Related Manuals for Circuit-test DCL-420
Summary of Contents for Circuit-test DCL-420
- Page 1 USER'S MANUAL CLAMP ON MULTIMETER DCL-420 CIRCUIT-TEST ELECTRONICS www.circuittest.com...
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Page 3: Table Of Contents
TABLE OF CONTENTS SAFETY INFORMATION ........2 SAFETY SYMBOLS. -
Page 4: Safety Information
SAFETY INFORMATION This meter is CUL and UL approved and conforms to IEC 61010-1 for Category II - 600V. This meter is designed to be safe under the following conditions: indoor use, altitude up to 2000m, temperature 5°C to 40°C, maximum relative humidity 80% for temperatures up to 31°C decreasing linearly to 50% relative humidity at 40°C and rated pollution degree 2. -
Page 5: Safety Symbols
SAFETY SYMBOLS Safety symbols and special annunciators on the meter and in this manual indicate cautions and warnings of important operational procedures that must be followed to ensure personal and product safety. This symbol indicates a General Warning. When adjacent to a termi- nal or operating device indicates that the operator must refer to an explanation in the Operating Instructions. -
Page 6: Introduction
INTRODUCTION DCL-420 is a True RMS Auto Ranging Clamp on meter with 3-3/4 digit 4000 count display. This meter can measure/test the following: – Voltage – Current – Resistance – Continuity – Temperature – Frequency LCD DISPLAY SYMBOL DEFINITIONS DISPLAY/SYMBOL... -
Page 7: Front Panel Description
CIRCUIT-TEST ZERO POWER ADJUST DCL-420 AUTO POWER OFF TRUE RMS CLAMP METER AC/DC °F MIN/MAX TEMP HOLD AC600V DC600V 500V CAT II FRONT PANEL DESCRIPTION NO. ITEM DESCRIPTION Clamp Jaws Measure AC and DC current by clamping it around a single current carrying wire. -
Page 8: Specifications
SPECIFICATIONS GENERAL Display: digit 4000 count LCD Maximum Display: 3999 Ranging: Auto Auto Shut-off: Meter will shut-off after 15 minutes from last use Polarity: Automatic, minus (-) sign indicates negative polar- ity, no sign for positive polarity Input impedance: 10M (DCV / ACV) Continuity: Audible signal sounds if resistance is less than 36 (Note: The display will read up to 400.0 in continu-... -
Page 9: Ranges And Accuracy
RANGES AND ACCURACY FUNCTION RANGE RESOLUTION ACCURACY DC VOLTAGE 400mV 0.1mV ±(1.0% reading + 4 digits) (DC V) 0.001V 0.01V 400V 0.1V 600V AC VOLTAGE 0.001V ±(1.5% reading + 4 digits) (AC V) 0.01V @ 50Hz, 60Hz and 400Hz 400V 0.1V ±(3.5% reading + 4 digits) 600V... -
Page 10: Operating Instructions
OPERATING INSTRUCTIONS 1. DC VOLTAGE MEASUREMENT WARNING : MAXIMUM INPUT IS 600V DC. ➔ Plug the red test lead into V/F jack and the black test lead into COM jack. ➔ Press the Power button. ➔ ʻ400.0ʼ, and will appear on the display with the digit ʻ4ʼ flashing. ➔... -
Page 11: Dc Current Measurement
3. DC CURRENT MEASUREMENT WARNING : DO NOT BREAK OR OPEN THE DC LINE BEING MEASURED. WHEN MEASURING DC CURRENT THIS UNIT IS DESIGNED TO CLAMP AROUND ONE OF THE DC LINES. DO NOT ATTEMPT TO MEASURE CURRENT USING THE TEST LEADS. DO NOT PUT MORE THAN ONE WIRE INSIDE THE CLAMP JAW. -
Page 12: Resistance Measurement
For maximum accuracy it is recommended that the conductor passes through the centre of the clamp head opening (use the centering marks on the jaws as a guide). ➔ Apply power to the AC line being measured. ➔ Read the displayed current indicated with proper decimal point and symbols. -
Page 13: Frequency Measurement
7. FREQUENCY MEASUREMENT NOTE: The meter will read frequency of voltages from 10V to 600V. ➔ Plug the red test lead into V/F jack and the black test lead into COM jack. ➔ Press the Power button. ➔ ʻ400.0ʼ, and will appear on the display with the digit ʻ4ʼ flashing. ➔... -
Page 14: Data Hold Function
➔ Apply the test probes to the component or clamp jaws around the wire whose variable is to be measured. a) For MIN value measurement: ➔ Press MIN/MAX pushbutton once, ʻMINʼ and ʻD-Hʼ will appear on the display. As the value changes, the meter will show the lowest value measured. -
Page 15: Battery Replacement
11. BATTERY REPLACEMENT WARNING: DISCONNECT BOTH TEST LEADS FROM ANY SOURCE OF VOLTAGE BEFORE REMOVING THE BACK COVER. DO NOT OPERATE THE METER UNTIL THE BACK COVER IS IN PLACE AND FASTENED SECURELY. will appear in the display when the battery drops below the operating BATT voltage and requires replacing. -
Page 16: Accessories
Carrying Case LIMITED WARRANTY Circuit-Test Electronics warrants to the original purchaser that this product be free of defect in material or workmanship for a period of 2 years from the date of purchase. Visit our website (www.circuittest.com) for information on warranty service.