User Manual
Contents
1. 26 Connection 25 Connection for display devices 24 Connection 24 Connector assignment 24 Contact thermometer 23 COB I O PEE 22 Cooling jacket 26 27 C ODVrIGHL Z rar rear 30 D DA 4000 DA 6000 24 Dimensions 25 DIlGCECUETOFIE 24 Display 24 Distance err rr tek tEh 19 E Electrical accessories 29 Electrical installation 24 Emissivities of common materials 23 EImISSIVILU ceste acc n ID UO 22 Equipment directory 18 22 Faulty 28 Flange tube ann 28 Further Information 30 G Glossaren n n ms a Wa a ug aa 13 32 L Maintenance Materials Mechanical accessories Mechanical installation P Packing instructions Power consumption R2. u aaa eS 33 17 Congratulations on choosing the IMPAC pyrometer You are now the owner of compact infrared non contact thermometer which combines efficiency and excel lence for optimal temperature measurements Please read this manual carefully before installing this pyrometer It contains all the necessary information to set up and operate the new IMPAC pyrometer Should you require further assistance please call our customer service hotline in Germany 49 0 69 9 73 73 190 IMPAC has been developing and manufacturing non contact temperature meas urement instruments since 1958 and has more than 60 000 pyrometers and sys tems installed worldwide IMPAC Electronic GmbH 1 Scope of delivery Pyrometer with optics IN 5 100 300 or 800 mm IN 5 5 100 300 or 1200 mm Please Note A connecting cable is not included with the instrument and should be ordered separately see 8 Order numbers Special features Infratherm IN 5 IN 5 5 Suitable for measuring objects with non metallic surfaces IN 5 and metals which are painted or oxi dised or glass surfaces IN 5 5 Measures temperature ranges between 32 and 900 C IN 5 between 100 and 2500 C IN 5 5 Two wire technique Analog output 4 20 mA Digital linearization guarantees accuracy up to 0 6 of the measured value Readings are unaffected by the relative humidity or the amount of CO in the air
3. Stainless steel housing Adjustable emissivity from 0 20 to 1 00 20 100 96 in 0 01 1 96 steps Adjustable response time from 0 08 to 5 sec Caution Do not clean the lens with liquids containing acids or solvents 3 Optics The pyrometer is available with various optical profiles Select the optics that are most appropriate for your application from the optical profiles shown below The optics must be chosen when ordering the instrument and cannot be changed once installed A pyrometer operates passively It receives heat radiation from the measured object which passes through the lens and is then converted to an electrical signal The measured object may be at any distance from the pyrometer However the farther the measured object is from the pyrometer the larger the area spot size that will be measured by the pyrometer The object or the area on the object that you want to measure has to be as big or bigger than the pyrometer s spot size for that distance The following drawings show the pyrometer s spot sizes minimum required sizes for the measured object and the focal distances in relation to the distance from the pyrometer The spot size at a distance of 0 mm 0 is 15 mm M 15 or 10 mm 10 at the IN5 5 MB 25 which is the diameter of the aperture behind the lens Distance a mm 0 100 200 300 u Z IN 5 Optics 100 J err 2 Spot size mm 15 18 35 Distance mm IN 5 Optics
4. 2 3 Set up examples for IN 5 IN 5 5 Adjust both switches EMI as shown in the example on the left Emissivity can be adjusted between 0 85 0 20 and 1 00 in steps of 0 01 Note If the emissivity is set to a value below 0 2 the instrument will automatically utilize an emissivity value of 1 The setting 00 is interpreted as 1 00 5 3 Response time too The response time too is the time interval from the start of measurement up to the respective change in the output signal 4 20 mA which is the time taken to reach 90 96 of the recorded temperature differ ence The response time is changed by adjusting the jumper position In the open position shown in the diagram on the left the response time is 0 08 s For alternative settings tso 0 5 s 1 s 2 s or 5 s select the respective jumper position see diagram on the right Longer response times are useful when measuring objects with fluctuating temperatures EMI 100 sel lo 00 LS Example too 0 08 Example too 0 5 Settings at delivery 1 too 0 08 23 6 Electrical installation The Infratherm IN 5 and IN 5 5 is powered by 24 V DC 10 to 30 V DC When connecting the device to the power supply ensure correct polarity The power consumption in this case 4 20 mA is also the measuring signal To meet the electromagnetic requirements EMV a shielded connecting cable must be used The shield
