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Dawson DDM190D

Digital Multimeter

User’s Manual

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Summary of Contents for DDM190D

Page 1: ...Dawson DDM190D Digital Multimeter User s Manual...

Page 2: ...ories 4 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 Voltage Measurem...

Page 3: ...17 Maximum and Hold 17 Auto Off 17 SPECIFICATIONS 18 General Specification 18 Technical Specification 19 MAINTENANCE AND REPAIR 23 Repair 23 Test Leads Replacement 24 Replacing Batteries 24 CONTACT DA...

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: ...THE RISK OF FIRE ELECTRICAL SHOCK PRODUCT DAMAGE OR PERSONAL INJURY PLEASE FOLLOW THE SAFETY INSTRUCTIONS DESCRIBED IN THE USER MANUAL READ THE USER MANUALS BEFORE USING THE METER WARNING TO ENSURE SA...

Page 6: ...irect exposure to sunlight to ensure extended life of the Meter Do not place Meter in a strong magnetic field this may cause false readings Use only the batteries indicated in the Technical Spec Avoid...

Page 7: ...Safety Information Never use the Meter to measure voltages that might exceed 600V DC AC above earth ground in category II installations Always be careful when working with voltage above 60V DC or 30VA...

Page 8: ...nts Introduction Overview The DAM190D is a portable pen type digital multimeter featuring 5V logic level test DC AC voltage and current measurement auto manual range maximum and hold reading auto powe...

Page 9: ...ons and Components 1 Retractable Probe 2 Rotatable Probe knob 3 LED Indicator 4 Protective Ring 5 Rotary Switch 6 DATA H Hold Button 7 RANGE Button 8 MAX H Hold Button 9 FUNC Button 10 Panel 11 LCD Di...

Page 10: ...ance continuity or diode DATA H Button Data reading hold Disable auto power off MAX H Button Measure and hold for maximum reading Rotary Switch To select different functions Probe Input terminals for...

Page 11: ...Maximum reading Hold D H Data hold AUTO Auto range Low battery indicator Using the Meter Preparation Select a function and a range for the item to be measured using the rotary switch and RANGE button...

Page 12: ...is less than 2 4V is displayed please change a new battery DC AC Voltage Measurement WARNING USE CAUTION WHEN MEASUREING HIGH VOLTAGE CIRCUITS TO AVOID ELECTRICAL SHOCK AND INJURY DO NOT TEST VOLTAGE...

Page 13: ...TE In small voltage range the Meter may show unsteady reading when test leads are not connected to the circuit this is normal because of the sensitivity of the Meter When the Meter is connected to the...

Page 14: ...ect the probe tip of the Meter and tip of the test lead or test clip across the power source or load Read the measurement from LCD display The polarity of the Meter s probe will be indicated Resistanc...

Page 15: ...The Meter may take a few 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 Rotat...

Page 16: ...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 a...

Page 17: ...Connect the black test clip to the GND of the circuits being measured Hold the FUNC button and touch the probe tip to the circuit Observe the logic state from LED indicator Red LED light expresses hig...

Page 18: ...d that value press MAX H button once MAX H will appear on the LCD reading will be held Press again to cancel holding maximum value Auto Off When not in use the Meter will automatically turn off after...

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

Page 20: ...0 1mV 2V 0 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...

Page 21: ...Protection o 200mV range 250V DC or AC RMS o 2V 600V ranges DC 600V or AC 600V rms Frequency Range 40 to 400Hz Response Average sine wave RMS Maximum Input Voltage 600V AC RMS DC Current Range Resolut...

Page 22: ...Resettable fuse Frequency Range 40 to 200Hz Response Average Resistance Range Resolution Accuracy 200 0 1 1 0 3 counts 2k 0 001k 1 0 1 counts 20k 0 01k 1 0 1 counts 200k 0 1k 1 0 1 counts 2M 0 001M 1...

Page 23: ...tection 250V DC or RMS AC 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 Logic Test Range 0V 1 5V 3...

Page 24: ...pears 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 deli...

Page 25: ...he current leads are worn Replacing Batteries Follow these steps to replace batteries Turn off the Meter Loosen the battery compartment door screw and remove the door from the case bottom Remove the b...

Page 26: ...vd 858 Diamond Bar CA 91765 Phone 310 728 6220 www DawsonTools com Do not recycle Back page Features LCD Display Auto And Manual Range Auto Power Off Logic Level Test Diode Test Audible Continuity MAX...

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