Megger AVO 830 Скачать руководство пользователя страница 34 | Manualshive

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AVO®830 and AVO®835

34

Measurements

To Measure the Frequency of the Current from Amp and mA Input

1. Repeat the procedure for 10 A or 100 mA.

2. Press

MODE

to toggle through AC, DC and Hz.

3. Make sure that

Hz

is shown on the display.

Three ranges are available (100 Hz, 1 KHz and 10 KHz).

4. If manual range is required, press

RANGE

repeatedly to scroll to a suitable range and resolution. Press and

hold

RANGE

to return to AUTO range.

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Содержание AVO 830

Страница 1: ...AVO 830 and AVO 835 True RMS Digital Multi Meter User Guide ...

Страница 2: ......

Страница 3: ...ion 10 Measurement Functions 10 Product Features 11 Overview 11 Function Buttons 12 Function Dial 13 Terminals 14 Display 15 Start up Overview 16 Start up and Shut down 16 Auto Power Off APO 16 Battery Status 16 Range Selection 16 Backlight 16 Measurements 17 Live Circuit Detection 17 Voltage Measurement 18 AC DC Description 19 Phase Rotation Sequence Detection 19 Resistance Measurement 20 Resista...

Страница 4: ...t 31 Milliampere Measurement 33 Maintenance 35 Batteries 35 Battery Status 35 Battery Replacement 35 Fuse Replacement 36 Clean the instrument 37 Technical Support 37 End of Life Disposal 38 WEEE Directive 38 Battery Disposal 38 Accessories 39 Optional and Replacement Accessories 39 Specifications 40 General Specifications 40 Technical Specifications 41 Repair and Warranty 43 Calibration Service an...

Страница 5: ...5 Conductance Measurement Set up 23 Fig 6 Capacitance Measurement Set up 24 Fig 7 Diode Test Set up 26 Fig 8 Forward Voltage Drop Across Semi conductor Junction 27 Fig 9 Frequency Measurement Set up 28 Fig 10 Temperature Measurement Set up 29 Fig 11 AC voltage Detection Set up 30 Fig 12 10 A Measurement Set up 31 Fig 13 100 mA Measurement Set up 33 Fig 14 Battery Replacement 35 Fig 15 Fuse Replace...

Страница 6: ...rument is used Megger reserves the right to improve the content of this User Guide from time to time without notice Megger reserves and retains the intellectual property rights of the content including the design text graphics and logos in this User Guide Any partial or complete reproduction or usage of the content is strictly prohibited For the latest version of this User Guide visit www megger c...

Страница 7: ...guards when they are in contact Always check that the correct instrument connections and range selection have been made before connection to the test subject Voltage or current that exceeds the instrument ratings can damage the instrument and present a shock or fire hazard Use caution when working with voltages above 30 VAC rms 42 VAC peak or 60 VDC These voltages present a shock hazard To avoid t...

Страница 8: ...e safely connected to circuits at the marked rating or lower The connection rating is that of the lowest rated component in the measurement circuit Warnings Cautions and Notes Warnings A Warning alerts the reader to situations where a hazard to personnel can occur They are placed before the event to which they relate and are repeated at each applicable occasion Cautions A Caution alerts the reader...

Страница 9: ... Risk of electric shock G Caution Refer to the User Guide AC Alternating Current or Voltage DC Direct Current or Voltage OL Overload Fuse Equipment complies with Australian Communications Media Authority ACMA requirements for Electro Magnetic Compatibility EMC Equipment complies with current EU directives Do not dispose of in the normal waste stream Earth Ground ...

Страница 10: ...y page 43 AVO830 Measures up to 600 V AC DC Category rating CATIV 600 V AVO835 Measures up to 1000 V AC DC Temperature measurement Category rating CATIV 600 V Category rating CATIII 1000 V Equipment Description AVO830 AVO835 Test Lead Kit n n Temperature Measurement Probe n AA Alkaline Battery n n Quick Start Guide n n Safety Warnings Sheet n n Warranty information n n Measurement Functions This i...

Страница 11: ...s Overview Hz CAT III 1000V CAT IV 600V COM FUSED 100mA V 10A Ω AVO835 RANGE MODE MIN MAX AVG REL REL Low Z HOLD Auto Hz Lo Hi OFF APO OFF Hz A Ω F C ac dc V Hz mA 1 2 3 4 No Details 1 Display page 15 2 Function Buttons page 12 3 Function Dial page 13 4 Terminals page 14 ...

Страница 12: ...ce for subsequent readings on the Secondary display The Primary display is a percentage of subsequent readings to stored reading Press and hold for two seconds to cancel VAC VDC AAC ADC Hz Ω Capacitor and Temperature measurement 5 HOLD Capture the current reading and show the value on the Secondary display The Primary display shows subsequent readings HOLD Auto Capture the current reading on the S...

