1550 MegOhmMeter
Contents
1. ADB12F EPS Figure 10 Replacing the Guard Fuse 22 1550 MegOhmMeter Principle of Measurement and Resistance Principle of Measurement and Resistance The Meter measures resistance by applying a voltage to the insulation under test measuring the resulting current through the circuit and then calculating the resistance of the circuit The resistance is then established by performing the following calculation R v Ohm s Law I Replacement Parts and Accessories Table 2 Replacement Parts Parts Part No Test Lead Red 1642584 Test Lead Black 1642591 Test Lead Green 1642600 Test Clip Red 1642617 Test Clip Black 1642621 Test Clip Green 1642639 AC Power Cord North America 284174 AC Power Cord Continental Europe 769422 AC Power Cord UK 769455 AC Power Cord Australia 658641 AC Power Cord S Africa 1552363 Soft Carrying Case 1642656 A Guard Fuse F Fast 100 mA H 250 V to IEC127 1642663 DC Charger Lead 1642695 A Charger Fuse 5 A 1 5 in x 0 25 in quick blow Fast fuse 1643479 Infrared Adapter 1642688 Ouicklink 1550 Communication Software 1642674 Users Manual 1642871 23 1550 Users Manual Specifications General Specifications Display 75mm x 105 mm Power 12 V lead acid rechargeable battery Yuasa NP2 8 12 Charger Input AC 85 V to 2502. PbX Note This instrument contains a led acid battery Do not mix with the solid waste stream Spent batteries should be disposed of by a qualified recycler or hazardous materials handler Contact your authorized Fluke Service Center for disposal and recycling information Storing rechargeable lead acid batteries in a low charged state could lead to reduced life and or damage Fully charge the battery before storing for extended periods and check the charge at regular intervals The Meter is powered by a rechargeable 12 V lead acid battery You can recharge the battery using the AC power cord or the DC charger leads that are shipped with the Meter Fully charging the battery typically takes 12 hours Avoid charging in extremes of temperature Recharge the battery if the Meter has been stored for extended periods Figure 4 shows how to connect the Meter to a power supply Safety Shutter ADB11F EPS Number Description IEC AC power socket DC power input terminals Figure 4 Power Supply Connections 1550 Users Manual To recharge the battery using an AC power supply 1 2 3 Turn the Meter off Disconnect the test leads and or any connectors from the Meter Rotate the safety shutter toward the top of the Meter to expose the power supply connections Connect the AC power cord to the IEC AC power socket 0 on the Meter Connect the
3. Meter or is from the circuit under test Voltage at 6668 V M Terminals of Tester n Stored Test 2000 oF dess ADB06F EPS Press to access the test results storage locations The memory location appears on the bottom right of the display Press 4 or to scroll through the different stored tests Press to view the stored test data for a specific test Test data appears on the alphanumeric text display and on the LCD ENTER Press to return the Meter to Ready mode 1550 MegOhmMeter Downloading Your Test Results Downloading Your Test Results You can use the download function to download all of your stored test data to a PC using the IR infrared port An infrared adapter is supplied with the Fluke 1550 MegOhm Meter and is used to download stored test data from the Meter to a PC Figure 9 shows the location of the IR port on the Meter Note You must keep the infrared adapter steady or data transfer errors may occur For best results place the infrared adapter on a flat surface in line with the IR port on the Meter IR Port ADB04F EPS Figure 9 IR Port on 1550 MegOhmMeter 19 1550 Users Manual Installing the Quicklink Software You need to install the Quicklink software on your PC to download stored test data To install the Quicklink software insert the Quicklink disk in your PC and follow the installation instructions on the disk Downloading Test Results to PC To d
