Dawson Tools DDM190, User Manual

Page 1: ...Dawson DDM190 Digital Multimeter User s Manual...

Page 2: ...ookmark not defined Safety Information 7 Certification 7 INTRODUCTION 7 Overview 7 Figures and Components 8 Buttons and Components 8 Display Description 10 USING THE METER 10 Preparation 10 DC AC Volt...

Page 3: ...mum and Hold 17 Auto Off 17 SPECIFICATIONS 18 General Specification 18 Technical Specification 19 MAINTENANCE AND REPAIR 22 Repair 22 Test Leads Replacement 23 Replacing Batteries 23 CONTACT DAWSON 23...

Page 4: ...ice center at 800 898 6991 or visit www DawsonTools com to obtain a return authorization within the US only A return authorization is necessary before returning any instrument to Dawson no service wil...

Page 5: ...DAMAGE OR PERSONAL INJURY PLEASE FOLLOW THE SAFETY INSTRUCTIONS DESCRIBED IN THE USER MANUAL READ THE USER MANUAL BEFORE USING THE METER Avoid shaking dropping or any kind of impacts when using or tr...

Page 6: ...ly the batteries indicated in the Technical Spec Avoid exposing batteries to humidity Replace batteries as soon as the low battery indicator appears Please keep the original packing for future shippin...

Page 7: ...nd the probe barriers while measuring Never connect the Meter leads across a voltage source while the rotary switch is in the resistance diode or continuity mode Doing so can damage the Meter Do not p...

Page 8: ...EMC requirements Introduction Overview The DAM190 is a portable pen type digital multimeter featuring non contact AC voltage detection auto manual range maximum and hold reading auto power off and LCD...

Page 9: ...ents 1 Retractable Probe 2 Rotatable Probe knob 3 LED Indicator 4 Protective Ring 5 Rotary Switch 6 Sensitivity Adjust Knob 7 FUNC Button 8 RANGE Button 9 MAX H Hold Button 10 DATA H Hold Button 11 Pa...

Page 10: ...Button Measure and hold for maximum reading Rotary Switch To select different functions Probe Input terminals for V and AC voltage detector COM Common terminal LED Indicator Non Contact Voltage Detect...

Page 11: ...attery indicator Using the Meter Preparation Select a function and a range for the item to be measured using the rotary switch and RANGE button In manual range if the range to be measured is unknown s...

Page 12: ...EING HIGH VOLTAGE CIRCUITS TO AVOID ELECTRICAL SHOCK AND INJURY DO NOT TEST VOLTAGES HIGHER THAN DC AC 600V Rotate the probe knob clockwise to extend the probe from the Meter Insert the black test lea...

Page 13: ...e circuit this is normal because of the sensitivity of the Meter When the Meter is connected to the circuit true readings will be displayed Resistance Measurement WARNING TO AVOID ELECTRICAL SHOCK AND...

Page 14: ...ew seconds to reach steady reading if the measuring resistance is above 1M o When the input is not connected i e an open circuit the figure OL will be displayed Diode Test Rotate the probe knob clockw...

Page 15: ...Y Rotate the probe knob clockwise to extend the probe from the Meter Insert the black test lead or test clip in the COM jack Set the rotary switch to the position Press FUNC to choose continuity test...

Page 16: ...TAGE DETECTION FUNCTION IS WORKING PROPERLY WARNING KEEP HANDS AND FINGERS ON THE BODY OF THE METER AND AWAY FROM THE PROBE TIP The DDM190 Meter offers non contact AC Voltage Detection a convenient wa...

Page 17: ...jacks are present rotate the sensitivity knob clockwise to set a lower detecting sensitivity This is to target a single lead or power socket to be measured NOTE o When using the ACV detecting functio...

Page 18: ...nd reading will be held Press again to cancel Auto Off When not in use the Meter will automatically turn off after 15 minutes After auto off press any button to bring the power back on The Meter will...

Page 19: ...LCD Maximum Number 1999 Polarity Indication Indicates negative polarity Overload Indication Displays OL Sampling Time Approx 0 4 second time Low Battery Indication Auto Power Off 15 min Power Supply 1...

Page 20: ...001V 20V 0 01V 0 7 2 counts 200V 0 1V 600V 1V Input Impedance 10M Overload Protection o 200mV range 250V DC or AC rms o 2V to 600V ranges DC 600V or AC 600V rms Max Input Voltage 600V DC AC Voltage Ra...

Page 21: ...r AC 600V rms Frequency Range 40 to 400Hz Response Average sine wave rms Maximum Input Voltage 600V AC rms Resistance Range Resolution Accuracy 200 0 1 1 0 3 counts 2k 0 001k 1 0 1 counts 20k 0 01k 1...

Page 22: ...Continuity Function If resistance is lower than 50 built in buzzer will make sound Open circuit voltage 0 5V Overload Protection 250V DC or rms AC AC Voltage Detect Test Sensitivity Voltage sensitivi...

Page 23: ...ppears Follow User s Manual to confirm all procedures Before sending Meter back for repair include a description of the problems encountered Remove batteries and pack Meter well to avoid damage in del...

Page 24: ...w these steps to replace batteries Turn off the Meter Loosen the battery compartment door and remove the door from the case bottom Remove batteries and replace with new batteries Re attach the battery...

Page 25: ...24 Back Page Features LCD Display Auto And Manual Range Auto Power Off Non Contact Voltage Detector Diode Test Audible Continuity Max Display Retractable Tip Data Hold Low Battery Indicator...