5. 3 869 020 0 to 200 C 3 869 120 200 to 800 C 3 869 030 0 to 300 C 3 869 130 100 to 1300 C 3 869 040 0 to 400 C 3 869 140 400 to 2500 3 869 050 0 to 500 3 869 090 0 to 900 C 3 869 100 32 to 50 C Custom ranges available upon on request The optics must be specified when ordering IN5 100 300 or 800 mm IN 5 5 a 100 300 or 1200 mm Note The length of the measuring area does not affect the accuracy of the pyrometer but does affect the resolution of analog output 2880 steps the range 4 20 mA 8 1 Ordering example for IN 5 3 869 040 IN 5 Temperature range 0 to 400 C Optics a 300 mm 3 820 560 Connecting cable 5 m length 28 8 2 Accessories 8 2 1 Mechanical accessories Order No Accessory 3 834 210 Mounting bracket adjustable 3 835 160 Air purge Water cooling system combination 3 837 080 Standard water cooling jacket for ambient temperatures up to 170 C 3 846 100 Mounting tube 3 835 080 Mounting angle 3 835 070 Connecting flange 3 835 160 Air purge 3 835 090 mounting socket 3 835 110 Rear wall for cooling jacket 3 837 230 Water cooling jacket heavy duty with integrated air purge for ambient temperatures up to 280 C 3 846 120 Flange tube 3 846 620 Vacuum flange KF16 with CaF gt window for IN 5 5 3 846 630 Vacuum flange KF16 with ZnSe window for IN 5 3 846 650 Spare window CaF2 25x3 with Viton O ring 3 846 660 Spare wi
6. If the cooling water is too cold condensation can build up inside the device which will prevent proper functioning of the pyrometer When using the pyrometer in very low ambient temperatures proper operation can be achieved by Note The maximum possible ambient temperature is dependant on the temperature and flow using heated throughput water Note on air purge The required airflow rate is approximately 25 30 I min 1 5 1 8 m h at approx 0 2 0 5 bar Please use clean dry air oil and dust free only 600 2 circa 100 7 5 Mounting tube The mounting tube protects the lens of the pyrometer from dirt There is also an 8 mm diameter wm connector Te plastic protection Air connector 8 mm 600 un circa 100 7 6 Flange tube The flange tube is a mounting tube with a weldable flange plastic protection cap Air connector 8 mm Note on mounting tube The air volume required for the mounting tube is approximately 50 60 l min 3 0 3 6 m3 h at approx 0 4 1 bar 27 7 7 Vacuum vacuum separates the Window material pyrometer from the process area The pyrometer can be easily IN5 removed without an interruption ZnSe to the process furnace or vac Transmission uum 71 decrease in radiation due to the window s transmission can be N 5 5 compensated by reducing the gt pur setting by the appropri KF
7. Reading errors Response time S Safety warning Scope of delivery Set up examples Settings at delivery Shielding Signale Spot size Switches Switches T Technical data Technology Transmission Two wire principle V Vacuum flange Warranty Water cooling jacket Wavelength 33 IMPAC Electronic GmbH Temperaturmessger te Krifteler Str 32 D 60326 Frankfurt Main Tel 49 0 69 9 73 73 0 Fax 49 0 69 9 73 73 167 Internet www ir impac com E Mail info ir impac com 3 869 018 B
8. li One way to determine an accurate emissivity value for a material is to make a comparison measurement This can be done as follows 22 B tasa d 8 sf Hg 1 Measure the surface temperature of the object using a contact thermometer e g Tastotherm MP2000 with a suitable probe and at the same time measure the temperature using the pyrometer Adjust the emissivity control until the pyrometer displays the same temperature as the thermometer 2 If possible coat a portion of the object with dull black paint or carbon soot Paint and carbon soot have high emissivities 0 95 and take on the same temperature as the object Measure the temperature of the painted area with the emissivity control set to 95 Then measure the temperature of an adjacent un painted area of the object and adjust the emissivity until the pyrometer displays the same temperature 5 2 2 Emissivities of common materials Object at 8to 14 um Object at 8to 14 um Black body furnace 1 00 Brickwork Human skin 0 98 Fire clay Black dull varnish 0 95 Rubber Carbon soot 0 95 Porcelain 0 85 0 95 Wood 0 8 0 92 Ceramics Paper 0 92 0 95 Varnish Asphalt 0 85 Plaster Glass Quartz glass 0 72 0 87 Oil paint Textile 0 75 0 95 Steel oxidized 0 6 0 8 Graphite 0 75 0 92 Steel smooth 0 1 0 3 Cement 0 9 Aluminium smooth 0 02 0 15 Water 0 95 Aluminium anodized 0 9 Object at 5 14 um Glass Quartz glass 0 97 5
