Omega OSP SERIES manuel d'utilisation

http://w ww.omega.co m e-mail: info@omega.com OSP SERIES Portable IR thermometers[...]

2 OMEGAn et SM On-Lin e Ser v ic e http://www.omega. com Internet e- mail info@o mega.co m Ser vicin g Nor th Am erica : USA: ISO 9001 Certified One Omega Dri ve, Bo x 4047 Stamf ord, CT 06907- 0047 Tel: ( 203) 35 9-166 0 e-mail: inf o@omeg a.com FAX: ( 203) 359-77 00 Canada: 976 Berga r Lava l (Quebe c) H7L 5A 1 Tel: ( 514) 85 6-692 8 e-mail: inf [...]

3 INTRODUCTORY NOTE This user ’s guide c onta ins operat ing ins tructions , as wel l as a des criptio n of the princ iples of operati on, of the OSP Series porta ble IR ther mometer s. This in formati on covers all mod els of the ins trument, includi ng the basic equi pment and its o ptions and accessori es. This manua l is a complete “U SER G[...]

4 TABLE OF CONTENTS 1 GENER AL DESCRIPT ION ........................................................................................................... ........ 6 1.1 Instrument code s ............................................................................................................ ..................................7 1.2 Specificatio ns [...]

5 11 DATA ACQUI SITION O PER A T IV E M ODE ........................................................................................ 32 11.1 How to operate in data acquisiti on mode.................................................................................... .................... 32 11.2 Recall st ored data....................................[...]

6 1 GENERA L DESCRIPTION Portable infrared thermo meters measure surf ace te mperature w ithout to uching the surf ace. They collec t the infrared energy radiate d by a t arget and co mpute its surf ace tem perature. OMEGA OSP Series are portable infrar ed temperature d evice s designed to ease maint enance opera tions. They also enable the m onito[...]

7 1.1 Instrument codes To Order Model No. Temperature Range Spectral Response Target Spot S ize @ Distance * * D/S Optical Ratio OSP500-(*) –30 °C to +930 °C -20°F to +1706°F 8 to 14 µ m 10mm @ 600mm 0.39 @ 24” 60:1 OSP800-(*) –30 °C to +930 °C -20°F to +1610°F 8 to 14 µ m 10mm @ 600mm 0.39 @ 24” 60:1 OSP1000-(*) –30 °C to +100[...]

8 1.2 Specifications Target dimensions at differ ent distances Nominal target di ameter at 95% energy • Temperature measuring ranges: -30 to 2000°C (-22 to 3632°F) • Thermocouple measuring ranges : type K : -100°C to +1370°C (-148 to 2500°F) 0.1°C resolution type S : 0°C to +1760°C (-32 to 3200°F) 0.1°C resolution • Spectral respons[...]

9 2 GENERA L FEATURES 2.1 General Temperatur e measurem ents of a liqu id or gaseou s compound have been su ccessfu lly ma de with th ermoele ctric or expansion t hermom eters thank s to the good ther mal ex change of t he sen sor with th e fluid. With solid b odies a goo d thermal ex change is diffi cult to b e obtained and an a ddition al mea sur[...]

10 2.5 Keyboard Traditiona l metal-cl ick sw itches, with a w orking life of one mi llion o peration s, are u sed to enter the operator’ s instructions. The conta ct closure of the keyboar d keys is ac know ledged, as a coded signal, d irectly by the mi crocontr oller. 2.6 Display The high contrast customi sed alp hanumer ic LCD display i ndicat [...]

11 In this case the instrumen t ca n be powered d irectly from mains using the ex ternal pow er supply mod ule sup plied w ith the thermometer. 2.11 Logging Mode The instr ument can b e equip ped with a n intern al memory to store up to 50 0 input data. Two ty pes of data acqu isitio ns can be select ed by t he user. Continuous acquisitio n The ope[...]

12 3 PHYSICA L DESCRIPTION OSP portable IR t hermometers cons ist of a r ugged, co mpact an d self-extingu ishing case ergonomica lly desig ned for an easy practi cal u se. The instrume nt can be supplied eit her with a v iny l protect ive case w ith shoulder strap or w ith an aluminum c ase to assure better protecti on against me chanical kno cks [...]

13 4 FUNCTION AL DESCRIPTION OSP series in frared port able thermo meters block diagram is show n below: Measur ing ob j ect Emitted IR en ergy Optical sy stem Filter Detector Amplifier A/D conver ter Micro - contr oller LCD displa y Tc Auxiliary input Keyboard Digital interface Analog Output • Optical sy stem • Filter • Detector • Amplifie[...]

