Fluke 51 IP Phone User Manual
Contents
1. sss 51 52 53 54 Series Il Service Manual vi 51 52 53 54 Series Il Service Manual AWarning To avoid shock or injury do not perform the performance tests or calibration procedures described in this manual unless you are qualified to do so Refer to the Safety Information section of this manual before using the Fluke 51 52 53 54 Series Il Thermometers Caution The Fluke 51 52 53 54 Series Il Thermometers contain parts that can be damaged by static discharge Follow the standard practices for handling static sensitive devices Introduction This manual provides the following service information for the 51 52 53 and 54 Series II Thermometers hereafter referred to as the thermometer Precautions and safety information Specifications Performance tests Calibration and adjustment Basic maintenance Replaceable parts For complete operating instructions refer to the 5 52 Series II Users Manual or the 53 54 Series II Users Manual located on the 5 54 Series II CD ROM part number 1276106 51 52 53 54 Series II Service Manual Service Centers To contact Fluke order parts or locate a Fluke service center call one of the following telephone numbers USA 1 888 99 FLUKE 1 888 993 5853 Canada 1 800 36 FLUKE 1 800 363 5853 Europe 31 402 678 200 Japan 81 3 3434 0181 Singapore 465 738 5655 Anywhere in the world 1 425 446 5500 Or visit Fluke s Web site at2. Note Once adjusted do not change units C F or K until the thermometer is in measurement mode 7 Press the button CAL donE appears then press to store the calibration in memory 9 To ignore the calibration changes use the or v and select CAL Abrt and press Using the Offset to Adjust for Variation Between Thermocouples Use the offset option in the thermometer SETUP mode to adjust the thermometer s readings for errors of a specific thermocouple Use the following procedure 1 Plug the thermocouple into the thermometer input then allow the setup to thermally stabilize at least 5 minutes 2 Place the thermocouple in a known stable temperature environment such as an ice bath lag bath or a dry well calibrator Allow the readings to stabilize 4 In SETUP change the offset until the primary display reading matches the bath temperature See Changing Setup Options in the 5 52 Series II Users Manual and the 53 54 Series II Users Manual 11 51 52 53 54 Series II Service Manual 12 Basic Maintenance Basic maintenance required by the thermometer is discussed in this section Cleaning the Thermometer Caution To avoid damaging the thermometer do not use aromatic hydrocarbons or chlorinated solvents for cleaning These solutions react with the plastics used in the thermometer Do not allow the LCD to get wet Do not remove any of the lubricant from the battery pca c
3. 10 Calibration button access zb02f eps Figure 4 Calibration Button Access The menu on the display changes to CAL A d Note Within CAL are four menu options that may be accessed by pressing e CAL A d prompts the operator for the A D calibration inputs in mV dc e CAL rEF allows the operator to calibrate the reference junction at a known temperature e CAL donE saves the new calibration constants in memory e CAL Abrt ignores calibration changes turning the thermometer off while in CAL will also ignore calibration changes Press 4 or v Jto select different menu options With CAL A d selected press The thermometer prompts 80 Set the calibrator to 80 000 mV and allow the output to stabilize Note For steps 6 and 6 keep hand and body motion to a minimum while the thermometer takes A D readings Press r Wait while it takes A D readings When the thermometer prompts for 8 set the Calibrator to 8 0000 mV Allow the output to stabilize Press on the thermometer and wait while it takes A D readings The thermometer now shows the measured value in the bottom portion of the display Millivolts appears on the left side and microvolts appears on the right side If the measurement is from 7 995 0 to 8 005 0 press and the meter will return to the calibration menu and display CAL rEF If the measurement is outside 7995 0 to 8005 0 press once to return to the calibration me
