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5

Range mode, press the button once, the range is switched to the higher
one, press the button again to switch the range to the lowest one when
measuring the highest range, the cycle is in proper order from low to
high. Keep pressing the button for 2 sec., return to Auto Range mode.

4.Knob Switch

Change the measuring

function and range

5.Input Terminals

5.1.Current

Voltage

Diode

Resistance

Buzzer

Temperature“-”Input terminal.

5.2.10A“+”input terminal.

5.3.Voltage

Diode

Resistance

Buzzer

Temperature and Current

less than 200mA“+” input terminal.

五、

Other

Other

Other

Other

Functions

Functions

Functions

Functions

Stop working for 15 seconds during measurement, the instrument will be
auto power off (sleeping mode) to save the power; in the auto power offer
mode, press any function button or change the knob switch, the instrument
will get into the auto power on mode (working mode); the auto power offer
mode will be cancelled by pressing the HOLD button to turn on the
instrument.

六、

Property

Property

Property

Property

1

1

1

1

General

General

General

General

Property

Property

Property

Property

1-1

Display

LCD

1-2

Max Display

1999

3 1/2

counts automatic polarity display and unit

display

Summary of Contents for 81A

Page 1: ...on Inspection Inspection 1 1 1 Safety Safety Safety Note Note Note 2 2 2 Front Front Front Panel Panel Panel Button Button Button Function Function Function Description Description Description 4 4 4 O...

Page 2: ...digits microprocessor and dual integral A D converter which provide the high resolution high accuracy displaying driver Because of its outstanding functions the instrument is an excellent tool and mo...

Page 3: ...ements of the safety standard only to use the instrument with the equipped test leads If the test leads are broken should replace them by the same type and same electric specification test leads 4 Do...

Page 4: ...ectric shock and instrument damage 9 Do not measure any voltage when connecting the test leads with the current terminal to avoid damaging the instrument and endangering the safety of the users 10 Do...

Page 5: ...2 SELECT Function Switch Press the button DC AC mode performance switch 3 3 HOLD Data Hold Press the button the reading is locked press the button again the lock is cleared 3 4 RANGE Auto Manual Rang...

Page 6: ...Resistance Buzzer Temperature and Current less than 200mA input terminal Other Other Other Functions Functions Functions Stop working for 15 seconds during measurement the instrument will be auto powe...

Page 7: ...11 Weight Approx 185g Including 2pcs 1 5Vbatteries 1 12 Accessories 1pc operation manual Holster 1pc gift box 1 set 10A lest leads 1pc K Type Temperature Probe TP01 only VICTOR81B and 2pcs 1 5 batter...

Page 8: ...to range mode is the original states it displays AUTO symbol Press RANGE button to switch to Manual range mode can select 200mV 2V 20V 200V 600V Range 6 Connect the test leads to the tested point the...

Page 9: ...n 200mV is much accurate and stable than the reading measured in the Range 4 Turn the knob switch to Range 5 Auto range mode is the original states it displays AUTO symbol Press RANGE button to switch...

Page 10: ...play Average value response RMS of sine wave 2 3 3 2 3 3 2 3 3 DCA DCA DCA 1 Insert the black test lead to the COM input terminal and red test lead to mA mA mA V V V input terminal max 200 mV or 10A i...

Page 11: ...rted The input value is exceeding the range limit the fuse will be melt even damage the instrument Max measurement voltage drop Full Range mA is 1 2V A is 100mV Max input current 10A less than 15 seco...

Page 12: ...L is displayed on LCD it indicates the tested current value has exceeded the present range limit please select the higher range to complete the measurement 3 Max input value is 200mA or 10A Depending...

Page 13: ...stance Note Note Note 1 Firstly users should select the auto range mode if users had no idea about the range of tested current and then select the proper range based on displaying value 2 If OL is dis...

Page 14: ...range press SELECT button to select the Diode measurement mode 3 Forward Measurement connect test leads with the diode under tested the red test lead connect to diode positive polarity the black test...

Page 15: ...de red pin into terminal put the working end mA mA mA V V V temperature measurement end of thermocouple on the surface or inside the object to be tested Then you can read temperature from the screen a...

Page 16: ...c place 3 Wipe the case with a damp cloth and detergent do not use abrasives and alcohol 4 If do not operate for a long time should take out the battery to avoid leakage 5 When symbol displays should...

Page 17: ...nual manual is is is regarded regarded regarded as as as correct correct correct error error error or or or omits omits omits Pls Pls Pls contact contact contact with with with factory factory factory...

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