® 1587/1577 Insulation Multimeters Calibration Manual PN 2456783 September 2005 Rev. 1, 6/09 © 2005, 2009 Fluke Corporation, All rights reserved. Printed in USA. Specifications are subject to change without notice. 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 three years and begins on the date of shipment. Parts, product repairs, and services are warranted for 90 days.
Table of Contents Title Introduction........................................................................................................ Safety Information ............................................................................................. Contacting Fluke................................................................................................ General Specifications ....................................................................................... Electrical Specifications .......
1587/1577 Calibration Manual Removing the LCD........................................................................................ Replacing the LCD ........................................................................................ Reassembling the Meter ................................................................................ Required Tools and Equipment ......................................................................... Performance Test ..............................................
List of Tables Table 1. 2. 3. 4. 5. 6. 7. Title Description of Symbols Used in the Manual.......................................................... Required Tools and Equipment.............................................................................. DMM Accuracy Tests ............................................................................................ Insulation Resistance Accuracy Test......................................................................
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List of Figures Figure 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. Title Testing the Fuse ..................................................................................................... Replacing the Batteries and Fuse ........................................................................... LCD Display Test .................................................................................................. Disassembling the Meter...............................................................................
1587/1577 Calibration Manual vi
Insulation Multimeters Introduction Introduction The Fluke Model 1587, and Model 1577 are battery-powered, true-rms insulation multimeters (hereafter, Meter or UUT) with a 6000-count and a 3 ¾ digit display. Although this manual contains calibration information for Models 1587 and 1577, all illustrations and examples assume use of the Model 1587. Table 1 provides a description of all the symbols used in this manual. The Meter meets CAT III and CAT IV IEC 61010 standards.
1587/1577 Calibration Contacting Fluke To contact Fluke, call one of the following telephone numbers: • Technical Support USA: 1-800-44-FLUKE (1-800-443-5853) • Calibration/Repair USA: 1-888-99-FLUKE (1-888-993-5853) • Canada: 1-800-36-FLUKE (1-800-363-5853) • Europe: +31 402-675-200 • Japan: +81-3-3434-0181 • Singapore: +65-738-5655 • Anywhere in the world: +1-425-446-5500 Or, visit Fluke's website at www.fluke.com. To register your product, visit http://register.fluke.com.
Insulation Multimeters Electrical Specifications Electrical Specifications AC Voltage Measurement 1587 Accuracy Range [1] Resolution 50 Hz to 60 Hz ±(% of Rdg + Digits) 60 Hz to 5000 Hz ±(% of Rdg + Digits) 600.0 mV 0.1 mV 6.000 V 0.001 V ±(1 % + 3) ±(1 % + 3) ±(2 % + 3) ±(2 % + 3) 60.00 V 0.01 V ±(1 % + 3) ±(2 % + 3) 600.0 V 0.1 V ±(1 % + 3) ±(2 % + 3) [1] 1000 V 1V ±(2 % + 3) ±(2 % + 3) [1] 1 kHz bandwidth.
1587/1577 Calibration DC Voltage Measurement Range [1] Resolution Accuracy 1587 [1] ±(% of Rdg + Digits) Accuracy 1577 [1] ±(% of Rdg + Digits) ±(0.2 % + 2) 6.000 V dc 0.001 V ±(0.09 % + 2) 60.00 V dc 0.01 V ±(0.09 % + 2) ±(0.2 % + 2) 600.0 V dc 0.1 V ±(0.09 % + 2) ±(0.2 % + 2) 1000 V dc 1V ±(0.09 % + 2) ±(0.2 % + 2) Accuracies apply to ± 100% of range. Input Impedance ................................................. 10 MΩ (nominal), <100 pF Normal Mode Rejection Ratio................
