Extech Instruments MO260 Manuel utilisateur

l M

n /

ss M

stur

l MO

260

260-en-G

1.5 8/16

cti

ongratulat

ons on your purchase of the

xtech MO260 Mo

sture Meter. The MO260 detects

sture

n wood and other mater

als such as part

cle board, carpet

ng, and ce

ng/bathroom t

les

ng the non-

nvas

ve method (p

nless); the MO260 also measures mo

sture

n sheet rock and

other bu

ng mater

als us

ng the p

n method. Th

s meter

s sh

pped fully tested and cal

brated

and, w

th proper use, w

ll prov

de years of rel

able serv

ce.



%WM

(wood mo

sture equ

valent) p

n mo

sture read



Relat

ve (R

L) p

nless mo

sture read

ng for non-

nvas

ve measurement



tal L

readout w

th backl

ght

ng feature and tr

-color L

bargraph



ckly

cates the mo

sture content of mater

als



nless measurement depth to 0.75

(22mm) below the surface



lectro-magnet

c sens

ng technology for p

nless operat



lt-

n cal

brat

on check and cal

brat

on zero



Replaceable measurement electrode p



Low battery

cat



ap protects p

ns dur

ng storage



ap can be snapped onto the s

de of the hous

ng dur

ng use



omplete w

th 9

battery, replacement p

ns, protect

ve cap, and pouch case

MO260-en-G

1.5 8/16

cripti

eter

escri

lectrode p

ns protect

ve cap

2. L

splay

3. Tr

-color

argraph

4. HOL

R key

rotect

ve cap attachment

rotect

ve cap holders

7. MO

button

tes



attery/

pare

n compartment located on the rear of the

nstrument



lectrode p

ns located beneath the protect

ve cap



brat

on po

nts located at the top of protect

ve cap

lay

escri

1. Measurement read

attery status

ble alert

con

4. Measurement mode

splay HOL

con

lay

escri

The bargraph

cates W

T /

RY measurements us

ng three L

colors: Green (for dry),

mber (for moderate mo

sture), and Red (for very mo

st).

s the read

ng moves up the

bargraph scale from the

cator to the W

cator, the L

color changes from

green, to amber, and then to red.

MO260-en-G

1.5 8/16

lectr

The electrode p

ns are replaceable / removeable and must be

nserted before the meter can be

used. To

nsert or replace the p

ns refer to the

llustrat

on and

nstruct

ons below. Replacement

ns are stored

n the battery compartment at the rear of the meter.

a) Remove the protect

ve cap at the top of the meter by push

t toward the back of the

meter.

b) To remove the p

ns, loosen the locknut at the base of the electrode p

c) Install the new p

ns and t

ghten the locknuts

d) Replace the protect

ve cap

lectrode p

2. Lock

ng nuts

3. Threaded posts

lectrode jacks at top of meter

asic O

erati

Meas

rme

1. Remove the protect

ve cap to expose the electrode p

ns. The cap snaps off eas

pushed towards the rear of the meter. The cap can be aff

xed to the s

de of the meter us

the protect

ve cap holders (6).

ress the key to turn the meter ON / O

ress the MO

key to select the Wood Mo

sture

valent (%WM

) mode of operat

on.

arefully push the electrode p

ns a m

mum of 0.07” (2mm)

nto the mater

al under test.

Note that the p

ns should be

nserted

nto wood perpend

cular to the wood

’

s f

ber structure.

or h

gh mo

sture read

ngs,

t may take several m

nutes for the meter read

ng to stab

ze.

5. Take several read

ngs

n several locat

ons on the mater

al for the best representat

on of the

amount of mo

sture present.

6. Read the measurement values on the L

tal d

splay and the L

bar graph

7. Replace the protect

ve cap when f

shed.

: The electrode measurement p

ns are extremely sharp. Use care when

handl

ng th

nstrument.

over the p

ns w

th the protect

ve cap when the

nstrument

s not

n use.

MO260-en-G

1.5 8/16

asic O

erati

less Meas

rme

ee sect

on on how a

nless meter measures mo

sture.

nsure that the protect

ve cap

s attached to the meter cover

ng the p

ns.

ress the key to turn the meter ON.

ress the MO

key to select the Relat

ve (R

L) mode of operat

on.

4. The p

nless mo

sture detector

s located at the rear of the

nstrument, just beh

nd the d

splay.

lace the meter so that the sensor

s touch

ng the surface of the mater

al under test.

5. Take several read

ngs

n several locat

ons on the mater

al for the best representat

on of the

amount of mo

sture present.

6. Read the measurement values on the L

tal d

splay and the L

bar graph.

ali

rati

Zer

less M

tch the meter to the

nless mode of operat

on (R

L mode).

nsure that the meter

s not near any objects or surfaces. Hold the meter near the bottom to

avo

d contact w

th the p

nless sensor.

ress and Hold the MO

button for 3 seconds unt

l r

L appears

n the d

splay. Release

the MO

button and the d

splay w

ll bl

nk for several seconds and then sw

tch back to the

normal d

splay mode.

4. The d

splay should now read zero

cat

ng that the cal

brat

s complete.

