Extech Instruments 411 Guida Utente

User's GuideTrue RMS MultimeterExtech 411

EX411-EU_ENG V4.0 5/0710TEMPERATURE MEASUREMENTS1. Set the function switch to the TEMP position.2. Insert the Temperature Probe into theTemperature So

EX411-EU_ENG V4.0 5/0711SpecificationsFunction Range Resolution AccuracyDC Voltage(V DC)200mV 0.1mV(0.3% reading + 2 digits)2V 0.001V(0.5% reading +

EX411-EU_ENG V4.0 5/0712General SpecificationsDiode Test Test current of 1mA maximum, open circuit voltage 2.8V DCtypicalContinuity Check Audible sign

EX411-EU_ENG V4.0 5/0713MaintenanceWARNING: To avoid electrical shock, disconnect the meter from any circuit, remove thetest leads from the input term

EX411-EU_ENG V4.0 5/0714REPLACING THE FUSESWARNING: To avoid electrical shock, disconnect the meter from any circuit, remove thetest leads from the in

EX411-EU_ENG V4.0 5/072IntroductionCongratulations on your purchase of the Extech 411 (part number EX411) True RMSMultimeter. This meter measures AC/D

EX411-EU_ENG V4.0 5/073CAUTIONS Improper use of this meter can cause damage, shock, injury or death. Read andunderstand this user manual before opera

EX411-EU_ENG V4.0 5/074OVERVOLTAGE CATEGORY IIIThis meter meets the IEC 610-1-2001 standard for OVERVOLTAGE CATEGORY III. Cat IIImeters are protected

EX411-EU_ENG V4.0 5/075Controls and Jacks1. Rubber holster2. 2000 count LCD display3. °F button4. °C button5. Function switch6. mA, uA and A input jac

EX411-EU_ENG V4.0 5/076Operating InstructionsWARNING: Risk of electrocution. High-voltage circuits, both AC and DC, are verydangerous and should be me

EX411-EU_ENG V4.0 5/077AC VOLTAGE MEASUREMENTSWARNING: Risk of Electrocution. The probe tips may not be long enough to contact thelive parts inside so

EX411-EU_ENG V4.0 5/078AC CURRENT MEASUREMENTSCAUTION: Do not make current measurements on the 20A scale for longer than 30seconds. Exceeding 30 secon

EX411-EU_ENG V4.0 5/079CONTINUITY CHECKWARNING: To avoid electric shock, never measure continuity on circuits or wires that havevoltage on them.1. Set