4. F 189 3 to 190 7 308 9 to 311 1 4 40 8853 990 0 C 1814 F 989 2 to 990 8 1813 to 1815 5 48 8382 1200 C 2192 F 1199 to 1201 2190 to 2194 Verification of IR Communications Port Fluke 53 and 54 This section explains how to verify the operation of the IR Communications Port IR port Perform the following procedure using a PC and HyperTerminal The IR port can also be verified using Flukeview software To set up a HyperTerminal file follow these steps 1 Connect the IR adapter cable to the DB9 Adapter connector Connect the other end of the DB9 Adapter to a COM port of the PC 2 Place the Fluke 53 or 54 in front of the IR adapter Open up a HyperTerminal session Select Start button Programs Accessories HyperTerminal Open up a New Connection with a name like Fluke 54 IR Test When the Connect To box appears select the COMI or COM2 the port that the IR adapter cable is plugged into 6 Select Port Settings 9600 baud rate 8 data bits no parity 1 stop bit and no flow control 7 Under File select properties Verify that the correct port is selected Click on Configure Verify that port settings are correct the baud rate may need to be changed to 9600 8 Select the Settings tab then click on ASCII Setup Check the following boxes e cho typed characters locally e Append line feeds to incoming line ends e Wrap lines that exceed terminal width To open a HyperTerminal file to test the IR port u
5. This test verifies the instrument specifications If the instrument fails this test perform the calibration procedure If the unit continues to fail it should be taken to a Fluke service center Ice Bath Construction To begin the performance test first construct an ice bath as follows 1 Prepare a Dewar Flask by drilling two holes in its cap to accept the Mercury thermometer and thermocouple wires or use a standard laboratory cork 2 Fill the Dewar Flask with shaved or crushed ice made from distilled water Fill the Dewar Flask with enough distilled water so that the ice turns to slush but do not add enough water to float the ice Note As the ice melts siphon off the excess water and add more ice Allow approximately 5 to 10 minutes for the water to drop back to the freezing point Thermometer Performance Tests 4 Replace the Dewar Flask cap or cork and insert the thermocouple wires and Mercury thermometer as shown in Figure 2 Insert the Mercury thermometer to the same depth as the thermocouple wire K Type Thermocouple wire Copper wire Mercury Thermometer 51 52 53 or 54 Series II Thermometer 5700A Calibrator Ice bath zb04f eps Figure 2 Ice Bath Test Equipment Connections Ice Bath Test Use the following procedure to test the thermometer If the thermometer has two inputs this test should be conducted on both thermocouple inputs 1 If n
6. DCahbra tion EET Reference Junction Calibration eene Using the Offset to Adjust for Variation Between Thermocouples Basic Maintenance M Cleaning the Thermometer sese coronan nre nene Changing the Batteries idee ree ripe Deest rd ie Disassembly and Reassembly seen DISASSEMDIY mE Reassembly i eia oti ntis eie oer rire een Reinstalling the LCD Assembly eene Rebuilding the Main PCA cece cesceseceseeeseeeeeeesseeeaeesaecnaeesaeenaeenseenes Reinstalling the Main PCA aeterna nenne Replaceable Patts 5 ot ee eher ea Index 51 52 53 54 Series Il Service Manual List of Tables Table Title Page l International Electrical Symbols Used in this Manual sss 9 2 Recommended Test Equipment essere enne nennen 3 Performance Test Values K Type Thermocouple see 8 4 Replaceable Parts sie etn nee enges iii 51 52 53 54 Series Il Service Manual List of Figures Figure Title l Display Segments c EE 2 Ice Bath Test Equipment Connections 3 Calibration Connections oococcoccccnonanononononcnononanonononnnocononcnononccnnn conan nro nn nano en tenens 4 Calibration Button Access ssessssesseseeeeeeeeeeee nennen enne ernst enne nns 5 Battery ACCESS 4 ia dete ee Feist bd RT EC ER DOR nenn 6 Exploded View Model 54 is Shown
7. doubt have the thermometer serviced Do not operate the thermometer around explosive gas vapor or dust Do not apply more than the rated voltage as marked on the thermometer between the thermocouple s or between any thermocouple and earth ground Models 52 and 54 Measurement errors may occur if voltages on the measurement surfaces result in potentials greater than 1 V between the two thermocouples When potential differences are anticipated between the thermocouples use electrically insulated thermocouples When servicing the thermometer use only specified replacement parts Do not use the thermometer with any part of the case or cover removed Caution To avoid damaging the thermometer or the equipment under test Use the proper thermocouples function and range for your thermometer Do not attempt to recharge the batteries To prevent explosion do not dispose of batteries in fire Follow local laws or regulations when disposing of batteries Match the and polarities of the batteries with the battery case markings 51 52 53 54 Series II Service Manual Specifications General Specifications Weight 280 g 10 oz Dimensions without holster 2 8 cm x 7 8 cm x 16 2 cm 1 1 in x 3 in x 6 4 in Battery 3 AA batteries Certification CE E T V pending Safety CSA C22 2 No 1010 1 1992 EN 61010 Amendments 1 2 CAT OVERVOLTAGE Installation CATEGORY Pollution Degr