4. Ready mode you can gt Change test parameters Start an insulation test View stored test results Download test results 2 Press again to turn off the Meter 1550 MegOhmMeter Operating the Meter Using the Pushbuttons Use the pushbuttons Figure 2 to control operation of the Meter select test results for viewing and scroll through selected test results amp 60 090 0 ADB02F EPS Item Button Description N Function button From Ready mode the Function button scrolls through test voltage selection ramp test setup time limit setup and results memory functions In Results mode use the Function button to choose between the view download and delete screens AR Up button Used to scroll through test voltages stored test O results timer duration and to select memory locations Also used to answer yes to yes no prompts Scroll button After you select a memory location use the Scroll button to display the test parameters and test results stored in the memory location Down button Used to scroll through test voltages stored test results timer duration and to select memory locations Also used to answer no to yes no prompts Enter button Used to select the Result function After you select the Result function use the up and down buttons to move through the stored tests Use the scroll button to view test parameters and test results D T
5. the display Note The nominal test voltage is 5 to 10 higher than the test voltage you select 1550 MegOhmMeter Making Measurements Performing an Insulation Test AA Warning Measuring insulation resistance requires the application of potentially dangerous voltages to the circuit This may include exposed bonded metalwork To avoid possible electric shock or personal injury e Remove all power from the circuit under test and discharge circuit capacitance before testing a circuit with the Meter e Before proceeding ensure that the installation is wired correctly and no personnel are endangered by any tests e First connect the test leads to the Meter inputs before you make connection to the circuit under test To perform an insulation test 1 Press to turn on the Meter The Meter will be in TEST VOLTAGE mode with a 500 V default test voltage DOWN Press O or to scroll through the test voltage options 500 V 1000 V 2500 V and 5000 V The selected test voltage appears in the upper right of the display Note The nominal test voltage is 5 to 10 higher than the test voltage you select Connect the probes to the circuit you want to test AA Warning To avoid possible electric shock or personal injury before and after testing confirm that the Meter does not indicate the presence of a hazardous voltage at the terminals If the Meter beeps continuously and a hazardous voltage is shown on the display d
6. C and 35 C to 40 C these tolerances double Insulation Test Voltage DC Insulation Resistance Range Accuracy reading 500 V lt 200 kQ unspecified 200 kQ to 10 GQ 5 10 GQ to 100 GQ 20 gt 100 GQ unspecified 1000 V lt 200 kQ unspecified 200 kQ to 20 GQ 5 20 GQ to 200 GQ 20 gt 200 GO unspecified 2500 V lt 200 kQ unspecified 200 kQ to 50 GQ 5 50 GQ to 500 GQ 20 gt 500 GQ unspecified 5000 V lt 200 kQ unspecified 200 kQ to 100 GQ 5 100 GQ to 1 TQ 20 gt 1 TQ unspecified Bar graph range 0 to 1 TQ Insulation test voltage accuracy 0 10 at 1 mA load current Induced ac mains current rejection 2 MA maximum Charging rate for capacitive load 5 seconds per uF Leakage current measurement Range Accuracy 1 nA to 2 mA 5 2 nA Capacitive measurement Range Accuracy 0 01 uF to 15 00 uF 15 of reading 0 03 uF Timer Range Resolution 0 to 99 minutes Setting 1 minute Indication 1 second Live circuit warning Warning range 30 V to 600 V ac dc 50 60 Hz Voltage accuracy 5 2 V 25 1550 Users Manual 26
7. FLUKE 1550 MegOhmMeter October 2001 Rev 1 1 03 2001 2003 Fluke Corporation All rights reserved All product names are trademarks of their respective companies Limited Warranty and 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 two 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 contaminated 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 only 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 for importation costs of re
8. Meter beeps when a potentially hazardous voltage remains on the test terminals due to charged circuit capacitances or from the presence of an external voltage If a breakdown is detected the Ramp stops the test voltage drops to zero and the voltage at the breakdown point is stored in memory on the Meter Press again when the Ramp test is completed The Meter beeps two times when the test ends When the test is complete STORE RESULT is displayed e Press 4 to save the measured insulation resistance and the test parameters The Meter returns to Ready mode Or DOWN e Press to ignore the test results and return the Meter to Ready mode 1550 MegOhmMeter Making Measurements Making a Timed Test You can program the Meter to make tests that run for a set time at a set voltage The time can be set in 1 minute increments to 99 minutes During a timed test the time limit appears on the right bottom of the display The elapsed time is shown in the middle To make a timed test 1 Press to turn on the Meter The Meter will be in TEST VOLTAGE mode with a 500 V default test voltage DOWN Press O or to scroll through the test voltage options 500 V 1000 V 2500 V and 5000 V The selected voltage appears in the upper right of the display Note The nominal test voltage is 5 10 higher than the voltage you select Connect the probes to the circuit you want to test AA Warning To avoid possible electric shock or perso
