Extech Instruments EX650 Скачать руководство пользователя страница 8 | Manualshive

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Extech Instruments EX650 Скачать руководство пользователя страница 8

EX65x

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GB_V1.6

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Display

Icon

Descriptions

for

EX655

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Fig

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EX655

METER

DISPLAY

1.

High

voltage

2.

Battery

status

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Relative

mode

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Auto

power

off

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Data

hold

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Units

of

measure

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Direct

Current

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Alternating

Current

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Diode

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Continuity

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Automatic

range

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Low

Impedance

mode

(Lo

Z)

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Inrush

Current

(Surge)

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Maximum

and

Minimum

memory

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Non

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Contact

Voltage

Detector

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Low

Pass

Filter

(LPF)

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Temperature

units

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Bargraph

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Содержание EX650

Страница 1: ...USER GUIDE 600A True RMS Digital Clamp Meters EX650 Series EX650 True RMS 600A AC Digital Clamp Meter EX655 True RMS 600A AC DC Clamp Meter with Temperature Inrush and Low Pass Filter ...

Страница 2: ...nts 15 Current Measurements Using the Clamp 16 µA AC DC Current Measurements using Test Leads 18 Non Contact Voltage Detector 19 Resistance Measurements 20 Continuity Measurements 22 Capacitance Measurements 23 Frequency Measurements EX655 25 Diode Test 26 Temperature Measurements EX655 only 27 Extended Functionality Modes 28 Inrush Current Mode EX655 only 28 DCA ZERO EX655 only 29 MAX MIN Mode 29...

Страница 3: ...s of reliable service Please visit our website www extech com to check for the latest version of this User Guide Product Updates Product Registration and Customer Support Features 6000 count digital display 60 segment analog bar graph display on EX655 model Large backlit LED display True RMS AC measurements Lo Z mode eliminates ghost voltage readings on non energized circuits Auto and Manual Range...

Страница 4: ...etween terminal and ground to prevent electrical shock and damage to the Clamp meter Use caution working with voltages above 30 VAC RMS 42 VAC peak or 60 VDC These voltages pose a shock hazard To avoid misleading readings that could lead to electric shock and injury replace the batteries as soon as the low battery indicator is displayed Disconnect power to the circuit under test and discharge all ...

Страница 5: ...LLATION CATEGORY OVERVOLTAGE CATEGORY I Equipment of OVERVOLT AGE CATEGORY I is equipment for connection to circuits in which measures are taken to limit the transient over voltages to an appropriate low level Note Examples include protected electronic circuits OVERVOLTAGE CATEGORY II Equipment of OVERVOLTAGE CATEGORY II is energy consuming equipment to be supplied from the fixed installation Note...

Страница 6: ...mp 5 Rotary function switch 6 Max Min button 7 Relative DCA Zero and Inrush button DCA Zero Inrush on EX655 only 8 LCD multi function display with backlighting 9 Positive input terminal 10 Common input terminal 11 Mode M and LPF low pass filter button LPF on EX655 only 12 Backlight and Hold button 13 Jaw Trigger 14 Work Light Note Battery compartment on back of meter Fig 3 1 METER DESCRIPTION ...

Страница 7: ...R 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 ...

Страница 8: ...h 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 Inrush Current Surge 14 Maximum and Minimum memory 15 Non Contact Voltage Detector 16 Low Pass Filter LPF 17 Temperature units 18 Bargraph ...

Страница 9: ...peration is only available for DC voltage AC Current Resistance and Capacitance In DC Mode press to zero the display EX655 only When the EX655 is in the ACA mode press and hold to access the Inrush mode Press to access the MIN MAX mode The MAX icon will appear along with the stored highest reading Press again to view the minimum reading stored MIN icon displayed Continue to use the button in this ...

Страница 10: ...tton to choose AC or DC 8 AC DC 600A Current mode use MODE button to choose AC or DC 9 Non Contact Voltage Detect position with alert LED Fig 3 5 b Function Switch Description EX650 1 Low Impedance mode for AC Voltage measurements 2 Meter POWER OFF position 3 AC DC Voltage use MODE button to choose AC or DC 4 Capacitance Continuity Diode Resistance modes use MODE button to choose mode 5 600µA AC D...

Страница 11: ...ower OFF The meter will enter sleep mode after 15 minutes of inactivity Press the Mode button to awaken the meter To defeat this feature follow the steps below 1 With the meter OFF press and hold the M MODE button and while continuing to hold turn the rotary function switch to any position to power ON the meter 2 The EX650 will beep five times indicating that APO has been disabled The EX655 will b...

