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Related Manuals for Textron HDE ClearTest CT-300
Summary of Contents for Textron HDE ClearTest CT-300
- Page 1 learTest ® TRANSFORMER TESTER CT-300 WITH AUTOMATIC SELF TEST Operating & Instruction Manual 1475 Lakeside Drive • Waukegan, Illinois 60085 U.S.A. • 847.473.4980 f a x 8 4 7 . 4 7 3 . 4 9 8 1 • w e b s i t e : w w w. H D E l e c t r i c C o m p a n y. c o m...
- Page 2 ClearTest Transformer Tester SAFETY WARNING: The ClearTest Transformer Tester shall only be used on equipment known to be deenergized and/or discharged. CAUTION: Using the ClearTest Transformer Tester on the secondary side of transformers may generate high voltages on the primary side. Stay clear of all primary connections while testing.
- Page 3 INTRODUCTION The CT-300 ClearTest Transformer Tester is a versatile tool for quick and easy checks of transformers and the connections made to them. The transformer connections can include bundled secondaries or a cable run from the transformer to the meter. In the field, the CT-300 is used to test the primary and secondary sides of new or reworked, deenergized single or three phase transformer installations.
- Page 4 Test Connections for CT-300 USING THE CT-300 For single phase transformers, use these figures as guidelines to get started. For 3Ø transformers, refer to the following page. When all connections are proper and the transformer itself is good, the CT-300 will beep and show OK.
- Page 5 For 3Ø transformers, the CT-300 test leads are connected from each phase to neutral and across each pair of phases. When all connections are proper and the transformer itself is good, the CT-300 will beep and show OK. The OPEN indication indicates a bad connection or an open transformer Primary Secondary...
- Page 6 TESTING DISTRIBUTION VOLTAGE REGULATORS line to ground For typical distribution voltage regulators, test using these figures as guidelines. Both the line and load bushings tested to ground should indicate the reading shown in the figures. With the load to ground regulator in the neutral position, the line and load are internally connected with the resulting test indicating SHORT.
- Page 7 BATTERY REPLACEMENT The CT-300 is powered by two 9V lithium or alkaline batteries. They are easily and quickly replaced by removing the battery cover on the back of the unit. Always replace the two batteries together. NOTE: For user safety there is a non-replaceable 600V internal fuse inside the instrument.
- Page 8 LIMITED WARRANTY AND LIMITATION OF LIABILITY This warranty applies to all products sold by HD Electric Company (the "Products"); provided, however, that the term Products does not include any third party products purchased through HD Electric Company, for which no warranties are made (the "Third Party Products"). Third Party Products may be subject to a separate manufacturer's warranty;...
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