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DEEP WALL
MOISTURE PROBE FOR
MMD900/MMD950/MMD950W
USER’S MANUAL
MP905
Please read this manual carefully and thoroughly before using this product.
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
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INTRODUCTION
Thank you for purchasing General Tools & Instruments’ MP905
Deep Wall Moisture Probe for General's MMD900, MMD950 or
MMD950W Deep Sensing Moisture Meter. Please read this user’s
manual carefully and thoroughly before using the product.
The MP905 extends the measurement depth of the instruments to
5 inches—the length of the MP905’s twin probes. Like the pins on
any pin-type moisture meter, the twin probes sense the resistance
between them and convert that resistance to a voltage. Circuits
inside the Deep Sensing Moisture Meter read that voltage as a
proxy for the moisture level of the underlying wood or building
material.
OPERATING INSTRUCTIONS
1. Drill two 1/4 in. (6mm) diameter holes 3/4 in. (18mm) apart and up
to 5 in. (127mm) deep into the wall or baseboard (left figure below).
2. Remove the small rubber yellow plug from the External Probe
jack on the right side of the MMD900, MMD950 or MMD950W.
3. Insert the white plug at the end of the MP905 cable into the jack.
4. Push the twin probes into the drilled holes as deeply as required
(right figure below)
5. While firmly holding the probes, read the moisture level on the
LCD of the meter.
3/4 in.
(18mm)
1/4 in.
(6mm)
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SPECIFICATIONS
Length of Twin Probes 5 in. (127mm)
Diameter of Probes 0.14 in. (3.6mm)
Probe Hardness 60 HRC (Hardness Rockwell “C” scale)
Probe Covering Heat shrink tubing
Probe Tips Rounded and replaceable (screw-in)
Length of Probe Cable 56 in. (1.4m)
WARRANTY INFORMATION
General Tools & Instruments’ (General’s) MP905 Deep Wall Moisture
Probe for General's MMD900, MMD950 or MMD950W is warranted to
the original purchaser to be free from defects in material and
workmanship for a period of one year. Subject to certain restrictions,
General will repair or replace this instrument if, after examination, the
company determines it to be defective in material or workmanship.
The warranty period begins on the date of purchase. You are
encouraged to register your product online. General will extend
your warranty an additional 60 days if you register at
www.generaltools.com/ProductRegistry.
This limited 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. The defective unit must be returned to General
Tools & Instruments or to a General-authorized service center,
freight prepaid and insured.
Acceptance of the exclusive repair and replacement remedies
described herein is a condition of the contract for purchase of this
product. In no event shall General be liable for any incidental,
special, consequential or punitive damages, or for any cost,
attorneys’ fees, expenses, or losses alleged to be a consequence of
any damage due to failure of, or defect in any product including,
but not limited to, any claims for loss of profits.
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Register now at www.generaltools.com/ProductRegistry to receive
General Tools & Instruments
GeneralToolsNYC
a 60-day extension to your warranty.
RETURN FOR REPAIR POLICY
Every effort has been made to provide you with a reliable product
of superior quality. However, in the event your instrument requires
repair, please contact our Customer Service to obtain an RGA
(Return Goods Authorization) number before forwarding the unit via
prepaid freight to the attention of our Service Center at this
address:
General Tools & Instruments
75 Seaview Drive Secaucus, NJ 07094-1806
212-431-6100
Remember to include a copy of your proof of purchase, your return
address, and your phone number and/or e-mail address.
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
Specifications subject to change without notice
NOTICE - WE ARE NOT RESPONSIBLE FOR TYPOGRAPHICAL ERRORS.
©2015 GENERAL TOOLS & INSTRUMENTS
MAN# MP905
6/29/15
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