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IRTS-P Precision Infrared

Temperature Sensor

Revision: 9/06

C o p y r i g h t © 2 0 0 2 - 2 0 0 6

C a m p b e l l S c i e n t i f i c , I n c .

A p o g e e I n s t r u m e n t s , I n c .

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Summary of Contents for IRTS-P

Page 1: ...IRTS P Precision Infrared Temperature Sensor Revision 9 06 C o p y r i g h t 2 0 0 2 2 0 0 6 C a m p b e l l S c i e n t i f i c I n c A p o g e e I n s t r u m e n t s I n c ...

Page 2: ...u of all other warranties expressed or implied including warranties of merchantability or fitness for a particular purpose CAMPBELL SCIENTIFIC INC is not liable for special indirect incidental or consequential damages Products may not be returned without prior authorization The following contact information is for US and International customers residing in countries served by Campbell Scientific I...

Page 3: ...ocument Use the Adobe Acrobat bookmarks tab for links to specific sections 1 General Description 1 2 Specifications 1 3 Installation 2 4 Wiring 3 5 Example Programs 3 6 Maintenance 11 Figures 3 1 IRTS P on UT018 Crossarm 2 3 2 Mounting IRTS P to UT018 Crossarm 2 Tables 5 1 Wiring for Example Programs 4 ...

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Page 5: ...emperature A separate type K thermocouple is used to measure the temperature of the sensor body The sensor body temperature is used to correct the target temperature for greater accuracy 2 Specifications Power Requirements None self powered Accuracy 0 3 C from 10 to 55 C 0 1 C when sensor body and target are at the same temperature Repeatability 0 05 C from 10 to 55 C Mass Less than 100 grams Dime...

Page 6: ...xtends beyond the field of view To obtain the desired view of the canopy or surface of interest the IRTS P is often mounted separately from a met station tower A hole threaded for a standard tripod camera mount screw 1 4 inch diameter 20 threads per inch can be used to mount the sensor to a user supplied support The IRTS P can be mounted to a Campbell Scientific tripod or tower with the UT018 Cros...

Page 7: ...cted The panel temperature is used as the reference for the CR23X CR1000 and CR5000 The module temperature is not an accurate measurement of the CR10X panel temperature a CR10XTCR is required to measure the reference temperature After measuring the thermocouple outputs the sensor body temperature is used to calculate correction coefficients that are then used to correct the target temperature All ...

Page 8: ...her measurements and outputs TABLE 5 1 Wiring for Example Programs Sensor Lead Description CR10X CR23X CR1000 CR10XTCR Reference Temp Not Used Not Used Black Excitation E3 Red Signal SE1 Clear Ground AG IRTS P Target Black Band Detector Temp Yellow TC 2H 1H 1H Red TC 2L 1L 1L IRTS P Body No Band Sensor Temp Yellow TC 3H 2H 2H Red TC 3L 2L 2L Bare wire Shield G CR10X Example Program CR10X Table 1 P...

Page 9: ... Range 3 3 DIFF Channel 4 3 Type K Chromel Alumel 5 1 Ref Temp Deg C Loc RefTemp 6 3 Loc SenBodyT 7 1 0 Mult 8 0 0 Offset Calculate P H K Coefficients 4 Polynomial P55 1 1 Reps 2 3 X Loc SenBodyT 3 4 F X Loc Psb 4 49 9092 C0 5 0 59237 C1 6 0 00558 C2 7 0 0 C3 8 0 0 C4 9 0 0 C5 5 Polynomial P55 1 1 Reps 2 3 X Loc SenBodyT 3 5 F X Loc Hsb 4 4 2828 C0 5 0 4248 C1 6 0 00077 C2 7 0 0 C3 8 0 0 C4 9 0 0 ...

Page 10: ...3 5 Z Loc Hsb 11 Z X Y P35 subtract Ksb 1 5 X Loc Hsb 2 6 Y Loc Ksb 3 6 Z Loc Ksb 12 Z X Y P36 calculate SEC 1 4 X Loc Psb 2 6 Y Loc Ksb 3 7 Z Loc SEC Calculate corrected target temperature CTT 13 Z X Y P35 1 2 X Loc AppTargT 2 7 Y Loc SEC 3 8 Z Loc CTT 14 If time is P92 1 0 Minutes Seconds into a 2 60 Interval same units as above 3 10 Set Output Flag High Flag 0 15 Real Time P77 1 1220 Year Day H...

