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Dawson DDM230C

True RMS Multimeter with Bar Graph Display

User’s Manual

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Содержание DDM230C

Страница 1: ...Dawson DDM230C True RMS Multimeter with Bar Graph Display User s Manual...

Страница 2: ...of the Box 3 Accessories 4 Safety Information 4 Certification 8 INTRODUCTION 8 Overview 8 Components and Buttons 9 Components 9 Buttons and Symbols 10 LCD Display 11 USING THE METER 12 Display Hold 12...

Страница 3: ...C Voltage Measurement 15 Resistance 16 Continuity 16 Diode 16 Capacitance 17 Frequency and Duty Ratio 17 Current 17 SPECIFICATIONS 18 General Specifications 18 Technical Specifications 19 MAINTENANCE...

Страница 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...

Страница 5: ...ECTRICAL 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 SAFE OPERATION AND LI...

Страница 6: ...r 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 indi...

Страница 7: ...compatible leads with same specifications of the originals Safety Symbols on the Meter Important safety information please refers to the user manual Earth ground Indicates compliance with requirements...

Страница 8: ...acks breaks or crazes on the insulation before using the Meter Remove the leads from the circuit first before switching between functions Do not power on the circuit when measuring resistance capacita...

Страница 9: ...The Meter is compiled to EMC requirements Introduction Overview Dawson DDM230C is a portable hand held yet professional meter that features True RMS measurement display AC DC current AC DC voltage Fre...

Страница 10: ...9 Components and Buttons Components 1 NCV LED Indicator 2 LCD Display 3 Buttons 4 Function Rotary Switch 5 Input 6 Voltage Sensing Area...

Страница 11: ...EL button for relative measurement Hz button to switch between Frequency and Duty Ratio MAX MIN button to switch between Maximum and Minimum measurement Symbols OFF power off Input terminal for Resist...

Страница 12: ...AC Alternating Current DC Direct Current Diode Continuity AUTO Auto Mode MAX Maximum Measurement Displayed MIN Minimum Measurement Displayed REL Relative Measurement Mode Auto Power Off Battery Low H...

Страница 13: ...ontact Voltage USB Mode Using the Meter Display Hold During measurement press HOLD button to hold the current reading on the display Press HOLD again to unlock the reading Switch between Modes When us...

Страница 14: ...s not allowed in frequency measurement Relative Measurement Press REL button to enter Relative Measurement Mode Reading current measurement measurement when REL is pressed Max Min Measurement To Find...

Страница 15: ...the display backlight Auto Off If the Meter is not in use for 30 minutes the Meter turns off automatically to conserve power Press any button to turn the Meter back on To disable Auto Off hold FUNC b...

Страница 16: ...voltage is fed to the Meter Other external interference ex Flashlight motor may trigger the NCV sensor DC and AC Voltage Measurement Turn the rotary switch to Mode connect the black lead to COM and th...

Страница 17: ...uity Press FUNC during resistance measurement to switch to continuity test Connect the black lead to input COM and the red lead to Use both leads to test the target resistance the Meter will buzz if t...

Страница 18: ...itch between frequency and duty ratio Current Disconnect the target circuit from power source and discharge the circuit Turn the rotary switch to appropriate mode A mA or A Connect the black lead to C...

Страница 19: ...ication indicates negative Overload Indication 0L or 0L Sampling Time 0 4 seconds 1 second on current measurement Units Display Display functions and units Auto Power Off 30 minutes Input Power 9V DC...

Страница 20: ...de the Meter may display a random reading between 1 and 50 when the input is not active This will not affect the accuracy of measurement True RMS requires a minimum input level AC current or voltage s...

Страница 21: ...curacy 660mV 0 1mV 1 5 5 Counts 6 6V 0 001V 1 2 5 Counts 66V 0 01V 600V 0 1V 1 5 5 Counts Input Resistance 10M Overload Protection In 660mV Range 250V DC AC In 6 6V to 600V Range 600V DC AC Maximum In...

Страница 22: ...0 01k 660k 0 1k 6 6M 0 001Mk 66M 0 1M 1 5 5 Counts Open Circuit Voltage 0 4V Overload Protection 250V DC AC RMS Diode Resolution Function 0 001V Displays approx forward biased voltage Forward Biased...

Страница 23: ...ounts 660nF 0 1nF 6 6 F 0 01 F 66 F 0 01 F 660 F 0 1 F 6 6mF 0 001mF 4 5 Counts 66mF 0 01mF Overload Protection 250V DC AC RMS Continuity Resolution Function 0 1 The Meter buzz when the target resista...

Страница 24: ...kHz 0 01kHz Range 10Hz 10kHz Input Voltage 0 2V AC Input voltage should increase along with the frequency Through Hz Mode Range Resolution Accuracy 66Hz 0 01Hz 1 5 5 Counts 660Hz 0 1Hz 6 6kHz 0 001kHz...

Страница 25: ...t Range Resolution Accuracy 660 A 0 1 A 1 0 5 Counts 6600 A 1 A 66mA 10 A 660mA 100 A 10A 10mA 2 0 5 Counts Overload Protection In A and mA range Fuse FF600mA 1000V In A Mode Fuse FF10A 500V When the...

Страница 26: ...0mA 100 A 10A 10mA 3 0 5 Counts Overload Protection In A and mA range Fuse FF600mA 1000V In A Mode Fuse FF10A 500V When the target current is larger than 5A do not continue the measurement for more th...

Страница 27: ...y Replacement WARNING TO AVOID ELECTRICAL SHOCK PRODUCT DAMAGE OR PERSONAL INJURY REMOVE TEST LEADS BEFORE OPENNING BATTERY COVER Replace batteries when the battery indicator is on Remove the battery...

Страница 28: ...EST LEADS WITH IDENTICAL OR COMPATIBLE LEADS LEAD SPEC 1000V 10A Replace new leads if the current leads worn Contact Dawson Dawson Tools Inc 1142 S Diamond Bar Blvd 858 Diamond Bar CA 91765 Phone 310...

Страница 29: ...28 Back Page Features LCD Display Auto Ranging Relative Measurement Non Contact Voltage Detector True RMS Diode Test Continuity Buzzer MAX MIN Display Data Hold Auto Power Off Low Battery Back Light...

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