Insulation Multimeters Electrical Specifications Continuity Test Continuity Indication ........................................... Continuous audible tone for test resistance below 25 Ω and off above 100 Ω. Maximum Reading; 1000 Ω Open Circuit Voltage........................................... <8.0 V Short Circuit Current ........................................... 1.0 mA typical Overload Protection ............................................ 1000 V rms Response Time.......................................
1587/1577 Calibration Model 1587 Output Voltage Display Range 50 V (0 % to + 20 %) 0.01 to 6.00 MΩ 0.01 MΩ 6.0 to 50.0 MΩ 0.1 MΩ 0.01 to 6.00 MΩ 0.01 MΩ 100 V (0 % to + 20 %) Resolution 6.0 to 60.0 MΩ 0.1 MΩ 60 to 100 MΩ 1 MΩ 250 V (0 % to + 20 %) 0.1 to 60.0 MΩ 0.1 MΩ 60 to 250 MΩ 1 MΩ 500 V (0 % to + 20 %) 0.1 to 60.0 MΩ 0.1 MΩ 60 to 500 MΩ 1 MΩ 1000 V (0 % to + 20 %) 0.1 to 60.0 MΩ 0.1 MΩ 60 to 600 MΩ 1 MΩ 0.6 to 2.
static awareness A Message From Fluke Corporation Some semiconductors and custom IC's can be damaged by electrostatic discharge during handling. This notice explains how you can minimize the chances of destroying such devices by: 1. Knowing that there is a problem. 2. Learning the guidelines for handling them. 3. Using the procedures, packaging, and bench techniques that are recommended. The following practices should be followed to minimize damage to S.S. (static sensitive) devices. 1.
5. USE STATIC SHIELDING CONTAINERS FOR HANDLING AND TRANSPORT. 8. WHEN REMOVING PLUG-IN ASSEMBLIES HANDLE ONLY BY NON-CONDUCTIVE EDGES AND NEVER TOUCH OPEN EDGE CONNECTOR EXCEPT AT STATIC-FREE WORK STATION. PLACING SHORTING STRIPS ON EDGE CONNECTOR HELPS PROTECT INSTALLED S.S. DEVICES. 6. DO NOT SLIDE S.S. DEVICES OVER ANY SURFACE. 9. HANDLE S.S. DEVICES ONLY AT A STATIC-FREE WORK STATION. 10. ONLY ANTI-STATIC TYPE SOLDERSUCKERS SHOULD BE USED. 11. ONLY GROUNDED-TIP SOLDERING IRONS SHOULD BE USED. 7.
Insulation Multimeters Basic Maintenance Testing the Fuse XWWarning To avoid electrical shock or injury, remove the test leads and any input signals from the Meter before replacing the fuse. Test the fuse as described below and illustrated in Figure 1. If the fuse is defective, see Replacing the Batteries and/or Fuse later in this manual. 1. Insert a test probe in the J input terminal. 2. Turn the rotary switch to N and verify the Meter is in Auto Range. 3. Insert the probe in the mA input terminal.
1587/1577 Calibration Replacing the Batteries and/or Fuse Use the following procedure and Figure 2 to replace the batteries and/or the fuse: XWWarning To avoid electrical shock, personal injury, or damage to the Meter observe the following warnings: • Replace the batteries as soon as the battery indicator (b) appears. A weak battery can cause false reading. • Use ONLY fuses with the amperage, interrupt, voltage, and speed ratings specified.
Insulation Multimeters Basic Maintenance Testing the Display The display is an LCD comprised of a series of characters and segments for providing the user with a variety of information. To test the LCD and all of its segments proceed as follows: 1. Set the rotary switch to OFF. 2. Depress h and turn the function switch to B. 3. While continuing to depress h, verify that the lit display segments match those shown in Figure 3. bav01f.eps Figure 3.
1587/1577 Calibration Disassembling and Reassembling the Meter This section of the manual provides instructions for disassembling and reassembling the Meter. The instructions are limited to major replaceable assemblies and do not include component-level detail. See Figure 4 for an exploded view of the major assemblies. Also, the emphasis is placed on disassembly. However, when appropriate, an italicized entry at the end of each disassembly procedure provides critical hints for reassembly.