8. www fluke com International Symbols Table 1 identifies the international electrical symbols used in this manual Table 1 International Electrical Symbols Used in this Manual Low Battery A Important information e Complies with relevant Canadian Standards C Complies with European Union Association directives directives Precautions and Safety Information Use the thermometer only in the ways specified in the 5 52 Series II Users Manual and the 53 54 Series II Users Manual If the thermometer is used in ways not specified the thermometer may be damaged In this manual a Warning statement identifies conditions and actions that pose a hazard to the user a Caution statement identifies conditions and actions that may damage the thermometer or the test instruments Thermometer Precautions and Safety Information Safety Information AWarning To avoid electrical shock or personal injury follow these guidelines Before using the thermometer inspect the case Do not use the thermometer if it appears damaged Look for cracks or missing plastic Pay particular attention to the insulation around the connectors Disconnect the thermocouple s from the thermometer before opening the case Replace the batteries as soon as the low battery indicator appears The possibility of false readings can lead to personal injury Do not use the thermometer if it operates abnormally Protection may be impaired When in
9. 0 05 F Resolution Princo Model ASTM56C Princo Model ASTM56F DB9 Adapter Connector Fluke P N 804549 IR Adapter Fluke P N 690518 PC with Microsoft Windows installed Performance Tests Performance tests are recommended for incoming inspection periodic maintenance and for checking the thermometer s specifications If the thermometer fails any part of the performance tests calibration and or repair is indicated Before performing these tests 1 Allow the thermometer to stabilize to room temperature 23 C 5 C 73 F 9 F 2 Check the batteries and replace them if necessary Display Test Turn the thermometer on while pressing the button All display segments are displayed until the button is released Confirm that all the display segments are showing as in Figure 1 51 52 53 54 Series II Service Manual 51 53 forrser HOLD Porree pema im asc Teh 08 98 8888 mone min sec K min sec pr peur mn hour min TYPE KITES MAXMINAVG KJTERSN MAX BB 52 54 E Cama Geib IRECALL TI T2 T2 B B B B T2 D d B B BB BB BBBB u min sec K BB 8B K hour min nour min TYPE PE KJTE derer KITERSN MAXMINAVG zb03f eps Figure 1 Display Segments Keypad Test Check that all keypad switches are functional by pressing each key and confirming the proper response on the display Wide Range Performance Test Procedure
10. 2 F range Coefficient below 100 C 148 F add 0 04 of reading for J K E and N type and 0 08 96 of reading for T type Electromagnetic Susceptibility 2 C 3 6 F for 80 MHz to 200 MHz in 1 5 v m field for 200 MHz to Compatibility 1000 MHZ in 3 V m field Emissions Commercial limits per EN50081 1 Maximum Differential Common Mode Voltage 1 V Maximum voltage difference between T1 and T2 Temperature Scale ITS 90 Applicable Standards NIST 175 Accuracy is specified for ambient temperatures between 18 C 64 F and 28 C 82 F for a period of 1 year The above specifications do not include thermocouple error Thermometer Performance Test and Calibration Required Test Equipment Performance Test and Calibration Required Test Equipment Refer to Table 2 for a list of test equipment used in the performance test and calibration procedures Table 2 Recommended Test Equipment Equipment DC Voltage Calibrator Required Characteristics Output Voltage 0 1V Accuracy 0 0125 96 Resolution 0 1 uV Recommended Model Fluke 5700A or equivalent Thermocouple connector For K type thermocouple Fluke 80CK M Fluke P N 779942 Thermocouple connector Copper Fluke P N 601747 K type Thermocouple wire Standard Omega Dewar Flask Cap 1 pint or larger capacity Thermos Mercury Thermometer either C or F 0 02 C Resolution
