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Limited Warranty

The DM397 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.
This warra n ty covers normal use and does not cover damage which occurs in shipment or 
failure which results from alteration, tampering, accident, misuse, abuse, neglect or improper
maintenance. Batteries and consequential damage resulting from failed batteries are not 
covered by warra n ty. 

Any implied warranties, including but not limited to implied warranties of merchantability
and fitness for a particular purpose, are limited to the express warranty. UEi shall not be
liable for loss of use of the instrument or other incidental or consequential damages,
expenses, or economic loss, or for any claim or claims for such damage, expenses or 
economic loss. A purchase receipt or other proof of original purchase date will be required
before warra n ty repairs will be rendered. Instruments out of warra n ty will be repaired (when
r e p a i rable) for a service charge. Return the unit postage paid and insured to:

1-800-547-5740 • FAX: (503) 643-6322

Service: (800) 308-7709

www.ueitest.com • Email: [email protected]

This warranty gives you specific legal rights. You may also have other rights which vary from
state to state.

DM397

True RMS Digital Multimeter

Copyright © 2004 UEi      

DM397-MAN  12/04

Summary of Contents for DM397

Page 1: ...1 800 547 5740 Fax 503 643 6322 www ueitest com email info ueitest com DM397 INSTRUCTION MANUAL...

Page 2: ...ng measurements Always grip the leads behind the finger guards molded into the probes Use a current clamp adapter when measuring current that may exceed 10 amps See the accessories in UEi s full line...

Page 3: ...menu Access to resistance measurement continuity test and capacitance measurement Conductance 1 is also dis played in the secondary display when measuring resistance Diode measurement Forward bias vol...

Page 4: ...User Friendly Rotary Switch Selections DM397 MAN P 3...

Page 5: ...lection buttons to edit the desired reference value and then press the menu button 4 for EXIT For subsequent readouts the programmed reference value is subtracted from the actual measurement The progr...

Page 6: ...ys to select a number between 1 and 60 Press the EXIT menu key for the next setup selection Enable or Disable The Power Saving Mode Beep Alert The meter displays PALt in the secondary display OFF or O...

Page 7: ...mes a resistance of 600 in making this calculation This resistance can be set for any value from 1 to 1 999 by using the setup menu selection buttons When measuring dB V the reference voltage can be s...

Page 8: ...u measure negative duty cycle a symbol shows in the secondary display Measure Positive Duty Cycle Pulse Width Measurement The pulse width measurement function allows you to measure the amount of time...

Page 9: ...appropriate resistance load Use the diode test to check diodes transistors silicon controlled rectifiers SCRs and other semiconductor devices The test sends a current through a semiconductor junction...

Page 10: ...uto Power Off The auto power off feature has two steps The first step has the meter automatically go to the power saving mode to extend the battery life after approximately 15 minutes with no activity...

Page 11: ...ble If the meter s V input terminal has been subjected to high voltage transients caused by lightning or switching surge to the system under test by accident or abnormal operating conditions a series...

Page 12: ...of 1 millisecond Close case calibration No internal adjustment necessary Batter fuse access door Battery or fuse replaceable without voiding calibration High impact over molded case Protective featur...

Page 13: ...l Mode Rejection Ratio NMRR is the DMM s ability to reject unwanted AC noise effect which can cause inaccurate DC measurements NMRR istypically specified in terms of dB decibel This meter has a NMRR s...

Page 14: ...alculate the change in indication or output of an instrument with changes in temperature Un compensated changes in temperature con tribute uncertainty by an amount determined by the temperature coeffi...

Page 15: ...o implied warranties of merchantability and fitness for a particular purpose are limited to the express warranty UEi shall not be liable for loss of use of the instrument or other incidental or conseq...

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