Digital multimeters fluke 15071503 insulation resistance. Such tests are useful to quality engineers in the production of capacitive components, by design engineers to. Others are designed to accept an input from a high. Do not use the clamp if the clamp or leads appear damaged, or if you suspect that the clamp is not operating properly. Insulation testing technical guides megger insulation. Motor testing with ohm meter and megohm meter servo motor. Meggering with a gfci in the circuit page 2 mike holts forum. After the required connections are made, you apply the test voltage for a period of one min. The fluke 1507 insulation testers are compact, rugged, reliable and easy to use. Fluke 1507 insulation resistance tester kit includes the r9999 industrial tool bag for free model. Below are some basic principles for testing servo motor circuits with meter or megohm meter. The goal is to determine if the insulation of a wire has been compromised. Fluke 1507 calibration manual elso philips service. Insulation tester fluke 1507 insulation tester wholesale.
But the megger provides a much higher voltage rather than the ohm meters typical threevolt test voltage derived from an internal battery. Weve assembled helpful technical guides on insulation testing from leading manufacturers in the field. Pricing and availability on millions of electronic components from digikey electronics. Industries of today use threephase motors widely in highpower applications. The insulation resistance test is the second test required by the electrical safety testing standards. Fluke 1507 pdf prosirene upute flk150x jezik en velicina 0. In this way, comparison of readings will be of value because, although taken by different people, the test.
How to test a threephase motor with a megger hunker. The fluke 1507 insulation resistance tester includes the following. Megger makes electrical test equipment to help you install, improve efficiency and extend the life of electrical assets and cable networks at high, medium and low voltage. Po box 1186, 5602 bd eindhoven, the netherlands for more information call. Some units may also incorporate a hand generator to produce high voltage levels. Insulation resistance testing of low voltage cables in the field. Test interphase resistance by disconnecting the leads from each terminal. Megohmmeter insulation testers whether you work on motors, generators, cables, or switch gear, the fluke digital insulation resistance testers provide noisefree, reliable results. Introduction the fluke model 1507 and model 1503 are batterypowered insulation testers the tester. May 24, 2018 testing the insulation megging and low ohm testing windings on a old three phase siemens electric motor fluke 1507 insulation tester aka, megger. The megger insulation tester is a small, portable instrument that gives you a direct reading of insulation resistance in ohms or megohms. Megger testing electrician talk professional electrical.
The schemes also show in principle how equipment must be disconnected from other circuits before the instrument is connected. Unfortunately, megger results are not appropriate for use as a passfail determination due to the many variables and judgments involved. Commissioning manual rev 4, 10606 tp60 free ebook download as pdf file. Fluke 1507 insulation tester pdf the fluke model and model are batterypowered insulation testers hereafter, the tester.
Their multiple test voltages make them instruments of choice for troubleshooting, commissioning and preventative maintenance applications. Additional features, like the remote probe on these tools, reduces the time needed to perform repetitive testing. This procedure will show you how to test for shorts in windings, cables or opens. What is megger test and how is it performed the device is being used since 1889, popularity raised during 1920s, since long back devise is same in its uses and purpose of testing, few real improvement appeared in recent years with its design and quality of tester. Crank the handle for about a minute, and notice the resistance reading. Fluke i410i1010 acdc current clamp instruction sheet. Submersible motor megger testing meggers, or megohmeters, are often used by service personnel or sophisticated end users as an immediate trouble shooting device. Although this manual describes the operation of both models 1507 and 1503, all illustrations and examples assume use of model 1507. For good insulation, the resistance usually reads in the megohm range. Fluke 1507 insulation resistance tester tequipment. Fluke 1587 fc truerms megohmmeterinsulation resistance. You do this by using a high voltage and looking for voltage leaking through the insulation.
The fluke 1587 insulation multimeter combines a digital 1 kv insulation tester and full featured truerms digital multimeter in a single compact handheld unit. If a fraction of current flows, it can be measured by these highly sensitive meters. We are testing the motors insulation, more specifically between the motor windings and the motor casing. But before starting turn off all power sources to machine then disconnect the 3 phase motor lines only from the drive. With their multiple test voltages, they are ideal for many troubleshooting, commissioning, and preventative maintenance applications. The test measures the insulation resistance from individual windings to.
Fluke 1507 motor insulation and low ohm testing youtube. Fluke 1507 megohmmeterinsulation resistance tester, 600v. Additional features, like the remote probe on this tool save both time and money when performing tests. With advanced performance, the insulation tester line is designed to be safe, simple to use and gimmickfree.