11. All 8D 1 669819 e CASE BOTTOM All 8E 1 658689 e KEYPAD CALIBRATION All 8F 1 675009 e SHIELD All 15 51 52 53 54 Series Il Service Manual 16 Table 4 Replaceable Parts cont Item Fluke Part Model Number Qty Number Description Number 9A B 1 1541912 51 53 SERIES II IR LENS KIT 51 53 1 1543462 52 54 SERIES II IR LENS KIT 52 54 IR Lens Kit contains 9A 2 E e SPRING ISOTHERMAL 51 53 4 52 54 9B 1 e IRLENS 51 53 1 e IRLENS 52 54 10 1 675017 WINDOW PROTECTOR All 11 1 675030 LCD DECAL 51 675025 LCD DECAL 52 675022 LCD DECAL 53 675014 LCD DECAL 54 12 1 674747 BACKLIGHT All 13 1 1272438 HOLSTER amp FLEX STAND ASSEMBLY All 14 2 643830 SCREW PH P METRIC PT STL K35 14MM All 15 1 669793 KEYPAD 51 669788 KEYPAD 52 669785 KEYPAD 53 669777 KEYPAD 54 16 1 804705 CONNECTOR ELASTOMERIC SWITCH TO PWB 1 200 L All 17 1 800836 LCD MULTIPLEXED All Not shown 1 1276106 CD ROM CD ROM FLUKE 50 SERIES II All CD ROM contains 51 52 Series Il Users Manual 16 Languages 53 54 Series Il Users Manual 16 Languages Not shown 1 1276114 FLUKE 51 54 SERIES II PRODUCT OVERVIEW All Not shown 1 773135 THERMOCOUPLE ASSY T C ASSY K TYPE BEADED MOLDED 51 53 2 PLUG 52 54 Thermometer Replaceable Parts Figure 6 Exploded View Model 54 is Shown 51 52 53 54 Series II Service Manual 18 A assembly B batter
12. FLUKE 51 52 53 54 Series Il Thermometer Service Manual PN 1276123 October 1999 1999 Fluke Corporation All rights reserved Printed in USA All product names are trademarks of their respective companies LIMITED WARRANTY amp LIMITATION OF LIABILITY Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service The warranty period is three years and begins on the date of shipment Parts product repairs and services are warranted for 90 days This warranty extends only to the original buyer or end user customer of a Fluke authorized reseller and does not apply to fuses disposable batteries or to any product which in Fluke s opinion has been misused altered neglected or damaged by accident or abnormal conditions of operation or handling Fluke warrants that software will operate substantially in accordance with its functional specifications for 90 days and that it has been properly recorded on non defective media Fluke does not warrant that software will be error free or operate without interruption Fluke authorized resellers shall extend this warranty on new and unused products to end user customers only but have no authority to extend a greater or different warranty on behalf of Fluke Warranty support is available if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price Fluke reserves the right to invoice Buyer fo
13. SSES INCLUDING LOSS OF DATA WHETHER ARISING FROM BREACH OF WARRANTY OR BASED ON CONTRACT TORT RELIANCE OR ANY OTHER THEORY Since some countries or states do not allow limitation of the term of an implied warranty or exclusion or limitation of incidental or consequential damages the limitations and exclusions of this warranty may not apply to every buyer If any provision of this Warranty is held invalid or unenforceable by a court of competent jurisdiction such holding will not affect the validity or enforceability of any other provision Fluke Corporation Fluke Europe B V P O Box 9090 P O Box 1186 Everett WA 98206 9090 5602 B D U S A Eindhoven The Netherlands Table of Contents Introduction senken Named energie td International Symbols otn tete E ee I leer Precautions and Safety Information sese General Specifications eese enne ener Environmental ask een Bl ctrical eoi ihrer evite t TS dedo iine eis Performance Test and Calibration Required Test Equipment Performance Tests tede E Ere e PRIOR brennt Display E Keypad Test ete er tte e oe ei Enke Wide Range Performance Test Procedure eee Ice Bath Construction eese een rennen nene Ice Bath T68t 4 ie tee tente et HR aka Be Verification of IR Communications Port Fluke 53 and 54 Calibration and Offset Adjustment essen A
14. d the IR Lens are attached to each other first To do this follow these directions 1 Turn the Main PCA over so that the components are face down 2 Attach the Isothermal PCA to the Main PCA by inserting the pins into the matching holes on the Main PCA Note When putting the Isothermal PCA back onto the Main PCA do not push the Isothermal PCA all the way down into the contact holes of the Main PCA If the Isothermal PCA is kept slightly loose it makes installation of the IR Lens easier 3 Reinstall the IR Lens by taking the Main PCA with the Isothermal PCA loosely attached and with the component side facing down slide the IR Lens in between the main board and the Isothermal PCA 4 Line