UNI-T UT81B Dokumentacja

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[email protected] 10 z Press Time button under scope mode, the corresponding functional button: Base ▲ Base ▼ Base <

[email protected] 11 B. Digital Multimeter Mode i.Measuring Voltages Warning To avoid harms to you or damages to the Meter

[email protected] 12 II. Measuring Currents Warning If the fuse burns out during measurement, the Meter may be damaged or the

[email protected] 13Black Red Figure 3-4. mA Range Measurement 1. Insert the red test lead into the μAmA terminal and black

[email protected] 14 5. Press MODE button to toggle between Multimeter mode and Scope mode. 6. Press F1 to toggle between AC

[email protected] 15 When measuring resistance, the corresponding functional buttons: RES REL Rang ▲ Rang ▼ F1

[email protected] 16 1. Insert the red test lead into the Ω terminal and the black test lead into the COM terminal. 2. Set

[email protected] 17 4. The tested circuit overload resistance value shows on the display. 5. The beeper comes on continuous

[email protected] 18 Note z The requirement of Input amplitude “a” is as follows: When ≤1MHz: 300 mV≤a≤30Vrms; ＞1MHz: 600

[email protected] 19 z When capacitance measurement has been completed, disconnect the connection between the testing leads a

[email protected] 2Tableofcontents Before You Start ...

[email protected] 20 取下電池蓋: Remove the battery compartment 取下產品後殼: Remove the case bottom 按需要更換保險絲: Install fuses with correct

[email protected] 21 Warning To avoid false readings, which could lead to possible electric shock or personal injury, repla

[email protected] 22 General Specifications (Multimeter) Range When it is under Multimeter mode, you could select either aut

[email protected] 23 Basic Specifications (Scope) Horizontal Vertical Sampling rate 40M per second Bandwidth 8MHz Sampling ra

[email protected] 24 Remarks: z Frequency Response: 40Hz ~ 400Hz z Displays effective value of sine wave (mean value response)

[email protected] 25 E. Resistance RangeResolution Accuracy Overload Protection 400Ω 0.1Ω ±(1.2%+5) 250VDC or AC rms 4kΩ1Ω

[email protected] 26 ii. Under Scope mode The specification is same as Hi. Under Multimeter mode, press RANGE button to togg

[email protected] 3 Before You Start Overview This Operating Manual covers information on safety and cautions. Please read t

[email protected] 4 Safety Information This Meter complies with the standards IEC61010 safety measurement requirement: in pol

[email protected] 5 International Electrical Symbols Symbols used on the Meter and in this manual are explained in Table1-2.

The Me The Figu 1. LCD2. Func3. Rota4. COM5. mAμ eter Structre 2-1 showsD Display ctional Buttoary Switch M Input TermμA Input Termture s the M

6. Othe7. Pow8. USB9. 10A Functio The buttonTable 2-2.ButF1, RanTimTrigAutModSetSavHol er Input Termwer adaptor InB Terminals Input Termin

[email protected] 8 Making Measurement Introduction Chapter 3 explains how to make measurements. You could turn the Meter

[email protected] 9 ii. ACV, DCV, Hz, ACA and DCA range Turn the rotary switch to ACV, DCV, Hz, ACA or DCA range, the Meter