Megger 210170 hand crank v insulation tester model. The first dc portable insulation tester was developed in 1889 by our founders, sydney evershed and ernest vignoles, and by 1903 was being sold as a megger insulation tester. Electrical test equipment power station to plug megger. This meter is in good cosmetic condition shows a normal amount of wear and handling and operates as intended. Jul 25, 2018 disadvantages of hand operated megger. Megger 212159 analog insulation tester hand crank representative photo only click to enlarge. Megger 210710 high resistance analog insulation tester. Megohmmeter models 65016503 7 test voltage constant across the entire measurement range autoranging m.
I have had it for over 30 years, and it still works like new. Require very stable placement for operation which is a little hard to find at working sites. Cable fault location is required anywhere where the fault cannot be seen, is a multistep process that must be performed safely and as quickly as possible. The indicator scale is large and easytoread, and has direct reading on all ranges. Find great service and an excellent selection of megger insulation resistance testers at coleparmer. The family has seven variants supporting 2, 3 and 4wire measurements. Test voltages of 100, 250, 500 and volts dc are selected by a rotary switch. This is a very nice, near perfect original hand crank megger insulation resistance tester. Megger 212159 analog handcrank insulation tester, 2,000 megaohms resistance, 100, 250, 500, v test voltage. Ttr550005b single phase hand cranked transformer turns ratio tester.
The megger det family of test instruments offers a unique solution to the measurement of earth or ground electrode rod resistance and soil resistivity. Four models are available for general purpose testing which include a lowvoltage model. Megger 212159 handcrank analog major megger insulation tester. Fluke 1507 megohmmeterinsulation resistance tester, 600v. Set the function switch to discharge and wait a few seconds.
Megger ots vcm100d calibration unit megger voltage check meter. Megger mj159 analog insulation tester, handcrank from. The mit200 series meet a wide range of international. If youre looking for an electrical tester that is always fieldready and doesnt require batteries or power, check out the greenlee manualcrank megohmmeter, available at.
To view all our multimeter ranges go to an insulation tester like a megger can show a component failing that a normal. Megohmmeters electrical power testing grainger industrial. Buy megger 212159 analog insulation tester hand crank and more from our comprehensive selection of megger insulation resistance testers. Like all megger 510 kv insulation testers, these units are housed in meggers dual case. In an rf field of 3 vm, accuracy specified accuracy en 6261. The basic ones that i know are, volt and 500 volt. The complete guide to electrical insulation testing. The megger insulation tester is a small, portable instrument that gives you a direct reading of insulation resistance in ohms or megohms. Insulation resistance is indicated with a rugged tautband meter movement on a logarithmic scale. Megger 212359 mj359 handcranked120v line powered insulation tester let us quote you our best price. Megger working principle types history uses of megger. Voltage for testing produced by hand operated megger by rotation of crank in case of hand operated type, a battery is used for electronic tester. It features an analog meter movement calibrated directly in megaohms, ohms and ac volts. The megger insulation tester is essentially a highrange resistance meter.
Megger 212359 mj359 handcranked120v insulation tester. Such leaks cannot be spotted with a regular ohmmeter and help spot any damage to the cable and cable jacket. To measure the soil resistivity at a depth of three meters, we discussed a spacing between the test electrodes of three meters. The megger 210170 extended range insulation resistance testers are the ideal. Megger 212159 analog insulation tester hand crank from davis.
Buy megger 210710 high resistance analog insulation tester hand crank and more from our comprehensive selection of megger insulation resistance testers. Coleparmer has one of the best websites ive ever used for purchasing items from a company. But there is another types of megger which is motor operated type. In order to measure the insulation resistance in electrical wiring and electrical motors, electricians use the megohmmeter, also known as a megger. Accomplishing this design goal requires a special meter movement. Ohmmeter construction and operation explained marine insight. For maximum safety, most meggers are equipped with handcrank generators for producing the high dc voltage up to volts. Turn the hand crank until the slip clutch just begins to slip and note the meter. Power for the megger 212359 mj359 hand crankline analog insulation tester is provided by 120v ac 5060 hz or lowvoltage generator. Megger guide to electrical insulation testing pdf instrumart. The mtr105 is a stateoftheart motor tester, equipped with meggers full suite of insulation. Choose from a wide range of specifications to help find the test instruments that can meet your needs. If measuring on a dc circuit, the pointer will deflect but the measurement may be inaccurate. Aemc 6503 handcranked megohmmeter, 5000 megaohms resistance.
Ideal megger 61788 earth ground resistance tester meter this listing is for a ideal megger 61788 earth ground resistance tester meter. How to use a megger to identify a faulty component youtube. This practical and dependable instrument is designed for a broad range of plant and field service applications, such. An amber 6501 or green 6503 led on the front panel illuminates when the proper crank speed is attained, indicating the presence of the selected output. The megger insulation tester is essentially a highrange resistance meter ohmmeter with a builtin directcurrent generator.
It differs from an ohmmeter in that, unlike the ohmmeter, it is able to measure resistances in ohm values of more than one million. If low voltage ohmmeter is not available, using slow cranking in a mechanical. Megger is certified according to iso 9001 and 14001. Megger 550005b singlephase, handcrank transformer turns.