9. 16 Vacuum flange KF 16 RUE Feinster Pyrometer 7 8 Avoiding reading errors caused by faulty assembly To avoid reading errors please note the following points when mounting the pyrometer 1 The diameter of the measuring object cannot be smaller than the pyrometer s spot size see 3 Optics 2 A source of radiation behind or around the measuring object can influence the result If the object is transparent or partly transparent another material behind the object could transmit its radiation to the py rometer as well In this case the location of the pyrometer should be changed or if the background ra diation remains constant it can be compensated for by changing the emissivity setting respectively 3 Please take into account that radiation from other hot parts around the measured object can be reflected by it and influence the result If the measured object has a low emissivity the temperature measured will be mainly that of the reflected object not from the intended measured object itself To prevent environ mental radiation from reaching the spot area a mounting tube should be used The mounting tube should be placed as near as possible to the measured object so that the tube s shadow blocks out all the environmental radiation 8 Order numbers for IN 5 or IN 5 5 instruments incl optics Order numbers IN 5 Messbereich Order numbers IN 5 5 Messbereich 8 to 14 um 5 14 um 3 869 010 to 100 3 869 110 100 to 600 C
10. 300 Spot size M mm Distance a mm IN 5 Optics 800 Spot size M mm Distance a mm 0 100 200 300 IN 5 5 Optics 100 DEE er el Spot size M mm 15 10 25 18 13 35 24 N 1000 Distance a mm 0 300 600 IN 5 5 300 Spot size mm 15 10 i 22 17 45 B2 s 2500 POPE Distance mm 1200 IN 5 5 Optics 1200 Spot size M mm 50 43 80 65 25 at the IN 5 5 Please note that the optical profiles show nominal dimensions The spot size diameter or the focal distance may be slightly different due to ens tolerances 19 optical profiles show that the spot size M varies with the distance from the pyrometer Spot sizes for intermediate distances that are not shown on the optical profiles may be calculated using the following formula where D 15 mm 10 mm IN 5 5 MB 25 the aperture diameter a the nominal distance from the optical profiles M the nominal spot size from the optical profiles 2 M 21 M D D ay 4 Technology 4 1 Technical description All objects whose temperature are above absolute zero 273 15 C 459 67 F emit heat Most of this heat is emitted as infrared IR radiation IMPAC pyrometers are measuring instruments which receive heat radiation through the optics and focus it on a detector The detector converts it into an electric signal This signal is digitally line
11. ack carbon in powder form residue of incomplete burning of organic sub stances has very high emissivity The wavelength range within the electromagnetic spectrum used by the pyrome ter Measuring device which determines the radiation intensity in relation to the wave length Area on the object from which the pyrometer receives the temperature radiation Corresponds to the average molecular velocity inside the material measured in Kelvin Celsius or Fahrenheit K C 273 15 C 0 555 F 32 F 1 8 32 Certificate stating the accuracy of measuring device in relation to known stan dards Property of electromagnetic waves corresponding to the color of light for the visible part of the electromagnetic radiation Special glass plate for protection of the pyrometer against hazardous materials which allows the pyrometer to measure a process through the window 11 Subject index A ACCESSOMN OSS LO uu amun pulpa apupa Pre 29 ACCUrACY 21 Air connector 26 27 Aiftlowrale nasser 27 All DUI Qs ernennen erregen 26 27 Ambient temperature 26 27 Aperture 1 ttr t teet ertet 19 Assembly faulty 28 B Black body radiator 22 C Connecting Cable 18 22 Connecting flange
12. arized and converted into a standard analog output signal For best accuracy the correct optical filter with the appropriate spectral range must be selected for the the type of material that is being measured For example select the IN 5 with the 8 to 14 um spectral range for measuring non metallic surfaces or the IN 5 5 with the narrow 5 14 um nominal bandwidth for measuring glass surfaces An integrated micro controller performs all calculations and digital processing 20 4 2 Technical data Temperature ranges Data handling Spectral response Optics IR detector Power supply Analog output Load Emissivity Response time too Accuracy Dependent on object tempera ture T and ambient tempera ture Tu 1 too 1 sec IN 5 0 to 100 0 to 200 0 to 300 0 to 400 0 to 500 0 to 900 3210 50 100 to 600 200 to 800 100 to 1300 C 400 to 2500 custom temperature ranges for either instrument are available request IN 5 5 Digital 5 80 14 um for all general applications on non metallic surfa ces and metals which are painted or oxidised IN 5 5 5 14 um narrow band for glass surfaces IN 5 Germanium Ge Lens IN 5 5 Zinc Sulfide ZnS Lens Silicon Si based thermopile 24 V DC 10 to 30V ripple must be less than 0 5 V 4 20 mA direct current linear resolution 2880 steps max 700 Q at 24 V ma
