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TABLE OF CONTENTS
1
RC-1E Features
1
Before You Begin
1
Calibration Check
2
2
3
4
6
7
8
FEATURES
• Resistance technology recognized world wide as the most accurate method
for measuring moisture
• 6% -80% moisture range
• Analog readout
• Built-in calibration and battery check
• Temperature stable circuit
• One year warranty
• Over 50 years of proven quality, accuracy and service
BEFORE YOU BEGIN
The RC-1E features a three range analog scale (A, B & C) that reads wood
moisture content directly as a percentage of the dry weight in the wood. The
scale covers a range of 6% to 80%. The C scale on the meter is also a 0-100
relative scale and is used for relative readings on non-wood materials.
*NOTE: The numbers in parentheses refer to the RC-1E/SP
CALIBRATION CHECK
To check the calibration, first put the selector switch on the "B" scale. Push the
"ON/OFF" switch to the "ON" position and hold. The meter is in calibration if it
reads "20%" ±1% (23%)±1% or within the green band on the "B" scale. If the
needle does not read within the green band on the "B" scale, it is likely an
indication of low battery power. If this occurs, change the battery immediately.
Find Quality Products Online at:
Delmhorst Instrument Co.
Model RC-1E
Owners Manual
1
GlobalTestSupply
www.
.com
sales@GlobalTestSupply.com
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Summary of Contents for Delmhorst Instrument Co RC-1E
- Page 1 • Over 50 years of proven quality, accuracy and service BEFORE YOU BEGIN The RC-1E features a three range analog scale (A, B & C) that reads wood moisture content directly as a percentage of the dry weight in the wood. The scale covers a range of 6% to 80%.
- Page 2 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”...
- Page 3 Delmhorst uses the USDA standard-Douglas Fir as the basis for all calibrations. For any species other than Douglas Fir and for wood temperature out of the range of 50°F (10°C) to 90°F (32°C) temperature and species adjustment must be made. Correct for temperature first, then species. See temperature correction table and species correction tables below.
- Page 4 Species Correction Table 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 18 19.5 BASSWOOD 9 10.5 19 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...
- Page 5 OAK, WHITE 9.5 11.5 13.5 17 18.5 PECAN 11 12.5 16 17.5 PINE, LONGLEAF 13 15.5 17.5 19.5 PINE, PONDEROSA 11 13.5 15.5 17.5 19.5 23 25.5 PINE, SHORTLEAF 13 15.5 17.5 19.5 21.5 23.5 PINE, SO. YELLOW* 9.5 10.5 12 14.5 16.5 PINE, SUGAR PINE, WHITE...
- Page 6 CARE FOR YOUR METER Ø Store your meter in a clean, dry place. Ø Change the 9-Volt battery as needed. Continued use with low batteries may cause the meter to go out of calibration. Ø Change contact pins on probe as needed. Keep pin retainers hand tightened. Ø...
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