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MS6900
Multi Function Moisture Meter
USER'S MANUAL
To Avoid P ossib le Elec tric Sh ock Or
Per sonal In jury:
• Use th e Meter o nly as sp ecifi ed in thi s manua l or the
prot ectio n provi ded by th e Meter m ight be i mpair ed.
Do not p lace th e Meter n ear exp losiv e gas or va por.
Read t he User s Manua l befor e use and f ollow a ll
safe ty inst ructi ons.
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Limited Warranty And Limitation Of Liability
This M S6900 p roduc t from Ma stech w ill be fr ee from
defe cts in ma teria l and wor kmans hip for o ne year f rom
the da te of pur chase . This war ranty d oes not c over
fuse s, disp osabl e batte ries, o r damag e from ac ciden t,
negl ect, mi suse, a ltera tion, c ontam inati on, or
abno rmal co nditi ons of op erati on or han dling .
Rese llers a re not au thori zed to ex tend an y other
warr anty on M astec h's beh alf. To obta in serv ice dur ing
the wa rrant y perio d, cont act you r neare st Mast ech
auth orize d servi ce cent er to obt ain ret urn aut horiz ation
info rmati on, the n send th e produ ct to tha t Servi ce
Cent er with a d escri ption o f the pro blem.
Out of B ox
Chec k the Met er and ac cesso ries th oroug hly bef ore
usin g the Met er. Cont act you r local d istri butor i f the
Mete r or any co mpone nts are d amage d or malf uncti on.
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Acc essor ies
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One Us ers Man ual
Two AAA Bat tery
Saf ety Info rmati on
WARNI NG
TO REDU CE THE RI SK OF FIR E, ELEC TRICA L
SHOC K, PROD UCT DAM AGE OR PE RSONA L
INJU RY, PLEASE F OLLOW T HE SAFE TY
INST RUCTI ONS DES CRIBE D IN THE US ER
MANU AL. REA D THE USE R MANUA LS BEFO RE
USIN G THE MET ER.
WARNI NG
DO NOT P LACE TH E METER I N ANY
ENVI RONME NT OF HIG H PRESS URE, HI GH
TEMP ERATURE , DUST, EXP LOSIV E GAS OR
VAPOR. T O ENSUR E SAFE OP ERATIO N AND
LIFE O F THE MET ER, FOL LOW THE SE
INST RUCTI ONS
Saf ety Sym bols
Impo rtant s afety m essag e
Conf orms to r eleva nt Euro pean
Unio n direc tives
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Warni ng Symb ols
Risk o f dange r. Impor tant in forma tion.
See Us ers Man ual
Stat ement i denti fies co nditi ons and
acti ons tha t fail to f ollow t he
inst ructi ons cou ld resu lt fals e
read ing, da mage th e Meter o r the
equi pment u nder te st.
Caut ion
Warni ng
Hint
Sugg estio ns or hin ts.
Usin g The Met er
WARNI NG
TO AVOID EL ECTRI CAL SHO CK AND INJ URY,
COVE R THE MET ER WITH P ROTEC TIVE
COVE R WHEN NO T IN USE.
Caut ion
1: Ope rate th e Meter b etwee n -10~5 0 (14~ 122°F ).
2: Avoid s hakin g, drop ping or t aking a ny kind o f impac ts
when u sing or t ransp ortin g the Met er.
3: To avoid p ossib le elec tric sh ock or pe rsona l injur y,
repa irs or se rvici ng not co vered i n this ma nual
shou ld be per forme d only by q ualif ied per sonne l.
4: Che ck the te rmina ls ever y time be fore op erate t he
Mete r. Do not op erate t he Mete r if the te rmina ls are
dama ged or on e or more f uncti ons are n ot work ing
prop erly.
5: Avoid e xplor ing the M eter to d irect s unlig ht to ens ure
and ex tend th e life of t he Mete r.
°C
6: Do no t place t he Mete r in stro ng magn etic fi eld, it m ay
caus e false r eadin gs.
7: Use o nly the b atter ies ind icate d in the Techn ical Sp ec.
8: Avoid e xplor ing the b atter y to humi dity. Re place t he
batt eries a s soon as t he low ba ttery i ndica tor app ears.
