Uni-Trend UT51 Spezifikationen

ContentsA Your Meters FeatureB SpecificationsC Making MeasurementsD MaintenanceE AccessoriesF Using HolsterG Using StrapIntroductionOne kind of

C. Making Measurements“ ”“ ”1 On/Off Switch 2 Capacitance jack3 Liquid Crystal Display 4 Temperature jack5 Rotary sw

Caution“ ”“ ”“ ”“ ”“ ”“ ”Caution“ ”“ ”“ ”“ ”Model UT51-55: OPERATING MANUAL 11

“ ”“ ”Caution“ ”“ ” “ ” “ ” “ ”1) Please refer to DC Current Caution 1, 2, 3.Caution“ ”Model UT51-55: OPERATING MANU

“ ”C-5 Measuring Resistance“ ”“ ”Caution“ ”“ ”C-6 Measuring CapacitanceBefore measuring capacitance, remember it takestime for zeroing whe

C-7 Measuring Frequency “ ” “ ” “ ” “ ” “ ” “ ”Model UT51-55: OPERATING MANUAL 14

15D. MaintenanceI. General Service “ ” “ ” “ ” “ ”Model UT51-55: OPERATING MANUAL

2. Turn the Meter power OFF3. Remove the holster from the Meter.4. Remove rubber feet and screws from the case bottom, and separate the case bo

F. Using HolsterThree different ways to use holster:1. Set holster parallel on the table, do not open the tilt stand (see diagram 1).2. Set

~ END ~ * The manual is subject to changes without separate notice. *G. Using Strap1. Put the front end of the strap through the round metal o

19Model UT51-55: OPERATING MANUAL

Safety Rulesl Do not operate the Meter before the cabinet has been closed and screwed safely as terminal can carry voltage.l Make sure befor

Manufacturer: UNI-TREND TECHNOLOGY(DONG GUAN)LIMITEDAddress: Dong Fang Da Dao, Bei Shan Dong Fang Industrial Development District, Hu Me

l Replace the battery as soon as the battery indicator " " appears. With a low battery, the Meter might produce false readings

A. Your Meters Featurel 32 ranges.l Liquid Crystal Display, digits height is 27mm.l Overload display l.l Maximum display 1999 (3 1/2 digit).l Full r

B. SpecificationsAccuracy is specified for one year after calibration,at operating temperatures 23oC +/- 5oC, with relativehumidity at < 75%.Accur

B-3 Direct Current Current (DC Current)Overload protection:20µA200µA2mA20mA200mA2A10A20A0.01µA0.1 µA1 µA10µA100 µA1mARange ResolutionUT51 UT 52 UT53

7B-4 Alternating Current Current (AC Current)200µA2mA20mA200mA2A10A20A0.1µA1µA10µA100 µA1mARangeResolutionUT51 UT 52 UT53 UT54 UT55Accuracy(1%+3)(

B- 6 CapacitanceTesting signal: around 400Hz 40mVrmsRange ResolutionUT51 UT 52 UT53 UT54 UT55Accuracy(4% +3)2nF20nF200nF2µF20µF1pF10pF100pF1nF10nF

Overload protection: 250V DC or AC RMS.B-10 Transistor hFE testCommentMeasuring ConditionRangehFECan measure NPN orPNP transistor hFE.Range: 0-1000βBa