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Morris 57266, Instruction Manual, Page: 11 / 23

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Summary of Contents for 57266

Page 1: ...OPERATOR S 57266 INSTRUCTION MANUAL OPEN JAW DIGIT ELECTRICAL TESTER ...

Page 2: ...FETY INFORMATION SYMBOL EXPLANATION SAFETY PRECAUTIONS MAINTENANCE GENERAL DESCRIPTION PANEL DESCRIPTION OPERATING INSTRUCTIONS SPECIFICATIONS AUTO POWER OFF REPLACING THE BATTERY ACCESSORIES 1 2 2 4 4 5 10 15 18 18 19 ...

Page 3: ... complies with the requirements of the following European Community Directives 89 336 EEC Electromagnetic Compatibility and 73 23 EEC Low Voltage as amended by 93 68 EEC CE Marking However electrical noise or intense electromagnetic fields in the vicinity of the equipment may disturb the measurement circuit Measuring instruments will also respond to unwanted signals that may be present within the ...

Page 4: ... Double insulation Protection class II AC Alternating Current DC Direct current Battery Conforms to European Union directives SAFETY PRECAUTIONS Follow all safety and operating instructions to ensure maximum personal safety during the operation and to ensure the meter is used safely and is kept in good operating condition 2 ...

Page 5: ...ose the instrument to direct sunlight extreme temperature or moisture Never ground yourself when taking electrical measurements Do not touch exposed metal pipes outlets fixtures etc which might be at ground potential Keep your body isolated from ground by using dry clothing rubber shoes rubber mat or any approved insulating material Always be careful when working with voltages above 60V dc or 30V ...

Page 6: ...ified and trained service technicians should only perform calibration and repair of the meter Do not attempt calibration or service unless trained and another person capable of rendering first aid and resuscitation is present GENERAL DESCRIPTION The meter is an autorange professional open jaw digit electrical tester with 3999 counts For measuring DC and AC voltage AC current Resistance Capacitance...

Page 7: ...ight of display is on until pressing it more than two second again Rotary switch This Rotary Switch is used to select functions and power supply of the meter on or off Function button F Func In Ω range press this button to select or Ω function Different symbol of function will appear on the LCD R Range Press this button to select auto and manual range When a function with auto and manual mode is s...

Page 8: ...o get relative measurement mode REL annunciate display on LCD But store the displayed reading as a reference value In the Relative mode the value shown on the LCD is always the difference between the stored reference value and the present reading If the new reading is the same as the reference value the display will be zero Hz Push the button to select frequency or duty cycle measurement LCD DISPL...

Page 9: ...nit kMΩ Ohm measurement unit Hz Frequency measurement unit mVA Current measurement unit Duty cycle measurement indication 6 7 VΩHz jack This is positive input terminal for volt diode resistance frequency duty cycle and capacitance measurement connection is made to it using the red test lead COM jack This is negative ground input terminal for all measurement modes except current Connection is made ...

Page 10: ...LAYOUT FORWARD 8 ...

Page 11: ...LAYOUT BACKWARD 9 ...

Page 12: ...st lead tips in parallel with the circuit to be measured Be careful not to touch any electrical conductors The polarity of the red lead connection will be indicated along with the voltage value Read the measure result directly from the display AC VOLTAGE MEASUREMENT 1 2 Insert the black and red test leads into the COM and VΩHz input terminals respectively Set rotary switch at desired V position Se...

Page 13: ... around the conductor Read the measure result directly from the display RESISTANCE MEASUREMENT 1 2 3 4 5 Insert the black and red test leads into the COM and VΩHz input terminals respectively Set rotary switch at desired Ω position Push F FUNC button to select Ω If the resistance being measured exceeds the maximum value of the range selected or the input is not connected an overrange indication OL...

Page 14: ...mal for high resistance measurements When the input is not connected i e at open circuit the figure OL will be displayed for the overrange condition DIODE MEASUREMENT 1 2 3 4 5 6 Insert the black and red test leads into the COM and VΩHz input terminals respectively Set rotary switch at desired Ω position Push F FUNC button to select The red lead should be connected to the anode and the black lead ...

Page 15: ...t the black and red test leads into the COM and VΩHz input terminals respectively Turn the rotary switch to position Connect test leads across the capacitor under measurement and be sure that the polarity of connection is observed Note The polarity of the red lead connection is positive Read the measure result directly from the display MEASURING FREQUENCY NOTE The input voltage should be between 1...

Page 16: ...the sensitivity level Determine that the amplitude level of the signal to be measured is not greater than the input voltage limit 250V DC AC rms Read the measure result directly from the display DUTY CYCLE TEST 1 2 3 4 Insert the black and red test leads into the COM and VΩHz input terminals respectively Set rotary switch at desired Hz position Push Hz button to select mode and connect the test le...

Page 17: ...9 counts updates 2 3 sec Ranging method Auto Manual Polarity indication displayed for negative polarity Overrange indication Only figure OL on the display Jaw capability 12mm Max conductor size Power Battery 9V IEC 6F22 JIS 006P NEDA 1604 type Low battery appears on the display Operating 0 to 40 Storage temperature 10 to 50 Temperature coefficient 0 1 specified accuracy 18 or 28 Altitude 2000m Siz...

Page 18: ...700V AC RMS AC VOLTAGE Range Resolution Accuracy 4V 1mV 0 8 of rdg 5 digits 40V 10mV 400V 0 1V 700V 1V 1 0 of rdg 10 digits Input Impedance 10MΩ Frequency range 40Hz to 400Hz Overload Protection 1000V DC or 700V AC RMS AC CURRENT Range Resolution Accuracy 200A 0 1A 3 0 of rdg 3 digits Overload Protection 240A for 60 seconds maximum Frequency range 50Hz to 400Hz 16 ...

Page 19: ...oad Protection 250V dc or rms ac for all ranges CAPACITANCE MEASUREMENT Range Resolution Accuracy 40nF 10pF 4 0 of rdg 10 digits 400nF 0 1nF 4µF 1nF 40µF 10nF Overload Protection 250V dc or rms ac for all ranges FREQUENCY MEASUREMENT Range Resolution Accuracy 40Hz 0 01Hz 2 0 of rdg 1 digit 400Hz 0 1Hz 4kHz 1Hz 40kHz 10Hz 100kHz 0 1kHz 17 ...

Page 20: ...OWER OFF To extend the battery life Auto Power Off function is provided If no key operations of range changing happen in about 30 minutes the meter will be turned off automatically To turn it on rotate the rotary switch or push any function button REPLACING THE BATTERY WARNING To avoid electrical shock or personal injury remove the test leads and any input signals before replacing the battery Repl...

Page 21: ...ls 2 Remove screws on the battery cover and open the cover 3 Remove the exhausted battery and replace with a new 9 voltage battery IEC 6F22 JIS 006P NEDA 1604 type 4 Never use the multimeter unless the battery cover is in place and fastened fully ACCESSORIES Operator s instruction manual Set of test leads 9 volt battery IEC 6F22 JIS 006P NEDA 1604 type CAUTION Using this appliance in an environmen...

Page 22: ...OPEN JAW DIGIT ELECTRICAL TESTER OPERATOR S 57266 INSTRUCTION MANUAL ...

Page 23: ...OPEN JAW DIGIT ELECTRICAL TESTER OPERATOR S INSTRUCTION MANUAL ...

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