up the tab on the Isothermal PCA and the notch in the IR Lens and push the two together The contacts of the IR Lens should slide under the Isothermal PCA and they should be making contact with pads on the underside of the Isothermal PCA 14 Thermometer Replaceable Parts 5 Push the Isothermal PCA and the Main PCA together so that the Isothermal PCA pins go deeper into the Main PCA sockets This holds the IR Lens in place and allows the Main PCA to be reinstalled into the top case Reinstalling the Main PCA 1 While holding the IR Lens to the Main PCA turn the Main PCA over so that the components are facing up Align the screw holes in the Main PCA with those in the top case Align the backlight pins with the Main PCA sockets Align t
15. ee 2 per IEC1010 1 Refers to the level of Impulse Withstand Voltage protection provided Equipment of OVERVOLTAGE CATEGORY is equipment for connection to circuits in which measures are taken to limit the transient over voltages to an appropriate low level Environmental Operating Temperature Storage Temperature 10 C to 50 C 14 F to 122 F 40 C to 60 C 40 F to 140 F Non Condensing lt 10 C lt 50 F 95 RH 10 C to 30 C 50 F to 86 F Humidity 75 RH 30 C to 40 C 86 F to 104 F 45 RH 40 C to 50 C 104 F to 122 F Without Condensation Electrical J type 210 C to 1200 C 346 F to 2192 F K type 200 C to 1372 C 328 F to 2501 F Measurement T type 250 C to 400 C 418 F to 752 F Range E type 150 C to 1000 C 238 F to 1832 F N type 200 C to 1300 C 328 F to 2372 F R and S type 0 C to 1767 C 32 F to 3212 F Display 0 1 C F K lt 1000 Resolution 1 0 C F K gt 1000 J K T E and N type 0 05 of reading 0 3 C 0 5 F Measurement below 100 C 148 F add 0 15 96 of reading for J K E and N Accuracy and 0 45 of reading for T R and S type 0 05 of reading 0 4 C 0 7 F 0 01 of reading 0 03 C per C Temperature 0 05 F per F outside the specified 18 C to 28 C 64 F to 8
16. he Main PCA holes with the backlight posts Gently push the Main PCA down into the top case making sure that the IR Lens goes into the groove on the LCD end of the top case If it does not fit together easily check to make sure that everything is properly lined up and try again Uber goes he 6 Reinsert and tighten the two pca screws To complete the thermometer reassembly screw the bottom case to the top case reinstall the batteries and screw the battery compartment shut Replaceable Parts Refer to Table 4 for all replacement part numbers and Figure 6 for part locations Unless specified in the Model Number column all parts are for all units To order replaceable parts see the Service Centers section of this manual Table 4 Replaceable Parts Item Fluke Part Model Number Qty Number Description Number 1 3 376756 BATTERY PRIMARY 1 5V 0 150MA AA ALKALINE All 2 4 803582 SCREW PH P CAPT STL 4 40 25 All BATTERY DOOR 3 1 642931 SCREW PH P AM THD FORM STL 4 14 312 All 4 1 669838 DOOR BATTERY All 1 669812 CASE TOP 51 669804 CASE TOP 52 669801 CASE TOP 53 669796 CASE TOP 54 6 1 1541901 ISOTHERMAL PCA TESTED All 7 2 804713 CONNECTOR ELASTOMERIC LCD TO PWB 2 210 L All 8A F 1 1541895 BOTTOM CASE ASSEMBLY All Bottom Case Assembly contains 8A 2 666435 e BATTERY CONTACT DUAL All 8B 1 674744 e BATTERY CONTACT POS All 8C 1 674770 e BATTERY CONTACT NEG
17. ies access to changing y calibration loi A D A D connections 9 button access offset reference junction 11 variations between thermocouples 11 caution CD ROM D disassembly display segments 6 E electrical symbols H HyperTerminal Index ice bath construction 6 ET connections test L LCD reinstalling M Main PCA rebuilding reinstalling maintenance basic 12 batteries changing cleaning p parts diagram list of replaceable performance tests display test IR communications port verification keypad test 6 test values k type thermocouple wide range pep R reassembly 14 51 52 53 54 Series Il Service Manual S performance testing and calibration 5 safety P cautions and warnings U service centers Users Manual phone numbers world wide web address b 51 52 Series II specifications 53 54 Series II electrical environmental A W general k arnings test equipment