Страница 12: ...ircuit or device under test connect the black lead before the red when removing the test leads remove the red before the black lead Disconnect probes and circuit under test after all measurements are completed The meter displays a high voltage warning prompt when the voltage measured is 30VAC The instrument will automatically beep and show the high voltage warning prompt flashing if the voltage in...

Страница 13: ...displays the measurement type unit symbols and other relevant multifunction icons 6 Use the M button to view the frequency Hz of the measured voltage EX655 only Important note Wait until the meter is setup and actively measuring the voltage signal before accessing the Hz measurement mode 7 Note the voltage alert symbol when voltage is present 8 The meter is capable of detecting AC voltages to 750V...

Страница 14: ...e test lead probe covers 5 Touch the test probe tips to the circuit under test Be sure to observe the correct polarity red lead to positive black lead to negative 6 Read the digital value and the bar graph representation EX655 of the measurement in the display The display will also indicate the proper decimal point Auto Range and measurement type units symbols If the polarity is reversed the displ...

Страница 15: ...uide for Safety information and connection diagrams The Lo Z impedance is approx 3kΩ 1 Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the positive V Ω jack 2 Move the Function Switch to the Lo Z position 3 Touch the test probe tips to the AC circuit under test Be sure to observe the correct polarity red lead to positive black lead to negati...

Страница 16: ...ore clamping onto a conductor 4 Press the trigger to open the clamp jaws Fully enclose only one conductor in the jaws Refer to Fig 4 3 For optimum results center the conductor in the jaws 5 Read the current measurement in the display represented by numerical digits and the 60 segment bar graph on the EX655 The display will indicate the proper decimal point and value In DC EX655 when the polarity i...

Страница 17: ...ng is positive in the measurement of DC current the direction of current is from top to bottom meter faceplate is the top and the meter back is the bottom In order to ensure measurement accuracy the conductor measured must be positioned in the middle of the clamping area otherwise additional error of reading of 1 0 typical will be generated The accuracy of non sinusoidal waves must be adjusted as ...

Страница 18: ...hat micro amperes are being measured 3 The meter display will show AC or DC use the M button to select AC or DC 4 Current measurements must be taken in series with the circuit under test See accompanying diagram 5 Touch the black test lead to the negative side of the circuit and the red test lead to the positive side of the circuit 6 Read the current measurement in the display represented by the n...

Страница 19: ...of the audible beeper the flashing of the LED lamp and the number of dashes displayed If the meter does not emit a tone or flash the LED in this mode there is still the possibility that voltage is present please use caution 1 Turn the function switch to the NCV position to select Non Contact Voltage Detect mode 2 Note that EF is displayed when in this mode If the EF does not display when the funct...

Страница 20: ...the Ω position 3 Use the M button to select the Ω icon on the display indicating resistance only without the continuity diode capacitance icons showing 4 Touch the test probe tips across the circuit or part under test It is best to disconnect one side of the part under test so the rest of the circuit will not interfere with the resistance reading 5 Read the resistance value in the display The disp...

Страница 21: ...to obtain accurate readings Short the test leads together press the REL button and then measure a low resistance The meter subtracts the short circuit value from the reading If the test lead resistance of probe is 0 5Ω when shorted inspect the test leads and the connection It may take several seconds for the reading to stabilize when measuring resistance 1MΩ This is normal operation For personal s...

Страница 22: ...s the wire or circuit under test 5 If the resistance is 30 Ω the beeper will sound continuously For an open circuit condition the meter will display OL Fig 4 7 CONTINUITY MEASUREMENTS Continuity Measurement Notes Turn off power to the circuit under test and discharge capacitors before measuring continuity Open circuit voltage is approx 3 5V Continuity measurement range is 600Ω For personal safety ...

Страница 23: ... negative COM jack and the red test lead banana plug into the positive jack 3 Press the M button to select the unit of measure symbol F 4 Touch the test probe tips across the part under test 5 Use the Relative mode to compare measurements to a saved known capacitance value See the dedicated Relative mode instructions in this user guide for more detail 6 Read the capacitance value in the display ba...

Страница 24: ...capacitance measurement mode Capacitance measurements 600μF may require several seconds to obtain a stable reading In order to ensure measurement accuracy discharge residual charges before measuring capacitance Use maximum safety when working with high voltage capacitors to prevent damage to the instrument and risk to personal safety Disconnect test leads and circuit under test after measurements ...

