GE Protimeter MMS Manuel utilisateur

Sensing

Protimeter MMS

Moisture Measurement System

Instruction Manual

Sensing

Protimeter MMS

Moisture Measurement System

Instruction Manual

INS5800A

October 2005

Table of Contents

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1. Product Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.1 Switching the MMS ON and OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.2 Optional Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2. Moisture Meter Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.1 Search Mode - Selection and Use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2 Measure Mode - Selection and Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.3 Hygrometer Mode - Selection and Use. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.4 Condensator Mode - Selection and Use . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.5 Setup Mode - Selection and Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.6 Holding and Measurement Storage Mode - Selection and Use . . . . 13

3. Diagnostic Procedure Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4. Calibration Checking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5. Care and Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6. Technical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

7. Displaying the MMS Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

A1. Using the Protimeter MMS to Measure Moisture in Floors . . . . . . . . . . . . . 18

A1.1 Rapid Moisture Level Assessment of Solid Floors. . . . . . . . . . . . . . . . 18

A1.2 Equilibrium Relative Humidity Measurements in Solid Floors. . . . . 19

Protimeter MMS Moisture Measurement System Page 1

Introduction

The Protimeter Moisture Measurement System (Protimeter MMS), is a

powerful and versatile instrument for measuring and diagnosing dampness in

buildings and building materials. This product enables building surveyors and

other practitioners to measure moisture levels of building elements such as

walls, floors and building environments simply by switching between the

three different modes of operation. In this way, a detailed understanding of the

moisture condition of the property can be obtained.

1 Product Features

The Protimeter MMS kit comprises a carry case containing the MMS

instrument and a range of standard accessories, as detailed in Table 1 below.

As an example, the figure on the next page shows a BLD5800 kit.

Table 1: Protimeter MMS Kit

Description Part Number

Standard Kit

Kit with Hygrostick/Data cable/software

Kit with Humistick/Data cable/software

BLD5800

BLD5800LH

BLD5800HS

Kit Components

Protimeter MMS instrument POL5800JC

Instruction manual INS5800

Carry case POU5800-01

Moisture probe BLD5060

Deep Wall Probes (5.5 in. (140 mm) long) BLD5018

Surface temperature sensor (direct contact) BLD5804

Calibration check device (for %WME) BLD5086

Hygrostick/Humistick extension lead BLD5802

Hygrostick hygrometer probe POL4750

Humistick moisture probe POL7750-2

Data cable and software (option) BLD5810

Page 2 Protimeter MMS Moisture Measurement System

BLD5800 Kit

The Protimeter MMS instrument is a battery-powered, handheld unit that has

a cluster of four buttons and a large liquid crystal display (LCD). A sensor for

detecting moisture within solid materials is housed in the bulge at the top of

the instrument. The following external connections are found on the

instrument case (see the figure on the next page):

•EC 1 - This edge connection socket is for use with a Hygrostick or

Humistick probe.

•JC - This jack connection socket is for use with a moisture probe, deep

wall probes or a hammer electrode.

•EC 2 - This edge connection socket is for use with the Direct Contact

Surface Temperature Sensor and for connection to a PC when using the

optional MMS logging software.

POU5800-01

POL5800

BLD5802

BLD5804

BLD5018

POL4750

BLD5060

Protimeter MMS Moisture Measurement System Page 3

The following probes and sensors are included in the standard Protimeter

MMS kits:

•The Hygrostick®(POL4750) and Humistick®(POL7750-2) probes

measure relative humidity (%RH) and ambient air temperature (TAIR) in

rooms or materials. They can be connected to the Protimeter MMS

instrument either directly or by means of the Hygrostick/Humistick

extension lead.

•The surface temperature sensor (TS) is used when investigating

condensation situations.

•The moisture probe is used to obtain percent moisture content values in

wood or wood moisture equivalent (WME) values in other non-conductive

materials.

•Deep wall probes are used to obtain WME values deep below the surface in

solid structures such as walls and floors.

EC 1

EC 2

Search Mode Sensor

Page 4 Protimeter MMS Moisture Measurement System

1.1 Switching the MMS ON and OFF

Prior to initial use, ensure that two AA batteries are correctly inserted in the

battery compartment.

Note: Low battery power is indicated by on the display; when this

symbol appears, replace the batteries.

Switch the MMS ON by pressing momentarily.

The MMS switches OFF automatically after 1 minute, unless the default setup

is changed (see section 2.5 for instructions). To switch the instrument OFF

immediately, press and hold for at least 3 seconds. Once has been

depressed for 3 seconds or more, all text blocks appear on the display; when

is released, the text blocks disappear and the unit switches OFF.

