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1. Input Impedance 10MO Overload Protection o 200mvV 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 Resolution Accuracy 20mA 0 01mA 200mA 0 1 mA 1 5 3 digits Overload Protection Resettable fuse 20 AC Current Range Resolution Accuracy 20mA 0 01mA 200mA 0 1 mA 2 096 3 digits Overload Protection Resettable fuse Frequency Range 40 to 200Hz Response Average Resistance Range Resolution Accuracy 2000 0 10 1 0 3 counts 2kQ 0 001kO 1 0 1 counts 20kQ 0 01kQ 1 0 1 counts 200kQ O 1kQ 1 0 1 counts 2MQ 0 001MQ 1 0 1 counts 20MQ 0 01MQ 1 0 5 counts Open Circuit Voltage 0 25V Overload Protection 250V DC or AC RMS 21 Diode Resolution Function E 0 001V reads diode forward voltage Forward DC Current 1mA Reversed DC Voltage 1 5V Overload Protection 250V DC or RMS AC Continuity Function en If resistance is lower than 50Q built in buzzer will make sound Open circuit voltage 0 5V Overload Protection 250V DC or RMS AC Logic Test Range ov Low 0 1 5V 3 5V High 1 5V Green H Green Red d Red LED 1 LED on LED off on Input Impedanc
2. MAX Display Retractable Tip Data Hold Battery Low Indicator 25
3. Probe knob Rotate the knob to retract probe Protective Ring Keep hand behind the ring for safety Display Description AC Alternating Current DC Direct Current A AC or DC gt Diode on Buzzer M H Maximum reading Hold D H Data hold AUTO Auto range Esl 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 In manual range if the range to be measured is unknown start off with the highest range 10 In manual range OL is displayed when overload occurs Choose a higher range if possible to acquire correct reading To perform measurement first connect the test lead to common COM then connect the probe tip of the Meter to the circuit to be tested If the battery voltage is less than 2 4V E3l is displayed please change a new battery DC AC Voltage Measurement A WARNING USE CAUTION WHEN MEASUREING 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 lead or test clip in the COM jack Set the rotary switch to the V position Press the FUNC F button to switch between DC and AC measurements Manual range can be 11 chosen by pressing the RANGE button Hold RA
4. workmanship and material for three years from the date of original purchase This warranty does not cover defects resulting from damage caused by the user such as drops neglect misuse unauthorized alteration usage outside of specified conditions contamination or improper repair maintenance To receive service on the instrument if it becomes necessary during the warranty period contact your nearest Dawson authorized service 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 will be provided without a return authorization The user is responsible for properly packing the unit and charges such as shipping freight and insurance charges The extent of Dawson s liability is limited solely to the repair replacement of the instrument The above warranty in its entirety is inclusive and no other warranties written or oral are expressed or implied Out of the Box Check the Meter and accessories thoroughly before using the Meter Contact your local distributor if the Meter or any components are damaged or malfunction Accessories Test Leads 1pc Alligator Clip amp cable 1pc 1 5V AAA Battery 2pcs z Case 1pc User s Manual 1pc Safety Information ZX WARNING TO REDUCE THE RISK OF FIRE ELECTRICAL SHOCK PRODUCT DAMAGE OR PERSONAL INJURY PLEASE FOLLOW THE SAFETY INSTRUCTIONS DESCRI
5. BED IN THE USER MANUAL READ THE USER MANUALS BEFORE USING THE METER A WARNING TO ENSURE SAFE OPERATION AND LIFE OF THE METER DO NOT PLACE THE METER IN ANY ENVIRONMENT WITH HIGH PRESSURE HIGH TEMPERATURE DUST EXPLOSIVE GAS OR VAPOR Avoid shaking dropping or any kind of impacts when using or transporting the Meter To avoid electric shock or personal injury repairs or servicing not covered in this manual should be performed only by qualified personnel Avoid direct 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 exposing batteries to humidity Replace batteries as soon as the low battery indicator appears Please keep the original packing for future shipping purposes ex Calibration After opening the box check for any damage during delivery Safety Symbols A Important safety information please refers to the user s manual l Earth ground Indicates compliance with requirements for ic double insulation A Fuse must be replaced with ratings specified in the manual A Important 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 30VAC RMS Keep fingers behind the probe barriers while m
6. Dawson DDM190D Digital Multimeter User s Manual TABLE OF CONTENTS LIMITED WARRANTY AND LIMITATION OF LIABILITY oio eoo e rae eoo ie or oae rer eene rae er eo Co 3 Qut of the BOX Ss 3 ACCeSSOF OS oie eeepc e Ede PO cp Peres Safety Information Certification c e t e i re INTRODUCTION eee e eere eene 7 OVerVIeW eee ERE eMe treu 7 Figures and Components sess 8 Buttons and Components 8 Display Description eeses USING THE METER eere Preparation ccecccecececececececesececececececesesecs DC AC Voltage Measurement DC AC Current Measurement Resistance Measurement Diode Test Continuity LogiG Test ennienni iraia 16 Data Hold eren 17 Maximum and Hold ee 17 Auto Off 17 SPECIFICATIONS e eene eee enne General Specification esess Technical Specification MAINTENANCE AND REPAIR 23 R D it iiia t thier hao Eee ess 23 Test Leads Replacement 24 Replacing Batteries eesssssss 24 CONTACT DAWSON eee ee eene enne 25 FEATURES 335 icc reise eee innen Back Page LIMITED WARRANTY AND LIMITATION OF LIABILITY This instrument from Dawson Tools Inc will be free from defects in
