User's Guide Autoranging True RMS Multimeter Extech EX505

EX505 V6.1 11/07 10 Maintenance WARNING: To avoid electric shock, disconnect the test leads from any source of voltage before removing the back c

EX505 V6.1 11/07 11 REPLACING THE FUSES WARNING: To avoid electric shock, disconnect the test leads from any source of voltage before removing the

EX505 V6.1 11/07 12 Specifications Function Range Resolution Accuracy 400mV 0.1mV ±(0.5% reading + 2 digits) 4V 0.001V 40V 0.01V 400V 0.1V ±(1.

EX505 V6.1 11/07 13 Function Range Resolution Accuracy 400Ω 0.1Ω ±(1.2% reading + 4 digits) 4kΩ 0.001kΩ ±(1.0% reading + 2 digits) 40kΩ 0.01k

EX505 V6.1 11/07 14 Enclosure Double molded, waterproof (IP67) Shock (Drop Test) 6.5 feet (2 meters) Diode Test Test current of 0.3mA typical,

EX505 V6.1 11/07 2 Introduction Congratulations on your purchase of the Extech EX505 True RMS Autoranging Multimeter. This meter measures AC/DC Vo

EX505 V6.1 11/07 3 SAFETY INSTRUCTIONS This meter has been designed for safe use, but must be operated with caution. The rules listed below must b

EX505 V6.1 11/07 4 Controls and Jacks 1. 4,000 count LCD display 2. RANGE button 3. Hz and % button 4. Mode button 5. Function switch 6. mA, µ

EX505 V6.1 11/07 5 Operating Instructions WARNING: Risk of electrocution. High-voltage circuits, both AC and DC, are very dangerous and should be

EX505 V6.1 11/07 6 DC CURRENT MEASUREMENTS CAUTION: Do not make 20A current measurements for longer than 30 seconds. Exceeding 30 seconds may cau

EX505 V6.1 11/07 7 RESISTANCE MEASUREMENTS WARNING: To avoid electric shock, disconnect power to the unit under test and discharge all capacitors

EX505 V6.1 11/07 8 TEMPERATURE MEASUREMENTS 1. Set the function switch to the ºF or ºC position. 2. Insert the Temperature Probe into the input ja

EX505 V6.1 11/07 9 FREQUENCY SENSITIVITY (ELECTRICAL) The frequency sensitivity is range dependent when the function is selected from while in the