9. PS Figure 7 Improved Guard Terminal Connection 10 1550 MegOhmMeter Making Measurements Making Measurements Connecting to the Circuit Under Test AA Warning To avoid possible electric shock or personal injury e Remove all power from the circuit under test and discharge circuit capacitance before testing a circuit with the Meter e Connect the test leads to the Meter inputs before connecting to the circuit under test e Before and after testing confirm that the Meter does not indicate the presence of a hazardous voltage at the terminals If the Meter beeps continuously and a hazardous voltage is shown on the display disconnect test leads and remove power from the circuit under test To connect to the circuit under test 1 Rotate the safety shutter to expose the terminal connections 2 Insert the test leads in the terminals shown Figure 8 and connect the test leads to the circuit under test Terminal Terminal Safety sue A ADB09F EPS Figure 8 Connecting to the Circuit Under Test 11 1550 Users Manual Setting the Test Voltage To set the test voltage 1 Press to turn on the Meter The Meter will be in TEST VOLTAGE mode with a 500 V default test voltage 12 sov Test Voltage Display ADBOSF EPS DOWN Press or amp to scroll through the test voltage options 500 V 1000 V 2500 V and 5000 V The selected test voltage appears in the upper right of
10. The delete function deletes all of your stored test results Maintaining the Meter AA Warning To avoid possible electric shock or personal injury do not attempt to repair or service your Meter beyond what is described in this manual The Meter should be serviced by qualified service personnel only There are no user replaceable parts inside the Meter Cleaning AA Warning To avoid possible electric shock or personal injury remove excess water from the cloth before cleaning the Meter to ensure that water does not enter any terminal Periodically wipe the case with a damp cloth and mild detergent Do not use abrasives or solvents to clean the Meter 21 1550 Users Manual Replacing the Guard Fuse A Replace the Guard fuse with a F Fast 100 mA H 250 V fuse AA Warning To avoid electric shock personal injury or damage to the Meter e Replace the fuse in accordance with the following procedure using ONLY the replacement fuse specified in this manual e Disconnect the test leads and or any connectors To replace the Guard fuse Figure 10 1 Turnoffthe Meter 2 Rotate the safety shutter toward the top of the Meter to expose the power supply connections and Guard fuse receptacle 3 Remove the fuse holder by using a standard blade screwdriver to turn the fuse holder until it unlocks 4 Remove the fuse holder from the Meter and the fuse from the fuse holder 5 Install the new fuse and ready the Meter for use
11. V ac 50 60 Hz 50 VA This Class II double insulated instrument is supplied with a Class 1 grounded power cord The protective earth terminal ground pin is not connected internally The extra pin is for added plug retention only Charger Input DC 10 to 15 V dc 30 VA A Guard Fuse F Fast 100 mA H 250 V to IEC127 A Charger Fuse 5 A 1 5 in x 0 25 in quick blow F fuse Dimensions H x W x L 170 mm x 242 mm x 330 mm 6 7 in x 9 5 in x 13 0 in Weight 4 Kg 8 8 Ibs Temperature operating 20 C to 40 C 4 F to 104 F Temperature storage 20 C to 65 C 4 F to 149 F Humidity 80 to 31 C decreasing linearly to 50 at 40 C Altitude 2000 m Enclosure Sealing IP40 Input Overload Protection 600 V to earth ground Electromagnetic Compatibility EN 61326 Certifications UL CE CSA TUV Safety Compliance EN 61010 EN 61557 Parts 1 and 2 IEC 61010 1 CAT III V 600 Pollution Degree 2 Typical Battery Charge Capability Note At higher temperatures the battery requires charging more frequently Test Voltages Number of Tests 500 V 3600 1kV 3200 2 5 kV 2500 5 kV 1500 24 1550 MegOhmMeter Specifications Electrical Specifications Accuracy is specified for 1 year after calibration at operating temperatures of 0 C to 35 C For operating temperatures between 20 C to 0
12. WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES INCLUDING LOSS OF DATA ARISING FROM ANY CAUSE OR 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 or other decision maker 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 BD Eindhoven U S A The Netherlands Visit Fluke s web site at www fluke com 11 99 Table of Contents Title Page INTOGUCTION osuessa masta navetan Miele cient ds Contacting Fluke 2 0 eeeeeeseeeeeeeeeeteneeeeeeteeeseaeeseaeeseaeeseneeeeneees Unpacking the Metel ccceseecceeeseeeeeeeseeeeeneeeeseseeeeeseseeeeees Safety INformation cccceeccseseeseeeeseeeeeeeeseeeseeeessaeeseeeessaeeeeaeees SYMDOIS aiivnnsa toen osan ao tiae ta i enceasesi dts paii ioaiten as Operating the Meter eceeceeeecessseeeeeeseeeseaeeteaeeeeaeeteeeeeaeers Turning the Meter On and Off ecceeecceeeeeeeeeeeteeeeeeeeteeeeees Using the Pushbuttons 0 0 00 eee n an n naama nan aaen
13. eee eee ee Bi ReplaoementPasusaissstissumou Ste teetin nassa List of Figures Figure Title 1 Standard Accessories uuussssss nn a naa e nananana 2 PUSIDUtTONSiioisssnon silt ns aE aa Ea ONE ie Taa ereh arse cunuuneesers 3 Display FeatWros sassmssusiammsma arasta massaa ataT VAKAANA nedara HON PNEAmASI NEN 4 Power Supply Connections ouuussossin naa niaan 5 Surface Leakage Current ccoooouoise nn aa nannaa naan 6 Guard Terminal Connection uuuosssisa a n naan neenn 7 Improved Guard Terminal Connection 8 Connecting to the Circuit Under Test ceuuummssmmn nannat 9 IR Port on 1550 MegOhmMeter ooouussssn annan nanna neen 10 Replacing the Guard FUSC uuusuuusss enn ana nenne iii 1550 Users Manual Terminals Safety Shutter N IR Port Handle ADB16F EPS Fluke 1550 MegOhmMeter 1550 MegOhmMeter Users Manual Introduction The Fluke 1550 MegOhmMeter hereafter the Meter is a high voltage insulation tester that tests general circuits including switchgear and cables The Meter has the following features Four test voltage settings 500 V 1000 V 2500 V and 5000 V Resistance measurement range of 0 Q to 1 T Q Large liquid crystal display LCD with text display Infrared IR port for downloading test data Ramp mode that gradually increases the applied test voltage UI II U Test timer and storage for test results U Rechargeable lead acid ba
14. een Understanding the Display uuuussssss nn aa annan eneeen Charging the Battery souusssssss snt na nananana nneen Using the Guard Terminal uossssssss nn a nananana Making Measurements ooooooosose onnaa n naan a naan nananana Connecting to the Circuit Under Test uuusessusn sninen Setting the Test Voltage cuooosusssse e aamen eaa neenen Performing an Insulation Test Performing a Ramp Test ceseseeeesseeeeeseneeeeseeeeeeseeeeneeses Making a Timed Test scceoossssss iee inan a nana a Kaanaan anaean Viewing Results Stored in Memory csouuussssssisa ennnen Downloading Your Test Results uuuussussses ennnen ennen Installing the Quicklink Software ccuuuuuuuse enin nneen Downloading Test Results to PC ouuuusssss ese nannaa Deleting Your Test Results cuuussuussss e a n anne aaeen Maintaining the Meter ouuoossss e na e enaa na naama nannean Cleaning PPE Replacing the Guard Fuse oeouuusssses eat enaa naa na aa nana Principle of Measurement and Resistance Replacement Parts and Accessories uouuuuuunn nnen reese SpecificatiOns uuoouoson naan a naa aa enaa naa nananana General Specifications oouoosssnsn nn aan ea naene Electrical Specifications eououousn enn nen a n amen 1550 Users Manual il List of Tables Table Title Page hs SYMMONS setae eee ss SITEN tte
15. est button Starts and stops a test Push and hold the button for 1 second to start a test Push the button again to stop a test Figure 2 Pushbuttons 1550 Users Manual Understanding the Display Display annunciators are shown and described in Figure 3 E BBBBV in JO 1 W 100M 16 196 mum COLL ad MN ABB EG G6 G6 6 GG 1 ADBO3F EPS Description Interference present Displayed readings may be outside the specified accuracy range Ramp mode indicator Potentially hazardous voltage is present at the test terminals AA Warning Before and after testing confirm that the Meter does not indicate the presence of a hazardous voltage If the Meter beeps continuously and a hazardous voltage is present disconnect test leads and remove power from the circuit under test Voltage sourced by the Meter or from the circuit under test that is present at terminals of the Meter Test voltage selection 500 V 1000 V 2500 V or 5000 V Battery charge status O Bar graph display of insulation resistance Digital display of insulation resistance n Text display Indicates voltage test current capacitance and menu options Figure 3 Display Features 1550 MegOhmMeter Operating the Meter Charging the Battery AA Warning To avoid possible electric shock or personal injury disconnect the test leads from the Meter before charging the battery
