cut Code into a Program Editor A 1 B Example Programs B 1 Bub AIVA POSTA direi cedi een B 1 B 1 1 CR1000 Example for Calibrated 43347 V X Probes B 1 1 2 CR1000 Example for Uncalibrated 43347 V X Probes B 2 B ASIA A B 3 B 2 1 CR3000 Example for Calibrated 43347 IX Probe B 4 B 2 2 CR3000 Example for Uncalibrated 43347 IX Probe B 4 C 43502 Aspirated Radiation Shield
46. ring The shield is sometimes shipped with a 115 Vac 12 Vdc or equivalent transformer In most applications AC power is run to the tower or tripod and terminated in a junction box that is large enough to house the transformer s as shown in Figure 7 9 Cable to 43502 Transformer Connections Shield Wiring Red 12 V Black Ground User Provided TACH White POS Red Cable to Datalogger NEG Black Datalogger Connections N White Pulse Input EN Black Ground 112053 CLASS 2 TRANSFORMER USTED Figure 7 9 43502 Aspirated Shield wiring User Manual Table 7 3 43502 Blower Tachometer Connections Colour 43502 115 Vac 12 Vdc Transformer Datalogger terminal wire Red with red heat shrink without heat shrink White TACH spare terminal Control Port Clear No Connect terminal wire without heat shrink using Campbell Scientific pn CABLE2CBL L or user provided 2 conductor shielded cable Black terminal wire 7 5 Datalogger Programming Short Cut can be used to program a 43347 with the VX option but not the IX option Short Cut is the best source for up to date datalogger programming code Programming code is needed e when creating a program for a new datalogger installation e when adding sensors to an existing datalogger program If measuring the 43347 V X and your data acquisition requirements are simple you can probably create and maintain a datalogger program exclusively with S
47. robe 43502 and 41003 5 Radiation Shields Total Probe Tip Length stainless steel sheath and moulded plastic Overall Length Sensing Element Temperature Range Accuracy Temperature Coefficient 10 08 cm 3 97 in 17 8 cm 7 1n HY CAL 1000 Q Platinum RTD 50 0 3 at 0 0 1 with NIST calibration 0 00375 6 2 43502 Aspirated Radiation Shield Sensor Types Radiation Error Ambient Temperature Delta T Aspiration Rate Power Requirement Tachometer Output Overall Height Diameter Shield Diameter Length Blower Housing Diameter Length Mounting 6 3 41003 5 Radiation Shield Sensor Types Radiation Error Accommodates sensors up to 24 mm 0 9 in diameter 0 2 C 0 4 F RMS 1000 W m intensity 0 05 0 1 F RMS with like shields equally exposed 5 to 11 m s 16 to 36 fps depending on sensor size 12 to 14 Vdc 500 mA for blower 0 to 5 Vdc square wave pulse 2 pulses per revolution Approximately 146 Hz 4380 rpm 12 Vdc 33 cm 13 in 20 cm 8 in 7 cm 2 7 in 12 cm 4 7 in 17 cm 6 7 in 11 cm 4 3 in V block and U bolt fits vertical pipe with 25 to 50 mm 1 0 to 2 0 in outer diameter Accommodates temperature and humidity sensors up to 26 mm 1 in diameter 1080 W m intensity Dependent on wind speed 0 4 0 7 F RMS 3 m s 6 7 mph 0 7 1 3 F RMS 2 m s 4 5 mph
48. uation p 19 Equation p 19 p 19 4 9 19 19 43502 TACH PulseCount Section 7 5 6 Pulse CRBasic Instruction p 19 optional 7 5 2 BRHalf4W CRBasic Instruction The VX option specifies that the probe cable is configured for a 4 wire half bridge measurement using an excitation voltage With this configuration the BRHalf4W CRBasic instruction is used to measure the sensor The measurement applies an excitation voltage and makes two differential voltage measurements The first measurement is made across the fixed resistor Rf the second is made across the RTD Rs The result is the ratio of the two resistances Rs Rf which is not affected by lead length The result needs to be converted to temperature The method used to do this depends on whether the probe 15 calibrated or uncalibrated For calibrated probes see Section 7 5 4 Calibration Equation p 19 For uncalibrated probes see Section 7 5 5 PRT CRBasic Instruction p 19 The BRHalf4W instruction has the following form BrHalfAW Dest Reps Rangel Range2 DiffChan ExChan MeasPEx ExmV RevEx RevDiff SettlingTime Integ Mult Offset Variations e Set Mult to 1000 if measuring a calibrated sensor e Set Mult to 1 0 if measuring an uncalibrated sensor 7 5 3 Resistance CRBasic Instruction CRBasic dataloggers compatible with the IX option are the CR6 CR3000 and CR5000 The 43347 IX 1s measured with the Resistance instructio

43347 RTD Temperature Probe and 43502 Aspirated Radiation Shield

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