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Summary of Contents for Extech Instruments EX411A
- Page 1 ® EXTECH USER MANUAL INSTRUMENTS True RMS Multimeter Extech EX411 A Al/TO HOI.DRB..-41 Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 TestEquipmentDepot.com...
- Page 2 Introduction Congratulations on your purchase of the Extech EX411A True RMS Multimeter. This meter measures AC/DC Voltage, AC/DC Current, Resistance, Diode Test, and Continuity plus Thermocouple Temperature. Proper use and care of this meter will provide many years of reliable service.
- Page 3 In case the device is going to be unused for an extended period of time, remove the batteries to prevent them from draining. Expired or damaged batteries can cause cauterization on contact with skin. Always use suitable hand protection. See that the batteries are not short-circuited. Do not throw batteries into fire. EX411A-en-GB_v5.0 6/16...
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Page 4: Overvoltage Category
ALWAYS turn off the power and disconnect the test leads before opening the covers to replace the fuse or battery. NEVER operate the meter unless the back cover and the battery cover is in place and fastened securely. Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 TestEquipmentDepot.com EX411A-en-GB_v5.0 6/16... -
Page 9: Continuity Check
Shorted devices will indicate near 0 and the continuity beeper will sound. An open device will indicate • in both polarities. "1 2- ! � .., ..,_ Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 TestEquipmentDepot.com EX411A-en-GB_v5.0 6/16... -
Page 11: Specifications
(% reading) – This is the accuracy of the measurement circuit. (+ digits) – This is the accuracy of the analog to digital converter. NOTE: Accuracy is stated at 18 C to 28 C (65 F to 83 F) and less than 75% RH. EX411A-en-GB_v5.0 6/16... - Page 12 For indoor use and in accordance with the requirements for double insulation to IEC 61010-1 (EN61010-1) 3 edition (2010); Overvoltage Category III 600V; Pollution Degree 2. Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 TestEquipmentDepot.com EX411A-en-GB_v5.0 6/16...
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Page 14: Replacing The Fuses
9. Replace and secure the rear cover, battery and battery cover. WARNING: To avoid electric shock, do not operate your meter until the fuse cover is in place and fastened securely. Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 TestEquipmentDepot.com EX411A-en-GB_v5.0 6/16...
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