Insulation Multimeters Disassembling and Reassembling the Meter Removing the Boot The standard Meter comes equipped with a snug-fitting yellow rubber boot. The boot helps protect the Meter from rough handling and is normally left on the Meter. The first step in disassembling the Meter is to remove the boot. Use the following procedure to remove the boot: 1. Looking at the front of the Meter, place your thumbs on the top corners of the boot and firmly grasp the Meter. 2.
1587/1577 Calibration Removing the Bottom Case With the battery door removed, the next step in disassembling the Meter is to remove the bottom case. Use the following procedure to remove the bottom case: Note When removing the back case, it is not necessary to remove the fuse or the batteries. 1. Locate the four Phillips head screws on the bottom case, two next to the batteries and two next to the fuse. 2. Using a Phillips screwdriver, remove the four screws. 3.
Insulation Multimeters Disassembling and Reassembling the Meter ebp11f.eps Figure 5. Insulation Terminal Clips Removing the LCD With the PCA removed, the final step in disassembling the Meter is to remove the LCD assembly from the PCA. Refer to Figure 6 and use the following procedure to remove the LCD assembly: 1. Remove the two screws from the display end of the PCA. 2. Hold the PCA face down with the fuse-end of the PCA toward you. Locate the screw-hole near the center of the assembly.
1587/1577 Calibration 3. Remove the old glass LCD display from the bezel. Note Make sure the new LCD display is clean (free of lint and finger prints) before placing it in position in the bezel. 4. Position the new glass LCD display in the bezel; the silver face should face the rear, and the stepped portion of the glass should be directly under the elastomeric slot on the bezel. 5. Drop the elastomeric strip into its slot on the bezel. 6.
Insulation Multimeters Required Tools and Equipment Reassembling the Meter To reassemble the Meter, logically reverse the previous disassembly procedures. In the process, make sure to re-establish all electrical connections; specifically, the elastomeric strip for the LCD, the red and black plastic shields for the input terminals, and the two spring contacts for the Insulation Test Probe. Also make sure all parts are correctly aligned and positioned; do not force-fit any of the parts into position.
1587/1577 Calibration Performance Test The following series of tests comprise a performance test for verifying the accuracy of the Meter (UUT) and its performance level. The performance test is recommended as an acceptance test for incoming inspection and as a calibration procedure for periodically ensuring the accuracy of the Meter. Fluke recommends running the performance test at least once a year. No adjustments are required during the performance test, and it is not necessary to open the case.
Insulation Multimeters Performance Test Table 3. DMM Accuracy Tests (cont) Step UUT UUT UUT Function Range Input Level UUT Display Reading Fluke 1577 Fluke 1587 16 V dc 600.0V -600.0V -601.4 to -598.6 -600.3 to -599.7 17 V dc 1000V 1000V 996 to 1004 997 to 1003 18 mV dc 600.0 mV 3 mV 2.9 to 3.1 2.9 to 3.1 19 mV dc 600.0 mV 30 mV 29.9 to 30.1 29.9 to 30.1 20 mV dc 600.0 mV -600 mV -601.3 to 598.7 -600.7 to -599.3 21 Ohms 600.0 Ω 0 -0.2 to 0.2 -0.2 to 0.
1587/1577 Calibration Testing Temperature Function (1587 Only) Use the following procedure to verify that the UUT measures temperature within the published specification. 1. Connect the K-Type thermocouple to the temperature input of the UUT (J) and temperature calibrator. Note To ensure an accurate measurement the UUT and thermocouple connector must be at the same temperature. 2.