Hint
1: Sen sitiv ity of th e Meter t oward t emper ature a nd
humi dity wi ll be low er over t ime. Pl ease ca libra te
the Me ter per iodic ally fo r best pe rform ance
2: Ple ase kee p the ori ginal p ackin g for fut ure shi pping
purp ose (ex . Calib ratio n)
1 . Intr oduct ion
1.1 Pr oduct D escri ption
MS69 00 is a mat erial m oistu re, tem perat ure, hu midit y
all- in-on e multi f uncti ons Met er. The Met er is ide al for
meas uring m oistu re of woo d and con crete b uildi ngs.
1.2 MS 6900 Mu lti Fun ction M oistu re
Mete r Featu res:
• Provi de temp eratur e, humi dity and m oistu re measu ring.
Measu re seve n kinds of m ateri als thro ugh man ual mode .
Maxim um and Mi nimum Mo istur e readin gs.
Displ ay Hold .
LCD Dis play, moi sture b ar displ ay.
Units s witch .
Backl ight di splay.
Auto off ( when not i n use for 1 0 minute s)
Sturd y const ructio n, easy t o carry.
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1.3 Components
1.3.1 Figures and Components
Terminals Protective Cover.
LCD Display
On/Off Button:
Press once to turn the
Meter on, press for 1 sec
to turn it off.
Temperature/Moisture Switch:
Switch between Temp:
°C/°F and
Moisture: %/WB/TD;
Backlight Button
Display Test/Hold Button
Switch between testing materials
Maximum/Minimum Display Button
Enter Button.
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9
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The Meter exit switching
mode if “Enter” button
is not pressed in 8 seconds.
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MS6 900 Dia gram
Unit
Test/Hold
Meterial
MAX
MIN
MS6900
Tember Moisture Meter
Unit
Test/Hold
Meterial
MAX
MIN
MS6900
Tember Moisture Meter
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4.2 Re place B atter ies
Foll ow the st eps to re place b atter ies:
1. Turn o ff the Met er.
2. Loo se the ba ttery c ompar tment d oor scr ew, and
remo ve the do or from t he case b ottom .
3. Rem ove the b atter ies and r eplac e the bat terie s
with n ew batt eries .
4. Rea ttach t he batt ery com partm ent doo r to the ca se
bott om and ti ghten t he scre w.
4.3 Ca libra tion
To ensur e the acc uracy o f the Met er, Sche duled
cali brati on is rec ommen ded and s hould b e perfo rmed
only b y quali fied pe rsonn el. Cal ibrat e the Met er
annu ally is r ecomm end. Ca libra tion fr equen cy can
be hig her or lo wer to ev ery thr ee year s depen d of the
freq uency o f the usa ge.
• Accur acy (pe rform u nder te mpera ture of 2 5°C):
Cond uctiv ity:± 2%
Tempera ture: ±2°C( -10° C~+50 °C)
Humi dity: ±5%(1 0…90% )
• Samp le Inte rval:
Mate rial Mo istur e Sampl e Speed :240m s ;
LCD re fresh t ime: 1. 5s
Tempera ture Sa mple Sp eed:2 40ms ;
LCD re fresh t ime 1.5 s
Humi dity Sa mple Sp eed:2 40ms ; LC D refre sh time 3 .5s
• Oper ation Temp eratu re: -10 ~50°C (14~1 22°F)
• Stor age Temper ature : -40~6 0°C(- 40…14 0°F)
4 Main tenan ce and Re pair
4.1 Re pair
Plea se foll ow the st eps clo sely if t he Mete r is not
func tioni ng prop erly:
1. Che ck the ba tteri es, rep lace ne w batte ries if l ow
batt ery ind icato r “ ”appe ars.
2. Fol low Use rs Manu al to con firm ev ery pro cedur e.
3. Bef ore sen ding ba ck the Me ter for r epair, i nclud e
a desc ripti on of the p roble ms enco unter ed. Rem ove
the ba tteri es and pa ck the Me ter wel l to avoi d
poss ible da mage by t he deli very, Mas tech do es
not co ver the d amage d ue to del ivery.
4. Rep airs or s ervic ing not c overe d in this m anual
shou ld be per forme d only by t he auth orize d servi ce
cent er or qua lifie d perso nnel.
• Batt eries : 2×1.5 V AAA
Life o f Battr ies: 20 0 hrs (Ba cklig ht off)
• Size : 130×5 5×29m m
• Weigh t:140 g(wit h batte ries an d prote ctive c over)
• To ensur e accur ate rea dings , measu re mult i locat ions
with t he Mete r.
• To measu re wood s, stic k the Pro be in the w ood, wa it
for at l east 5 se conds t o obtai n stabl e readi ngs.
