Uei-test-instruments DL235 Manual de usuario

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WARNING!Under no circumstances should you expose batteries to extreme heat orfire as they may expose and cause injury.7. Place a fresh 9V battery in t

Technical DataDL235-MAN P. 10Display Digital - 4000 counts (3 3/4 digits)[Hz: 9999 count], updates 4 times/sec.Analog - updates 20 times/sec. 41 s

Limited WarrantyThe DL235 is warranted to be free from defects in materials and workmanship for a period offive years from the date of purchase. If wi

• Always disconnect the live test lead before disconnecting the common test lead from a circuit• When measuring high voltage, disconnect the power sou

LCD Display Functional Description14. Soft Cre s t : Select “SOFT” for a running 3-second average, orCREST half cycle peak amperes.15. AC/DC: Selects

33. AC: Alternating current or voltage.34. : A u t o m a t i c ally indicate negative digital displays.35. Auto: Displayed when autoranging controls b

Zero Adjustment by the MicroprocessorTo initiate the zero adjustment procedure, press the “HOL D ” push-buttonfor 2 seconds. Then, th meter beeps and

DL235-MAN P. 5The resistance in the test leads can diminish accura c y on the lowest (400-ohm) range. The error is usually 0.1 to 0.2 ohms for a s

DL235-MAN P. 6To stop recording, use the “HOLD” push-button. Then, “RECORD” nolonger blinks, and the values of MIN, MAX, and AVG are frozen. Press

DL235-MAN P. 7The electrical system designer must consider the following 3 issues whenhe designs a power distribution system containing harmonic c

DL235-MAN P. 8Distribution TransformersYou can measure excessive current, load balance between phases, TrueRMS and frequency of neutral current. T