Extech Instruments 401025 User Manual
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Extech Instruments 401025 User Manual

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USER MANUAL
Model 401025
Digital Light Meter
Additional User Manual Translations available at
GlobalTestSupply
www.
.com
Find Quality Products Online at:
sales@GlobalTestSupply.com

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Summary of Contents for Extech Instruments 401025

  • Page 1 USER MANUAL Model 401025 Digital Light Meter Additional User Manual Translations available at GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 2: Meter Description

    User Guide, Product Updates, and Support. Meter Description LCD Display Data Hold Switch Power Off/Range Switch Analog Output Terminal Battery Compartment (rear) LUX/Fc Switch & Response Switch Light Sensor Zero adjust 401025-en-GB_v2.9 5/18 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 3: Operation

    Reading x10 20,000 Reading x10 50,000 Reading x100 Example: If a measurement on the 5000 Fc range displays 350 the actual measured value is: 350 x 10 = 3500 Fc. 401025-en-GB_v2.9 5/18 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 4: Selecting A Measurement Range

    Lighting Type Correction Factors The 401025 light meter is calibrated under a precise Standard tungsten light source of 2856 K. If the meter is to be used under a different type of light the correction factor of from the table below should be applied to the readings obtained.

  • Page 5: Replacing The Battery

    Main instrument: 163 x 70 x 30 mm (6.4 x 2.8 x Sensor Probe: 85 x 55 x 12 mm (3.2 x 2.2 x Optional Accessories Vinyl pouch carrying case (Part Number 409996) 401025-en-GB_v2.9 5/18 GlobalTestSupply www. .com Find Quality Products Online at:...
  • Page 6 0.1 Fc ± (5% + 2digits) 2,000 Fc 200-1,999 Fc 1 Fc ± (5% + 2digits) 5,000 Fc 2,000-5,000 Fc 10 Fc ± (5% + 2digits) Frequency Spectrum Wavelength (nm) 401025-en-GB_v2.9 5/18 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 7: Appendix A - Typical Light Levels

    1.464 x 10 -3 watts @ 555 nm Copyright © 2013-2018 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form ISO-9001 Certified 401025-en-GB_v2.9 5/18 GlobalTestSupply www. .com Find Quality Products Online at:...

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