7. NGE to go back to Auto range Connect 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 NOTE 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 circuit true readings will be displayed DC AC Current Measurement A WARNING USE CAUTION WHEN MEASUREING 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 12 Insert the black test lead or test clip in the COM jack Set the rotary switch to the mA position Press the FUNC F button to switch between DC and AC measurements Manual range can be chosen by pressing the RANGE button Hold RANGE to go back to Auto range Connect 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 Resistance Measurement A WARNING TO AVOID ELECTRICAL SHOCK AND INJURY POWER OFF THE CIRCUIT AND DISCHARGE THE CAPACITANCE BEFORE MEASURING RESISTANCE Rotate the probe knob clockwise to extend the pro
8. be from the Meter Insert the black test lead or test clip in the COM jack 13 Set the rotary switch to the Q position Manual range can be chosen by pressing the RANGE button Hold RANGE to go back to Auto range Connect the tip of the Meter probe and test lead or test clip across the resistance or circuit under measurement and read of the reading from LCD NOTE o The Meter may take a few seconds to reach steady reading if the measuring resistance is above 1MQ o When the input is not connected i e an open circuit the figure OL will be displayed Diode Test 14 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 pty position Press FUNC to choose diode measurement Pb is displayed Connect leads to the circuit terminals Read the measurement from the display NOTE The Meter shows the forward voltage drop If the lead connection is reversed OL is displayed Continuity A WARNING TO AVOID ELECTRICAL SHOCK AND INJURY POWER OFF THE CIRCUIT AND DISCHARGE THE CAPACITANCE BEFORE MEASURING CONTINUITY 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 l position Press FUNC to choose continuity test appears on LCD Co
9. e approx 1MO Overload Protection 250V DC or RMS AC 22 Maintenance and Repair Repair Please follow the steps closely if the Meter is not functioning properly 23 Check batteries replace with new batteries if low battery indicator ES appears 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 delivery Dawson does not cover damage due to delivery Repair or service not covered in this manual should be performed only by the authorized service center or qualified personnel Test Leads Replacement A WARNING REPLACE THE TEST LEADS WITH IDENTICAL OR COMPATIBLE LEADS LEAD SPEC 600V 10A Replace new leads if the 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 batteries and replace the batteries with new batteries Reattach the battery compartment door to the case bottom and tighten the screw 24 Contact Dawson Dawson Tools Inc 1142 S Diamond Bar Blvd 4858 Diamond Bar CA 91765 Phone 310 728 6220 www DawsonTools com X Do not recycle Back page Features LCD Display Auto And Manual Range Auto Power Off Logic Level Test Diode Test Audible Continuity
10. easuring Inspect test leads and probes for cracks breaks or crazes on the insulation before using the Meter Repair or maintenance should be implemented by trained personnel Certification CAT II This meter has meet IEC1010 1 standard with an overvoltage category CAT II and pollution2 e C the Meter is compiled to EMC requirements 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 power off and LCD built in for easy reading The slim and lightweight design with retractable probe is mobile and ideal for both professionals and hobbyists Figures and Components Buttons and Components Retractable Probe Rotatable Probe knob LED Indicator Protective Ring Rotary Switch DATA H Hold Button RANGE Button MAX H Hold Button FUNC Button Panel LCD Display COM Jack 1O 100 SM OY UT de or ons pen e re Po 12 Front Panel 12345 6789101112 Buttons and Components Description RANGE Button Choose auto or manual range FUNC F Button Switch between AC DC or between resistance 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 V A Q l and Logic COM Common terminal
11. nnect leads to the circuit terminals If continuity exists i e resistance is less than 500 built in buzzer will sound If the result is an open circuit or the circuit resistance measured is higher than 200Q OL is displayed 15 Logic Test NOTE The logic test will only work for 5V Signals Make sure the retractable probe is stored back in the Meter 16 Insert the black test lead or test clip in the COM jack Set the rotary switch to the LOGIC position 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 high level logic 1 and orange LED light expresses low level logic 0 If the reading is between 1 5 3 5V neither light will be on You can also see A or V7 on the LCD display AA expresses high level logic 1 and WV expresses low level logic 0 Data Hold To hold the reading of a measurement press DATAH button once D H will appear on the LCD reading will be held Press again to cancel holding value Maximum and Hold To show the maximum value of the measurement and hold 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 17 When not in use the Meter will automatically turn off after 15 minute
12. s After auto off press any button to bring the power back on The Meter will beep 5 times 1 minute before and a long beep right before it turns off Hold DATA H button followed by turning on the Meter to disable auto off Specifications General Specification Auto and Manual Range Max Voltage between Terminals and Earth Ground 600V DC or AC Maximum Operating Altitude 7000 Ft 2000m Display 0 79 In 20mm LCD Maximum Number 1999 Polarity Indication Indicates negative polarity Overload Indication Display OL Sampling Time Approx 0 4 second time Es Low Battery Indication Auto Power Off 15 min Power Supply 1 5V x 2 AAA battery Operating Temperature 32 F To 104 F 0 C To 40 C Storage Temperature 10 F To 122 F 10 C To 50 C Dimension 8 2x1 5x1 14 in 208x38x29mm Weight Approx 3 90z 110g including battery 18 Technical Specification DC Voltage Range Resolution Accuracy 200mv 0 1mV 2V 0 001V 20V 0 01V 0 7 2 counts 200V 0 1V 600V 1V Input Impedance 10MO Overload Protection o 200mvV range 250V DC or AC rms o 2V to 600V ranges DC 600V or AC 600V rms Max Input Voltage 600V DC AC Voltage Range Resolution Accuracy 200mV 0 1mV 2V 0 001V 0 8 3 counts 19 20V 0 01V 0 8 3 counts 200V 0 1V 600V 1V 1 0 3 counts

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