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Table of Contents
Related Manuals for Dawson Tools DDM350
Summary of Contents for Dawson Tools DDM350
- Page 1 DDM350 Pen-Type Digital Multimeter User’s Manual...
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Page 2: Table Of Contents
CONTENTS CONTENTS Capacitance Measurement....... LIMITED WARRANTY AND LIMITATION OF LIABILITY ......1 Continuity..........Out of the Box..........1 Frequency/Duty Cycle......Accessories..........2 Data Hold ..........12 Safety Information........2 Backlight ..........Safety Symbols ........ -
Page 3: Limited Warranty And Limitation Of Liability
1 pcs Test Lead Alligator Clip & cable 1 pcs This instrument from Dawson Tools Inc. will be free from defects in workmanship and material for three 1.5V AAA Battery 2 pcs years from the date of original purchase.This warranty... -
Page 4: Safety Symbols
Safety Symbols Introduction Important safety information, please Overview refer to the user’s manual The DDM350 is a portable pen-type digital multimeter featuring DC/AC voltage and current measurements, Earth ground resistance, capacitance, continuity, diode testing, Indicates compliance with requirements frequency and duty cycle, auto/manual range, worklight, for double insulation and an LCD w/backlight for easy reading. -
Page 5: Display Description
Display Description 7 8 9 10 11 12 13 Buttons and Components Description Alternating Current Switch between AC/DC or between resistance, continuity, diode or FUNC Button Direct Current capacitance Duty Cycle Choose auto or manual range RAN Button Frequency Hold to turn on the work light Button °C°F Celsius/Fahrenheit... -
Page 6: Using The Meter
Using the Meter NOTE: At small voltage ranges the meter may show unsteady Preparation • Select a function and a range for the item to be readings when test leads are not connected to the circuit, measured using the rotary switch and “RAN” button if this is normal because of the sensitivity of the meter. -
Page 7: Resistance Measurement
Capacitance Measurement Resistance Measurement Warning Warning To avoid electrical shock and injury, power off the To avoid electrical shock and injury, power off the circuit and discharge the capacitance before circuit and discharge the capacitance before measuring capacitacne. measuring resistance. •... -
Page 8: Frequency/Duty Cycle
• If the result is an open circuit (or the measured circuit Data Hold resistance is higher than 200Ω) “0L” is displayed. To hold a reading, press the“ ”button and the current reading will be held on the display. Press the button again Frequency/Duty Cycle to return to normal reading. -
Page 9: Specifications
Specifications Auto power off time 15 min. General Specifications Power Supply 1.5V×2 AAA battery. Environment Conditions 600V CAT. III 8.9x1.6x1.4 in. Pollution Degree Dimension (227×40×35mm) Maximum Operating Altitude 7000 Ft (2000m) approx. 4.48oz (127g) Weight including battery sss 0~40°C, 32°F~122°F Operating Temperature (<80% RH, <10℃... - Page 10 Resistance AC voltage Range Accuracy Resolution Range Accuracy Resolution 400mV 0.1mV 400Ω 0.1Ω ±(1.0% reading + 3 digits) ±(0.8% reading + 3 digits) 0.001V 4kΩ 0.001kΩ 0.01V 40kΩ 0.01kΩ ±(0.8% reading + 3 digits) ±(1.0% reading + 1 digits) 400V 0.1V 400kΩ...
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Page 11: Maintenance And Repair
Maintenance and Repair Frequency/Duty Cycle Repair Range Accuracy Function Please follow these steps closely if the meter is not ±(0.5% reading + 3 digits) 0-10MHz functioning properly: ±(3.0% reading + 3 digits) • Check the batteries; replace with new batteries if low 1-99% battery indicator “... -
Page 12: Contact Dawson
Contact Dawson Dawson Tools, Inc. 1142 S. Diamond Bar Blvd., #858 Diamond Bar, CA 91765 Phone: (310) 728-6220 www.DawsonTools,com Features • True RMS • LCD Display • Auto and Manual Range • Auto Power Off • Diode Test • Audible Continuity •...