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DIGITALMULTIMETER 

             

   

   

   

        

     

     

     

     

USER’S MANUAL

 

 
 

    

    

 

 

 

 
 
 
 
 

 

       

 

 

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Содержание AX-MS8250

Страница 1: ...DIGITALMULTIMETER USER S MANUAL C C...

Страница 2: ...CONTENTS 1 GENERAL INSTRUCTIONS 1 2 DESCRIPTION 4 3 TECHNICAL SPECIFICATIONS 7 4 OPERATING INSTRUCTION 13 5 MAINTENANCE 18...

Страница 3: ...nt protection of the Multimeter against misuse For your own safety only use the test probes supplied with the instrument Before use check that they are in good condition 1 1 2 During use If the meter...

Страница 4: ...igh voltage capacitors before testing resistance continuity or diode Before attempting to insert transistors for testing always be sure that test leads have been disconnected from any measurement circ...

Страница 5: ...ng taken into account the instructions in this present manual If any faults or abnormalities are observed take the instrument out of service and ensure that it can not be used until it has been checke...

Страница 6: ...2 DESCRIPTION 2 1 Instrument Familiarization C C 1 2 3 4 5 6 EF DETECT Area LCD display Keypad Back light key Rotary switch Terminals...

Страница 7: ...ult or mode press on the key the beep sounds briefly This key is operative in A and ranges 2 5 RANGE key Selection of the automatic default or manual mode short press 1 sec on the key the beep sounds...

Страница 8: ...light key This key is used to turn the back light on or off Press the key 2 sec the backlight will be turned on Press the key again the backlight will be turned off the key is t operative in range 2...

Страница 9: ...m Operating temperature 0 40 O C 80 RH non condensing Storage temperature 10 60 O C 70 RH battery removed Temperature Coefficient 0 1 specified accuracy O C 18O C or 28O C MAX Voltage between terminal...

Страница 10: ...r off the beeper will sound 5 sounds The beeper will sound again before power off Power source 4 5V battery Dimensions 156 L 82 W 29 H mm Weight 220g Approx battery included Accessories User s manual...

Страница 11: ...0 of rdg 3 digits 40V 10mV 400V 100mV 750V 1V 1 2 of rdg 3 digits Input impedance 10M Maximum input voltage 1000V dc or 750V ac rms Frequency Range 40Hz 400Hz Response Average calibrated in rms of sin...

Страница 12: ...A 10A 10mA 3 0 of rdg 8 digits Overload protection F 500mA 250V fuse for uAmA range Maximum input current 400mA dc or 400mA ac rms for A and mA ranges 10A dc or 10A ac rms for 10A ranges Frequency Ran...

Страница 13: ...mate 0 5V Display read approx forward voltage of diode Forward DC Current approx 1mA Reversed DC Voltage approx 1 5V Overload protection 250V dc or 250V ac rms 3 2 8 Temperature Range Resolution Accur...

Страница 14: ...olution Accuracy 9 999Hz 0 001 Hz 0 1 of rdg 1 digit 99 99Hz 0 01 Hz 999 9Hz 0 1 Hz 9 999kHz 1Hz 99 99kHz 10Hz 199 9kHz 100Hz 200kHz 100Hz Unspecified 200kHz Overload protection 250V dc or 250V ac rms...

Страница 15: ...indicator which in the top of the meter will flash and the audible warning will sound and the figure will be displayed on the LCD 4 2 Voltage measurement To avoid electrical shock and or damage to th...

Страница 16: ...ack and red test leads to the COM and V terminals respectively Connect the test leads to the circuit being measured and read the displayed value In order to ensure the best accuracy in measurement of...

Страница 17: ...40 a continuous beeping will indicate it Note continuity test is available to check open short of the circuit 4 5 Diode measurement To avoid electrical shock and or damage to the instrument disconnect...

Страница 18: ...y Connect the test leads to the capacitor being measured and read the displayed value NOTE The meter may take a few seconds 200 F range 30 seconds to stabilize reading This is normal for high capacita...

Страница 19: ...ect the red lead of K type thermocouple into the jack and the black lead of K type thermocouple into the COM jack Contacting the object be measured with the thermocouple probe Read temperature value o...

Страница 20: ...on and the higher range has to be selected 4 10 Misplug Alarm To avoid damage to the meter the meter provide Misplug Alarm function When the meter alarm please check the range and the terminal of the...

Страница 21: ...To clean the terminals Turn the meter off and remove all test leads Shake out any dirt that may be in the terminals Soak a new swab with a cleaning and oiling agent such as WD 40 Work the swab around...

Страница 22: ...the battery disconnect test leads from any circuit under test turn the meter off and remove test leads from the input terminals Use the following procedure When the battery voltage drop below proper...

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