13. eara 25 7 1 Davice dimensions IN 5 IN Bu a n m u unuman ulla 25 7 2 Adjustable mounting support with 2 axes 26 7 3 Water cooling jacket Air purge asr 26 7 4 Water cooling jacket heavy duty with integrated air 27 7 5 27 Z 6 Flange tube ohn eee ea 27 7 7 Vacuum llange 28 7 8 Avoiding reading errors caused by faulty 28 8 Order numbers for IN 5 und IN 5 5 instruments incl optics 28 8 1 Ordering example for IN 5 38 39 8 2 1 Mechanical accessories uuu A a DEn AEA AA AA AER 39 8 2 2 Electrical accessories 39 9 Further information 30 91 s sh Sa eA EASA AAS AAAS AMARA AAS I 30 9 2 u as OE 30 99 Warran um 30 9 4 Limitot Liability S umu n OS eA Rm dd 30 9 5 Copyright 30 31 11 Subject index
14. eful this layer can easily be rubbed off this will greatly affect the measuring results 9 2 Packing instructions To transport or store the instrument please use the original box or a box padded with sufficient shock absorbing material For storage in humid areas or shipment overseas the device should be placed in welded foil ideally along with silicon gel to protect it from humidity 9 3 Warranty All series 5 instruments from IMPAC Electronic GmbH have a warranty of two years from the invoice date This warranty covers manufacturing defects and faults which arise during operation only if they are the result of defects caused by IMPAC Electronic GmbH User induced faults are not covered with this warranty 9 4 Limit of Liability IMPAC Electronic GmbH is not liable for any damages that arise from the use of any examples or processes mentioned in this manual 9 4 Copyright All copyrights reserved This document may not be copied or published in part or whole without the prior written permission of IMPAC Electronic GmbH 30 10 Glossary Absolute zero Absorption Air purge Aperture Black body Black body furnace Calibration Certificate Contact thermometer Cooling jacket Detector Emissivity Infrared IR Instrument temperature compensation Interface Lens tolerance Limit switches Linearization Maximum measuring range limit 273 15 459 67 F lowest possible natural temperatu
15. h asa Am Ga poo Spezialist f r ber hrungslose Temperaturmessung User Manual Infratherm Pyrometer IN5 IN 5 5 Contika Hindhojen 82 8382 Hinnerup www contika dk lt 1 Scope of dellVery 18 2 Equipment directory Infratherm IN 5 IN 5 5 18 enini e E E 19 4 Technology A 20 4 1 Technical description 20 4 2 FEChNiCal data ae 21 5 Instrument settings 22 STI 22 5 2 Emissivity EMI sr Eee eee een 22 5 2 12 Explanatlonine Ba eto ED et tt ettet aet ettet 22 5 2 2 Emissivities of common materials a 23 5 2 3 Set up examples for IN 5 IN 5 5 a 23 5 9 2 sacs estes tetas in HG E Ra Ra Dd E 23 6 gt Electrical installation 24 6 1 Connector assignmernt senes nnn nnns 24 6 2 iDiSplay deviC6s eset EA 24 6 3 Connection schematic for display 24 6 4 Examples for the IN 5 with peripheral 25 Mechanical installation aaa aa a ea
16. ic immunity industry norm 5 Instrument settings 5 1 Controls The controls are located under the rear cover of the pyrometer and can be accessed by removing the rear cover To remove the rear cover unscrew both rear screws and take the cover off making sure it remains straight without bending or twisting it Caution Disconnect the cable before opening the cover Reconnect only when assembly is complete When reassembling the cover insert it carefully into the guide pins and then fasten it with the screws The connector cable can now be plugged in 5 2 Emissivity EMI 5 2 1 Explanation The temperature of a given object can only be measured correctly if its exact emissivity Epsilon is known and the pyrometer is set up accordingly The emissivity is the ratio between the level of radiation from an object and the level of radiation from a black body radiator at the same temperature Different materials have different emissivities ranging between 0 and 1 00 or 0 and 100 A value of 1 means that the material absorbs all incoming radiation acting like a black body a perfect absorber and perfect emitter Materials which reflect more radiation have a lower emissivity and the emissiv ity control of the pyrometer needs to be adjusted accordingly Emissivity values of common materials are listed in table 5 2 2 Emissivities of common materials li Note The minimum emissivity setting for the pyrometer is 0 20 20
