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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'

Battery

(BattV)

'Wiring Panel Temperature measurement 'PTemp_C'

PanelTemp

(PTemp_C,60)

'Measure the Tempvue 10 resistance

BrHalf

(X,1,mV200C,1,Vx1,1,2500,True,50000,60,1,0)

'Calculate the value of Rs

Rs = Rf*X/(1-X)

'Calculate the ratio of Rs/R0

TempVue10RsR0 = Rs/R0

'Convert the resistance ratio to temperature in Deg Celsius

PRTCalc

(TempVue10T_C,1,TempVue10RsR0,1,1,Cal_Offset)

'Call Data Tables and Store Data

CallTable

Hourly

NextScan

EndProg

TempVue 10 PT-100 Class A, Precision Air Temperature Sensor

Содержание TempVue 10

Страница 2: ...g 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 measu...

Страница 3: ...al l When 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 l Although rugged the TempVue 10 sh...

Страница 4: ...about any discrepancies l The calibration certificate shipped with each TempVue 10 includes the device under test DUT calibration offset see Figure 3 1 p 2 This value is unique for each sensor Cross c...

Страница 5: ...rature Extension cable ordered as an option 1 Connects the sensor to the data logger Quick deploy guide 1 Provides siting mounting and wiring information Shield extender 1 Allows sensor to be housed i...

Страница 6: ...ut 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...

Страница 7: ...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 Tem...

Страница 8: ...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 se...

Страница 9: ...40 to 40 C When exposed to environments with high wind sun or precipitation levels the TempVue 10 must be housed in a radiation shield such as the RAD06 6 plate shield Figure 5 1 TempVue 10 with the...

Страница 10: ...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 connect...

Страница 11: ...preferred wiring choice as this provides the highest measurement accuracy and ensures the best quality signal All TempVue 10 sensors have been calibrated using a 4 wire configuration Where possible C...

Страница 12: ...CR6 U terminal configured for voltage excitation1 Black Excitation reference analog ground Clear Shield G earth ground 1U terminals are automatically configured by the measurement instruction The whit...

Страница 13: ...iles 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 i...

Страница 14: ...1 2 BrHalf The BrHalf CRBasic instruction is used to measure the 2 wire configuration It applies an excitation voltage delays a specified amount of time and then makes a single ended voltage measurem...

Страница 15: ...7 3 Siting The TempVue 10 is intended for air temperature measurements only The general EPA guidance for standard meteorological stations is to locate the sensor over an open level area at least 9 m 2...

Страница 16: ...hat offers improved sensor protection from insect intrusion and driving rain and snow In addition compared to shields of a similar appearance the RAD shields have lower self heating in bright sunlight...

Страница 17: ...loosen the nut on the entry gland at the bottom of the shield 3 Insert the sensor into the gland 4 If using an unventilated shield first tighten by hand the nut on the radiation shield gland until th...

Страница 18: ...Attach the radiation shield to the tripod mast crossarm or tower leg using the supplied U bolt or band clamp See Figure 7 2 p 16 2 Connect the cable to the sensor 3 Route the cable to the data logger...

Страница 19: ...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 17...

Страница 20: ...brations require a returned material authorization RMA and completion of the Statement of Product Cleanliness and Decontamination form Refer to the Assistance page at the end of this manual for more i...

Страница 21: ...d Measurements made using 2 wire configurations may have higher error especially if the program and DUT offset are based on a 4 wire configuration Please refer to 2 wire configuration p 10 for more in...

Страница 22: ...ologist 1985 Publication of the American Association of State Climatologists Heights and Exposure Standards for Sensors on Automated Weather Stations v 9 No 4 October 1985 www stateclimate org publica...

Страница 23: ...TE Once the file is edited with CRBasic Editor Short Cut can no longer be used to edit the program 2 To add the Short Cut wiring information into the new CRBasic program open the DEF file located in t...

Страница 24: ...2 p 24 uses the 2 wire configuration to measure the TempVue 10 The 2 wire configuration uses fewer terminals but the 4 wire configuration provides more accurate measurements The following table provid...

Страница 25: ...Units BattV Volts Units PTemp_C Deg C Units TempVUE10T_C Deg C Define Data Tables DataTable Hourly True 1 DataInterval 0 60 Min 10 Sample 1 TempVUE10T_C FP2 Average 1 TempVUE10T_C FP2 False Maximum 1...

Страница 26: ...s NOT the DUT offset value on the calibration certificate That calibration is only valid for the recommended 4 wire configuration This offset value should be determined by the user from a calibration...

Страница 27: ...Scan Scan 1 Sec 1 0 Battery Voltage measurement BattV Battery BattV Wiring Panel Temperature measurement PTemp_C PanelTemp PTemp_C 60 Measure the Tempvue 10 resistance BrHalf X 1 mV200C 1 Vx1 1 2500 T...

Страница 28: ...ther 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 informat...

Страница 29: ...ion 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...

Страница 30: ...rohibit climbing by other persons Take reasonable precautions to secure tripod and tower sites from trespassers l Use only manufacturer recommended parts materials and tools Utility and Electrical l Y...

Страница 31: ...nfo campbellsci fr www campbellsci fr Germany Location Phone Email Website Bremen Germany 49 0 421 460974 0 info campbellsci de www campbellsci de India Location Phone Email Website New Delhi DL India...

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