Looking for fluke multiline lcd battery operated megohmmeter. Fluke 1507nist insulation tester, includes traceable certificate. Generally insulation is in the form of organic compounds that contains water as a part of chemical. Aug 16, 2014 insulation resistance test is conducted in most of the substation equipment is high and medium voltage substations. The test voltage should be 500vdc for motors rated 600v or less. Additional features, like the remote probe on these tools save. Fluke 1507 is a top selling option in the middle of the insulation resistance meters price range. Fluke 1507 megohmmeterinsulation resistance tester, 600v, 0. Sep 26, 2018 a megger is an ohmmeter that measures resistance in the megohm scale. Sometimes, the temperature youre sensing may result from current unbalance. The fluke 1587 fc adds four powerful new diagnostic functions through the fluke connect measurements app. The insulation resistance test consists in measuring the insulation resistance of a device under test, while phase and neutral are short circuited together. Isolation fault troubleshooting application note version history version 1. The iec 61010 standard defines four measurement categories cat i to iv based on the magnitude of.
Save battery power with sleep mode and auto power off. Doing them alll at once is a shortcut novices like to do, but can cause poor readings and more work in the long run. Basically, youre applying a voltage specifically a highly regulated, stabilized dc voltage across a dielectric, measuring the amount of current flowing through that dielectric, and then calculating using ohms law a resistance measurement. The fluke 1587 fc is rugged, reliable and easy to use. Fluke1508 with fast shipping and toprated customer service. Meggering insulation resistance testing of drytype. How to test a 3phase motor is discussed in this article. The insurance company has requested us to megger every circuit in the house. Actually voltage or current unbalance will produce too much heat thus damaging the motors. Digital multimeters fluke 15071503 insulation resistance testers the fluke 1507 and 1503 insulation testers are compact, rugged, reliable, and easy to use. The complete guide to electrical insulation testing. Insulation testing ensures public and personal safety by eliminating the possibility of a short circuit or short to ground. Jan 16, 2016 fluke 1507 motor insulation and low ohm testing duration.
The fluke 1507 is a versatile, compact, handheld insulation tester for advanced industrial and electrical insulation testing. Fluke 1587 insulation multimeter, lcd display, 2 gigaohms. Whether working on motors, generators, cables, or switchgear, this instrument is ideally suited to help with many troubleshooting tasks. Insulation testing technical guides weve assembled helpful technical guides on insulation testing from leading manufacturers in the field. The onemin interval is an industry practice that allows everyone to take the reading at the same time. For example, we can determine the insulation resistance at the standard temperature of 15.
With its multiple test voltages, the 1507 is ideal for many troubleshooting, commissioning, and preventative maintenance applications. Its multiple test voltages make it the ideal tool for many troubleshooting, commissioning, and preventative maintenance applications. Fluke 1508 insulation multimeter f1508 digital megohmmeter. If you are looking for something specific, dont hesitate to contact us. Jul 09, 2008 to megger test a 3phase motor with a volt megger tester. At a pressure of v applied between each live conductor and earth for a period of one minute the insulation resistance of hv installations shall be at least 1 mega ohm or as specified by the bureau of indian standards. The fluke models 1503, 1507, and 1508 are batterypowered insulation testers hereafter, tester or uut. Fluke1507 field testing megohmmeter from fluke electronics.
The insulation resistance test is of value for future comparison and also for determining if the transformer is to be subjected to the applied voltage test. Buy your fluke1507 from an authorized fluke distributor. Place one megger probe to the any mounting bolt on the breaker box to test for grounding continuity, then touch the other probe to a motor terminal. The fluke 1507 insulation tester is compact, rugged, reliable, and easy to use. Fire pump neutral tapped ahead of electrical service mike. The remote probe helps save time and money when performing tests. Like other tools that you have come to expect from fluke, the 1587 and 1577 are rugged. The resistance of a good insulation system will increase when subjected to a test voltage for a period of time.
Megohmmeter or insulation resistance tester is a special type of ohmmeter used to measure the electrical resistance of insulators. Fluke 15071503 insulation resistance testers selection guide odering informationr included accessories models remote probe, silicone test leads, test probes, large alligator clips, holster, users manual. It provides maximum versatility for both troubleshooting and preventive maintenance. I always megger a 3 phase 480v motor phase to ground, but i am wondering if meggering phase to phase can tell me something about the state of the winding insulation as well, and what kind of a reading i would be looking for considering the windings are shorted together. We are being contracted to do repairs as necessary in a house that had been flooded.
