Fluke Digital Camera 1526 User's Manual
Contents
1. 4 5 cesses daten 5 Replacing the Batteries 6 Replacing the FUSE sissuvassssssesas vaisua sea eterni benennen cope Fluke 1520 Unpacking the Meter The Fluke Model 1520 MegOhmMeter hereafter the meter is a handheld instrument designed primarily to make resistance insulation resistance measurements The MegOhmMeter includes the following items see Figure 1 e 2 test leads red and black 1 5 m e 2 test probes red and black e 2alligator clips red and black e strap e Carrying case e CDROM Not Pictured Fluke 1520 Users Manual Figure 1 Shipment Content MegOhmMeter Safety Information and Symbols Safety Information and Symbols A Caution identifies conditions and actions that may damage the Meter A A Warning identifies conditions and actions that pose hazard s to the user International symbols on the Meter and in the manual are explained below N Risk of electric shock Earth A See manual E Fuse Eguipment protected by double or reinforced Insulation AC or DC Battery CE Recycling information Conforms to CSA C22 2 No 1010 1 92 e Amendment 2 1997 UL 3111 and Eanes i Meis ANSI ISA SP82 01 1994 9 CE Conforms to EU directives Conforms to UL 3111 1 OVERVOLTAGE Installation CATEGORY Polluti2. Key functions acf12f eps Fluke 1520 Users Manual Using the Meter Connecting to the Circuit Under Test Figure 3 shows the proper connections Warning To prevent electric shock when performing resistance tests remove all power from the circuit to be measured Warning To prevent electric shock first connect the test leads to the Meter inputs before you make connection to the circuit under test 10 MegOhmMeter Using the Meter acf04f eps Figure 3 Connecting to the Circuit Under Test 11 Fluke 1520 Users Manual Auto Shut Off The Meter automatically turns off after 15 minutes of non use In Lo Ohms mode the meter turns off after 5 minutes of non use To turn the meter back on turn the rotary switch to OFF then to the desired function Measuring Insulation Resistance A Warning e Measuring insulation resistance requires the application of potentially dangerous voltages to the circuit This may include exposed bonded metalwork e Before proceeding ensure that the installation is correctly wired and no personnel are endangered by any tests 12 MegOhmMeter Using the Meter To measure insulation resistance do the following 1 Select the test voltage 2 Connect the probes to the circuit to be measured MQ The meter automatically detects if the circuit is energized 250V and displays the detected voltage 500V Warning A repetitive beep and the flashing high voltage sy
3. send the product to that service center 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 neglect misuse contamination alteration accident or abnormal condition of operation or handling including overvoltage failures caused by use outside of 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 34 MegOhmMeter Specifications 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 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 th
4. test is started or a different function is selected MegOhmMeter Using the Meter Exchange the red and black probes on the circuit and repeat steps 3 and 4 to reverse the polarity of the test current The reading should be the same as the previous This test is useful to detect corroded connections which can cause different readings for both polarities Using the LOCK Function to Measure Resistance The LOCK function is used to continuously supply the test current to the circuit to be tested This is useful for making several measurements in succession without having to push and hold the TEST button for each measurement 1 2 3 Press the TEST button then press the LOCK button then release both simultaneously You can now probe the desired test locations in succession Press LOCK or TEST to disengage the lock function Caution The Meter cannot indicate if the circuit is live in this mode Ensure that the circuit is de energized before connecting the test probes in this mode or the fuse may blow 17 Fluke 1520 Users Manual Measuring Resistance 1 Connect the probes to the circuit to be measured Measure voltage first to ensure that no hazardous voltage is present then switch to Ohms If the resistance is approximately 30 Q or less the Meter beeps To turn off the beeper press the beeper button If the resistance is higher than 4000 gt 4000 is displayed Measuring Voltage 1 2 18 Connect
5. FLUKE 1520 MegOhmMeter September 2000 Rev 2 2 03 2000 2003 Fluke Corporation All rights reserved Printed in USA All product names are trademarks of their respective companies Table of Contents Title Page Unpacking the Meter ice tenerte teer totae Safety Information and Symbols Key TUNCHONS 5 M Display tener sane etter E Using the Meter reete erteilt i EELA KUUN MAANOSA 10 Connecting to the Circuit Under SMU Off aure Measuring Insulation Resistance Measuring Low Resistance Measuring Resistance Measuring Voltage Checking the Battery Maintaining the Meter eun Replacing and Disposing of the Batteries Testing and Replacing the Replacement Parts and Optional Accessories Principle of Measurement for Resistance Service Genters P 28 SPCCHICATIONS 2 5 sects List of Tables Table Title Page 1 Key and Switch Descriptions sese 6 2 gt Display DescrilpliOH isommat satasta niteat eo hber re pa eres EP Es Le 8 Figure Title Page 1 Shipment Content treten ay en ana avataan 2 DENE NE 3 Connecting to the Circuit Under