17. n between pyrometer and com puter or bus Production determined spread of focal length and centering Relays that switch at predefined temperatures i e high low alarm located in the power supply or digital display A function of the signal processing performed by the microprocessor in a ter Establishes the proportionality between the measured temperature and the output signal Upper limit of the measuring range highest measurable temperature for the pyrometer 31 Minimum measuring range limit Measuring distance Measuring uncertainty Objective Pyrometer Rate of reflection Reflection Repeatability Soot Spectral range Spectrometer Spot size Temperature Test certificate Wavelength Window 32 Lower limit of the measuring range lowest measurable temperature for the pyrometer Distance between the measured object and the lens of the pyrometer Most probable deviation between displayed and true temperature Optical system which consists of lenses or mirrors and which forms the object s image on the detector of the pyrometer Instrument for non contact temperature measurement radiation thermometer Ratio of reflected intensity to incident intensity Return of radiation rays at the border between two materials may be directed or diffuse The uncertainty with which a measured value may be reproduced under constant conditions same instrument same environmental conditions bl
18. ndow ZnSe 25x3 with Viton O ring 8 2 2 Electrical Accessories Order No Accessory 3 820 210 Connection cable 2 m long 3 820 560 Connection cable 5 m long 3 820 570 Connection cable 10 m long 3 820 580 Connection cable 15 m long 3 820 590 Connection cable 30 m long 3 820 280 Connection cable 2 m long temperature resistant up to 200 Silicone 3 890 600 Power supply for DIN rail mounting 230 V AC into 24 V DC 3 890 960 Power supply for DIN rail mounting 115 V AC into 24 V DC 3 890 610 Galvanic separator for DIN rail mounting no extra power supply necessary 3 890 640 DA 4000 N LED Digital display with integrated 2 wire supply 3 890 650 DA 4000 like DA 4000 N but additionally with 2 limit switches 3 890 520 DA 6000 analog input and 2 limit switches RS 232 interface 3 890 530 DA 6000 analog input and 2 limit switches RS 485 interface 3 890 660 IP 65 front cover for LED digital display 3 863 010 Converter IW 5 C 4 20 mA into 0 20 mA 29 9 Further information 9 1 Maintenance The pyrometer has no internal parts which have to be cleaned The lens can be cleaned with compressed air which is dry and free of oil If the lens requires more thorough cleaning use a soft dry cloth such as that used to clean camera objectives I Caution Do not clean or touch the lens with acidic or solvent liquids The Ge lens of the IN 5 has an anti reflective coating which appears slightly colored Be extremely car
19. nsions IN 5 IN 5 5 Robust mounting accessories for installation of the Infratherm IN 5 or IN 5 5 are described and depicted in the following section along with the article numbers see also 8 2 1 Mechanical accessories 25 7 2 Adjustable mounting support with 2 axes The standard mounting support is made from stainless steel It can be independently adjusted in the horizontal or vertical directions 45 This mounting support cannot be used with the water cooling jacket Pyrometer Mounting support 7 3 Water cooling jacket standard Air purge The standard water cooling jacket is designed to protect the pyrome ter in hot environments with ambient temperatures above 70 C or 63 C at the IN 5 5 MB 25 With this cooling jacket the pyrometer may be operated at ambient temperatures to 170 C when using a cooling water temperature of 17 C anda cooling water flow rate of 0 4 l min The air purge protects the lens of the pyrometer against dust hu midity and other suspended matters by blowing air away from the lens in a cone shaped air stream Wall Mounting flange Connecting flange or mounting angle Rear wall optional Water cooling jacket Air purge or mounting socket Note Both parts are also available separately Mounting instructions Depending on intended use additional parts may necessary for proper a mounting flange with air purge or mounting
