UNI-T UT30B Spécifications

CONTENTSA. IntroductionB. Safety RulesC. International Electrical SymbolsD. FeatureE. SpecificationF. Operation PlateG. Make MeasurementH. Fu

E.Specification(3)Range ResolutionAccuracy200µA2000µA(2mA)20mA200mA10A100nA1µA10µA100µA10mAUT30B UT30C UT30D UT30F(1.2%+2)(2%+5)(1%+2) Ov

E.Specification(4)4. AC Current(Only UT30F)Overload Protection: 0.3A/250V fuse, No fuse at 10A,measuringtime limit is equal to or less than 10 seconds

E.Specification(5)5. ResistanceRange ResolutionAccuracy200Ω2000Ω(2kΩ)20kΩ200kΩ2MΩ20MΩ0.1Ω1Ω10Ω100Ω1kΩ10kΩUT30B UT30C UT30D

E.Specification(6)6. Temperature(Only UT30C)RangeResolutionAccuracy (1%+3)-40 oC 150 oC150 oC 1000 oC (1.5%+15)1 oC1 oC13Model UT30B/C/D/F: OPERAT

E.Specification(7)Overload Protection: 230V(AC / DC current)Input Sensitivity: (10Hz- 1MHz) 500m V; (1MHz-10MHz) 1V.MAX input scop

E.Specification(8) No overload protection for this range; make sure voltageoutput of calibrated equipment is less than 10V to avoid damages to theMete

F.Operation Plate Overload Protection: 230V(DC/ AC current),OnlyOperation Plate(see figure 1)1. Liquid Crystal Display2. Data hold or backlight se

G.Make Measurements(1)First, set rotary switch to proper position. When the battery is low,“ ”willappear on LCD. Second, the “” symbol beside the in

1) Never measure voltage value exceeding 500V, although it is possible to get the reading. This may cause damages to the internal circuit and

G.Make Measurements(3)2. AC Voltage Measurement (see figure 3) Same as DC voltage measurement.(figure 3)19Model UT30B/C/D/F: OPERATING MANUAL

Summary of UT30 Series DMMA.IntroductionUT30 series Multimeter is 3 1/2 digits with steady operations,fashionablestructure and highly reliable hand-h

3. DC Current Measurement(see figure 4)1) Do not measure when value between open voltage and earth is exceeding safety voltage 60V because it m

2) Before measurement, cut off the power to the object to be measured and inspect if input terminal or rotary switch is set to the right range

Same as DC current measurementG.Make Measurements(6)(figure 5)4. AC Current Measurement(Only for UT30F)(see figure 5)22Model UT30B/C/D/F: OPERATING

G.Make Measurements(7)5. Resistance Measurement (see figure 6)(figure 6)1) To avoid damages to the Meter when measuring resistance, cut off the

G.Make Measurements(8)6. Diode measurement (see figure 7)(figure 7)1) Avoid damages to the meter. When measuring diode, cut off the power sup

G.Make Measurements(9)7. Transistor hFE Measurement (see figure 8)1) Check that the transistor is PNP or NPN type.2) Connect the transistor t

G.Make Measurements(10)8. Temperature Measurement:(Only for UT30C)(see figure 9)1) Insert the black K type thermocouple (P/N:41700103) into “CO

G.Make Measurements(11)9. Square Wave Output:(Only UT30D) (see figure 10)1) To avoid damages to the meter, do not let output terminal reach

G.Make Measurements(12)10. Frequency Measurement (Only for UT30F)(see figure 11)1) Do not input voltage over 230V RMS to avoid damages to the m

1) Turn the rotary switch to OFF position,and remove the test leads from terminals.2) Remove two rubber feet and two screws from the bot

B. Safety Rules(1)CAUTION-FOR CONTINUED PROTECTION AGAINST FIRE, REPLACEONLY WITH FUSE OF THE SPECIFIED VOLTAGE AND CURRENTRATINGS.l Do not operate t

** END **This operating manual is subject to change without notice.I.Accessories1) Operating manual2) Test leads3) Thermocouple(Only for UT30C)3

31Model UT30B/C/D/F: OPERATING MANUAL

Copyright 2001 Uni-Trend International Limited.All rights reserved.Manufacturer:Uni-Trend International LimitedRm901, 9/F, Nanyang Plaza57 Hung To Roa

l Make sure to replace right type and right rating fuse.l Do not operate or store the Meter under high temperature or humid condition.l Do not ch

C. International Electrical SymbolsLow Battery Earth GroundWarning Double InsulationAC current DiodeDC current BuzzerFuse AC or DC5Model UT30B/C/D/F:

D.General Specifications(1)1. The maximum voltage, between any terminal and earth, is 600Vrms. A . The“COM”input terminal is always connected

D.General Specifications(2)6. Temperature: Operating: 0oC-40oC (32 oF-104 oF) Storing:-10oC-50oC (14 oF -122 oF)7. Altitude: Operat

E.Specification(1)Accuracy: (a% reading + b digit), which guarantee one year.Environmental Temperature:23 oC 5oCRelative Humidity: <75% Input

E.Specification(2) 2. AC Voltage Input Impedance: (approx. 5MΩ ) of UT30B\C\D, but all ranges ofUT30F are 10MΩ .Frequency: 40-400HzDisplay: RMS of Si