Related Manuals for General MMH800-B
Summary of Contents for General MMH800-B
- Page 1 4-IN-1 PIN/PAD RH MOISTURE METER USER’S MANUAL MMH800 Please read this manual carefully and thoroughly before using this product.
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Page 2: Table Of Contents
TABLE OF CONTENTS Introduction ....... . 3 – 4 Key Features ........5 What’s in the Case . -
Page 3: Introduction
INTRODUCTION Thank you for purchasing General Tools & Instruments’ MMH800 4-in-1 Pin/Pad RH Moisture Meter. Please read this user’s manual carefully and thoroughly before using the meter. The MMH800 is designed for use in woodworking, water damage restoration, building construction and home renovation. Examples include: •... - Page 4 However, for hard materials like wood or concrete, the meter’s readings mostly represent surface moisture content because: 1) Moisture close to the surface has a greater effect on a reading than moisture deep below it; and 2) The factory-installed pins of the MMH800 are only 0.2 in. (5mm) long and cannot be driven deep into a hard material.
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Page 5: Key Features
KEY FEATURES • Pin (intrusive measurement of moisture content) and pad (non-intrusive measurement of surface moisture) sensors • Separate 3-digit displays of moisture level and temperature + humidity • Selectable wood or building materials measurement mode • °F/°C unit selection •... -
Page 6: Product Overview
PRODUCT OVERVIEW The figure below shows all of the controls and indicators on the front of the MMH800, as well as the locations of the sensor and battery compartment on its back. FRONT BACK... -
Page 7: Setup Instructions
A. Calibration holes B. Protective cover C. Replaceable test pins low/medium/highmoisture level icon (high moisture shown) Wood icon Building materials icon Beeper enabled icon H. Dual function button: Power on/off (press and hold for >3 seconds); Backlight on/off (press briefly) I. -
Page 8: Operating Instructions
OPERATING INSTRUCTIONS To power on the meter, press the button and hold it for at least three seconds. (To power off the meter, follow the same instruction.) MEASURING MOISTURE LEVEL To measure the moisture level of wood or a building material, first make sure that its icon appears on the left side of the display. -
Page 9: Accounting For Temperature And Humidity
Some measurement tips: 1. To locate the source of a leak behind wood, plaster, drywall or a ceiling, make measurements at different locations. The leak is where the meter displays the highest reading. 2. Never use force to drive the test pins into a hard surface. 3. -
Page 10: Checking Calibration
If either calibration check produces a readout outside the stated range for that mode, and the meter is still under warranty, call General’s Customer Service Department at 212-431-6100 to arrange to return the meter for service or replacement. -
Page 11: Maintenance Tips
General will repair or replace this instrument if, after examination, the company determines it to be defective in material or workmanship This warranty does not apply to damages that General determines to be from an attempted repair by non-authorized personnel or misuse, alterations, normal wear and tear, or accidental damage. -
Page 12: Return For Repair Policy
New York, NY 10013-3567 PHONE (212) 431-6100 FAX (212) 431-6499 TOLL FREE (800) 697-8665 e-mail: sales@generaltools.com www.generaltools.com MMH800 User’s Manual Specifications subject to change without notice ©2011 GENERAL TOOLS & INSTRUMENTS NOTICE - WE ARE NOT RESPONSIBLE FOR TYPOGRAPHICAL ERRORS. MAN#MMH800 6/22/2011...
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