6. d 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 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 for 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 to obtain return authorization information then
7. e 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 11 99 35 Fluke 1520 Users Manual 36
8. est it as described in the next section Testing the Fuse Use the following procedure to test the internal fuse of the Meter 1 Turn the rotary switch to the Lo Function 2 Connect the test leads to the input terminals and short them LoQ together Press TEST 6 3 The display should indicate approximately 0 5 O If the display reads gt 40 replace the fuse as described next and test again acf08f eps 24 MegOhmMeter Maintaining the Meter Replacing the Fuse A Warning To avoid electric shock personal injury or damage to the Meter use ONLY the specified fuse and in accordance with the following procedure If the previous fuse test indicates that the fuse is defective resistance gt 40 Q replace the fuse as follows 1 2 3 Turn the rotary switch to the OFF position Disconnect test leads from any power source Follow Steps 2 5 to remove the battery access lid as described under Replacing and Disposing of the Batteries Unscrew the bottom cover as shown in Figure 6 Remove the fuse as shown in Figure 6 Replace with a new fuse Place the bottom cover on and secure the screws Insert the batteries Observe the battery polarity shown in the battery compartment Secure the battery access lid Test the fuse as described under Testing the Fuse 25 Fluke 1520 Users Manual acf11f eps Figure 6 Replacing the Fuse 26 MegOhmMeter Replacement Parts and Optional Accessor
9. he Meter if the battery indicator W shows a battery empty condition Use only Fluke recommended batteries and fuse Do not use the Meter with any parts or cover removed Do not use the Meter around explosive gas vapor or dust Disconnect the test leads from power sources and from the Meter before changing the batteries or fuse Do not use the Meter in a wet environment Use only Fluke specified test leads Fluke 1520 Users Manual Key functions Table 1 Key and Switch Descriptions Rotary switch To select a measurement function Used for the Insulation Resistance and Low Resistance test functions ca Press and hold this button until the main reading is stable Locks the test in Insulation Resistance or Low Resistance function To lock press and hold TEST then press LOCK and simultaneously release both buttons The icon 6 LOCK appears on the display Insulation Resistance this mode continuously applies the test voltage LOCK to the circuit to be tested The beeper sounds every 2 seconds to remind you that you are in the Lock mode Low Resistance this mode continuously applies the test current to the circuit to be tested To unlock press LOCK or TEST again MegOhmMeter Key functions Table 1 continued Resistance Beeper function Turns the Beeper function ON and OFF When ON the ll icon appears on the display and the Meter beeps at short circuit Low Re
10. ies Replacement Parts and Optional Accessories Replacement Part Part Number Battery 1 5 V Alkaline Size C 423582 Test Lead set 669058 Test Probe 1 kV lantern tip red 803459 Test Probe 1 kV lantern tip black 803467 Alligator Clip red 803434 Alligator Clip black 803442 Carrying Case 603115 Holster 670643 Hand Strap 669069 Fuse 6 mm x 32 mm 0 25 x 1 25 inch 0 5 A 660 V Fast Acting NA 50 A Minimum Interrupt rating OR A Fuse 6 mm x 32 mm 0 25 x 1 25 inch 0 5 A 750 V Fast Acting 1556096 Optional Accessories Part Number Harness 669074 Tool Pack 669903 A For safety use exact replacement only 27 Fluke 1520 Users Manual Principle of Measurement for Resistance The Meter measures resistance by inducing a current in the circuit under test measuring the resultant potential across the circuit and then calculating the resistance of the circuit The resistance is then established by performing the following calculation R Ohm s Law Service Centers To locate an authorized service center visit us on the World Wide Web www fluke com or call Fluke using any of the phone numbers listed below 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 65 738 5655 Anywhere in the world 1 425 446 5500 28 MegOhmMeter Specifications Specifications Environmental Opera
