Circuit-test DCL-420 Manual de usuario

USER'S MANUAL CLAMP ON MULTIMETER DCL-420 CIRCUIT-TEST ELECTRONICSwww.circuittest.com

– 8 –OPERATING INSTRUCTIONS1. DC VOLTAGE MEASUREMENT WARNING: MAXIMUM INPUT IS 600V DC. ➔ Plug the red test lead into V/F jack and the black test lead

– 9 –3. DC CURRENT MEASUREMENT WARNING: DO NOT BREAK OR OPEN THE DC LINE BEING MEASURED. WHEN MEASURING DC CURRENT THIS UNIT IS DESIGNED TO

– 10 –For maximum accuracy it is recommended that the conductor passes through the centre of the clamp head opening (use the centering marks on the ja

– 11 –7. FREQUENCY MEASUREMENTNOTE: The meter will read frequency of voltages from 10V to 600V.➔ Plug the red test lead into V/F jack and the black te

– 12 –➔ 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

– 13 –11. BATTERY REPLACEMENT WARNING: DISCONNECT BOTH TEST LEADS FROM ANY SOURCE OF VOLTAGE BEFORE REMOVING THE BACK COVER. DO NOT OPERATE T

– 14 –ACCESSORIESTest Leads (TL-108) ʻKʼ Type thermocouple (TL-190) Screw-on Alligator Clips (TL-210) Battery: 1 x 9V Carrying CaseLIMITED WARRANTYCir

– 1 –TABLE OF CONTENTSSAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2SAFETY SYMBOLS. . . . . . . . . .

– 2 –SAFETY INFORMATIONThis meter is CUL and UL approved and conforms to IEC 61010-1 for Category II - 600V. This meter is designed to be safe under t

– 3 –SAFETY SYMBOLSSafety symbols and special annunciators on the meter and in this manual indicate cautions and warnings of important operational pro

– 4 –INTRODUCTIONDCL-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: –

– 5 –TEMPCIRCUIT-TESTDCL- 420AUTOPOWER OFFZEROADJUSTPOWERAC/DCHz °FV AMIN/MAXHOLDTRUE RMS CLAMP METER!!500VMAXCOM V/FAC600VDC600VCAT IIFRONT PANEL DES

– 6 –SPECIFICATIONSGENERALDisplay: 3 3/4 digit 4000 count LCDMaximum Display: 3999Ranging: AutoAuto Shut-off: Meter will shut-off after 15 minutes

– 7 –RANGES AND ACCURACYFUNCTION RANGE RESOLUTION ACCURACYDC VOLTAGE(DC V)400mV4V40V400V600V0.1mV0.001V0.01V0.1V1V±(1.0% reading + 4 digits)AC VOLTAGE