16. isconnect test leads and remove power from the circuit under test Press for one second to start the insulation test 13 1550 Users Manual 14 The Meter beeps 3 times as the test begins and the N icon flashes on the display indicating potentially hazardous voltages may be present on the test terminals 10M 100M 1G 10G ai gt IN sa Bar Graph Digital Main Display G n Yoo GO ADB08F EPS The digital display indicates the measured insulation resistance after the circuit has stabilized The bar graph displays this value continuously in real time as a trend Press a second time to terminate the test The Meter beeps when a potentially hazardous voltage remains on the test terminals due to charged circuit capacitances or from the presence of an external voltage Note The insulation test terminates automatically under the following conditions e Userstop e Timerlimit reached e Interference on test circuit e Breakdown occurs e Battery depleted When the test is complete STORE RESULT is displayed e Press to save the measured insulation resistance and the test parameters and return the Meter to Ready mode Or e Press amp to ignore the test results and return the Meter to Ready mode Results will not be stored 1550 MegOhmMeter Making Measurements Performing a Ramp Test The Ramp test is an automated test that checks the insulation for a breakdown During a Ramp test the output vol
17. l is at the same potential as the negative terminal and can be used to prevent surface leakage or other unwanted leakage currents from degrading the accuracy of the insulation resistance measurement Figure 5 shows how to measure the resistance from one of the conductors to the outer shield In this case there is a leakage current along the surface of the inner insulation near the end of the cable This leakage adds to the current that the negative terminal detects and will cause the Meter to read a lower resistance than it should Surface Leakage Current ADB13F EPS Figure 5 Surface Leakage Current 1550 Users Manual Figure 6 shows how to prevent surface current leakage by connecting a lead from the Guard terminal to a conductor wrapped around the inner insulation The surface leakage current is directed to the Guard terminal This removes the leakage current from the measurement path between the positive and negative terminals and improves the accuracy of the test readings Shield LoS Leakage Current ADB14F EPS Figure 6 Guard Terminal Connection Figure 7 shows how to improve the measurement setup by connecting the Guard terminal to the unused wire and coupling it to the inner insulation This insures that the Meter measures the leakage between the selected conductor and the outer shield but eliminates the leakage path between conductors Shield U x Leakage Currents ADB15F E
18. moved e Disconnect the test leads from the circuit under test and from the Meter before changing the fuse e Use only Fluke approved replacement fuse s parts and accessories as specified in this manual e Do not use the Meter if the safety shutter is impaired in any way The safety shutter see Frontispiece prevents access to the test terminals and charger terminals at the same time e There are no user replaceable parts inside the instrument e Use the guard terminal only as specified in this manual Do not allow other accessories or foreign objects to come into contact with the guard terminal as safety may be compromised 1550 Users Manual Symbols Symbols on the Meter and in the manual are explained Table 1 Table 1 Symbols CE Conforms to European Union standards Underwriter Laboratories Inc TUV Product Services Technischer Uberwachungs Verein Conforms to Canadian Standards Association requirements Risk of danger Important information See Manual Potentially hazardous voltage Fuse Equipment protected by double or reinforced insulation Interference is present Displayed value might be outside of specified accuracy WA Operating the Meter Turning the Meter On and Off To turn the Meter on and off 1 Press to turn on the Meter The Meter performs a self check self calibration displays the current software version and starts in Ready mode In