11. mbol 4 1000V warn the user if voltage more than 30 V ac or dc is present If the voltage is gt 30 V ac or dc remove the voltage from the acf05f eps 3 circuit under test before proceeding with the next step Push and hold the TEST button The upper left display shows the test voltage applied to the circuit under test The main display shows the resistance Note The display shows until the TEST button is pushed 13 Fluke 1520 Users Manual 14 The Meter beeps when the reading is stable The upper right display shows the same resistance reading as the main display When resistance is higher than the maximum display range the meter reacts as follows e fthe 250V range is selected the display reads gt 1000 MQ e fthe 500V range is selected the display reads gt 2000 MO e If the 1000V range is selected the display reads gt 4000 MQ While keeping the probes on the test points release the TEST button The circuit now discharges through the Meter while the main reading shows the decreasing voltage Keep the probes touched to the test points until the circuit is completely discharged the main display shows The upper right display holds the resistance reading until a new test is started or a different function is selected MegOhmMeter Using the Meter Using the LOCK Function to Measure Insulation Resistance The LOCK function holds the test voltage on the probes Use LOCK to make long duratio
12. n measurements without having to push and hold the TEST button To use the LOCK function 1 Press the TEST button then press the LOCK button and then release both simultaneously A Warning In this mode a potentially dangerous voltage is continuously applied to the probes In this mode if the probes are disconnected from the circuit the Meter cannot discharge any potentially dangerous capacitive voltages left on the circuit Caution In this mode the Meter cannot indicate if the circuit is live Ensure that the circuit is de energized before connecting the test probes in this mode Press LOCK or TEST to disengage the lock function 15 Fluke 1520 Users Manual Measuring Low Resistance To measure low resistance 1 2 16 Zero out the test lead resistance see Table 1 Connect the probes to the circuit to be measured LOQ If voltage is present on the probes the voltage is displayed Warning A repetitive beep and the flashing high voltage symbol 7 warn the user if voltage more than 30 V ac acf06f eps or dc is present If the voltage is gt 30 V ac or de remove the voltage from the circuit under test before proceeding with the next step Press and hold the TEST button A single beep indicates a stable reading The resistance shows on the main display If the resistance is higher than 40 gt 40 Q is displayed Release the TEST button The upper right display holds the resistance reading until a new
13. on Degree 2 per IEC1010 1 CAT TII refers to the level of Impulse Withstand Voltage protection provided Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed installations e g electricity meter and primary over current protection equipment Fluke 1520 Users Manual A Safety Information Use of instrument in a manner not specified by the manufacturer may impair safety features protection provided by the equipment Read the following safety information carefully before using or servicing the instrument To avoid electric shock or fire do the following Avoid working alone Inspect the test leads for damaged insulation or exposed metal Check test lead continuity Damaged leads must be replaced Do not use the Meter if it looks damaged Be careful when working above 30 V ac rms 42 V ac peak and 60 V dc Such voltages pose a shock hazard When using the probes keep your fingers away from probe contacts Keep your fingers behind the finger guards on the probes Measurements can be adversely affected by impedances of additional operating circuits connected in parallel or by transient currents Verify operation prior to measuring hazardous voltages voltages above 30 V ac rms 42 V ac peak and 60 V dc MegOhmMeter Safety Information and Symbols A Safety Information cont Place test leads in proper input terminals Disconnect the live test lead before disconnecting the neutral test lead Do not use t
14. onal injury replace the batteries as soon as the battery empty indicator appears om Vad Note This Meter contains alkaline batteries Do not dispose of these batteries with other solid waste Used batteries should be disposed of by a qualified recycler or hazardous materials handler Contact your authorized Fluke Service center for recycling information The Meter uses four alkaline C cell batteries supplied To replace the batteries do the following see Figure 5 1 Turn the rotary switch to the OFF position 2 Disconnect test leads from any power source 3 Remove the holster 21 Fluke 1520 Users Manual 4 Place the Meter face down on a nonabrasive surface and loosen the two screws with a flat blade screwdriver 5 Lift the battery access lid away from the Meter 6 Replace the C cells as shown in Figure 5 Observe the battery polarity shown in the battery compartment 7 Secure the battery access lid back in position with the two screws 22 MegOhmMeter Maintaining the Meter acf10f eps Figure 5 Replacing the Batteries 23 Fluke 1520 Users Manual Testing and Replacing the Fuse A Warning To avoid electric shock disconnect the test leads from the inputs before opening the Meter for fuse replacement To prevent personal injury or damage to the Meter install ONLY Fluke specified fuse identified in the Replacement Parts and Optional Accessories section Before replacing the fuse t
