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NexxTech 2211813, Руководство оператора

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4.4 DC CURRENT

Overload Protection: F 500mA fuse for 

µ

A and mA ranges, F 10A fuse for A range. 

 

-18-

 

Range 

Resolution 

Accuracy

 

400

µ

V 

0.1

µ

A 

± 0.8% of rdg ± 2 digits

 

4mA 

1

µ

A 

± 0.8% of rdg ± 2 digits

 

40mA 

10

µ

A 

± 0.8% of rdg ± 2 digits

 

400mA 

0.1mA 

± 1.2% of rdg ± 2 digits

 

10A 

1mA 

± 2.0% of rdg ± 5 digits

Содержание 2211813

Страница 1: ...2211813 DUAL DISPLAY 29 AUTO RANGE DIGITAL MULTIMETER OPERATOR S MANUAL ...

Страница 2: ...uction 1 1 2 Usage 2 1 3 Symbols 3 1 4 Maintenance 4 2 Description 5 10 3 Operating Instructions 11 3 1 Measuring Voltage 11 3 2 Measuring Current 11 3 3 Measuring Resistance 12 3 4 Continuity Test 13 3 5 Testing Diodes 13 3 6 Testing Transistors 14 ...

Страница 3: ...Voltage 16 4 3 AC Voltage 17 4 4 DC Current 18 4 5 AC Current 19 4 6 Resistance 20 4 7 Diode 21 4 8 Audible Continuity 21 4 9 Transistor 21 5 Accessories 22 5 1 Supplied with the multimeter 22 5 2 How to use the holster 22 6 Battery and Fuse Replacement 24 ...

Страница 4: ... safely and is kept in good operating condition 1 1 INTRODUCTION When using the meter the user must observe all normal safety rules concerning Protection against the dangers of electrical current Protection of the meter against misuse Full compliance with safety standards can be guaranteed only if used with test leads supplied If necessary they must be replaced with the same model or same electric...

Страница 5: ... highest position Before rotating the range selector to change functions disconnect test leads from the circuit under test When carrying out measurements on TV or switching power circuits always remember that there may be high amplitude voltage pulses at test points which can damage the meter Never perform resistance measurements on live circuits Always be careful when working with voltages above ...

Страница 6: ...1 3 SYMBOLS Important safety information refer to the operating manual Dangerous voltage may be present Earth ground Double insulation Protection class II 3 ...

Страница 7: ...se only with the specified voltage and current ratings F1 F 500mA 250V F2 F 10A 250A If any faults or abnormalities are observed the meter cannot be used and it has to be checked out Never use the meter unless the back cover is in place and fastened fully To clean the meter use a damp cloth and mild detergent only do not use abrasives or solvents on it 4 ...

Страница 8: ...instrument with 33 4 digit LCD capable of performing functions DC voltage measurement Auto Ranging AC voltage measurement Auto Ranging DC current measurement AC current measurement Resistance measurement Auto Ranging Diode test Transistor test Audible continuity test 5 ...

Страница 9: ...1 7 Function Buttons 8 Transistor Testing Socket 9 Rotary Switch 10 V Ω Input Jack 11 COM Input Jack 12 mA Input Jack 13 A Input Jack 6 ...

Страница 10: ...will change as 4V 40V 400V 1000V 400mV Or resistance ranges change as 400Ω 4kΩ 40kΩ 400kΩ 4MΩ 40MΩ DOWN Range Selecting Button When this button is pushed voltage ranges will change as 4V 400mV 1000V 400V 40V Or resistance ranges change as 400Ω 40MΩ 4MΩ 400kΩ 40kΩ 4kΩ 7 ...

Страница 11: ...DATA H Data Hold Button When this button is pushed the display will keep the last reading and D H symbol will appear on the LCD until pushing it again A A DCA ACA Selecting Button This button is used to select ACA or DCA measuring mode i Silence Selecting Button When this button is pushed the built in buzzer will not sound except in continuity testing until pushing this button again 8 ...

Страница 12: ...s happen around 30 minutes the meter will be turned off automatically To turn the meter on again just push this button once ROTARY SWITCH This switch is used to select functions INPUT JACKS This meter has four input jacks that are protected against overload to the limits During use connect the black test lead to the COM jack and the red test lead as shown below 9 ...

Страница 13: ...nnection Input limits DCV ACV V Ω 1000V DC or 750V rms AC Ω V Ω 250V DC or rms AC V Ω 250V DC or rms AC i V Ω 250V DC or rms AC µA mA mA 500mA DC or rms AC A A 10A DC or rms AC µA mA and A ranges are protected by fuses 10 ...

Страница 14: ...ce or load under measurement 3 Read LCD display The polarity of red connection will be indicated when making a DC measurement 3 2 MEASURING CURRENT 1 Connect the black test lead to the COM jack and the red test lead to the mA jack for a maximum of 500mA For a maximum of 10A move the red lead to the A jack 2 Set the function switch at µA mA or A range to be used and push button to select DCA of ACA...

Страница 15: ...ck and the red test lead to the V Ω jack NOTE The polarity of the red lead connection is positive 2 Set the function switch at Ω range to be used and connect test leads across the resistance under measurement NOTE 1 For resistance above 1MΩ the meter may take a few seconds to stabilize reading This is normal for high resistance measuring 2 When the input is not connected i e at open circuit the fig...

