Related Manuals for Extech Instruments EX430A
Summary of Contents for Extech Instruments EX430A
- Page 1 USER MANUAL True RMS Multimeter Extech EX430A GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
- Page 2 Safety International Safety Symbols This symbol, adjacent to another symbol or terminal, indicates the user must refer to the manual for further information. This symbol, adjacent to a terminal, indicates that, under normal use, hazardous voltages may be present Double insulation This WARNING symbol indicates a potentially hazardous situation, which if not WARNING avoided, could result in death or serious injury.
- Page 3 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 put batteries into fire. EX430A-en-GB_v6.0 7/16 GlobalTestSupply www. .com Find Quality Products Online at:...
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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 and fuse covers are in place and fastened securely. EX430A-en-GB_v6.0 7/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... - Page 5 Farads (capacitance) mega (10 ) (ohms) Ohms Hertz (frequency) Volts Percent (duty ratio) Relative Alternating current AUTO Autoranging Direct current HOLD Display hold ºF Degrees Fahrenheit ºC Degrees Centigrade EX430A-en-GB_v6.0 7/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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Page 6: Dc Voltage Measurements
Insert the red test lead banana plug into the positive V jack. 4. Touch the black test probe tip to the negative side of the circuit. Touch the red test probe tip to the positive side of the circuit. 5. Read the voltage in the display. EX430A-en-GB_v6.0 7/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 7: Ac Voltage Measurements
7. Touch the black test probe tip to the negative side of the circuit. Touch the red test probe tip to the positive side of the circuit. 8. Apply power to the circuit. 9. Read the current in the display. EX430A-en-GB_v6.0 7/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 8: Ac Current Measurements
4. Touch the test probe tips across the circuit or part under test. It is best to disconnect one side of the part under test so the rest of the circuit will not interfere with the resistance reading. 5. Read the resistance in the display. EX430A-en-GB_v6.0 7/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 9: Continuity Check
4. Touch the test probes to the diode under test. Forward voltage will typically indicate 0.400 to 0.700V. Reverse voltage will indicate “OL”. Shorted devices will indicate near 0V and an open device will indicate “OL” in both polarities. EX430A-en-GB_v6.0 7/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 10: Capacitance Measurements
Hz jack. Press the SELECT key momentarily to select % in the display. Touch the test probe tips to the circuit under test. Read the % duty cycle on the display. EX430A-en-GB_v6.0 7/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 11: Contact Temperature Measurements
Press the REL button to exit the relative mode. Note: The Relative function does not operate in the Frequency function. DISPLAY BACKLIGHT Press the key for to turn on or off the display backlight function. EX430A-en-GB_v6.0 7/16 GlobalTestSupply www. .com Find Quality Products Online at:... -
Page 12: Auto Power Off
10A or uA/mA input jack and a non-current (green, black or red) function is selected. If this occurs, turn the meter off and reinsert the test lead into the proper input jack for the function selected. EX430A-en-GB_v6.0 7/16 GlobalTestSupply www. -
Page 13: Specifications
40F 0.01F (5.0% reading + 5 digits) 100F 0.1F NOTE: Accuracy is stated at 18 C to 28 C (65 F to 83 F) and less than 75% RH. EX430A-en-GB_v6.0 7/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... - Page 14 Safety For indoor use and in accordance with the requirements for double insulation to IEC 61010-1 (EN 61010-1), 2010, 3 edition for Overvoltage Category III 600V, Pollution Degree 2. EX430A-en-GB_v6.0 7/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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Page 15: Maintenance
WARNING: To avoid electric shock, do not operate the meter until the battery cover is in place and fastened securely. NOTE: If your meter does not work properly, check the fuses and batteries to make sure that they are still good and that they are properly inserted. EX430A-en-GB_v6.0 7/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 16: Replacing The Fuses
8. Align the center board with the connectors and gently press into place. 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. EX430A-en-GB_v6.0 7/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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