14 4.3 Microcontroller The micr ocontroller handle s all th e logic fun ctions of the instru ment, p erforms the lin earization f or non linear transducer s, compensate s for the referenc e junct ion temperat ure, driv es the digi tal di splay and acknow ledges a ll the o perator’ s instruct ions. The core o f the circu it is a single-ch ip micr [...]

15 5 UNP ACKING Remove th e instrumen t from its packin g case and rem ove any s hipping ties, cla mps, or pac king ma terial s. Carefully foll ow any instructi on given o n any at tached tag s. Inspect t he instrum ent from scratc hes, de nts, damag es to c ase cor ners etc . which may have o ccurred during shi pment. If any mech anical damage is [...]

16 6 PRE-OPERATIONAL CHECK OSP series portab le therm ometers are powered ei ther by four alkali ne or by Ni-MH rechargeable batteries (o ptional). The ex ternal battery charger, supp lied a s a stan dard , is s et for 115V ac pow er source. Before using th e instr ument c arefully v erify the no minal v oltage va lue of th e charger with the avail[...]

17 7 POWER SUPPLY The instr ument may be pow ered by al kaline or rechargeab le batter ies or d irectly fro m the main line. OSP uses 4 batteries type AA that ar e locat ed ins ide the bas e of the h andle. 7.1 Rechargeable b atteries The rechar geable batter ies are shipped w ith an average level of charg e. After unpac king, a full charg e of the[...]

18 8 WARNINGS & CAUTIONS 8.1 Laser Sight You may rece ive har mful la ser radia tion ex posure if y ou do not ad here to th e warning s liste d below : • USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER TH AN THOSE SPECIFIED HERE MAY RESULT IN HAZARDOUS RADIATION EXPOSURE. • DO NOT LOOK AT THE LASER BEAM COMING OUT OF THE L[...]

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20 9 OPERA TIONS OSP series portab le infrar ed therm ometers are f actory calibrated before s hipment . During the start-up th e operator shoul d only sel ect and load, if require d, the per tinent applicat ion paramet er as describe d in the follow ing paragraphs. Before enter ing the pr ocedure to o perate th e instru ment it is useful the under[...]

21 °C e °C e e °C e °C e °C e °C followed, a fter few seconds, by one of the main operativ e disp lay page s. The disp layed page w ill be the same a s when the instrument w as switched Off e °C e °C e °C Loc k e °C Loc k e e °C e °C Loc k e °C Loc k e °C Loc k • Press the < SEL > key to select t he requir ed page. • Press t[...]

22 In measur ing mo de, press th e < * > key to enable ( disabl e) the laser spot. After one seco nd the m essage “LAS EN” (“LAS DIS”) will be d isplay ed. When enabled, the la ser can be turn o n by press ing the < Tr igger > butt on for mor e than 1 sec ond; a flashing emi ssion indicator symbol “* ” will appear on the low[...]

23 " In measur ing mode, press th e < Sel > key until th e follow ing page w ill app ear: e e °C The disp lay indic ates the actual te mperature v alue t ogether w ith the te chnical u nit sy mbol, the programmed emissivity value a nd the av eraged t emperature v alue. " At this stage press < ENTER > key to enable the average[...]

24 e °C • Press the < SEL > key to o btain the follow ing page that enables the High Alarm s etting e °C HAL • Repeat the setting procedur e used for th e low alarm setting If required the H igh Alarm can be excluded setting the hig h alarm level abov e the fu ll sc ale temperat ure val ue where the message -Off- w ill appear. e °C An [...]

25 e °C Loc k e °C Loc k • When select ed the required type of thermo couple press t he < SEL > key to obtain the following page show ing simultaneo usly b oth the actu al IR tem perature a nd the te mperatur e measured w ith the thermocoupl e. e °C Loc k If the measur ing ther mocouple is not c onnect ed or is brok en, the display w ill[...]

26 9.9 A utomatic Emissiv ity Setting This fun ction is u sed to mak e an aut omatic settin g of emi ssivity using an ex ternal thermoc ouple connect ed with the auxiliary input. • If necessary, enabl e the thermo couple input ( see par. 9. 2) and sele ct the t hermocoupl e type ( see par. 8.6) • Press the < ▲ > or < ▼ > key unt[...]