Страница 13: ...PN junction of diode and transistor 3 Frequency Measurement page 28 4 Temperature Measurement page 29 5 AC Voltage Detection page 30 Detects live AC circuit in vicinity Hi or Lo sensitivity 6 Current Measurement page 31 AC measurements 0 0 A to 10 00 A DC measurements 0 0 A to 10 00 A AC Frequency 7 Milliampere Measurement page 33 AC measurements 0 0 mA to 100 00 mA DC measurements 0 0 mA to 100 0...

Страница 14: ...be to the circuit or the instrument Always remove the live probe first and then remove the common COM probe Hz CAT III 1000V CAT IV 600V COM FUSED 100mA V 10A Ω 1 2 4 3 No Description Details 1 V Voltage Resistance Diode Capacitance and Voltage Frequency 2 10 A 10 A current measurements and frequency 3 100 mA 100 mA current measurements and frequency 4 COM Return Common ...

Страница 15: ...arge at 100 75 50 and 25 Once the battery charge goes below 25 the icon flashes to show that new batteries must be installed 5 Beep On 6 Primary and secondary display mode symbols 7 Relative function active 8 Hold active If HOLD flashes Auto Hold is active 9 Range Auto shows when Auto range is selected 10 Minimum Maximum or Average modes 11 Primary display 12 Non contact AC live circuit detection ...

Страница 16: ...are discarded To Disabled APO 1 Press and hold MODE 2 Rotate the Function Dial to a function Note APO is also disabled in MIN MAX and AVG mode Battery Status When the battery icon flashes 25 battery life left the batteries need to be replaced When BAT LOW shows on the display the instrument will not respond to user requests and will eventually shut down Replace the batteries See To Replace the Bat...

Страница 17: ...e first and then connect the live probe to the circuit or the instrument Always remove the live probe first and then remove the common COM probe Live Circuit Detection Measurement modes that the not designed to measure live circuits will sound a continuous audible beep and show V OL flashing on the display Measurement is inhibited Test leads must immediately be disconnected from the circuit under ...

Страница 18: ... REL Low Z HOLD Auto ac dc APO Lo Hz Hz F Hz V Hi A mA OFF OFF Ω C V ac dc V MODE AC DC AC DC Fig 1 Voltage Measurement Set up No Description 1 AC voltage set up 2 DC voltage set up To Measure Voltage 1 Set up the instrument as shown in Fig 1 Set the Function Dial to ac dc V Red test lead V terminal Black test lead COM terminal 2 Press MODE to toggle through AC default DC AC DC 3 If manual range i...

Страница 19: ... in correct sequence Hz CAT III 1000V CAT IV 600V COM FUSED 100mA V 10A Ω AVO835 RANGE MODE MIN MAX AVG REL REL Low Z HOLD Auto ac dc APO Lo Hz Hz F Hz V Hi A mA OFF OFF Ω C Hz CAT III 1000V CAT IV 600V COM FUSED 100mA V 10A Ω AVO835 RANGE MODE MIN MAX AVG REL REL Low Z HOLD Auto ac dc APO Lo Hz Hz F Hz V Hi A mA OFF OFF Ω C Hz CAT III 1000V CAT IV 600V COM FUSED 100mA V 10A Ω AVO835 RANGE MODE MI...

Страница 20: ...d or L3 L2 L1 phase sequence is NOT OK Reverse 6 After three seconds test will start again on its own Resistance Measurement To measure resistance a small current is sent through the circuit to be tested Because this current flows through all possible paths between the test probes the resistance reading represents the total resistance of all paths between the test probes Therefore to measure the r...

Страница 21: ...range 4 Connect the test probe tips to the circuit under test The display shows 0L until a circuit is detected and shows the appropriate resistance when the circuit is detected Resistance Measurement Tips The measured value of a resistor in a circuit is often different from the actual value of the resistor Test probes can add 0 1 Ω to 0 2 Ω of error to resistance measurements To test this resistan...

Страница 22: ...it no audible beep Caution To avoid possible damage to the instrument or to the equipment under test make sure that the circuit power is disconnected and all high voltage capacitors are discharged before a continuity test To Detect Any Open or Short Circuits 1 Make sure that The circuit power is disconnected All high voltage capacitors are discharged Note If a live circuit is detected the instrume...

Страница 23: ...ctance correspond to extremely high resistance the nS range can determine the resistance of components up 1 GΩ A current flows through all possible paths between the test probes the conductance reading represents the total conductance of all paths between the test probes Therefore to measure the conductance of A Resistor Disconnect at least one connection 1 A Variable resistor Disconnect at least ...

