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Summary of Contents for UEi DM420
- Page 1 INSTRUCTION MANUAL DM420 1-800-547-5740 • Fax: (503) 643-6322 www.ueitest.com • email: info@ueitest.com...
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Page 2: International Symbols
The DM420 combines the best features of the DM383 and DM410 with a • Keep your fingers away from the test lead metal probe contacts wide capacitance range. This new feature allows measurement of run and and bus-bars when making measurements. -
Page 3: Operating Instructions
(in parallel). This can 7. Disconnect power to the circuit before removing the test leads from cause damage to the circuit under test or the DM420. the circuit. 1. Set function and range switch to the desired DC A range. If you do... - Page 4 3. Connect the test leads to the circuit to be measured. may end up in equipment and or instrument damage. 4. The DM420 will emit a continuous tone for resistance of less The resistance measuring circuit applies a known value of constant than 90 ohms.
- Page 5 This is because the DMM does not supply enough power to the instrument. turn these diodes on. UEi offers an accessory test lead, model ATL60, that boosts the power output so that microwave diodes can be ade- 2. Remove the screws in the rear of the instrument and separate the quately tested.
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Page 6: Digital Multimeter
Digital Multimeter Limited Warranty The DM420 is warranted to be free from defects in materials and workmanship for a period of five years from the date of purchase. If within the warra n ty period your instrument should become inoperative from such defects, the unit will be repaired or replaced at UEi’s option.
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