27 10 CONFIGURATION The operat ive config uration o f the un it can be c hanged using t he below indicat ed proce dure. • Switch the instrum ent - Off - • Keep the < ENTER > key presse d and pr ess the < Trigger > pus h butt on until the instru ment displays the indicat ion relevant w ith the t echnic al unit select ion. 10.1 Techni[...]

28 • Press the < SEL > key to select the n ew confi guration step or p ress th e < Trigger> key to switch th e instru ment -O ff-. The new selection will be automatica lly memory store d. 10.4 Date & Real T ime clock setting The tw o following pa ges all ow respe ctively da te and re al time upd ating . • Press the < SEL >[...]

29 10.6 Buzzer On/Off If the A larms opti on is inst alled, it i s possibl e to sw itch the b uzzer on or off. This page a llows the set-up of the a coustic signal. e Set °C Loc k e Set °C Loc k When t he “Buzz er” i s sw itched -O ff- the alarm cond itions w ill be announced o nly w ith the relev ant - HA L - or - LAL - message on the di spl[...]

30 e Set °C e Set °C • Press the < ▲ > or < ▼ > key to enab le (or to d isable ) the ther mocoup le aux iliary inpu t operation. e Set °C • With the compensati on func tion activ ated, pre ss < ENTER > to beg in the measure ments in ord er to calcu late the ambient tem perature av erage val ue. Point OSP tow ards objec [...]

31 10.11 Battery level of charge • Press the < SEL > key unt il the following p age is di splay ed : e Se t °C Loc k e +- Set °C Loc k e Set °C Loc k The above pa ges ind icate the s tatus o f power su pply and th e leve l of char ge of the battery. When a volta ge low er than 4.6V i s prese nt a low battery symb ol is also d isplayed. I[...]

32 11 DATA ACQUISITION OPERA TIVE MODE When the o ptional ac cessory of the in strument is sp ecifie d (Internal dat a memory + RS232 adapter + LogMan so ftware) the instrume nt is eq uipped w ith an i nternal mem ory to st ore up to 50 0 input data records. Tw o types of data acquisit ions can be sele cted by the user. Continuous acquisitio n The [...]

33 • Press the < MEM > k ey to start t he acqu isition. If automatic acqui sition mod e is s et, OSP acquires aut omatica lly w ith the pro grammed ti me interval. If MAN ual mode is set, the real time t emperature measure ment is di splayed; press the < MEM > key to store the displayed v alue. If M AX or MIN mode i s set, the m aximu[...]

34 e Log °C Loc k e Log °C Loc k e Log °C Loc k 11.2 Recall stored dat a • Switch off the OSP thermometer. • Keeping pressed the < SEL > key, pres s the < Tri gger > key to obta in the follow ing indication : e Log °C Loc k • Press the < ▲ > or < ▼ > key to select the requ ired Tag identific ation code (Tag 0 o[...]

35 12 LOGGING DA T A MANA GER LogMan softw are allows OSP series users t o set and pr epare infrared thermo meters to acquir e the data organized by ‘Tag’. This sof tware also allow s to dow nload data fr om Ins trument on d ocumen t (table) w ith date, time and v alue. Y ou can v iew table, save table, pr int tabl e, ex port table in ex cel-tx[...]

36 These menu are subd ivided in: File New, O pen, Save, Print men u. New Creates a new document. Open Opens an ex isting do cument . Options Set Commun ication port, tex t language and sync hronize clock Exit Exits fro m Logman. Help Help menu. Index Offers you a n index about topic s on w hich you c an get he lp. About Display s the versi on numb[...]

37 12.2.1 Toolbars Additional too l bars menu ap pear when t he data view window or the graph v iew w indow is selected. Fig. 11.2a: Data view too lbar Fig. 11.2b: G raph vi ew toolbar The follow ing butto ns are disp layed on the to olbars. View graph on actu al data window Pressing thi s button a new w indow, contai ning th e graph of the act ive[...]

38 Copy into an open fil e Use this comma nd to co py select ed data onto an opened f ile. It will app ear a li st of curr ent opened f iles to be select ed. This co mmand is unavai lable if there are no data curr ently selected. Move into a ne w file Use this comma nd to move selected data onto a ne w file. This co mmand is unavai lable if there a[...]

39 " Select < OK > button to s ave the pref erence setting in t he PC M emory. " From the pr eference me nu you can also set the h eader an d footer line as y ou need f or later pr inted report. " Save model (Sav e as …) w ith extens ion .LMM . " Now connect the in strument w ith the communic ation cabl e and turn it on.[...]

