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Fluke 51 Series - page 1
® 51 & 52 Series II Thermome ter Users Manual English September 1999 Rev.1, 6/ 01 © 1999- 2001 Fl uke C orporati on, All rights reserv ed. P rinted in USA All produc t nam es are tr adem arks of thei r res pective c ompa nies. ...
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Fluke 51 Series - page 2
Limited Warranty & Limit ation of Liab ility This Fluke product will be free from defects in material an d workmans hip for 3 years from the d ate of purchas e. This war- ranty does n ot cover fuses , disposab le batter ies or damage from acc ident, neglec t, misuse or a bnormal c onditions o f opera- tion or handl ing. Res ellers are no t auth ...
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Fluke 51 Series - page 3
i Table of Contents Title Page Introduction ................................................................................................................... .1 Contacting Fluk e ....................................................................................................... 1 Getting Starte d............................................... ...
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Fluke 51 Series - page 4
51 & 52 Ser ies II Users M anual ii Maintenance................................................................................................................... 1 3 Replacing the Batteries ............................................................................................. 13 Cleaning the Cas e and Hols ter .......................... ...
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Fluke 51 Series - page 5
1 51 & 52 Series II Introduction The Fluke M odel 51 and M odel 52 T hermometers (“the thermometer”) ar e microproc essor-based, digital thermometers des igned t o use exter nal J-, K-, T-, a nd E- type thermoc ouples (temper ature prob es) as temperat ure sensors . Use the thermom eter on ly as s pecified in t his manua l. Otherwise, the p ...
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Fluke 51 Series - page 6
51 & 52 Ser ies II Users M anual 2 Table 1. Safet y Information W Warning A Warning identifies co nditions an d actions that po se hazards to th e user. To avoid electrical shoc k or personal injury, follow these guidel ines: • Before usin g the thermo meter inspect the case. Do not use the th ermometer if it appears da maged. Loo k for crack ...
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Fluke 51 Series - page 7
51 & 52 Ser ies II Introduction 3 Table 1. Safet y Information (cont.) W Warning (cont.) • Model 52: Measurem ent errors may occur if voltages on the measurem ent surface s result in pot entials greater than 1 V b etween the two ther mocouples. When potent ial differences are anticipat ed between the thermocouples, use electrically in sulated ...
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Fluke 51 Series - page 8
51 & 52 Ser ies II Users M anual 4 Table 2. Internation al Symbols W Refer to the man ual for i nformation about this feature. P Com plies with E uropean Un ion direc tives . M Battery. Complies with relev ant Can adian Standar ds Assoc iation direct ives. Getting Started Everything in this Users M anual applies both t o Models 51 and 52 unl es ...
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Fluke 51 Series - page 9
51 & 52 Ser ies II Getting Starte d 5 Components xx 3 4 5 1 2 6 7 aas01f.eps Figure 1. Components Table 3. Components A Thermocoupl e T1 input B Model 52: Thermoc ouple T2 inpu t C Holster D Displ ay E Buttons F Battery door G Batteries ...
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Fluke 51 Series - page 10
51 & 52 Ser ies II Users M anual 6 Display Element s xx 2 3 4 5 6 7 8 9 10 1 aas02f.eps Figure 2. Display Ele ments Table 4. Displ ay Element s A The thermoc ouple measurem ent includ es an offset. See "Cha nging Set up Options." B The display ed read ings do not c hange. C A shift functi on is in pr ogress. D Setup is in pr ogress. E ...
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Fluke 51 Series - page 11
51 & 52 Ser ies II Getting Starte d 7 Buttons Table 5. Buttons A Press A to turn the th ermometer on or off. G (Shift function) Press G , M (CANCEL) to stop d isplaying the minimum , maximum , and average re adings in the secondary display. Q Press Q to turn the b acklight o n and off. Th e backlig ht turns off a fter 2 minut es without any but ...
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Fluke 51 Series - page 12
51 & 52 Ser ies II Users M anual 8 Table 5. Buttons (cont .) D Press D to start or ex it Setup . (See "Changi ng Setup Opt ions.") K Press K to sc roll to the Setup option y ou want to cha nge. Press K to incr ease the dis played s etting. N Press N to s croll to the S etup option y ou want to change. Press N to dec rease the dis play ...
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Fluke 51 Series - page 13
51 & 52 Ser ies II Using the Thermometer 9 Using the Thermometer 1. Plug the therm ocouple(s ) into the inp ut connec tor(s). 2. Press A to turn on the therm ometer. After 1 second the thermometer display s the first re ading. If no thermoc ouple is p lugged into the se lected inpu t or the thermocoupl e is "open, " the d isplay s how ...
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Fluke 51 Series - page 14
51 & 52 Ser ies II Users M anual 10 Changing a Setup Option 1. Press K or N to scroll to the s etup opti on you want to change. 2. Press E to indicate tha t you want to change this setting. 3. Press K or N until the settin g you want to use appears on th e display . 4. Press E to store the new setting i n memory. Notes Setup is dis abled in M I ...
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Fluke 51 Series - page 15
51 & 52 Ser ies II Measuring T emperatur es 11 Measuring Temperat ures Connecting a Thermocouple To change the thermocou ple type, see “C hanging S etup Options.” The North American ANSI Color Cod e is: Type JK E T N Color Black Yellow Purple Blue Orange 1. Plug a thermoc ouple into the input c onnector(s ). (Make s ure that the polar ity i ...
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Fluke 51 Series - page 16
51 & 52 Ser ies II Users M anual 12 Holding the Displayed Readings 1. Press h to freeze the readin gs on the dis play. The displ ay sho ws H . 2. Model 52: Press T to t oggle showi ng the T 1, T2, or T1-T2 readings in the prim ary or sec ondary display . 3. Press h again to tur n off the HOLD f unction. Viewing the MIN, MAX, and A VG Readings 1 ...
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Fluke 51 Series - page 17
51 & 52 Ser ies II Maintenanc e 13 Maintenanc e Replacing the Batteries Refer to the safe ty informat ion in T able 1 befor e replacing the batteries . 1. Turn off the therm ometer if necess ary. 2. Loosen the s crew and r emove the battery door. 3. Replace the thr ee AA batter ies. 4. Replace the b attery door an d tighte n the scr ew. Cleanin ...
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Fluke 51 Series - page 18
51 & 52 Ser ies II Users M anual 14 Genera l Weight 280 g (10 oz) Dimensions (without holster) 2.8 cm × 7.8 c m × 16.2 cm (1.1 in × 3 i n × 6.4 in) Battery 3 AA batteries Certification P , ) s Safety CSA C22.2 No. 101 0.1 1992 EN 61010 Amendm ents 1, 2 CAT I OVERVOLTAGE (Installation) CATEGOR Y I, Pollution Degree 2 per IEC1010-1* * Refers ...
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Fluke 51 Series - page 19
51 & 52 Ser ies II Replacement P arts and Acc essories 15 Electrica l (cont.) Measuremen t Accuracy, T1, T2, or T1-T2 (Model 52) J-, K-, T-, and E-ty pe: ± [0 .05 % of reading + 0. 3 o C (0.5 o F)] [below − 100 o C ( − 148 o F): add 0.15 % of reading for J-, K-, E-, and N-ty pe; and 0.45 % of reading for T-type] Temperature Coefficient 0.0 ...
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Fluke 51 Series - page 20
51 & 52 Ser ies II Users M anual 16 ...
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