5. If an

32 error

s d

splayed, try the zero cal

brat

on aga

n w

th the p

ns further away from any

objects or surfaces.

ali

rati

eck f

tch the meter to the

n mode (%WM

2. The two cal

brat

on check po

nts are located

n the holes at the top of the protect

ve cap.

3. Insert the electrode p

nto the two holes at the top of the protect

ve cap to make contact

th the test c

rcu

4. The d

splay should now read from 18.0 to 18.6,

cat

ng that the cal

brat

s ver

ed. If

the read

s not correct, return the meter for serv

ce.

MO260-en-G

1.5 8/16

ackli

t O

th the meter sw

tched ON, press

ng and hold

ng both front panel buttons (MO

and HOL

)

tches the L

backl

ght ON and O

ata

feat

The

ata Hold funct

on freezes the read

n the d

splay.

ress the

key momentar

ly to

act

vate the

ata Hold funct

on. The read

ng w

ll freeze and the

‘

key

’

splay

con w

ll appear.

ress

the

key aga

n to ex

t the

ata Hold funct

on (the

‘

key

’

splay

con w

ll sw

tch off).



To enter the setup mode:

th the meter sw

tched O

, press and hold both front panel buttons (MO

and HOL

buttons) s

multaneously for two seconds. The d

splay should now read

‘

0 = x

’

where

‘

’

s the

TION and

‘

’

s the

TTING.



Use the MO

ght arrow) button to change the

TTING.



Use the HOL

button to scroll through the O

TION



The ava

lable O

TION

and

TTING

0 0

tches all sett

ngs to

‘

’

(

actory

efault*)

1 Others sett

ngs can now be changed. In add

on,

ackl

ght

tches ON for 30 seconds and then automat

cally sw

tches

1 0

ble alert beeps w

ncreas

ng frequency from a nom

nal

17.0 (R

L) or 17% (WM

) measurement value upwards

ble alert d

ded

nto 3 frequency levels

ble alert beeps when user sw

tches from one mode to

another

eeper O

o alert d

splay symbol sw

tches O

2 0

uto

tch O

s not act

ve. User must manually sw

tch the

t O

uto

tch O

act

ve.

tches O

after 3 m

nutes

uto

tch O

act

ve.

tches O

after 5 m

nutes

uto

tch O

act

ve.

tches O

after 10 m

nutes

3 0

ackl

ght O

ackl

ght ON

0=0, 1=0, 2=0, 3=0

MO260-en-G

1.5 8/16

If the

nstrument does not sw

tch ON or d

splays the low battery symbol, replace the battery as

follows:

de off the rear battery compartment cover

2. Replace the 9

battery

ecure the battery compartment

Never d

spose of used batter

es or rechargeable batter

n household waste.

s consumers, users are legally requ

red to take used batter

es to appropr

ate collect

tes, the reta

l store where the batter

es were purchased, or wherever batter

es are sold.

sposal:

o not d

spose of th

nstrument

n household waste. The user

s obl

gated to

take end-of-l

fe dev

ces to a des

gnated collect

on po

nt for the d

sposal of electr

cal and

electron

c equ

pment.



lways keep the

nstrument dry



To clean, w

pe the meter w

th a damp cloth. Use a m

ld detergent

f necessary but never use

abras

ves or solvents.



revent d

rt from accumulat

ng at the electrode p

ess

eas

nless meter

s a “relat

ve” or un

t-less measurement dev

ce.

Unl

ke the

IN type mo

sture meter that measures %WM

or electr

cal res

stance, the

nless meter

measures an electr

cal property of the mater

al called relat

ve perm

ty.

nless meter uses an

lectromagnet

c s

gnal to check the perm

ty of a mater

al.

The proper way to use a p

nless meter

s to make a measurement of a mater

al of a known dryness.

Then make a measurement of an

tem of the same mater

al, th

ckness, and construct

on of unknown

sture content.

ny r

n read

cates mo

sture, or the presence of some other conductor or

gh perm

ty mater

al (a metal stud beh

nd the wall would produce h

gher read

ngs).

Mak

ng mult

ple measurements over the suspected area

s recommended to get an average read

ng of

the mater

al.

ract

ce and exper

ence w

ll help you to get a feel for the mo

sture content

n that

mater

al.

MO260-en-G

1.5 8/16

cific

splay

ackl

t L

tal d

splay and tr

-color L

bargraph scale

Resolut

on 0.1%

ccuracy

n mode:

(5% rdg + 5 d

ts)

nless mode

s a relat

ve read

ng only

Measurement pr

ple

lectr

cal res

stance (p

ns)

lectromagnet

c sensor (p

nless)

Range 0.0 to 99.9 %Relat

ve (p

nless)

6.0 to 94.8 %WM

ns)

lectrode p

n length 11mm (0.44”)

lectrode p

n type Integrated, replaceable

ower supply 9

alkal

ne battery

Low

attery Ind

cat

attery symbol d

splayed on L

Meter hous

ng Impact-proof plast

Operat

ng Temperature 0 to 50

(32 to 122

)

Operat

ng Hum

ty 80% Relat

ve Hum

ty max

mum

mens

ons 203 x 58 x 43mm (8 x 2.3 x 1.7”)

ght 204g (7.2 oz)

ISO

9001 Certified

www.extech.com

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