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Delmhorst RC-1E Owner's Manual

Wood moisture meter
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RC-1E
Wood Moisture Meter
Owner's Manual
© 2002 Delmhorst Instrument Co

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Summary of Contents for Delmhorst RC-1E

  • Page 1 RC-1E Wood Moisture Meter Owner’s Manual © 2002 Delmhorst Instrument Co...

  • Page 2: Table Of Contents

    Contents 1. Introduction ......................... 2 2. Meter Features ......................3 3. Calibration Check ......................4 4. Battery Check ......................4 5. Taking Moisture Readings ................... 4 6. Temperature Correction ....................6 7. Pin Correction ......................7 8. Species Correction ...................... 8 9.

  • Page 3: Introduction

    1. Introduction Thank you for purchasing the RC-1E, a resistance-type moisture meter that features a three-range analog scale (A, B & C). The meter indicates wood moisture content as a percentage of the oven dry weight in wood. The scale covers a range of 6% to 80%.

  • Page 4: Meter Features

    Panel Meter – Easy to read, analog display. Electrode Connector – Connect any external special application Delmhorst electrode. Refer to our website (www.delmhorst.com) for the common prods and electrodes for the materials in the meter. On / Off Switch – To turn the meter on push the switch to “ON” and release it, meter remains active for four minutes.

  • Page 5: Calibration Check

    Continued use with a low battery may cause the meter to go out of calibration. If you install a new battery and the instrument still does not indicate a proper calibration, return it to DELMHORST for service. See the “Service for Your Meter” section. 4. Battery Check To check the battery voltage, push the “ON/OFF”...
  • Page 6 For best accuracy, the following corrections should be applied to meter readings: Temperature Correction –As wood temperature increases, its electrical resistance decreases and indicated moisture content rises. Lower wood temperatures result in lower indicated moisture content. Refer to the temperature correction table.

  • Page 7: Temperature Correction

    6. Temperature Correction METER READINGS °C °F Moisture content values shown shaded are only qualitative, since they are above the fiber saturation point. The temperature correction values shown in this chart have been rounded for easy reference.

  • Page 8: Pin Correction

    The above correction should be disregarded when the insulation of the pins has worn off, or if non-insulated pins are used. Species Correction – Delmhorst uses Douglas Fir, the USDA standard, as the basis for all wood meter reference calibrations. Because the electrical characteristics of different species vary, all species read differently at the same moisture content.

  • Page 9: Species Correction

    8. Species Correction METER READINGS WITH NON-INSULATED PINS SPECIES ALDER 15 17.5 19.5 21.5 APITONG ASPEN 10 11.5 15 16.5 ASH, WHITE 13 14.5 19.5 BASSWOOD 9 10.5 20.5 BIRCH 19 21.5 23.5 25.5 CEDAR, EAST. RED 9.5 10.5 CEDAR, INCENSE 9.5 10.5 12.5 CHERRY 11 13.5 15.5...
  • Page 10 GUM, BLACK 20.5 GUM, RED 10 12.5 14.5 16.5 19 20.5 22.5 HEMLOCK, WESTERN 9 10.5 19 20.5 22 23.5 HACKBERRY 17 18.5 HICKORY 11 12.5 14 15.5 19 20.5 KERUING LARCH 23 25.5 MAGNOLIA 10 11.5 16 17.5 22.5 24.5 MAHOGANY, AFRICAN 9.5 10.5 17 19.5...
  • Page 11 PINE, SO. YELLOW* 9.5 10.5 12 14.5 16.5 PINE, SUGAR PINE, WHITE 23 25.5 POPLAR, YELLOW 13 15.5 17.5 19.5 RAMIN RADIATA PINE REDWOOD 12 13.5 SPRUCE, SITKA 10 12.5 14.5 21 23.5 SPF** 10 11.5 13 15.5 18 20.5 SPF/COFI TEAK 17 18.5...

  • Page 12: Care For Your Meter

    If your meter is not working properly, replace the batteries and check the calibration. If this does not resolve the problem, go to www.delmhorst.com and follow the instructions under the Support tab. If you require further assistance, please call 877-DELMHORST...

  • Page 13: Warranty

    90 days. See the owner’s manual or Delmhorst website (www.delmhorst.com) for warranty period on your specific product. If, within the warranty period of the product, you find any defect in material or workmanship, return the meter to Delmhorst or an authorized reseller, using the return form https://www.delmhorst.com/returns-service-...
  • Page 14 Info@delmhorst.com 973-334-2557 For almost 80 years Delmhorst Instrument has been the leading manufacturer of high quality, US-made moisture meters and thermo-hygrometers. Today we offer a wide range of meters for applications including water damage restoration, construction, flooring, lumber/woodworking, paper, and agriculture.