Extech Instruments AUT500 User Manual
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Extech Instruments AUT500 User Manual

Extech Instruments AUT500 User Manual

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USER GUIDE
Automotive Multimeter
MODEL AUT500

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Summary of Contents for Extech Instruments AUT500

  • Page 1 USER GUIDE Automotive Multimeter MODEL AUT500...
  • Page 2 Diode, Continuity, RPM, Dwell, and Duty Cycle. The AUT500 also measures contact temperature via supplied Thermocouple probe. The AUT500 features a rugged design for heavy duty use. This device is shipped fully tested and calibrated and, with proper use, will provide years of reliable service. Please visit our website (www.extech.com) to check for the latest version of this User Guide, Product Updates, and Customer...
  • Page 3 Never connect more than one set of test leads to the meter.  Disconnect the live test lead before disconnecting the common test lead.  The mA and the 20A terminals are protected by fuses. To avoid possible injury or damage, use only in circuits limited to 400mA. AUT500-EU-EN v1.0 5/13...

  • Page 4: Overvoltage Category

    ALWAYS turn off the power and disconnect the test leads before opening the covers to replace the fuse or batteries. NEVER operate the meter unless the back cover and the battery and fuse covers are in place and fastened securely. AUT500-EU-EN v1.0 5/13...
  • Page 5 6. MAX-MIN button 12. COM input jack Note: Tilt stand, test lead holders, and battery compartment are located on rear of unit. Fuses are accessible by removing the meter’s back cover, instructions provided later in this guide. AUT500-EU-EN v1.0 5/13...
  • Page 6 Positive (+) or Negative (-) Trigger Cylinder (4, 5, 6, and 8) Display Hold Multiply displayed reading by 10 Bargraph Manual range (top left on LCD) AUTO Auto range mode Auto Power OFF icon (middle left on LCD) Dwell angle icon AUT500-EU-EN v1.0 5/13...

  • Page 7: Dc Voltage Measurements

    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 as numerical digits and as bar-graph representation. AUT500-EU-EN v1.0 5/13...

  • Page 8: Ac Voltage Measurements

    6. 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. 7. Apply power to the circuit. 8. Read the current in the display as numerical digits and as bar-graph representation. AUT500-EU-EN v1.0 5/13...

  • Page 9: 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. AUT500-EU-EN v1.0 5/13...

  • Page 10: Continuity Check

    4. Read the temperature in the display as numerical digits and as bar-graph representation. Note: The temperature probe is fitted with a type K mini connector. A mini connector to banana connector adaptor is supplied for connection to the meter’s input banana jacks. AUT500-EU-EN v1.0 5/13...

  • Page 11: Capacitance Measurements

    5. Read the % duty cycle on the display. A common automotive application for Duty Cycle is a Mixture Control Solenoid. The meter can display the percentage of time the solenoid’s plunger is in the closed position (low duty cycle) during one cycle. AUT500-EU-EN v1.0 5/13...

  • Page 12: Rpm Measurements

    Position the pickup so it is 6 inches from the spark plug. If no signal is detected or if an erratic signal is detected try another spark plug wire.  Position the magnetic pickup as far from the distributor and exhaust manifold as possible. AUT500-EU-EN v1.0 5/13...

  • Page 13: Display Backlight

    AUTO POWER OFF The Auto Power OFF utility will turn the meter off after 30 minutes of inactivity. LOW BATTERY INDICATION icon indicates battery strength. Replace the batteries promptly when the battery symbol shows low battery capacity. AUT500-EU-EN v1.0 5/13...

  • Page 14: Specifications

    (probe accuracy not included) -22 to 1832F 1F Pulse Width 1.0 to 20.0ms 0.1ms (2.0% reading + 20 digits) Diode (5.0% reading + 15 digits) 1.0mA test; 1mV resolution Continuity Test Current: <1mA DC typical Audible threshold: 35 AUT500-EU-EN v1.0 5/13...
  • Page 15 F) and less than 75% RH 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. AUT500-EU-EN v1.0 5/13...
  • Page 16 0ºC to 50ºC (32ºF to 122ºF); <70% RH Storage conditions -20ºC to 60ºC (-4ºF to 60ºF); <80% RH Indoor use only 2000m (7000ft) elevation maximum Pollution degree Dimensions 182 x 82 x 55mm (7.2 x 3.2 x 2.2”) Weight 375g (13.2 oz.) AUT500-EU-EN v1.0 5/13...

  • Page 17: Maintenance

    WARNING: To avoid electric shock, do not operate the meter until the battery cover is in place and fastened securely. NOTE: If the meter does not work properly, check the fuses and batteries to make sure that they are still good and that they are properly inserted. AUT500-EU-EN v1.0 5/13...

  • Page 18: Replacing The Fuses

    WARNING: To avoid electric shock, do not operate the meter until the fuse cover is in place and fastened securely. Copyright © 2013 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form ISO-9001 Certified www.extech.com AUT500-EU-EN v1.0 5/13...

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