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Operating Instructions

Landcal Blackbody Source

Type P80P

Page 13

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Summary of Contents for P80P

Page 1: ... 417691 Facsimile 01246 410585 Email infrared sales landinst com Land Infrared 2001 Land Infrared 10 Friends Lane Newtown PA 18940 1804 U S A Telephone 215 504 8000 Facsimile 215 504 0879 Email irsales landinstruments net Publication Nº PP970311 Part Nº 198 031 Issue B 0801 Operating Instructions Landcal Blackbody Source Type P80P ...

Page 2: ...7 Nº 5020 Frame or chassis terminal IEC 417 Nº 5021 Equipotentiality IEC 417 Nº 5007 On Supply IEC 417 Nº 5008 Off Supply IEC 417 Nº 5172 Equipment protected throughout by double insu lationorreinforcedinsulation equivalenttoClass II of IEC 536 ISO 3864 Nº B 3 6 Caution risk of electric shock ISO 3864 Nº B 3 1 Caution BS EN 100015 Observe precautions for handling electrostatic discharge sensitive ...

Page 3: ...atinumresistancethermometer ifsupplied 6 6 3 Operationofthesourceatbelowambienttemperature 6 7 0 CALIBRATIONOFRADIATIONTHERMOMETERS 7 7 1 Preparation 7 7 2 Thermometercalibration 7 7 3 Accuracyofcalibration 7 7 4 Calibrationprocedures 8 8 0 MAINTENANCE 9 8 1 Incorrectoperation failure 9 8 2 NAMAScertification 9 8 3 Storageandtransportationcase 9 9 0 EUROTHERM2216OR2416TEMPERATURECONTROLLER 10 9 1 ...

Page 4: ...Operating Instructions Landcal Blackbody Source Type P80P Page 17 ...

Page 5: ...an be supplied The relationship between the indicated temperature on the controller and the radiance temperature as measured by a secondary standard radiation thermometer is reported ii The temperature of the source can be measured by using a radiation thermometer of traceable calibration This method of calibration can be described as calibration by comparison with a standard radiation thermometer...

Page 6: ...d at 120 to increase the emissivity value The cavity is heated or cooled using Peltier elements The temperature is controlled by a platinum resistance thermometer connected to a 3 term digital controller having a 0 1 C or 0 1 F resolution An optional standard platinum resistance thermometer possessing a traceable UKAS United Kingdom Accreditation Service Certificate is inserted into the cavity fro...

Page 7: ...00mm 2 5in Emissivity 0 995 Controller Type Eurotherm 2216 or 2416 with RS 232 serial interface Input Resistance thermometer Measuring sensor Type Platinum Resistance Thermometer UKAS certified if supplied Length 450mm 17 7in plus 2m 78 7in cable Diameter 6mm outer diameter inconel sheath Uncertainty 0 1 C at 50 C Part Nº 135 142 Electrical supply 220 240V a c 50 to 60 Hz Part No 135 181 110 120V ...

Page 8: ...s an IEC style connector on one end that mates to an interated power entry module The colour code for the cable is Brown lead Live Blue lead Neutral Green Yellowlead Earth The source may be connected directly to a 5 amp fused plug and socket The wiring diagram of the P80P is given in Fig 2 Fig 2 Wiring diagram for the Landcal Blackbody Source Type P80P CA970219 ...

Page 9: ...e operated at any temperature in the range 10 C 15 F to 80 C 175 F Set the controller to the required value as follows i When the source is switched on the fluorescent indicator panel displays the measured value upper display and the set point value lower display ii To raise or lower the setpoint value depress the respective up down button After a short delay the setpoint will change in the requir...

Page 10: ...l voltmeter having a resolution of 0 1 C This is the recommended way to obtain the true temperature of the target cavity The temperature indication on the controller should not be used as an accurate measurement of target cavity temperature 6 3 Operation of the source at below ambient temperature TheLANDCALBlackbodySourcetypeP80PusesPeltiermodulestocoolthesourcetotemperaturesaslowas 10 C 15 F Howe...

Page 11: ...entupon i Theuncertaintyofcalibrationandresolutionofthemeasuringresistancethermometer ii Theemissivityofthesource iii Theresolutionoftheradiationthermometerundertest iv Thetemperaturegradientspresentinthesource Theuncertaintyoftheresistancethermometer specifiedonthecalibrationcertificateissuedbythecalibrationlaboratory willbeafunctionof i Thecalibrationlaboratoriescapabilities ii Thetypeofresistan...

Page 12: ...nt to follow documented step by step procedures to ensure that specified calibration conditions such as calibration distance furnace temperature and aperture size are always met If difficulty is experienced in writing procedures LAND Infrared would be pleased to offer guidance as to what calibration conditions should be adopted for LAND products ...

Page 13: ... calibration checks which are traceable to National Standards it will be necessary to obtain a Certificate of Calibration Depending on useage and the method of calibration employed the Platinum resistance thermometer and or the P80P source and or the standard radiation thermometer should be returned to LAND every 1 to 3 years for recertification UKAS Certificates of Calibration are available from ...

Page 14: ...ey allows access to the parameters within a list A single press displays the temperature units further presses reveal the parameters in the current list indicated in the Navigation Diagram Some parameters are display only others may be altered by the operator To return to the Home list at any time press the Page and Scroll keys simultaneously or wait for 45 seconds The Up and Down keys are used to...

Page 15: ...e without correct calculation the furnace elements or wiring could burn out iv To alter the value the Down or Up key Do not set the value to zero this will prevent the furnace from heating 9 5 C to F conversion To change the controller from C to F operation proceed as follows i Depress both the Up and Down keys whilst turning on the instrument switch until the controller displays ConF ii Use the U...

Page 16: ...6 Altering the communication address i Press the page key until cmS is displayed ii Press the scroll key until Addr address is displayed iii To alter the value press the up or down key The display returns to the measured temperature when no key is pressed for 45 seconds ...

Page 17: ...Operating Instructions Landcal Blackbody Source Type P80P Page 13 ...

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