Model UT90B: OPERATING MANUAL1Table of ContentsTitle PageOverviewUnpacking InspectionSafety InformationRules For Safe OperationInterna
Model UT90B: OPERATING MANUAL10B. AC/DC Current Measurement (see figure4)WarningTo avoid damages to the built-in fuse and theMeter, please do not atte
Model UT90B: OPERATING MANUAL11z Please use the ranges from high to low if the current not being confirmed.z When current measurement has been
Model UT90B: OPERATING MANUAL12capacitors.z The test leads can add 0.1Ωto 0.2Ω of errorto resistance measurement. To obtainprecision readings in low-
Model UT90B: OPERATING MANUAL13junction, then measures the voltage drop acrossthe junction. A good silicon junction dropsbetween 0.5V and 0.8V.To test
Model UT90B: OPERATING MANUAL14capacitors.z When diode testing has been completed,disconnect the connection between thetesting leads and the circuit
Model UT90B: OPERATING MANUAL15Notez To measure online capacity, please turn offpower of the circuit and discharge allcapacitors.z Open-circuit volt
Model UT90B: OPERATING MANUAL16 into the 9-12 Power plug to start the charge.3. Solar energy charge. Charge through the solar energy r
Model UT90B: OPERATING MANUAL17/second.z Range: Manual.z Polarity: Automatically display.z Over load indicator: “1”.z Battery Deficiency: Display .
Model UT90B: OPERATING MANUAL181000V 1V ±(0.8%+3)Remark:●Input impedance: 10MΩ.●Overload Protection: 1000V DC or 750V AC continuously measure(except 2
Model UT90B: OPERATING MANUAL19 AtµA mA range: Fuse 5×20mm F0.3A 250V. At A range: Fuse 6×25mm F20A 250V. continuous measure time10 seconds. ti
Model UT90B: OPERATING MANUAL2OverviewThis Operating Manual covers information onsafety and cautions. Please read the relevantinformation carefully an
Model UT90B: OPERATING MANUAL20●Overload Protection: 230V rms.F. Diodes TestRange Resolution Remark1mVOpen-circuitvoltage is about 3V;transistor PNno
Model UT90B: OPERATING MANUAL21when there is not any response on thedisplay during current measurement. Replacethe damaged fuse with identical modelnu
Model UT90B: OPERATING MANUAL22test, and service information.** END **This operating manual is subject to change withoutnotice.○CCopyright 2001 Uni-Tr
Model UT90B: OPERATING MANUAL3Item DescriptionQty1Operating Manual1 piece2Test Lead1 pair3 certificate1 pieceIn the event you find any missing or dama
Model UT90B: OPERATING MANUAL4WarningTo avoid possible electric shock or personalinjury, and to avoid possible damage to theMeter or to the equipment
Model UT90B: OPERATING MANUAL5all high-voltage capacitors beforetesting resistance, diodes or continuity.z Charge as soon as the Meter indicator
Model UT90B: OPERATING MANUAL6Grounding.Double Insulated.Deficiency of Built-In Battery.Warning. Refer to the OperatingManual.China Technology Superv
Model UT90B: OPERATING MANUAL7MV, V Voltage unit: millivolt, voltmA, mA, A Current unit: microampere,milliampere, ampereRotary SwitchBelow table indic
Model UT90B: OPERATING MANUAL8functional button operations.Button MeasuringFunctionOperation PerformedImpedancechangeoverbuttonAC/DCvoltagerangeIt is
Model UT90B: OPERATING MANUAL9The DC voltage ranges are: 200.0mV, 2.000V,20.00V, 200.0V, 1000V; The AC voltage rangesare: 2.000V, 20.00V, 200.0V, 750.
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