19. nal injury before and after testing confirm that the Meter does not indicate the presence of a hazardous voltage If the Meter beeps continuously and a hazardous voltage is shown on the display disconnect test leads and remove power from the circuit under test FUNC Press TIME LIMIT function to scroll to the desired test function Then press to select the Press 4 to set the test time Press for 1 second to start the test The Meter beeps 3 times as the test begins and the A icon flashes on the display The bottom row on the display shows test current time elapsed and duration of test When the test is complete STORE RESULT is displayed e Press 4 to save the measured insulation resistance and the test parameters The Meter returns to Ready mode Or DOWN e Press to ignore the test results and return the Meter to Ready mode 17 1550 Users Manual Viewing Results Stored in Memory The Meter can store 99 sets of test data including VUUUUNL Limit timer on or off Timer reading at termination of test Capacitance Ramp on or off Selected test voltage and measured test voltage Test current Reason for ending the test To view stored test data le 2 18 Press to turn on the Meter Press to select the RESULTS function When a voltage is present at the terminals that voltage is always shown on the top center of the display regardless of whether that voltage is sourced by the
20. other end of the power cord to an AC power supply See General Specifications later in this manual for AC charger input specifications The LCD on the Meter displays CHARGING When the Meter is in Charging mode no other operations are possible To recharge the battery using a DC power supply 1 Turn the Meter off Disconnect the test leads and or any connectors from the Meter Rotate the safety shutter toward the top of the Meter to expose the power supply connections Connect the DC charger lead to the 4 mm DC power input terminals on the Meter Connect the other end of the DC charger lead to the cigarette lighter of a car See General Specifications later in this manual for DC charger input specifications The Meter displays the word CHARGING When the Meter is in Charging mode no other operations are possible 1550 MegOhmMeter Operating the Meter Using the Guard Terminal Note Insulation resistance is measured between the and output connections The Guard terminal G is at the same potential as the negative terminal but is not in the measurement path For most tests only two test leads are used connecting the positive and negative terminals on the Meter to the circuit under test The Guard G terminal is left unconnected When measuring very high resistances you can obtain more accurate readings by making a three wire measurement using the Guard terminal The Guard termina
21. ownload your test results to a PC 1 OP No oO FO R Using the cable provided connect the infrared adapter to an unused COM port on your PC Run the Quicklink software on your PC and click on the download icon Press to turn on the Meter Press to select the RESULTS function ENTER Press to access the stored test results FUNC Press to access the OWNL_OAD function Specify the PC COM port you are using on the Quicklink download dialog Click the start to initiate the download Press 4 to download stored test results to the connected PC The download dialog shows the progress of the download as test results are received on the PC If errors are reported repeat the download procedure 20 Note Verify that the download was successful before deleting the stored test results on the Fluke 1550 1550 MegOhmMeter Maintaining the Meter Deleting Your Test Results To delete all of your saved test results 1 Press to turn on the Meter FUNC 2 Press to select the RESULTS function ENTER 3 Press to access the stored test results FUNC 4 Press e two times to access the DELETE function 5 Press to delete all stored test results or press to return to Ready mode The REALLY DEL prompt appears DOWN ENTER 6 Press to confirm the deletion or press to return to Ready mode When you press all stored test results are permanently deleted A Caution