40 e Log °C Loc k • Press the < ENTER > key t o clear the memory content and to o btain the fo llowing messa ge that re quire c onfirmat ion : e Log °C Loc k • Press the < ENTER > key t o confir m the canc ellatio n request an d to obt ain the f ollow ing mess age : e Log °C Lock • Press the < SEL > key to obtai n the fo [...]

41 Now y ou can save data on disk usin g name w ith ex tension LM D (for e x ample TODA Y.LMM ).[...]

42 13 OPTIONS & A CCESSORIES 13.1 Printer operations " Connect a co mpatibl e printer to OSP and sw itch the ther mometer on. e °C Loc k " Press the < MEM > key to obtain the follow ing indi cation: e °C Loc k " Press the < ENT > key to print th e Date, T i me and measur ed value a s follow s: Date : 18/ 02/98 Time [...]

43 2 Remove the el evation an d the w indage adj ustment caps. 3 Switch on the tw o pinpoin ting la sers and ai m them to a targ et placed at a distance equal to the w orking di stance. 4 The aiming mus t be carried out by keeping the eyepiece at a distance of about 80 cm from the ey e. 5 Operating on the two adju stments (el evation and w indage),[...]

44 4 Screw up the polariz ed filter with the inserted optica l filter plac ed on t he front side of the sighti ng dev ice CAUTION I F Y OUR OSP UNI T IS EQUIPPED WITH TELESCOPE OR " RED POINT " PINPOINTING SYSTEM , NEVER AIM OSP DIRECTLY AT THE SUN , AS EYE DAMAGE COULD RESULT .[...]

45 1 4 AP P L I C ATI O N N O T E S 14.1 Infrared energy Each body , at temperature s abov e the absolu te zero (-273°C or 0K), emits energy in th e form of ele ctromagneti c radiation. As the tempera ture of th e body rise s, the i ntensity of this infrared energy incre ases. The temper ature of t his partic ular body c an theref ore be de termin[...]

46 15 DIGIT AL INTERFACE The OSP portable IR ther mometer can be equi pped w ith a digit al interface . The interface circui t is esse ntially based on the seria l com municatio n interfa ce subsy stem (SCI) o n the ch ip of the microco ntroller. The output v oltage levels are T TL at 0 to +5 V. An optiona l ad apter to conv ert the vol tage lev el[...]

47 + IBM 3 2 7 D B 2 5 IBM - PC + 5 V 10 µF, 16 V 10 µF, 16 V 10 µF, 16 V + 15 8 Rx Tx Ground IBM IBM Tx Rx 6 2 16 10 11 12 14 13 1 3 4 5 + + 10 µF, 16 V 10 µF, 16 V ICL 232 TSC 232 Tx Rx + 5 V Mini-Din TTL to RS 232 converter 15.3 Communication protocol The ex change of infor mation when a OSP is interconne cted w ith a PC is a s it follow s.[...]

48 Rea din g va lues $00 - Pyrometer measure -------------------------------------------------------------- RX DATA1 STATUS DATA2 - DATA3 VALUE (H) DATA4 VALUE (L) IF STATUS=0 MEASURE = SIGNED INTEGER ( VALUE ) / 10 IF STATUS=2 MEASURE = ERROR RJ IF STATUS=10 MEASURE = OFL IF STATUS=11 MEASURE = UFL $01 - Emissivit y -------------------------------[...]

49 DATA4 ' X' (ASCII CODE) $0C - Last 4 chars tag description -------------------------------------------------- RX DATA1 ' X' (ASCII CODE) DATA2 ' X' (ASCII CODE) DATA3 ' X' (ASCII CODE) DATA4 - $0D - Alarm sta tus ------------------------------------------------------------------------ RX DATA 1 LAL St atus[...]

50 DATA4 VALUE (LL) SIGNED LONG VALUE = ALARM HI $85 - LAL Se tpoint ------------------------------------------------------------------------ TX DATA1 VALUE (HH) DATA2 VALUE (H) DATA3 VALUE (L) DATA4 VALUE (LL) SIGNED LONG VALUE = ALARM LO $86 - Tag ID selectio n-------------------------------------------------------------------- TX DATA1 Tag ID (0[...]