Страница 16: ... polarity of red lead connection is positive 2 Set the function switch at i position and connect test leads to two points of the circuit under measurement If continuity exists i e the resistance is lower than 50Ω built in buzzer will sound 3 5 TESTING DIODES 1 Connect the black test lead to the COM jack and the red test lead to the V Ω JACK NOTE The polarity of the red lead connection is positive ...

Страница 17: ... switch at hFE position 2 Identify whether the transistor NPN or PNP type and locate emitter base and collector lead Insert Ieads of the transistor to be tested into proper holes of the testing socket on the front panel 3 LCD display will show the approximate hFE value 4 SPECIFICATIONS Accuracy is specified for a period of one year after calibration and at 64 F to 82 F 18 C to 28 C with relative hu...

Страница 18: ...unts max updates 2 3 sec Measurement Method Dual slope integration A D converter Ranging Method Auto Manual Over range Indication OL displayed Polarity Indication displayed automatically Low Battery Indication BATT displayed Operating Temperature 32 F to 104 F 0 C to 40 C Storage Temperature 10 F to 122 F 10 C to 50 C Dimension 3 5 x 7 4 x 1 2 inch 91 x 189 x 31 5 mm Weight 11oz 310g Including bat...

Страница 19: ...racy 400mV 0 1mV 0 8 of rdg 2 digits 4V 1mV 0 5 of rdg 2 digits 40V 10mV 0 5 of rdg 2 digits 400V 0 1V 0 5 of rdg 2 digits 1000V 1V 0 8 of rdg 2 digits 4 2 DC VOLTAGE Input Impedance 10MΩ more than 1 00MΩ at 400mV range 16 ...

Страница 20: ...00Hz Response Average calibrated in rms of sine wave 17 Range Resolution Accuracy 400mV 0 1mV 4V 1mV 0 6 of rdg 0 2 of full scale 3 digits 40V 10mV 0 6 of rdg 0 2 of full scale 3 digits 400V 0 1V 0 6 of rdg 0 2 of full scale 3 digits 750V 1V 1 2 of rdg 3 digits ...

Страница 21: ... F 500mA fuse for µA and mA ranges F 10A fuse for A range 18 Range Resolution Accuracy 400µV 0 1µA 0 8 of rdg 2 digits 4mA 1µA 0 8 of rdg 2 digits 40mA 10µA 0 8 of rdg 2 digits 400mA 0 1mA 1 2 of rdg 2 digits 10A 1mA 2 0 of rdg 5 digits ...

Страница 22: ...tion Accuracy 400 u A 0 200 u A 0 1 u A 0 8 of rdg 0 4 of full scale 3 digits 400 u A 201 300 u A 0 1 u A 2 5 of rdg 0 4 of full scale 3 digits 400 u A 301 400 u A 0 1 u A 8 0 of rdg 0 4 of full scale 3 digits 4mA 1 u A 0 8 of rdg 0 4 of full scale 3 digits 40mA 10 u A 0 8 of rdg 0 4 of full scale 3 digits 400mA 0 1mA 1 2 of rdg 0 4 of full scale 3 digits 10A 10mA 3 0 of rdg 5 digits ...

Страница 23: ...en Circuit Voltage 3 2V 20 Range Resolution Accuracy 400Ω 0 1Ω 0 8 of rdg 3 digits 4kΩ 1Ω 0 8 of rdg 1 digits 40kΩ 10Ω 0 8 of rdg 1 digits 400kΩ 100Ω 0 8 of rdg 1 digits 4MΩ 1kΩ 0 8 of rdg 1 digits 40MΩ 10kΩ 1 2 of rdg 2 digits ...

Страница 24: ...NUITY 4 9 TRANSISTOR 21 Function Resolution Test Current Open Circuit Voltage 1mV 25µA 3 0V Function Description i Built in buzzer will sound if resistance is lower than 50Ω Function Range Base Current Vce hFE 1 to 1000 10µA 3 0V ...

Страница 25: ...A MASTECH HYTL 060 Operating Manual HYS004241 Holster HYHT 60 5 2 HOW TO USE THE HOLSTER The holster can be used to protect the meter as well as providing a stand to improve viewing angle The following figure shows how to use the holster to a Support the meter with a standard angle 22 ...

Страница 26: ...pport the meter with a shallow angle using the small stand c Hang the meter on the wall using the small stand Change the viewing angle by using the large stand and removing small stand d Holds test leads 23 ...

Страница 27: ... rarely need replacement and blow usually as a result of incorrect use Open the case as mentioned above and take the Printed Circuit Board assembly out of the case Replace the blown fuse with a proper rated fuse below WARNING Before attempting to open the open case be sure that it is disconnected to avoid electric shock hazard For protection against fire replace fuses only with specified ratings F1 ...

Страница 28: ... you obtain service for your Product you must provide a purchase receipt or other proof of the original purchase date and a description of the defect s What Does This Warranty Not Cover This warranty DOES NOT COVER damage due to misuse abuse alteration unauthorized repair or accident such as improper electrical current damage due to acts of God such as lightning or other contingencies beyond our c...

Страница 29: ...tronics store or dealer and the product will be repaired without charge for parts and labour ORBYX Electronics reserves the right to charge for transportation Any product which has been subject to misuse or accidental damage is excluded from this warranty This warranty is only applicable to a product purchased through ORBYX Electronics company owned stores and dealers and to a product that is pres...

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