V&A M266 Series User Manual Download Page 12 | Manualshive

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5 ACCESSORIES

5.1 SUPPLIED WITH THE MULTIMETER

  Test Leads
  Battery
  Operating Manual

5.2 OPTIONAL ACCESSORY

“

K

”

type thermocouple

INSULATION TESTER UNIT 261

6 BATTERY REPLACEMENT

If the sign

“

BAT

”

appears on the LCD display, it indicates that battery should

be replaced. Remove the battery cover of case. Replace the exhausted battery with a
new one.

WARNING

Before attempting to open the battery cover, be sure that test leads have been
disconnected from measurement circuits to avoid electric shock hazard.

M

266

-09

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...
10
11
12

Summary of Contents for M266 Series

Page 1: ...HANDHELD DIGITAL CLAMP MULTIMETER M266 Series Users Manual ...

Page 2: ...RING CURRENT 7 3 2 INSULATION TEST 7 3 3 MEASURING VOLTAGE 8 3 4 MEASURING RESISTANCE 8 3 5 TESTING DIODE 8 3 6 CONTINUITY TEST 8 3 7 MEASURING TEMPERATURE 8 3 8 MEASURING FREQUENCY 9 4 SPECIFICATIONS 9 4 1 GENERAL 9 4 2 AC CURRENT 10 4 3 INSULATION TEST 10 4 4 AC VOLTAGE 10 4 5 DC VOLTAGE 11 4 6 RESISTANCE 11 4 7 TEMPERATURE 11 4 8 FREQUENCY 11 5 ACCESSORIES 12 5 1 SUPPLIED WITH THE MULTIMETER 12...

Page 3: ...ction limit values indicated in specifications for each range of measurement When the meter is linked to measurement circuit do not touch unused terminals When the value scale to be measured is unknown beforehand set the range selector at the highest position Before rotating the range selector to change function disconnect test leads from the circuit under test When carrying out measurements on TV...

Page 4: ...nd Double insulation Protection class II 1 4 MAINTENANCE Before opening the meter always disconnect test leads from all sources of electric current If any faults or abnormalities are observed the meter can not be used any more and it has to be checked out Never use the meter unless the back cover and the battery cover are in place and fastened fully Do not use abrasives or solvents on the meter us...

Page 5: ...resistance continuity test and insulation test some models also provide frequency or temperature test Full overload protection low battery indication and over range indication are provide Following table shows function of the series of multimeter FUNCTION 266 266F 266C 266A ACV DCV ACA Ω INSULATI ON TEMP FREQ PEAK HOLD ...

Page 6: ...g through the conductor Press the TRIGGER to open the transformer jaws When the finger press on the TRIGGER is released the jaws will close again 2 3 DATA HOLD A push switch Push ON Push OFF All ACA ACV DCV HZ ranges with this feature 2 4 INPUT JACKS This meter has three input jacks that are protected against overload to the limits shown During use connect the black test lead to COM jack and conne...

Page 7: ...ter at 2000MΩ position 3 Set the insulation tester unit range switch to the 2000MΩ position 4 Use the insulation tester unit of the test leads connect its L E input connect to being tested installation s Test installation s must be power OFF 5 Set the insulation tester power switch to the ON position 6 Depress the PUSH 500V push push switch the 500V on red LED lamp will light Clamp meter display r...

Page 8: ... indication 1 will be displayed 2 When checking in circuit resistance be sure the circuit under test has all power removed and that all capacitors have been discharged fully 3 5 TESTING DIODE 1 Connect the black test lead to the COM jack and the red test lead to the VΩ jack The polarity of red lead is 2 Set the rotary switch at position and connect red lead to the anode black lead to the cathode o...

Page 9: ...s possible at input voltage above 10Vrms but the accuracy is not guaranteed 2 In noisy environment it is preferable to use shield cable for measuring small signal 4 SPECIFICATIONS Accuracy is specified for a period of one year after calibration and at 18 to 28 64 Fto 82 F with relative humidity to 80 4 1 GENERAL Display 3 digit LCD with automatic polarity indication Measuring Method Dual slope int...

Page 10: ...Response Average Calibrated in rms of sine wave Overload protection 1200A within 60 seconds Jaw Opening 2 5cm 4 3 INSULATION TEST With option 500V insulation tester unit Range Resolution Accuracy Note 20MΩ 10KΩ 2 0 of rdg 2 digits 2000MΩ 1MΩ 4 0 of rdg 2 digits 500MΩ 5 0 of rdg 2 digits 500MΩ 4 4 AC VOLTAGE Range Resolution Accuracy 200V 0 1V 1 0 of rdg 4 digits 600V 1V 1 0 of rdg 4 digits Input I...

Page 11: ...olution Accuracy 200Ω 0 1Ω 1 0 of rdg 3 digits 2KΩ 1Ω 1 0 of rdg 1 digit 20KΩ 10Ω 1 0 of rdg 1 digit 200KΩ 100Ω 1 0 of rdg 1 digit 2MΩ 1KΩ 1 0 of rdg 1 digit Over protection 600V AC DC on all ranges Open circuit voltage 700mV 4 7 TEMPERATURE Accuracy RANGE RESOLUTION 0 to 400 32 o F to 752 o F 400 to 750 752 o F to 1382 o F 0 to 750 1 1 0 of rdg 3 digits 2 0 to rdg 1 digit 32 o F to 1382 o F 1 o F...

Page 12: ...1 6 BATTERY REPLACEMENT If the sign BAT appears on the LCD display it indicates that battery should be replaced Remove the battery cover of case Replace the exhausted battery with a new one WARNING Before attempting to open the battery cover be sure that test leads have been disconnected from measurement circuits to avoid electric shock hazard M266 09 ...

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