22. pair 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 to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepaid FOB Destination 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 failure was caused by neglect misuse contamination alteration accident or abnormal condition of operation or handling including overvoltage failures caused by use outside the product s specified rating or normal wear and tear of mechanical components 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
23. re and after testing confirm that the Meter does not indicate the presence of a hazardous voltage See Figure 3 If the Meter beeps continuously and a hazardous voltage is shown on the display disconnect test leads and remove power from the circuit under test AA Warning Read Before Using the Meter e To avoid possible electric shock or personal injury e Use the Meter only as specified in this manual or the protection provided by the Meter might be impaired e Do not disconnect the test leads before the test has been completed and the test voltage at the terminals has returned to zero This ensures that any charged capacitance is fully discharged e Ensure there is no power to the circuit under test and that all circuit capacitances are fully discharged prior to testing with this instrument e Avoid working alone or around explosive gas vapor or dust e Donot use the Meter in a wet environment e Inspect the test leads for damaged insulation or exposed metal Check test lead continuity Replace damaged leads Do not use the Meter if it looks damaged e Be careful when working above 30 V ac rms 42 V ac peak and 60 V dc Such voltages pose a shock hazard e When using the probes keep your fingers behind the finger guards e Measurements can be adversely affected by impedances of additional operating circuits connected in parallel e Place test leads in proper input terminals e Do not use the Meter with any parts or cover re
24. tage starts at 0 V and increases linearly until it reaches the specified test voltage 500 V 1000 V 2500 V or 5000 V or until a sudden drop in measured resistance is detected Then the Ramp stops the test voltage drops to zero and the voltage at the breakdown point is stored in memory on the Meter To perform a Ramp test 1 Press to turn on the Meter The Meter will be in TEST VOLTAGE mode with a 500 V default test voltage DOWN Press or to scroll through the test voltage options 500 V 1000 V 2500 V and 5000 V The selected test voltage appears in the upper right of the display Note The nominal test voltage is 5 10 higher than the voltage you select Connect the probes to the circuit you want to test AA Warning To avoid possible electric shock or personal injury before and after testing confirm that the Meter does not indicate the presence of a hazardous voltage at the terminals If the Meter beeps continuously and a hazardous voltage is shown on the display disconnect test leads and remove power from the circuit under test Press to select the RAMP TEST function Ramp gt ull Indicator ADBO7F EPS 15 1550 Users Manual 16 Press 4 to toggle the Ramp test option on A blinking aii appears in the DOWN upper left hand corner of the display if selected Press or to toggle the Ramp test option off Press for one second to start the Ramp test The
25. ttery The Meter meets EN 61557 Parts 1 and 2 and EN 61010 1 CAT III 600 V Pollution Degree 2 standards CAT III equipment is designed to protect against transients in eguipment in fixed eguipment installations such as distribution panels and lighting systems in large buildings Contacting Fluke To contact Fluke for product information operating assistance service or to get the location of the nearest Fluke distributor or Service Center call 1 888 99FLUKE 1 888 993 5853 in U S A 1 800 36 FLUKE 1 800 363 5853 in Canada 31 402 678 200 in Europe 81 3 3434 0181 Japan 65 738 5655 Singapore 1 425 446 5500 from other countries Visit Fluke s web site at www fluke com Register your Meter at register fluke com 1550 Users Manual Unpacking the Meter The Meter comes with the items shown in Figure 1 If the Meter is damaged or an item is missing contact the place of purchase immediately o QUICKLINK ol ADB01F EPS Item Description O Users Manual AC Power Cord A Test Cables with Alligator Clips red black green DC Charger Lead Soft Carrying Case Quicklink Communication Software Disk Infrared Adapter with interface cable Figure 1 Standard Accessories AA Warning The supplied test leads are for use with this instrument only Do not use with other equipment 1550 MegOhmMeter Safety Information Safety Information AA Warning Befo
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