Страница 24: ...test The display shows 0 00 nS until the circuit is detected and shows the appropriate conductance when the circuit is detected Capacitance Measurement Hz CAT III 1000V CAT IV 600V COM FUSED 100mA V 10A Ω AVO835 RANGE MODE MIN MAX AVG REL REL Low Z HOLD Auto ac dc APO Lo Hz Hz F Hz V Hi A mA OFF OFF Ω C Fig 6 Capacitance Measurement Set up Caution To avoid possible damage to the instrument or to t...

Страница 25: ...minal Black test lead COM terminal Once the test probes are connected to the capacitor the capacitance is shown on the Primary display Note This can take a few seconds on large capacitance Smart Capacitance Patent applied for When the test leads are connected to a capacitor which has a residual charge the live circuit is enabled The Smart Capacitance function monitors the charge status of the capa...

Страница 26: ...up No Description 1 Forward Bias 2 Reverse Bias Caution To avoid possible damage to the instrument or to the equipment under test make sure that the circuit power is disconnected and all high voltage capacitors are discharged before diode tests are started To Test a Diode 1 Make sure that The circuit power is disconnected All high voltage capacitors are discharged Note If a live circuit is detecte...

Страница 27: ... short circuit an audible beep will sound 4 fault short circuit Hz CAT III 1000V CAT IV 600V COM FUSED 100mA V 10A Ω AVO835 RANGE MODE MIN MAX AVG REL REL Low Z HOLD Auto ac dc APO Lo Hz Hz F Hz V Hi A mA OFF OFF Ω C V 3 Hz CAT III 1000V CAT IV 600V COM FUSED 100mA V 10A Ω AVO835 RANGE MODE MIN MAX AVG REL REL Low Z HOLD Auto ac dc APO Lo Hz Hz F Hz V Hi A mA OFF OFF Ω C V MODE 4 Fig 8 Forward Vol...

Страница 28: ... REL Low Z HOLD Auto ac dc APO Lo Hz Hz F Hz V Hi A mA OFF OFF Ω C Hz Hz Fig 9 Frequency Measurement Set up To Measure Frequency 1 Set up the instrument as shown in Fig 9 Set the Function Dial to Hz Red test lead V terminal Black test lead COM terminal 2 Connect the test probe tips to the circuit under test The Primary display shows the frequency in Hz 3 If manual range is required press RANGE rep...

Страница 29: ...up To Measure Temperature GF Warning To avoid the risk of electric shock do not connect the thermocouple to circuits greater than 10 V The instrument measures the temperature of a type K thermocouple 1 Set up the instrument as shown in Fig 10 Set the Function Dial to F C Temperature Measurement Probe V terminal Temperature Measurement Probe COM terminal Press MODE to toggle between C or F OL shows...

Страница 30: ...d wire Operation may be effected by differences in socket design insulation thickness and type Hz CAT III 1000V CAT IV 600V COM FUSED 100mA V 10A Ω AVO835 RANGE MODE MIN MAX AVG REL REL Low Z HOLD Auto ac dc APO Lo Hz Hz F Hz V Hi A mA OFF OFF Ω C MODE Lo Hi HI LO Fig 11 AC voltage Detection Set up There are two sensitivity settings To Check the Presence of AC Voltage 1 Set up the instrument as sh...

Страница 31: ... red test probe to the positive side of the circuit If the test probes are reversed it will produce a negative reading but will not damage the instrument AC current measurement is selected by default Press MODE to toggle through AC or DC measurements Ampere Measurement Warning To avoid possible electric shock or personal injury never attempt an in circuit current measurement where the open circuit...

Страница 32: ...ed test lead 10 A terminal Black test lead COM terminal 2 Press MODE to toggle AC default or DC measurement 3 Set the circuit power to Off 4 Make sure that high voltage capacitors are discharged 5 Connect the test leads in circuit 6 Set the circuit power to On 7 If manual range is required press RANGE repeatedly to scroll to a suitable range and resolution Press and hold RANGE to return to AUTO ra...

Страница 33: ... Hz V Hi A mA OFF OFF Ω C A MODE Hz mA mA mA Hz Fig 13 100 mA Measurement Set up To Measure AC or DC current 100 mA Caution To avoid blowing the instrument s 100 mA fuse use the mA terminal only if the current is continuously less than 100 mA 1 Set up the instrument as shown in Fig 13 Set the Function Dial to Hz mA Red test lead 100 mA terminal Black test lead COM terminal 2 Press MODE to toggle A...

Страница 34: ...peat the procedure for 10 A or 100 mA 2 Press MODE to toggle through AC DC and Hz 3 Make sure that Hz is shown on the display Three ranges are available 100 Hz 1 KHz and 10 KHz 4 If manual range is required press RANGE repeatedly to scroll to a suitable range and resolution Press and hold RANGE to return to AUTO range ...

