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HYS006664

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Summary of Contents for MS8240A

Page 1: ...FUNC HOLD MAX FUSED FUSED MS8240A Digital Multimeters ...

Page 2: ...excellent durability It uses elastic ABS material and double injection molding design and has good shock resistant performance The meter meets GB T 13978 92 digital multimeter general technology standards and GB4793 1 1995 IEC 61010 1 2001 electronic measurement instrument safety requirements with class II pollution and over voltage standard CAT III 600V Its full function protection ensures the sa...

Page 3: ...e Please note that possible electric shock may be caused if input voltage exceeds 36V AC or 48C DC Before measuring current please first switch off the equipment to be measured and disconnect the measured circuit Then connect the test probe securely switch on the power and then start measuring Pay attention to correct battery polarity when replacing batteries Be sure to use a fuse with the same sp...

Page 4: ...ntly measured maximum of the meter Press again to exit the maximum display mode Backlight function key The backlight will light on if you press and hold this key for 2 seconds It will turn off automatically after 15 seconds Press again to exit the backlight function Press to switch the meter on or off FUNC HOLD MAX 4 Technical Indicators 4 1 General Characteristics Manual measuring range DMM with ...

Page 5: ...ng 3digits 1 0 reading 5digits 4 2 Electrical Technical Indicators Environment temperature 23 5 C relative humidity 75 4 2 3 Diode Measuring range Resolution Function 0 001V Display forward voltage drop of diode Backward DC voltage About 1 5V Forward DC current About 1mA Overload protection 250V DC or AC RMS 4 2 4 Resistance Measuring range Resolution Accuracy 200Ω 0 1Ω 2kΩ 20kΩ 200kΩ 2MΩ 20MΩ 1Ω ...

Page 6: ...r hFE Measuring range Function Display approximation 1 1000 times Base current About 1mA Vce About 2 5V Protection 250mA 1KV fast melting fuse hFE 4 2 9 Temperature Measuring range Resolution Accuracy 20 C 0 C 1 C 5 0 reading 4digits 0 C 400 C 400 C 1000 C 2 0 reading 3digits 3 0 reading 3digits Overload protection F250mA 1KV fast melting fuse 250V DC or AC RMS 0 F 32 F 1 F 5 0 reading 4digits 32 ...

Page 7: ...use and measurement accuracy of the meter 5 2 Resistance Measurement Warning To avoid damaging meter or device to be measured before measuring resistance turn off all circuits to be tested and discharge all high voltage capacitors The resistance measuring range of this meter 200 0Ω 2 000KΩ 20 00KΩ 200 0KΩ 2000MΩ 20 00MΩ Method of measuring resistance 1 Rotate switch to the appropriate position 2 C...

Page 8: ...er will display the forward voltage drop for forward measuring when connected in reverse readings will depend on the values of other elements connected in parallel on two ends on the diode 5 4 Continuity Measurement of Buzzer Warning To avoid damaging meter or device to be measured before continuity tests turn off all circuits to be tested and discharge all high voltage capacitors Method of contin...

Page 9: ...en measuring bulk capacitors with this meter readings will be stablizee after a few seconds When measuring the small capacitor with less than 20nF the distributed capacitance displayed base number of the meter and wire should be subtracted 5 6 Transistor Measurement Warning Do not apply any RMS voltage higher than 250V DC or AC between common end and hFE end This prevents electrical shock and or m...

Page 10: ...ted 2 Rotate switch to the appropriate position 3 Connect the black test probe to the COM input socket If the current to be tested is lower than 200mA connect the red test probe to the mA input socket If the measured current is between the range of 200mA 10A the red test probe should be connected to 10A input socket 4 Turn off the circuit to be tested Connect the black test probe to the low voltag...

Page 11: ... be tested The LCD will display the temperature at the location of the current sensor 5 Press the FUNC key to convert the measured value to F or set the temperature unit to F first before measuring When the symbol shows on the display during use of the meter you must replace the batteries to avoid affecting the normal use of the meter Method of replacing batteries 1 Disconnect the test wire Switch...

Page 12: ...HYS006664 ...

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