Insulation Multimeters Performance Test 3. Turn the rotary switch to INSULATION. 4. Set the voltage range on the UUT; see Table 4. 5. Apply the Calibrator Output to the UUT; see Table 4. 6. Press t on the UUT. 7. Verify that the display reading is within the limits given in Table 4. Table 4. Insulation Resistance Accuracy Test Step UUT Voltage Range Calibrator Resistance Range Calibrator Output UUT Display Reading Limit Low Limit High 1 500 V 60.0 MΩ 0.500 MΩ 0.0 1.
1587/1577 Calibration Insulation Function, Source Voltage Accuracy Test The following test verifies the accuracy of the source voltage for the insulation function. WCaution To prevent damage to the Test DMM use a HV Probe (Divider) with the Test DMM when testing the 1000V range of the UUT. 1. Connect the output of the HV Probe to the V – Com inputs on the Test DMM and turn the rotary switch to E. 2. Connect the input of HV Probe to the INSULATION output terminals on the UUT as shown in Figure 7. 3.
Insulation Multimeters Performance Test I Nominal Test The following test verifies the ability of the UUT to maintain the nominal insulation test current while loaded. 1. Connect the Test DMM and Calibrator to the UUT INSULATION terminals as shown in Figure 8. 2. Set the Calibrator to the Insulation Resistance Test Mode. 3. Set the output resistance on the Calibrator 1 M Ω. 4. Set the Test DMM to measure μA DC 5. Set the UUT to INSULATION, 1000V range. 6. Press t on the UUT.
1587/1577 Calibration UUT (Rear) UUT (Front) 6.0 Vdc Power Supply Power Supply LO A B ebp08f.eps Figure 9. Low-Battery Test Connections Low-Battery Test - INSULATION Function The following procedure verifies the accuracy of the low-battery indicator (b) during insulation operation. XWWarning To avoid shock hazard DO NOT press t during the following procedure. 1. Remove the batteries from the battery compartment. 2.
Insulation Multimeters Calibration Adjustment Procedure Calibration Adjustment Procedure The following sections comprise the Calibration Adjustment Procedure. The procedure is meant to bring the UUT back into specification following repair of the UUT or when the UUT fails the Performance Test. The required equipment is listed earlier in Table 2. The Meter features closed-case calibration adjustment using known reference sources.
1587/1577 Calibration 2. Remove the back case from the UUT. Leave the PCA in the top case. 3. Apply 6.0 V across the battery pads (XBT1) + and – on the back of the PCA. See Figure 10. XWWarning To avoid electrical shock or personal injury, remove the test leads and any input signal before removing the back case from the UUT. 4. Short across the CAL keypad on the back of the PCA. See Figure 10. The UUT should beep. The default password is now restored. 5. Remove the 6.
Insulation Multimeters Calibration Adjustment Procedure Meter Keys Used in the Calibration Steps The Meter keys behave as follows when performing the Calibration Adjustment Procedure. This may be of help determining why a calibration step is not accepted and for determining the input value without referring to Table 6. H Press and hold to show the measured value. The measurement value is not calibrated so it may not match the input value. This is normal.
1587/1577 Calibration Table 6. Calibration Adjustment Steps Switch Position (Function) Input Terminal AC Volts V/COM Calibration Adjustment Step C-01 600.0 mV, 60 Hz C-02 (Model 1587 only) [1] C-03 [1] C-05 [1] C-07 C-10 60.00 V, 0 Hz 600.0 V, 0 Hz C-12 600.0 mV, 0 Hz C-13 60.00 mV, 0 Hz C-14 600.0 Ω C-15 6.000 kΩ C-16 60.00 kΩ C-17 600.0 kΩ C-18 6.000 MΩ C-19 0.000 Ω C-20 50.0 MΩ C-21 C-22(Model 1587 only) mA/COM mA/COM 600.0 V, 2 kHz 6.
Insulation Multimeters Service and Parts Service and Parts User service is limited to replacing parts. Table 7 identifies the parts available for replacement and Figure 11 shows the location of each part. To order replacement parts refer to Contacting Fluke earlier in this manual. ebp09f.eps Figure 11.
1587/1577 Calibration Table 7.