20. of the two wire connecting cable is usually only connected on the pyrometer side If the connecting cable is extended the extension cable also needs to be shielded Do not connect the shield to the power source side control cabinet to avoid ground loops 6 1 Connector assignment Pyrometer plug connector 3 pole Flange plug Pin1 white 24 V 10 V to 30 V Pin2 brown OV Pin3 black shield 6 2 Display devices To display the temperature IMPAC offers display devices with integrated power supplies for two wire pyrometers as accesso ries see 8 Order numbers e DA 4000 N display only e DA 4000 DA 4000 N with 2 limit switches e DA 6000 With 2 limit switches maximum value storage and 232 or RS 485 interface display device type DA 4000 6 3 Connection schematic for display devices The DA 4000 DA 4000 N and DA 6000 LED display devices have an integrated 24 V power supply for two wire instruments If an RS 232 interface is required then the DA 6000 display must be used LED digital display with integrated power supply recorder controller 24 6 3 1 Examples of the IN 5 with peripheral devices PLC gs dn PLC Separate current output e g to a computer Galvanic separator PLC Note Additional instruments with current input e g a recorder see 8 Order numbers or a controller can be connected to the display in series as shown above 7 Mechanical installation 7 1 Device dime
21. re No molecular activ ity occurs Transfer of energy to a material by means of wave radiation or particle radiation Reception of energy light heat gases or liquids Accessory to keep dust and dirt away from the optics Optical diameter of the stop of an objective A body that absorbs all incoming radiation at all wavelengths and that emits the maximum possible radiation at all wavelengths for its temperature has an emis sivity value of 1 at all wavelengths Radiates almost like an ideal black body Needed for calibrating and testing infrared pyrometers Comparison of the pyrometer to international temperature standards and adjust ment so that it measures accurately in accordance to the temperature standards Document on the conformity of the calibration accuracy Temperature measuring device which measures an object s temperature by contact for example thermocouples or resistance thermometers Accessory for using the pyrometer at high ambient temperatures Receptor for radiation Changes heat radiation into an electrical signal Ratio of the radiation emitted by a surface to that emitted by a black body at the same temperature Electromagnetic waves that are invisible and have longer wavelengths than red light in the visible spectrum Wavelengths between 0 78 and 1000 um Automatic compensation for the temperature change of the pyrometer due to a change in the ambient temperature RS 232 RS 485 digital output for communicatio
22. socket not in drawing and connecting flange or a mounting angle with air purge or mounting socket The air purge can also be used alone in connection with the pyrometer e The mounting flange can be used instead of the connecting flange or mounting angle the mounting angle can also be used instead of the mounting flange mounting e The water cooling jacket requires an attachment device such as e The rear cover with cable duct serves as an additional temperature protection 26 7 4 Water cooling jacket Air heavy duty with 8 mm integrated air purge B The heavy duty water cooling Water jacket protects the pyrometer extremely hot ambient tempera tures It is completely closed and is equipped with a long air purge 248 tube to protect the lens With the 5 heavy duty cooling jacket the 279 pyrometer may be operated at Water ambient temperatures up to 280 Mounting wall 8 mm aux when using a cooling water temperature of 14 and a cool H ing water flow rate of 2 l min Max water pressure is 6 bar I O g rate of the cooling water All maximum temperatures stated are for reference and need to be verified according to the specific conditions Ensure that the cooling water is at the correct temperature at all times
23. x 100 at 12 V user adjustable from 0 20 1 00 in steps of 0 01 user adjustable from 0 08 to 5 sec IN5 SR M 30 to 63 0 6 of measured value 1 of measured value in in C or 1 C or 1 5 1 3 of measured value in G 300 to 900 C 1 of measured value in C IN 5 5 ES 15 to 30 C to 15 C or 30 to 63 C 100 to 1300 0 6 of measured value 1 of measured value in in C or 2 or 3 1 8 300 to 1800 C 0 8 96 of measured value 1 2 of measured value in C in C 1800 to 2500 1 of measured value 1 4 of measured value in C in C whichever value is greater The instrument must be at a constant ambient tem perature for a minimum of 15 minutes 21 Repeatability IN 5 IN 5 5 0 3 96 of measured value in C or 0 6 _ whichever value is greater The instrument must be at a constant ambient temperature for a minimum of 15 minutes Noise Equivalent Temperature 9 2 K o 1 measured temperature 23 C too 80 ms and 1 NEID 0 05 1 measured temperature 23 1 1 sec and 1 Ambient temperature to 70 IN 5 5 MB 25 0 to 63 C Storage temperature 20 10 70 Enclosure rating IP 65 DIN 40050 Weight 400 g Dimensions 111 mm x 49 5 mm I x d Housing Stainless steel Operating position Any CE Approval EMV tests Satisfies EU regulations for electromagnet
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