Страница 25: ...t under test 4 Read the Frequency value in the display The display will indicate the proper decimal point and value 5 To read the frequency of a voltage signal being measured by the meter refer to the AC Voltage Measurements section of this guide Fig 4 9 FREQUENCY MEASUREMENTS Frequency Measurement Notes Sensitivity 100kHz 100mVrms input amplitude 20Vrms 100kHz 1MHz 200mVrms input amplitude 20Vrms...

Страница 26: ...de test mode 3 Touch the test probe tips to the diode or semiconductor junction under test Note the meter reading 4 Reverse the test lead polarity by reversing the red and black leads Note this reading 5 The diode or junction can be evaluated as follows If one reading displays a value typically 0 5V to 0 8V for silicon PN junction and reverse reading displays OL the diode is good If both readings ...

Страница 27: ...se the temperature units o C o F 4 Touch the temperature probe tip to the device under test or leave the temperature probe in the open air to measure ambient temperature 5 Read the temperature measurement on the display C F Fig 4 11 TEMPERATURE MEASUREMENTS Temperature Measurement Note The ambient temperature of the meter should be in the range of 18 o C to 28o C 64o F to 82o F otherwise temperatu...

Страница 28: ...able when measuring AC current 1 Connect the meter clamp to the unpowered circuit under test 2 Set the meter to the position 3 Use the MODE button to select AC 4 Press and hold the INRUSH button to enable the Inrush current mode The word RUSH will display briefly in the area of the display where the readings are shown The icon SURGE will appear on the lower portion of the LCD while in this mode 5 ...

Страница 29: ...and displays the Maximum and Minimum readings and updates only when a higher or lower value is registered 1 Press the MAX MIN button to access this mode 2 The MAX icon will appear and the displayed reading will represent the highest reading encountered since the MAX MIN button was first pressed 3 Press the MAX MIN button again The MIN icon will appear and the displayed reading will represent the l...

Страница 30: ...bed in the Voltage or Current sections of this guide 4 Press and hold the LPF button again to exit this mode The LPF display icon will switch off and the meter will return to the normal operating mode Relative Mode In Relative mode a reference reading can be stored with which to compare subsequent readings Press the button to store the displayed reading in memory this reading is now the reference ...

Страница 31: ...is not to be used for 60 days or more remove the battery and store separately Do not mix battery types or freshness levels please use batteries of the same type and of the same freshness level Never dispose of used batteries or rechargeable batteries in household waste As consumers users are legally required to take used batteries to appropriate collection sites the retail store where the batterie...

Страница 32: ...icable to 10 100 of range Frequency response 50 60Hz Accuracy value increases 5 typical when measuring varying frequency for non sinusoidal wave EX655 Inrush measurement accuracy is not specified Inrush measurements are offered for reference purposes only DC Current 60 00 A 0 01 A 2 5 5 digits 600A 600 0 A 0 1 A Use ZERO to null display before taking a measurement AC Voltage 6 000V 0 001V 1 2 5 di...

Страница 33: ... Silicon PN junction 0 5 to 0 8V typically 1000V DC 750V AC Open Circuit Voltage Approx 3 3V Capacitance EX650 99 99nF 0 01 nF 4 0 25 digits 1000V DC 750V AC 999 9nF 0 1 nF 4 0 5 digits 9 999 µF 0 001 µF 99 99 µF 0 01 µF 999 9 µF 0 1 µF 9 999 mF 0 001 mF 10 59 99 mF 0 01 mF For reference only Capacitance EX655 60 00 nF 0 01 nF 4 0 25 digits 1000V DC 750V AC 600 0 nF 0 1 nF 4 0 5 digits 6 000 µF 0 ...

Страница 34: ...1832 o F 2 0 10 digits Does not include accuracy of the temperature probe Accuracy specifications assume surrounding temperature stable to 1o C For ambient temperature changes of 5o C rated accuracy applies after 2 hours of stabilization time Non Contact Voltage Detector NCV 100Vrms 10mm LED Buzzer indication The tip of the meter offers the optimum sensitivity ...

Страница 35: ...s displayed Auto Power OFF After 20 minutes can be disabled by holding the M MODE button while turning the meter ON Operating Temperature and Humidity 0 30 C 32 86 F 80 RH maximum 30 40 C 86 104 F 75 RH maximum 40 50 C 104 122 F 45 RH maximum Storage Temperature and Humidity 20 60 C 4 140 F 80 RH maximum with battery removed Operating Altitude 2000m 6562 Battery power 3 x 1 5V AAA alkaline batteri...

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