51 28Ø PRINT "VALUE: " ; VALUE / 1Ø 29Ø END Example B : 1Ø CHAR = Ø 2Ø IDNAME = 1 3Ø INSTRUCTION = &H80 4Ø VALUE = 80 5Ø VALUE$ = HEX $ (VALUE/100) 55 WHILE LEN (VALUE$)<4: VALUE$ = "Ø"+VALUE$: W END 6Ø IF LEN (VALUE$) > 4 THEN VALUE $ =RIGHT $ (VALUE$,4) 65 DATA1 = VAL ("&H" + LEFT$ (VALUE$ , [...]

52 16 MAINTENA NCE Each OSP portable infrared t hermometer h as been factory tes ted and calibr ated befo re shipmen t. The calibrati on sho uld be v erified and re-ad justed if the instrument show s an error exceeding the dec lared specifi cations or when a cr itical active or p assive c ompone nt is repla ced (eith er at the component level or at[...]

53 A PPENDI X[...]

54 A 1 How to determine an obj ect emissiv ity Emissivity is th e measure of an obj ect abi lity to abs orb, tran smit, and e mit infr ared energy . It can h ave a valu e from 0 (shiny mirror) to 1 .0 (blackbo dy). If a value of e missivity higher tha n the a ctual one i s set, the o utput w ill read low , provided that the target temper ature is a[...]

55 A 1.2 Metals - Ty pical Emissivity Values 1.0 µm 1.6 µm 5.1 µm 8-14 µm Aluminum Non-Ox idized 0.1-0.2 0.02-0.2 0.02-0.2 0.02-0.1 Oxidiz ed 0.4 0.4 0.2-0.4 0.2-0.4 Alloy A 3003 Oxidiz ed — 0.4 0.4 0.3 Roughened 0.2-0.8 0.2-0.6 0.1-0.4 0 .1-0.3 Polished 0.1-0.2 0.02-0.1 0.02-0.1 0.02-0.1 Brass Polished 0.8-0.95 0.01-0. 05 0.01-0.05 0.01-0. 0[...]

56 1.0 µm 1.6 µm 5.1 µm 8-14 µm Tungsten 0.1-0.6 0.05-0.5 0.03 Polished 0.35-0.4 0.1-0.3 0.05-0.25 0.03-0. 1 Zinc Ox idized 0.6 0.15 0.1 0.1 Polished 0.5 0.05 0.03 0.02 A 1.3 Non-metals - Ty pical Emissivity Values 1.0 µm 1.6 µm 5.1 µm 8-14 µm Asbestos 0.9 0.9 0.95 0.95 Asphalt — 0.95 0.95 0.95 Basalt — 0.7 0.7 0.7 Carborundum — 0.9 0[...]

57 INDEX A Acquisition by ded icated T ags; 32 Acquisit ion setting s; 28 Alarm setting s; 23 Ambient Temp erature C ompensat ion (TAM ); 29 Analog Output ; 10 Analogue inpu t W arning s & Cautio ns; 18 APPLICATION NOTES; 45 Application s; 45 Automatic Emi ssivity Setti ng; 26 B Battery charger; 14 Battery level of charge; 31 Buzzer On/Off; 29 [...]

58 S S AFETY WARNINGS ; 18 Self calibrati on; 10 Sighting t elescope syste m; 42 Specificatio ns; 8 Storage; 52 T TABLE OF CONTENTS; 4 Taking mea surements; 9 Targ et dime nsi ons at di ffe rent dis tance s; 8 Target pinpoin ting; 9 Technical U nit sele ction; 27 Temperatur e Scale sel ection; 27 Thermoco uple input; 24 Thermoco uple Input; 10 Ther[...]

59 WARRANTY/DISCLAIMER OMEG A ENGINEERING, IN C. warrants this unit to b e free of defects in materia ls and workman ship for a period of 13 months fr om date of purchase. OM EGA W arranty ad ds an addit ional o ne (1) mo nth grace pe riod to t he norma l one (1) y ear product warrant y to cover ha ndling and shippi ng time. This e nsures that OM E[...]

60 Where Do I Find Every thing I Need for Process Meas urement an d Control? OMEGA…Of Cou rse! TEMPERATURE ! ! ! ! Thermocouple, R TD & Ther mistor Probes, Connectors, Panels & Assemblies ! ! ! ! Wire: Thermocouple, RTD & Thermi stor ! ! ! ! Calibrators & Ice Point References ! ! ! ! Recorders, Con trollers & Process Monitors [...]