Страница 35: ...cycler or hazardous material handler to dispose of used batteries Caution Always set the instrument to Off and remove the test leads before the batteries are removed and installed Only use approved batteries Approved batteries see General Specifications page 40 Battery Status When the battery icon flashes 25 battery life left the batteries need to be replaced When LOW BAT shows on the display the ...

Страница 36: ...he battery terminal connected to the PCB from inside the battery compartment to help separate the two halves of the case 7 Replace the fuse or fuses 5 Gently lever one end loose and slide the fuse out of its clip Use specified replacement fuses only see Accessories page 39 8 Put the two case halves together Make sure that the gasket 4a is correctly seated and that the case halves snap together aro...

Страница 37: ...ree of dust and liquids Dirt or moisture in the terminals can affect readings Wipe the case with a damp cloth and mild detergent Technical Support For technical support go to the Megger technical support site uk megger com support See the exhaustive FAQs technical support documents and information about After Sales support Alternatively Call 44 0 1304 502101 After Sales support or Submit a complet...

Страница 38: ...t contact your local Megger company distributor or go to your local Megger website Battery Disposal Do not dispose of batteries with normal waste at the end of their life This product uses these types of batteries AA size alkaline LR6 or NiMH HR6 See To Replace the Batteries page 35 for location and how to safely replace the instrument batteries Dispose of batteries as per your local authority reg...

Страница 39: ...6 2 1009 215 NiMH HR6 2 1009 214 Fuse 11 A 1000 V 30 kA 10 mm x 38 mm 1 1009 213 Fuse FF 0 125 mA 1000 V 30 kA 6 3 mm x 32 mm 5 1009 212 Test Lead Kit not fused x2 leads black red x2 crocodile clips black red 1 1002 001 Test Lead Kit 500 mA x2 leads black red x2 long probes black red 1 1002 015 Thermocouple Sensor AVO835 only 1 1010 461 Magnetic Hanger 1 1010 013 ...

Страница 40: ...ction 8 kV Peak IEC EN 61010 1 Fuse protection for mA Input FF 0 125 A 30 kA 1000 V Fuse Fuse protection for A Input 11 A 30 kA 1000 V Fuse Primary display 10000 counts Secondary display 10000 counts Analogue Arc 53 segments Working Temperature 10 C to 50 C 14 F to 122 F Storage Temperature 30 C to 70 C 22 F to 158 F Working Relative Humidity 90 at 40 C 104 F Storage Relative Humidity 50 at 60 C 1...

Страница 41: ...5 Hz 500 Hz 1 0 3 500 Hz 1 kHz 2 0 3 1 kHz 5 kHz 3 0 3 Input resistance 10 MΩ 10 KΩ Current measurement DC Range 100 00 mA 1 0000 A 10 000 A Accuracy 1 0 3 Current measurement AC Range 100 00 mA 1 0000 A 10 000 A Accuracy 45 Hz 500 Hz 1 5 10 500 Hz 1 kHz 2 0 20 Phase rotation Range 95 V 440 V Resistance measurement Range 100 00 Ω 1 0000 kΩ 10 000 kΩ 100 00 kΩ 1 0000 MΩ 10 000 MΩ 50 00 MΩ Accuracy ...

Страница 42: ...tal Operational Temperature 10 C to 50 C 14 F to 122 F Operational Relative Humidity 90 at 40 C 104 F Storage Temperature 30 C to 70 C 22 F to 158 F Storage Relative Humidity 50 at 60 C 140 F Altitude rating 2000 metres 6561 5 ft IP rating IP54 Category 2 Live circuit detection Voltage range 95 Vac 1000 Vac Frequency range 50 Hz 60 Hz Supply Batteries 2 x AA LR6 or 2 x NiMH HR6 Battery life w o ba...

Страница 43: ... Damage in transit is not covered by this warranty and replacement repair is chargeable Megger warrants this instrument to be free from defects in materials and workmanship where the equipment is used for its proper purpose The warranty is limited to making good this instrument which shall be returned intact carriage paid and on examination shall disclose to their satisfaction to have been defecti...

Страница 44: ...www megger com AVO 830 and AVO 835 44 ...

Страница 45: ...www megger com AVO 830 and AVO 835 45 ...

Страница 46: ...www megger com AVO 830 and AVO 835 46 ...

Страница 47: ...www megger com AVO 830 and AVO 835 47 ...

Страница 48: ... SIG Inc and is used under licence AVO830 AVO835_UG_en_V02 11 2017 www megger com Megger Limited Archcliffe Road Dover Kent CT17 9EN ENGLAND T 44 0 1 304 502101 F 44 0 1 304 207342 Megger GmbH Obere Zeil 2 61440 Oberursel Germany T 06171 92987 0 F 06171 92987 19 Megger USA Valley Forge Valley Forge Corporate Center 2621 Van Buren Avenue Norristown Pennsylvania 19403 USA T 1 610 676 8500 F 1 610 67...

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