15. sistance function Turns the test lead resistance compensation ON The 427 icon appears on the display To compensate touch the probe tips together then press and hold ZERO until the Meter beeps The main display indicates 0 00 Backlight button Turns the display backlight ON and OFF Fluke 1520 Users Manual Display Table 2 and Figure 2 describe the display Table 2 Display Description Voltage applied to the probes in Insulation Resistance function 2 Low Resistance Resistance function indicator 3 Resistance reading held from the last measurement in Insulation Resistance or Low Resistance function 4 Beeper symbol shows if beeper function is turned on in Resistance function 5 Zero symbol is on if test leads are zeroed out 6 Main reading display for all functions 7 Analog bar graph displays resistance on a logarithmic scale and voltage on a linear scale The value always tracks the main reading 8 High voltage warning symbol flashes if voltage gt 30 V ac or dc is present on the probes 9 Battery life indicator Displays briefly when the Meter is first switched to a function Displays the amount of battery voltage left in increments of 25 10 Lock symbol is on if the TEST mode is locked in Insulation or Low Resistance functions D Lp m s 100 sim N N B iw mi Zero aim v S 700 Figure 2 Display MegOhmMeter
16. surement Range per EN61557 2 0 250 to 4000 MQ Resolution 0 001 MQ to 10 MQ Accuracy 2 2 counts 0 250 MQ to 100 0 MQ 10 96 2 counts 1 1000 MQ 100 0 MQ to 4000 MQ Analog Bar Graph 0 to co 31 Fluke 1520 Users Manual Test Voltages 250 V 500 V 1000 V Accuracy 20 0 Nominal Current 1mA Number of measurements 5 000 Circuitry Protection test inhibited if gt 30 V ac or dc at inputs LoQ Display Range 40 00 Q Measurement Range 0 10 Q to 40 00 Q Accuracy 2 96 2 counts Resolution 0 01 2 Analog Bar Graph 0 to 100 Q Open Circuit Voltage 6 V typical Short Circuit Current 200 mA minimum 0 2 to 2 0 Q for gt 20 battery capacity remaining Test Leads Zero 20 Number of measurements 5 000 Circuitry Protection test inhibited if gt 30 V ac or dc at inputs 32 MegOhmMeter Specifications Voltage Range 600 V dc 50 60 Hz Resolution 1V Accuracy 2 96 2 counts Analog Bar Graph 0 to 1000 V Resistance Range 4000 Q Accuracy 2 96 2 counts Resolution 10 Analog Bar Graph 0to 10 kQ Beeper On at 30 or less 33 Fluke 1520 Users Manual 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 an
17. the probes to the circuit to be measured If the voltage is higher than 660 V gt 660 V is displayed A Warning The Meter indicates either ac or dc voltage If the voltage being measured has both an ac and dc component the Meter displays only the largest component of the measured signal om O acf07f eps lt 1 P acf08f eps Checking the Battery This function tests the battery under simulated load per EN61557 Disconnect all test leads from any circuit Full Empty ne U Figure 4 Display Example MegOhmMeter Using the Meter 5 BATTERY CHECK acfo9f eps 100 Full 0 Empty acf13f eps 19 Fluke 1520 Users Manual Maintaining the Meter This section provides basic maintenance information including fuse and battery replacement instructions Caution Do not attempt to repair or service your Meter unless you are qualified to do so and have the relevant calibration performance test and service information Cleaning Clean only with soap and water Remove any residue afterwards Periodically wipe the case with a damp cloth and mild detergent Do not use abrasives or solvents 20 MegOhmMeter Maintaining the Meter Replacing and Disposing of the Batteries Warning To avoid electric shock disconnect the test leads from the inputs before opening the Meter for battery replacement To avoid false readings which could lead to possible electric shock or pers
18. ting Temperature 10 C to 50 C Storage Temperature 40 C to 70 C Temperature Coefficient 0 10 x specified accuracy C lt 18 C or gt 28 C Relative Humidity Non condensing lt 10 C 90 RH 10 C to 30 C 75 RH 30 C to 40 C 45 RH 40 C to 50 C Without Condensation Dust water resistance IP42 per IEC 529 Operating Altitude 2000 m Storage Altitude 12000 m 29 Fluke 1520 Users Manual Mechanical Specifications Size 23 4 x 10x 6 4 cm 9 2x3 9x2 5 in Weight 1 kg 2 2 Ibs Drop requirement Per IEC 1010 1 Shock and Conforms to MIL PREF 28800F class 3 amp 4 Vibration Electrical Safety Safety Specifications Meets all requirements of EN61010 1 1995 and EN61557 1997 Maximum Operating Voltage 600 V ac or dc between any terminal and earth ground Protection Levels CAT III 600 V Pollution Degree 2 per EN61010 1 Electromagnetic Compatibility EMC Immunity amp EN 61326 1 Emmissions Unspecified for Field strength in excess of 2V m ESD EN61000 4 2 Satisfies Criteria B 30 MegOhmMeter Specifications Electrical Specifications Battery Size 1 5 V alkaline ANSI NEDA 14A IEC LR14 4 pieces Fuse 6 mm x 32 mm 0 25 x 1 25 inch 0 5 A 660 V Fast Acting 50 A Minimum Interrupt rating Insulation Resistance Display Ranges 4 000 MQ 40 00 MQ 400 0 4000 MQ Mea
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