User's Guide True RMS Multimeter Extech 430

EX430-EU-EN v5.5 08/13 10CAPACITANCE MEASUREMENTS WARNING: To avoid electric shock, disconnect power to the unit under test and discharge all capaci

EX430-EU-EN v5.5 08/13 11CONTACT TEMPERATURE MEASUREMENTS 1. Set the function switch to the black Type K ºC or ºF position. 2. Insert the Temperat

EX430-EU-EN v5.5 08/13 12HOLD The hold function freezes the reading in the display. Press the HOLD key momentarily to activate or to exit the hold f

EX430-EU-EN v5.5 08/13 13Specifications Function Range Resolution Accuracy DC Voltage 400mV 0.1mV (0.3% reading + 2 digits) 4V 0.001V (0.5% re

EX430-EU-EN v5.5 08/13 14Function Range Resolution Accuracy Frequency 5.000Hz 0.001Hz (1.5% reading + 5 digits) 50.00Hz 0.01Hz 500.0Hz 0.1Hz (1

EX430-EU-EN v5.5 08/13 15Maintenance WARNING: To avoid electrical shock, disconnect the meter from any circuit, remove the test leads from the input

EX430-EU-EN v5.5 08/13 16REPLACING THE FUSES WARNING: To avoid electrical shock, disconnect the meter from any circuit, remove the test leads from t

EX430-EU-EN v5.5 08/13 2Introduction Congratulations on your purchase of the Extech 430 (part number EX430) True RMS Autoranging Multimeter. This me

EX430-EU-EN v5.5 08/13 3CAUTIONS  Improper use of this meter can cause damage, shock, injury or death. Read and understand this user manual before

EX430-EU-EN v5.5 08/13 4OVERVOLTAGE CATEGORY III This meter meets the IEC 610-1-2001 standard for OVERVOLTAGE CATEGORY III. Cat III meters are prote

EX430-EU-EN v5.5 08/13 5Controls and Jacks 1. 4000 count LCD display 2. HOLD 3. SELECT button 4. Function switch 5. mA, uA and A input jacks 6.

EX430-EU-EN v5.5 08/13 6Operating Instructions WARNING: Risk of electrocution. High-voltage circuits, both AC and DC, are very dangerous and should

EX430-EU-EN v5.5 08/13 7AC VOLTAGE MEASUREMENTS WARNING: Risk of Electrocution. The probe tips may not be long enough to contact the live parts ins

EX430-EU-EN v5.5 08/13 8AC CURRENT MEASUREMENTS CAUTION: Do not make current measurements on the 20A scale for longer than 30 seconds. Exceeding 30

EX430-EU-EN v5.5 08/13 9CONTINUITY CHECK WARNING: To avoid electric shock, never measure continuity on circuits or wires that have voltage on them.