This might result in unexpected motor failures when critical services from such motors are required affecting availability of plants. Use extreme caution when working around bare conductors or bus bars. How to complete a pi or dar test using a fluke 1507 insulation resistance tester duration. How to use a megger eco climate solutions duration. Fluke 1507 nist offers ideal for advanced industrial and electrical insulation testing, this insulation tester comes in a compact design and features versatility. With their multiple test voltages, the compact fluke 1507 and 1503 insulation testers are ideal for many troubleshooting, commissioning, and preventative maintenance applications. This is an insulation test of motor windings, commonly referred to as megging, to megger, or to meg a motor. Connection schemes for testing insulation resistance of.
Fluke 1507 digital megohmmeter insulation resistance tester. Yep, he is not meggering the cables, he is meggering the whole system. Fluke 1507 motor insulation and low ohm testing duration. The remote probe makes repetitive or hardtoreach testing easy. How to use a megger to measure and test motor insulation. Fluke1507 fluke electronics test and measurement digikey. With its multiple test voltages, it is ideal for many troubleshooting, commissioning, and preventative maintenance applications. Apr 02, 2018 per 2008 nec section 25024c the grounded conductor neutral shall terminate in the service disconnect switch. Insulation testers whether you work on motors, generators, cables, or switch gear, the fluke digital insulation resistance testers provide noisefree, reliable results. Fluke 1507 insulation tester fluke 1503 insulation tester soft carrying pouch, users manual. The measured resistance has to be higher than the indicated limit from the. Testing and troubleshooting trace heating cable testing selfregulating cable a test should be performed when the heating cable is received, prior to installation and after installation using a 500 vdc megger. Safety information avoid working alone to ensure that assistance can be rendered. When you need the most reliable general purpose insulation tester, look no further than the new fluke insulation tester range.
I am confused when the fire pump service is tapped ahead of the buildings main electrical service disconnecting service switch does the neutral for the fire pump. Fluke 1507 digital megohmmeter, 501002505001, 000v. A good dmm can take test tool for electrical motors the four workhorses of motor troubleshooting and maintenance ratio, such as the fluke ir66 or 68, is the only safe and efficient way to go. The winding insulation resistance test is a dc high voltage test used to determine the dryness of winding insulation system. Always use proper safety precaution and reference reliable outside sources before attempting any construction or remodeling task. Dessa testinstrument uppfyller kraven enligt normen cat iv iec 61010. It measures acdc voltage, earth bond resistance on deenergized circuits and insulation resistance. To test a cable with a megger, you connect one probe to the outside of the cable and, with the power turned off, you touch the probe to the conducting wire at the point of connection. I have no issues with a meg test from hot to ground or neutral to ground when a gfci is in the circuit being tested. Ideal for advanced industrial and electrical insulation testing, this insulation tester comes in a compact design and features versatility.
Electrical test equipment power station to plug megger. The fluke 1587 and 1577 insulation multimeters combine a digital insulation tester with a fullfeatured, truerms digital multimeter in a single compact, handheld unit, which provides maximum versatility for both troubleshooting and preventative maintenance. The following schemes show how to connect a megger insulation tester to various types of electrical equipment. Additionally, the multiple test voltages facilitate the tool for many troubleshooting, commissioning, and preventative maintenance applications. Looking for fluke insulation tester, 50 to vdc 1be59. Measuring insulation resistance of capacitors a common use of high resistance measuring instruments often called megohmmeters or insulation resistance testers is measuring the insulation resistance of capacitors. The multiple test voltages on both models make them ideal for many troubleshooting, commissioning and preventive maintenance application. It also extends the life of electrical systems and motors. Testing from hot to neutral however subjects not only the mov installed between those two points but also the other electronics connected between those points to the test. Fluke 1507 insulation resistance tester specialized. Fluke 1507 nist insulation tester, includes traceable certificate model. The insulation resistance tester resembles a conventional ohmmeter. Fluke i410ilolo acdc current clamp instruction sheet read first.
1247 252 922 50 1113 1539 655 867 11 1553 712 361 356 98 542 896 747 7 147 1005 143 1126 320 135 155 1224 860 792 1121 1633 1017 245 1452 334 411 1267 1326 805 603 1224 1061 318