18. nu Using or v select CAL A d and try the A D calibration procedure a second time starting at step 5 Using or v select CAL donE then press to store the calibration in memory Thermometer Calibration and Offset Adjustment 11 To note the calibration changes use or v and select CAL Abrt and press 12 Proceed to Reference Junction Calibration Reference Junction Calibration Note This procedure is described using an ice bath and a K type thermocouple It can be performed in C F or K with any thermocouple and a known accurate temperature between 0 C 32 F and 50 C 122 F Note It is important that the temperature of the thermocouple and the internal temperature of the thermometer the reference junction have stabilized To calibrate the reference junction follow these steps Prepare an ice bath described earlier in this section 2 Referring to Figure 2 connect the equipment to T1 using K type thermocouple wire and a K type thermocouple connector Allow the setup to thermally stabilize at least 5 minutes after inserting the thermocouple connector into the thermometer 3 Turn the thermometer on and select the thermocouple type using the se a v and ew buttons Enter calibration mode refer to the A D Calibration section step 2 Using Jor v select CAL rEF and press Press Jor v Juntil the upper display matches the known temperature
19. onnection Clean the thermometer case with a mild detergent and water The pca may be washed with isopropyl alcohol or deionized water and a soft brush Dry the pca with clean dry air at low pressure then bake it at 50 C 122 F for 24 hours Changing the Batteries AWarning Replace the batteries as soon as the low battery indicator 4 appears The possibility of false readings increases when the batteries are low False readings can lead to personal injury To avoid electrical shock disconnect the thermocouple s before opening the battery door Caution Do not attempt to recharge the batteries Do not dispose of the batteries by placing them in fire Follow local laws or regulations when disposing of batteries Match the positive and negative polarities of the batteries with the markings located on the case To replace the batteries refer to Figure 5 and use the following procedure 1 2 3 Turn the thermometer off Loosen the battery compartment door screw and remove the battery door Replace the three AA batteries To simplify battery installation put the new batteries into the unit positive end first Replace the battery compartment door and tighten the screw Thermometer Disassembly and Reassembly zb01f eps Figure 5 Battery Access Disassembly and Reassembly Disassembly and reassembly of the thermometer may be necessary to replace interior parts Refer to Figure 6 when disas
20. ot already selected select K type thermocouple on the thermometer using the se Lv J and buttons 2 Connect the equipment as shown in Figure 2 Allow the setup to thermally stabilize at least 5 minutes after inserting the thermocouple into the thermometer 3 Verify that the ice bath temperature reads 0 0 C 0 06 C on the Mercury thermometer 4 Short or apply 0 mV to the copper wires at the Calibrator Verify the thermometer reads 0 0 C 0 3 C 6 Ifthis test fails reposition the thermocouple wires and Mercury thermometer to the same depth in the ice bath and repeat steps 3 5 If the test continues to fail perform the calibration procedure located after this procedure 7 Remove the short applied in step 4 Using Table 3 steps 2 5 obtain an output from the Calibrator equal to the values in the Input Voltage mV DC column and verify the thermometer reads within the limits specified If any step fails perform the calibration procedure located later in this section 9 Disconnect the thermocouple from the input terminals This completes the ice bath test 51 52 53 54 Series II Service Manual Table 3 Performance Test Values K Type Thermocouple Input Voltage Equivalent Display Reading limits Step mV DC Temperature C oF 1 0 0000 0 0 C 32 0 F 0 3 to 0 3 31 5 to 32 5 2 0 9193 23 0 C 73 4 F 22 7 to 23 3 72 9 to 73 9 3 5 7297 190 0 C 310 0
21. r importation costs of repair replacement parts when product purchased in one country is submitted for repair in another country Fluke s warranty obligation is limited at Fluke s option to refund of the purchase price free of charge repair or replacement of a defective product which is returned to a Fluke authorized service center within the warranty period To obtain warranty service contact your nearest Fluke authorized service center or send the product with a description of the difficulty postage and insurance prepaid FOB Destination to the nearest Fluke authorized Service center Fluke assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer transportation prepaid FOB Destination If Fluke determines that the failure was caused by misuse alteration accident or abnormal condition of operation or handling Fluke will provide an estimate of repair costs and obtain authorization before commencing the work Following repair the product will be returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges FOB Shipping Point THIS WARRANTY IS BUYER S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LO
