Insulation Resistance Test Form

The measured resistance indicates the condition of the insulation between two conductive parts.

Insulation resistance test form.

No part of this publication may be reproduced in any form in an electronic retrieval system or otherwise without the prior written permission of the publisher. B kv is the rated machine terminal to terminal voltage. The method of measuring the insulation resistance is to test and assess the state of the isolation head and body. The test measures the insu lation resistance between the phases and or between phase and ground.

For example suppose you measured 100 megohms with an insulation temperature of 30 degrc. Megohmmeters ohmmeters and dc highpotential test sets from such manufacturers as biddle associated research hipotronics and aemc or equal shall be acceptable for use in performing insulation resistance and high potential tests. The insulation resistance is the resistance in ohms of wires cables and electrical equipment. The insulation resistance can be calculated using the following formula.

So to compare new readings with previous ones you ll have to correct your readings to some base temperature. Ansi neta mts 2015 table 100 11 insulation resistance test values rotating machinery for one minute at 40 c. The insulation resistance test is an electrical test which uses a certain type and level of voltage 500v d c. Values based on ieee std 43 2013.

For good insulation the resistance usually reads in the megohm range. Is the insulation resistance at the desired temperature in the same units as the measured insulation resistance. The megger insulation tester is a small portable instrument that gives you a direct reading of insulation resistance in ohms or megohms. Insulation resistance testing is a non destructive test procedure.

The megger insulation tester is essentially a high range resistance meter ohmmeter with a built in direct current generator. All testing shall be done using the proper test equipment. A rated line to line voltage for three phase ac machines line to ground voltage for single phase machines and rated direct voltage for dc machines or field windings. It is commonly used in the industry for acceptance testing prior to energizing the cable and for maintenance testing programs.

230v to measure insulation resistance in ohm s. Is the measured insulation resistance typically in mega ohms or giga ohms. It is important to guard against electric shocks and avoid equipment damage from accidental discharges. Continuity test report insulation resistance test form ir test sheet test sheets post navigation battery autonomy test report for fire alarm system testing commissioning report smdb.

5 2 suitability of test equipment 5 3 test instrument calibration 5 4 test report the purchaser is required to include the above sections with any section s of. T t k measured s dard e s dard measured r r tan ln tan where.