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Extech Instruments EX820A Quick Start Manual
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Extech Instruments EX820A Quick Start Manual

1000 a ac true rms clamp meter with ir thermometer
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Quick Start
1000 A AC True RMS
Clamp Meter with IR
Thermometer
MODEL EX820A

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Summary of Contents for Extech Instruments EX820A

  • Page 1 Quick Start 1000 A AC True RMS Clamp Meter with IR Thermometer MODEL EX820A...
  • Page 2 Quick Start (EN) INTRODUCTION The Extech EX820A measures AC Current, AC/DC Voltage, Resist- ance/Continuity, Capacitance, Diode, Frequency, and Temperature (IR detection and Type K thermocouple). The double moulded case is designed for heavy duty use. DOCUMENTATION ADVISORY This Quick Start is intended for setup and reference only, please download and read the User Manual before taking measurements (link below).
  • Page 3 CAUTION • Always remove the test leads before replacing the battery. • Inspect the condition of the test leads and the meter itself for any damage before operating the meter. • Use caution when making measurements if the voltage > 35 V DC or V AC RMS.

  • Page 4: Meter Description

    METER DESCRIPTION Current clamp. Clamp trigger. Backlight button. Function switch. IR measure button. Control buttons. Backlit LCD. Negative test lead jack. Positive test lead jack. Battery compartment and lenses on back of meter. CONTROL BUTTONS Set function switch to the IRT position, then hold this button to scan surface temperature.
  • Page 5 Short press to switch to the manual range and then to step through the available ranges. Long press to return to Auto range. Short press to select an alternate mode for the selected function. For example, to select AC or DC when measuring voltage. Short press to toggle the Maximum and Minimum readings.
  • Page 6 Low Impedance Mode (LoZ) If ghost voltages are a concern, select the LoZ switch position when measuring voltage, to lower the input impedance to approxi- mately 3 kΩ. MEASURING CURRENT WITH THE CLAMP WARNING Disconnect the test leads before making clamp measurements. 1.
  • Page 7 MEASURING VOLTAGE, FREQUENCY, RESISTANCE, DIODE, CAPACITANCE These measurements are made with the test leads placed ‘across’ the device or circuit under test (in parallel). WARNING Risk of electrocution. High-voltage AC/DC circuits are extremely dangerous and should be measured with great care. Do not measure resistance, diode, or capacitance on powered devices.

  • Page 8: Ir Temperature Measurements

    IR TEMPERATURE MEASUREMENTS CAUTION Do not directly view or point the laser at an eye. 1. Set the function switch to the IRT position. 2. Press and hold the laser button and aim the laser pointer toward a surface. 3. With the IRT button still depressed, long press MODE to toggle °F and °C.
  • Page 9 TYPE K TEMPERATURE MEASUREMENTS CAUTION The supplied thermocouple is rated for 482℉ (250℃) maximum. 1. Rotate the function switch to the K TEMP position. Press MODE to select °F or °C. 2. Insert the temperature probe into the test lead jacks, observing correct polarity.

  • Page 10: Basic Specifications

    BASIC SPECIFICATIONS For complete specifications, please download the user manual. Display Backlit LCD with multifunction indicators Over-range OL display indication Battery power 9 V battery Operating 32 to 122℉ (0 to 50℃) temperature Operating humidity 80% RH max. up to 87℉ (31℃) Dimensions 10.6 x 4.3 x 2.0 in.

  • Page 11: Customer Support

    CUSTOMER SUPPORT Customer Support Local Telephone List: https://support.flir.com/contact Returns (RMA): https://customer.flir.com/Home WARRANTY Teledyne FLIR warrants this Extech brand instrument to be free of defects in parts and workmanship for two years from date of ship- ment. To view the full warranty text, please visit the support site, link below.
  • Page 12 #NAS100186; r. AE/96720/98047; en-US...

  • Page 14: Quick Start

    Quick Start last page Website http://www.flir.com Customer support http://support.flir.com Copyright © 2024, FLIR Systems, Inc. All rights reserved worldwide. Disclaimer Specifications subject to change without further notice. Models and accessories subject to regional market considerations. License procedures may apply. Products described herein may be subject to US Export Regulations. Please refer to exportquestions@flir.com with any questions.