SEW 6420 DM, Instruction Manual

Page 1: ...INSTRUCTION MANUAL DIGITAL MULTIMETER with bargraph 6420 DM...

Page 2: ...INDEX PAGE 1 INTRODUCTION 1 2 SAFETY NOTES 2 3 FEATURES 3 4 SPECIFICATIONS 4 5 5 GENERAL 6 6 INSTRUMENT LAYOUT 7 11 7 MEASUREMENT 12 13 8 MAINTENANCE 14 9 FUSE REPLACEMENT 15...

Page 3: ...ested According to CE Safety Requirements for Electronic Measuring Apparatus IEC EN 61010 1 and other safety standards Follow all warnings to ensure safe operation WARNING READ SAFETY NOTES NEXT PAGE...

Page 4: ...environmental conditions 1 Indoor Use 2 Installation Category 3 Pollution Degree 2 4 Altitude up to 2000 meters 5 Relative humidity 80 max 6 Ambient temperature 0 40 C Observe the International Elect...

Page 5: ...tic measurement Voltage measurement Current measurement Resistor measurement Frequency measurement Range change function Bar graph display Relative mode Maximum Minimum modes Peak hold mode VAHz mode...

Page 6: ...mV 4 V 40 V 400 V 750 V Accuracy 1 rdg 5dgt 1 rdg 5dgt 1 rdg 5dgt 1 rdg 5dgt 1 rdg 5dgt Resolution 0 1 mV 1 mV 10 mV 100 mV 1 V Range 400 mV 4 V 40 V 400 V 1000 V Accuracy 0 5 rdg 3dgt 0 5 rdg 3dgt 0...

Page 7: ...ible threshold Less than 35 Range 400 4 K 40 K 400 K 4 M 40 M Accuracy 1 5 rdg 3dgt 1 5 rdg 3dgt 1 5 rdg 3dgt 1 5 rdg 3dgt 1 5 rdg 3dgt 2 0 rdg 4dgt Resolution 0 1 1 10 100 1 K 10 K Range 4K Hz 40K Hz...

Page 8: ...mm D Weight Approx 350g battery included Power source AAA battery 1 5V x 2 Low Battery Indication BATT sign appears on the display when the battery voltage drops below accurate operating level Accesso...

Page 9: ...nction Switch 8 Range Button 2 LCD Display 9 HOLD Button 3 V Hz Terminal 10 REL Button 4 mA uA Terminal 11 PEAK Button 5 10A Terminal 12 VAHz Button 6 COM Terminal 13 MAX MIN Button 7 Select Button 1...

Page 10: ...connect 4 uA mA Terminal This is positive input terminal for current The Maximum is 4000uA for uA measurement The Maximum is 400mA for mA measurement 5 10A Terminal This is positive input terminal for...

Page 11: ...ay This mode can be nested in most of the special modes Enabling HOLD function in automatic mode makes the meter switch to manual mode but the full scale range remains the same HOLD function can be ca...

Page 12: ...pressed for the third time less than one second the PMAX and PMIN annunciators are blinking and display shows current input value The meter returns to normal operation if the PEAK button is pressed an...

Page 13: ...second the MIN annunciator turns on and the display shows the minimum value When the MAX MIN button is pressed for the third time less than one second the MAX and MIN annunciators are blinking and di...

Page 14: ...urrent measurement Switch to mA uA or 10A function for AC current or DC current measurement 3 Resistance Measurement Switch to OHM range and make sure there is no power in the circuit being measured I...

Page 15: ...er test are larger than 2 V the LCD panel will show OL The buzzer generates a 2K Hz sound whenever the digit number is less than 0 25V Because the cycle time of measurement is only 50ms the least sign...

Page 16: ...er 2 Unscrew the case and replace new batteries 3 Close the case and lock the screw Cleaning and Storage Periodically wipe the case with a damp cloth and detergent Do not use abrasives or solvents If...

Page 17: ...y range Open the meter case then remove and replace the fuse Only replace with the same specification fuse 15 FUSE 0 5A FUSE 12 5A BATTERY AAA 1 5V X2 FUSE 0 5A Due to our policy of constant improveme...

Page 18: ...voltage installations CAT measurements performed in building installations CAT measurements performed on circuits directly connected to the low voltage installations For For For CAT For measurements p...

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