22. remove the main switch pad first remove the small elastomeric connector at the top of the switch pad and then lift out the entire switch pad Reassembly The reassembly procedure is basically the reverse of the disassembly procedure However there are several points in this process that should be explained further Note For reassembly the thermometer top case should be face down with the keypad end of the top case facing the user Reinstalling the LCD Assembly Follow these steps to reinstall the LCD assembly 1 Install the LCD decal 2 When putting the LCD back into the top case make sure the LCD is correctly aligned The edge of the LCD with the bubble in it should be facing the left side of the open face down top case and the LCD should be placed into the top case face down 3 When reinstalling the backlight the backlight pins should be on the left side of the open top case and they should be facing up Check that the pins are straight To make sure that the backlight is centered line up the bottom left corner of the backlight with the guide that is molded into the top case The left corner of the backlight should fit directly over this guide and the bottom right side of the backlight should also be lined up with but not over a similar guide on the right side of the open top case 4 Install the two LCD elastomeric connectors Rebuilding the Main PCA When reinstalling the Main PCA make sure that the Isothermal PCA an
23. se the following procedure 1 Under File select Save As Use a file name such as Fluke 54 IR Test and then click on save Click on the phone disconnect icon Click on open folder or under File select Open Double click on Fluke 54 IR Test Type in ID followed by the Enter key notice the ID is capitalized DM LER a The display of the thermometer now shows the thermometer name Fluke 53 II or Fluke 54 IL and the units operating software version e g Fluke 54 II V1 01 Thermometer Calibration and Offset Adjustment Calibration and Offset Adjustment Calibration consists of two parts 1 Calibration of the A D converter using the set up shown in Figure 3 2 Reference junction calibration using the ice bath test set up shown in Figure 2 A D Calibration To calibrate the A D portion of the thermometer follow these steps 1 Connect the calibrator to the T1 input of the thermometer using copper non thermocouple wire and a copper thermocouple connector Refer to Figure 3 for proper equipment connections 2 Turn the thermometer on with a small blunt probe press the calibration button located on the back and in the center of the thermometer Refer to Figure 4 L Copper Thermocouple connector 51 52 53 or 54 Series II Thermometer 5700A Calibrator O zb06f eps Figure 3 Calibration Connections 51 52 53 54 Series II Service Manual 10 3 4
24. sembling and reassembling the thermometer Disassembly To disassemble the thermometer follow these steps 1 Remove the batteries see Changing the Batteries section 2 Remove the two screws located inside the battery compartment Caution e Before proceeding make sure that you are grounded to prevent static discharge which could damage the thermometer e Inside the unit there are parts that can become contaminated by oils from the skin These parts should not be directly handled When lifting out the elastomeric connectors and the main switch pad it is recommended that tweezers or sterile gloves be used 3 Remove the two case bottom screws located at the LCD end of the unit and separate the bottom case from the top case 4 Removing any of the interior components of the unit requires removing the Main PCA To remove the Main PCA place the top case face down and remove the two screws that attach the Main PCA to the top case Gently lift the Main PCA out of the top case The IR Lens small Isothermal PCA backlight elastomeric connectors and the LCD may all lift out attached to the Main PCA 5 Ifthe Isothermal PCA separates from the Main PCA the Isothermal PCA IR Lens backlight elastomeric connectors and the LCD will still be in the top case Lift them out of the top case after the Main PCA is removed 13 51 52 53 54 Series II Service Manual 6 The LCD decal is now exposed and may be removed 7 To
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