Megger mj159 handcranked analog major megger insulation. This is a ruggedized hand crank megger, that runs at 100, 250, 500 and vdc to make measurements. Test voltages are generated in full across the entire measurement range. Megger 6410957 megohm meter insulation resistance tester. In this case assume the resistance reading is 100 ohms. Megger mj159 212159 handcranked insulation tester tequipment. The calibration meters fit in the oil test set chamber in place of a standard vessel and are designed to ensure that the load on the ots transformer is similar to the load. The easy handcranked operation provides a steady, dc voltage output across the entire range for consistently reliable readings. Order megger hand cranked megohmmeter, vdc, mj159 at. The megger vcm100d and vcm80d are ots accessories that enable the voltage output of the oil test set to be checked by measuring the actual voltage at the hv electrodes. To use an ohmmeter, start by disconnecting all power to the circuit that youre testing.
Next, turn the dial in the center of your ohmmeter to change the scale of the reading from tens, to hundreds, to thousands, and so on. Megger is the name of the company that makes the device. Testing voltage is produced by the rotation of the crank in a handoperated megger, or by. Testing voltage is produced by the rotation of the crank in a handoperated megger, or by the battery in the case of an electronictype megger. Accuracy is not up to the level as its varies with rotation of crank. Using megger tester for these 3 types of insulation. Today i received an amazing gift from a youtube viewer. Allow us to earn your business and make this purchase easy. The instruments generator, which can be handcranked, battery or.
Set the function switch to discharge and wait a few. The 5 and 15 kv megohmmeters are highvoltage, lineoperated instruments. High voltage ohmmeters chapter 8 dc metering circuits. Working principle of megger voltage for testing produced by hand operated megger by rotation of crank in case of hand operated type, a battery is used for electronic tester. It differs from an ohmmeter in that, unlike the ohmmeter, it is. Megger 212159 analog handcrank insulation tester, 2,000. Megger working principle 4 comments electrical measuring instruments the megger insulation tester is an instrument used for measuring high resistances of the order of mega ohms and for testing the insulation resistance. Veteran operators insist they can tell something about the test from the torque on the crank.
To measure the soil resistivity start the fluke 1625 and read the resistance value in ohms. Get highquality megohmmeters at grainger to help measure electrical resistances of insulators such as cable jackets, electrical wires and motor windings. The handdriven generator is of the permanent magnet type and it is designed to generate from 500 to 2500 volts. A mega megger t insula t y hea ystem what it does the megger is used as a quality control measure to test the insulation resistance, to detect any fault in the heater cable jacket. 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. With handcranked megger instruments, its a lot easier for you to run the test for only.
Used electronic test equipment meggerinsulation testers. Shop here for batteryoperated, handcranked and lineoperated insulation testers. Megger mj159 analog insulation tester, handcrank from cole. About megger for over 100 years, megger has been the premier provider of electric test equipment and measuring instruments for electrical power applications.
Megger 212359 hand crankline analog insulation tester. The megohmmeter model is a compact, selfcontained, handcranked true megohmmeter. It may have been so when batteries were not always reliable, but not now. The megger 210170 extended range insulation resistance testers are the ideal instruments when high ranges are. For testing a range up to 440v, equipment requires 550v dc is sufficient. The model 6503 has three test voltages for insulation resistance testing.
The megger 550005b handcranked transformer turns ratio test meter measures the turns ratio and excitation current of singlephase power, potential, and current transformers. This is not scientifically verifiable and cannot be promoted as a benefit. The megger insulation tester is an instrument used for measuring high resistances of the order of mega ohms and for testing the insulation resistance megger working principle. The megger insulation tester is an instrument used for measuring high.
This practical and dependable instrument is designed for a broad range of plant and field service applications, such as acceptance. Megger has offered a 10 kv insulation resistance tester since 2001. No, a handcrank does not provide a better test, although that is still a commonly held view. Using the megger to use a megger to check wiring insulation, connect one test lead to the insulation and the other test lead to the conductor, after isolating the wiring from the equipment. The deflecting circuit resistance r1 limits the current and controls the range of the instrument. It is actually an insulation tester, but can be used for continuity tests.
The 247001 digital low resistance ohmmeter is a highly accurate instrument proving simple, practical, and reliable low resistance. Megger 212159 analog hand crank insulation tester, 2,000 megaohms resistance, 100, 250, 500, v test voltage. Megger 212159 analog insulation tester hand crank from. Excellent accuracy against our 10 megohm and 100 megohm standards. The crank is turned at a moderate speed till a constant deflection of the.
Megger 210710 high resistance analog insulation tester hand. There is no fire hazard related to ohmmeter insulation tester when used in. This unique design allows for fire retardant protection without sacrificing ruggedness. For good insulation, the resistance usually reads in the megohm range. Quick video on how to use a mega ohm meter music from youtube library, song, coffee stains, by riot. Contact with live circuits could result in severe injury or death. Megger mj159 handcranked analog major megger insulation tester. If you are referring to a megohm meter, it is a test of the insulation properties of such things as electric wiring, motor windings and high power antenna mounts. Megger 212359 mj359 handcrankline v insulation tester. Cable test equipment high voltage cable testing megger. If the megger reads a resistance under 1 1,000 ohms on your meter after the initial 60second interval, the cable has failed and the cable should be removed. Megger biddle 247001 digital low resistance ohmmeter, biddle.
1593 1474 939 563 918 1148 1554 854 582 999 1032 1240 768 630 839 1029 121 1152 96 882 1051 857 691 775 732 1267 669 511 1429 250 418 840