Extech Instruments EX530 User Manual
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Extech Instruments EX530 User Manual

True rms industrial multimeter
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User's Guide
True RMS Industrial Multimeter
Extech EX530

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Summary of Contents for Extech Instruments EX530

  • Page 1 User's Guide True RMS Industrial Multimeter Extech EX530...
  • Page 2 Introduction Congratulations on your purchase of the Extech EX530 True RMS Autoranging Multimeter. This meter measures AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency (electrical & electronic), Duty Cycle, Diode Test, and Continuity plus Thermocouple Temperature. It features a waterproof, rugged design for heavy duty use. Proper use and care of this meter will provide many years of reliable service.
  • Page 3 • Expired or damaged batteries can cause cauterization on contact with the skin. Always, therefore, use suitable hand gloves in such cases • See that the batteries are not short-circuited. Do not throw batteries into the fire. EX530-EU_ENG V3.4 1/08...

  • Page 4: Safety Instructions

    NEVER operate the meter unless the back cover and the battery and fuse covers are in place and fastened securely. If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired. EX530-EU_ENG V3.4 1/08...
  • Page 5 ) (ohms) Farads (capacitance) mega (10 ) (ohms) Ω Ohms PEAK Peak Hold Hertz (frequency) Volts Percent (duty ratio) Relative Alternating current AUTO Autoranging Direct current HOLD Display hold ºF Degrees Fahrenheit ºC Degrees Centigrade Maximum Minimum EX530-EU_ENG V3.4 1/08...

  • Page 6: Dc Voltage Measurements

    4. Read the voltage in the display. 5. Press the MODE button to indicate “Hz”. 6. Read the frequency in the display. 7. Press the MODE button again to indicate “%”. 8. Read the % of duty cycle in the display. EX530-EU_ENG V3.4 1/08...

  • Page 7: Dc Current 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. EX530-EU_ENG V3.4 1/08...

  • Page 8: Ac Current (Frequency, Duty Cycle) 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. EX530-EU_ENG V3.4 1/08...

  • 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. EX530-EU_ENG V3.4 1/08...

  • Page 10: Temperature Measurements

    Hz jack. 3. Touch the test probe tips to the circuit under test. 4. Read the frequency on the display. 5. Press the MODE button to indicate “%”. 6. Read the % duty cycle in the display. EX530-EU_ENG V3.4 1/08...

  • Page 11: Autoranging/Manual Range Selection

    2. Press the REL button to store the reading in the display and the "REL" indicator will appear on the display. 3. The display will now indicate the difference between the stored value and the measured value. 4. Press the REL button to exit the relative mode. EX530-EU_ENG V3.4 1/08...

  • Page 12: Display Backlight

    The auto off feature will turn the meter off after 15 minutes. To disable the auto power off feature, hold down the MODE button and turn the meter on. “APO d” will appear in the display. Turn the meter off and then on again to re-enable the auto power off feature. EX530-EU_ENG V3.4 1/08...

  • Page 13: Maintenance

    You can hand over your used batteries / accumulators, gratuitously, at the collection points for our branches in your community or wherever batteries / accumulators are sold! Disposal Follow the valid legal stipulations in respect of the disposal of the device at the end of its lifecycle EX530-EU_ENG V3.4 1/08...

  • Page 14: Replacing The Fuses

    [SIBA 70-172-40], 10A/1000V fast blow for the 20A range [SIBA 50-199-06]). 7. 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. EX530-EU_ENG V3.4 1/08...

  • Page 15: Specifications

    (20A: 30 sec max with reduced accuracy) All AC voltage ranges are specified from 5% of range to 100% of range NOTE: Accuracy is stated at 65 F to 83 F (18 C to 28 C) and less than 75% RH. EX530-EU_ENG V3.4 1/08...
  • Page 16 0mA=-25%, 4mA=0%, 20mA=100%, 24mA=125% Note: Accuracy specifications consist of two elements: • (% reading) – This is the accuracy of the measurement circuit. • (+ digits) – This is the accuracy of the analog to digital converter. EX530-EU_ENG V3.4 1/08...
  • Page 17 The UL mark does not indicate that this product has been evaluated for the accuracy of its readings. Copyright © 2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.

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