1.2 Optional Accessories

A range of optional accessories may be used with the Protimeter MMS. These

include:

•hammer electrodes

•data download software & cable

•additional Hygrosticks and Humisticks

For more information please contact GE Sensing.

2 Moisture Meter Modes

The Protimeter MMS can be used to detect and measure moisture in non-

conductive solid materials such as wood, drywall and masonry. Two modes of

operation are available, the Search Mode for qualitative measurements and the

Measure Mode for precise and localized moisture content measurements in

wood or WME values in materials other than wood.

Protimeter MMS Moisture Measurement System Page 5

2.1 Search Mode - Selection and Use

Turn the MMS ON by pressing . Select the moisture meter mode by

pressing XX repeatedly until the word MOISTURE is visible in the top right

corner of the LCD. Then press Xto select the Search mode, indicated by

on the LCD.

The instrument can now be used to take relative moisture readings in solid,

homogenous materials (such as walls and floors) by holding the leading edge

of the sensor bulge against the surface (see the figure below) at an angle

ranging from 20° to 50°. Relative readings ranging from 0-1000 appear on the

LCD together with a progress bar that indicates whether the material is in a

DRY, AT RISK or WET condition.

As reliable readings are obtained only

if the leading edge of the sensor bulge

is in direct contact with the surface, the

Search mode is not suitable for

surveying textured finishes. The

nominal depth of penetration is up to

0.6 in. (15 mm) in dense, homogeneous

materials. Readings taken through low-

density coverings (carpets, polystyrene

tiles, etc.) will not be representative of

the moisture level in the substrate itself.

When using the MMS in Search mode,

it is recommended that no attachments

(i.e. Hygrostick probe, Humistick

probe, Surface Temperature Sensor, or

Moisture probe) are connected. This

practice will minimize reading errors

and the potential for electromagnetic

interference with other electronic

equipment.

2.1.1 Search Mode - Zeroing Function

If that instrument is used in Search Mode at an ambient temperature that is

significantly different from the ambient temperature at the time of the original

calibration, the instrument may show a small, non-zero reading when held in

free air.

REL

)

Page 6 Protimeter MMS Moisture Measurement System

If this should occur, re-zero the instrument as follows:

1. Remove any attached accessories

and select Moisture Search Mode

(see section 2.1 for instructions).

MOISTURE & REL is displayed.

2. With one hand, hold the instrument

at least 12 in. (0.3 m) from all

objects (see the figure to the right).

3. With your other hand,

simultaneously press the XXand X

buttons. Hold them down until the

display shows nul, then Air. Quickly

release the buttons and continue to

hold the instrument as shown, well

clear of your body and your other

hand. Keep the instrument in free

air (i.e. at least 12 in. (0.3 m) from

all objects) while the display is

showing Air.

4. After about 10 seconds, the display should return to normal and the

instrument should read zero when held in free air.

You may now take normal Search Mode readings with the MMS.

2.1.1.1 Troubleshooting the Zeroing Function - The instrument

changes mode when zeroing Is attempted

If the instrument changes mode when you attempt to zero it, you have most

likely not pressed the two buttons at exactly the same time. Return to Search

Mode and attempt to press and hold the two buttons simultaneously.

2.1.1.2 Troubleshooting the Zeroing Function - The instrument

shows Air, but then displays Err or E30 and shuts OFF

If this situation occurs, repeat the zeroing procedure. If this does not solve the

problem, it is likely that the temperature adjustment is outside the permitted

range. If possible, allow the unit to return to normal room temperature (about

20°C/68°F). If the unit will not re-zero at this temperature, the unit is likely

faulty and requires repair/service.

Protimeter MMS Moisture Measurement System Page 7

2.2 Measure Mode - Selection and Use

Turn the MMS ON by pressing .

Select the moisture meter mode by

pressing XX repeatedly until the word

MOISTURE is visible in the top right

corner of the LCD. Then press Xto

select the Measure mode, indicated by

on the LCD. Connect the

Moisture Probe, Deep Wall Probe, or

Hammer Electrode into socket JC of

the MMS instrument.

The instrument can now be used to take

actual %MC readings in wood and

%WME readings in non-conductive

solid materials other than wood by

pushing the moisture probe pins into

the surface (see the figure to the right).

The measured value is displayed and the progress bar indicates whether the

material is in a DRY, AT RISK or WET condition, as listed in Table 2 below.

Table 2: Measure Mode Readings

%MC (wood only) or %WME MMS Measure Mode Display

<8% – – – % (denotes out of range),

[inactive progress bar]

≥8% but <17% %MC or %WME value, DRY,

[active progress bar]

≥17% but <20% %MC or %WME value, AT RISK,

[active progress bar]

≥20% but <28% %MC or %WME value, WET,

[active progress bar]

≥28% to 100% Relative value only,

[active progress bar]

%WME

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