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EX655
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EXTECH EX655 [7/35] 3 4 5 6

EX65x‐en‐GB_V1.67/16

DisplayIconDescriptionsforEX650

1234 5 6

12 13

14 15 16

Fig3‐2EX650METERDISPLAY

1. Highvoltage

2. Batterystatus

3. Relativemode

4. Autopoweroff

5. Datahold

6. Unitsofmeasure

7. DirectCurrent

8. AlternatingCurrent

9. Diode

10. Continuity

11. Automaticrange

12. LowImpedancemode(LoZ)

13. MaximumandMinimummemory

14. Non‐ContactVoltageDetector

15. Low

PassFilter(LPF)

16. Temperatureunits



Содержание

Ex650 series 1
User guide 600a true rms digital clamp meters 1
Table of contents 2
Features 3
Introduction 3
Cautions 4
Cautions identify conditions and actions that could cause damage to the meter or equipment under test do not expose the meter to extremes in temperature or high humidity 4
Safety information 4
To ensure the safe operation and service of the meter follow these instructions closely failure to observe warnings can result in severe injury 4
Warnings 4
Warnings identify hazardous conditions and actions that could cause bodily harm or death 4
Ac measurement ac measurement 5
Conforms to eu directives conforms to eu directives 5
Dc measurement dc measurement 5
Do not discard this product in household trash do not discard this product in household trash 5
Earth ground earth ground 5
Equipment protected by double or reinforced insulation equipment protected by double or reinforced insulation 5
Fuse symbol fuse symbol 5
Low battery symbol low battery symbol 5
Per iec1010 overvoltage installation category 5
Risk of electrical shock risk of electrical shock 5
Safety symbols that are typically marked on meters and instructions 5
This symbol adjacent to another symbol indicates the user must refer to the manual or user guide for further information 5
Unsafe voltage alert unsafe voltage alert 5
Descriptions 6
Fig 3 1 meter description 6
Meter description ex655 pictured 6
13 14 15 16 7
3 4 5 6 7
Display icon descriptions for ex650 7
Fig 3 2 ex650 meter display 7
13 14 15 16 17 8
3 4 5 6 8
Display icon descriptions for ex655 8
Fig 3 3 ex655 meter display 8
Fig 3 5 a function switch description ex655 10
Fig 3 5 b function switch description ex650 10
Disable auto power off 11
Display backlight 11
Operation 11
Powering the meter 11
Work light 11
Data hold 12
Test lead considerations 12
Voltage measurements 12
Ac hz ex655 13
Ac voltage measurements 13
Dc voltage measurements 14
Lo z ac voltage measurements 15
Current measurements using the clamp 16
Fig 4 3 correct and incorrect clamping 16
Current measurement considerations 17
Μa ac dc current measurements using test leads 18
Non contact voltage detector 19
Resistance measurements 20
Resistance measurement notes 21
Continuity measurement notes 22
Continuity measurements 22
Capacitance measurements 23
Capacitance measurement notes 24
Frequency measurement notes 25
Frequency measurements ex655 25
Diode test 26
Temperature measurement note 27
Temperature measurements ex655 only 27
Extended functionality modes 28
Inrush current mode ex655 only 28
Dca zero ex655 only 29
Max min mode 29
Low pass filter lpf ex655 only 30
Relative mode 30
Battery replacement 31
Cleaning and storage 31
Maintenance 31
Ac current 32
Ac voltage 32
Ac voltage loz 32
Ac voltage lpf 32
Dc current 32
Dc voltage 32
Electrical specifications 32
Function range resolution accuracy reading ol protection 32
Specifications 32
Capacitance ex650 33
Capacitance ex655 33
Continuity 33
Frequency ex655 33
Resistance 33
Μa ac 33
Μa dc 33
Non contact voltage detector ncv 34
Temp ex655 34
General specifcations 35
Www extech com 35

EXTECH EX655 [7/35] 3 4 5 6

Содержание

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