Page 11: ... seconds Measure Panel Reference Temperature 1 Panel Temperature P17 1 1 Loc RefTemp Measure IRt c apparent target temperature 2 Thermocouple Temp DIFF P14 1 1 Reps 2 21 10 mV 60 Hz Reject Slow Range 3 1 DIFF Channel 4 3 Type K Chromel Alumel 5 1 Ref Temp Deg C Loc RefTemp 6 2 Loc AppTargT 7 1 0 Mult 8 0 0 Offset Measure Sensor Body Temp 3 Thermocouple Temp DIFF P14 1 1 Reps 2 21 10 mV 60 Hz Rejec...

Page 12: ...c Hsb 4 4 2828 C0 5 0 4248 C1 6 0 00077 C2 7 0 0 C3 8 0 0 C4 9 0 0 C5 6 Polynomial P55 1 1 Reps 2 3 X Loc SenBodyT 3 6 F X Loc Ksb 4 52 0705 C0 5 5 3816 C1 6 0 387 C2 7 0 0 C3 8 0 0 C4 9 0 0 C5 Calculate correction factor SEC 7 Z 1 X P42 1 Psb 1 4 X Loc Psb 2 4 Z Loc Psb 8 Z X F P37 25 Psb 1 4 X Loc Psb 2 0 25 F 3 4 Z Loc Psb 9 Z X Y P35 ATT Hsb 1 2 X Loc AppTargT 2 5 Y Loc Hsb 3 5 Z Loc Hsb 10 Z ...

Page 13: ...C 3 8 Z Loc CTT 14 If time is P92 1 0 Minutes Seconds into a 2 60 Interval same units as above 3 10 Set Output Flag High Flag 0 15 Real Time P77 1 1220 Year Day Hour Minute midnight 2400 16 Average P71 1 3 Reps 2 1 Loc RefTemp 17 Average P71 1 1 Reps 2 8 Loc CTT Table 2 Program 02 0 0000 Execution Interval seconds Table 3 Subroutines End Program Input Locations 1 RefTemp 1 3 1 2 AppTargT 1 2 1 3 S...

Page 14: ...sion Infrared Temperature Sensor measurements ATT_C and CTT_C Measure apparent target temperature with IRTS P TCDiff ATT_C 1 mV2_5C 1 TypeK PTemp_C True 0 _60Hz 1 0 Measure IRTS P sensor body temperature TCDiff SB 1 mV2_5C 2 TypeK PTemp_C True 0 _60Hz 1 0 Calculate Psb Hsb Ksb coefficients Psb 49 9092 0 59237 SB 0 00558 SB 2 Hsb 4 2828 0 4248 SB 0 00077 SB 2 Ksb 52 0705 5 3816 SB 0 387 SB 2 Calcul...

Page 15: ...rBodyT 0 00558 SensorBodyT 2 Hsb 4 2828 0 4248 SensorBodyT 0 00077 SensorBodyT 2 Ksb 52 0705 5 3816 SensorBodyT 0 387 SensorBodyT 2 SensorCorr 0 25 Psb TargetApparentT Hsb 2 Ksb TargetCorrT TargetApparentT SensorCorr CallTable Alldat NextScan EndProg 6 Maintenance As with any optical sensor it is important to keep the lens and view clean Otherwise the sensor will be measuring the temperature of th...

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Page 18: ...w campbellsci com br suporte campbellsci com br Campbell Scientific Canada Corp CSC 11564 149th Street NW Edmonton Alberta T5M 1W7 CANADA www campbellsci ca dataloggers campbellsci ca Campbell Scientific Ltd CSL Campbell Park 80 Hathern Road Shepshed Loughborough LE12 9GX UNITED KINGDOM www campbellsci co uk sales campbellsci co uk Campbell Scientific Ltd France Miniparc du Verger Bat H 1 rue de T...

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