Page 2 - International Safety Symbols; symbol indicates a potentially hazardous situation, which if not; symbol indicates a potentially hazardous situation, which if not; WARNING
EX470-en-GB_v5.6 4/15 2 Introduction Congratulations on your purchase of the Extech 470 (part number EX470) True RMS Autoranging Multimeter plus IR Thermometer. This meter measures AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency, Duty Cycle, Diode Test, and Continuity plus Thermocou...
Page 3 - CAUTIONS; Do not directly view or direct the laser pointer at an eye.
EX470-en-GB_v5.6 4/15 3 CAUTIONS Improper use of this meter can cause damage, shock, injury or death. Read and understand this user manual before operating the meter. Always remove the test leads before replacing the battery or fuses. Inspect the condition of the test leads and the meter itsel...
Page 6 - Operating Instructions; should be measured with great care.; DC VOLTAGE MEASUREMENTS; Large voltage surges may occur that can damage the meter.; COM; Insert the red test lead banana plug into the positive
EX470-en-GB_v5.6 4/15 6 Operating Instructions WARNING : Risk of electrocution. High-voltage circuits, both AC and DC, are very dangerous and should be measured with great care. 1. ALWAYS turn the function switch to the OFF position when the meter is not in use. 2. If “OL” appears in the display dur...
Page 10 - distance to spot size specification.; WARNING: Do not directly view or direct the laser pointer at an eye.; Low power visible lasers; Diameter of Spot
EX470-en-GB_v5.6 4/15 10 CONTACT TEMPERATURE MEASUREMENTS 1. Set the function switch to the black Type K ºC or ºF position. 2. Insert the Temperature Probe into the input jacks, making sure to observe the correct polarity. 3. Touch the Temperature Probe head to the part whose temperature you wish to...
Page 11 - CAPACITANCE MEASUREMENTS; Insert the red test lead banana plug into the positive jack.; FREQUENCY MEASUREMENTS; red test lead banana plug into the positive Hz jack.
EX470-en-GB_v5.6 4/15 11 CAPACITANCE MEASUREMENTS WARNING: To avoid electric shock, disconnect power to the unit under test and discharge all capacitors before taking any capacitance measurements. Remove the batteries and unplug the line cords. 1. Set the rotary function switch to the green position...
Page 13 - Specifications
EX470-en-GB_v5.6 4/15 13 Specifications Function Range Resolution Accuracy DC Voltage 400mV 0.1mV (0.3% reading + 2 digits) 4V 0.001V (0.5% reading + 2 digits) 40V 0.01V 400V 0.1V 1000V 1V (0.8% reading + 3 digits) AC Voltage 50 to 400Hz 400Hz to 1kHz 400mV 0.1mV (1.5% reading + 15 digits) ...
Page 15 - Maintenance; Battery Replacement
EX470-en-GB_v5.6 4/15 15 Maintenance WARNING: To avoid electrical shock, disconnect the meter from any circuit, remove the test leads from the input terminals, and turn OFF the meter before opening the case. Do not operate the meter with an open case. This MultiMeter is designed to provide years of ...
Page 16 - Copyright; ISO
EX470-en-GB_v5.6 4/15 16 REPLACING THE FUSES WARNING: To avoid electrical shock, disconnect the meter from any circuit, remove the test leads from the input terminals, and turn OFF the meter before opening the case. Do not operate the meter with an open case. 1. Disconnect the test leads from the me...