• Keep t he Mete r away fr om any he at sour ce or pos sible
temp eratu re dist urban ce (ex. H and).
3 Techn ical Sp ecifi catio n
3.1 Me asure ment Sp ecifi catio n:
• Elec tric Co nduct ivity ( Resis tance S ensor )
Rang e: 0.0~ 60.0% ;
• Tempera ture (Tem perat ure Sen sor) Ra nge:
-10. 0~50. 0°C (14 .0~12 2.0°F )
• Unit s:
Mate rial Mo istur e: %
Envi ronme nt Humi dity: % ,WB ,TD
Envi ronme nt Tempera ture: ° C, °F
• Mate rials M oistu re Rang e:
Mate rial 1: B eech, S pruce , Larch , Birch , Cherr y,
Walnu t 8.5~6 0.0%
Mate rial 2: O ak, Ced ar, Mapl e, Ash Tree ,
Citi group , Tamarisk 6 .8~53 .4%
Mate rial 3: S mooth ing Cem ent, Co ncret e
Mate rial 4: An hydri te Scre ed
Mate rial 5: C ement M ortar
Mate rial 6: L ime Mor tar, Pla ster
Mate rial 7: B rick
• Reso lutio n:
Mate rial Mo istur e:0.1 %
Tempera ture : 0. 1°C,0 .1°F
Humi dity: 0 .1%
2.3 Me asure /Hold
•• To hold the r eadin gs, pre ss “Hol d” butt on till t he Hold i s
disp layed o n the top r ight co rner.
To cancel h old of th e readi ngs, pr ess “Ho ld” but ton
agai n till th e Hold in dicat or disa ppear, t he Mete r will
now sh ow curr ent rea dings .
2.4 Ma ximum /Mini mum
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To show the m aximu m of the mo istur e readi ngs,
pres s “MAX/ MIN” bu tton ti ll “MAX ” is disp layed .
To show th e minim um of the m oistu re read ings, p ress
“MAX /MIN” b utton t ill “MI N” is dis playe d.
To show cu rrent m oistu re read ings, p ress “M AX/MI N”
butt on till t he LCD do es not di splay “ MAX” no r “MIN”
In “MA X” or “MI N” mode , if the “M AX/MI N” butt on is
not pr essed f or 5 minu tes, th e Meter w ill swi tch bac k
to cur rent mo istur e readi ngs.
2.5 Sw itch be tween F uncti ons
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°C “°F” ,
Pres s “Unit ” butto n to swit ch betw een fun ction s
“ ”, “%”, “ WB” and “TD” (S ymbol s flash ).
Pres s “Ente r” butt on to con firm se lecti on. If no
sele ction i s confi rmed in 8 s econd s, the Me ter wil l
exit s witch ing mod e.
2.6 Ba cklig ht Disp lay
• Pres s the bac kligh t butto n ( ) to turn o n the
back light , press a gain to t urn it off . The bac kligh t
will t urn off if i tself w hen tur n of the Me ter.
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2.7 Ot hers
• If the L CD disp lay is di m or not di splay c learl y,
repl ace a new b atter y.
2 .Us ing The Me ter
2.1 Po wer On/ Off
• When t he Mete r is off, pr ess “On /Off” b utton t o turn
on the M eter. The M eter wi ll disp lay as in F igure 2 -1-1
and sh ows the c urren t tempe ratur e humid ity.
• When t he Mete r is on, pr ess “On /Off” bu tton to t urn
off the M eter. Th e Meter w ill aut omati cally t urn off i f
not in o perat ion for 1 0 minut es.
2.2 Ch oosin g Mater ials
Pres s “Mate rial” b utton t o choos e from ma teria ls 1 to
7 and re peat. C hoose p roper n umber c orres pondi ngly
as fol low:
1: Bee ch, Spr uce, La rch, Bi rch, Ch erry, Wal nut
2: Oak , Cedar, M aple, As h Tree, Ci tigro up, Tamari sk
3: Smo othin g Cemen t, Conc rete
4: Anhy drite S creed
5: Cem ent Mor tar
6: Lim e Morta r, Plast er
7: Bri ck
MS6 900 LCD D ispla y
06 07 08 09 1 0
HYS 00668 9
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1.3.2 LCD D isplay Pan el
Curr ent Temper ature
Tempera ture Un it
Curr ent Moi sture
Mois ture Un it
Mate rial
Mate rial La bel
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10
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Maxi mum/M inimu m
Mois ture Re ading s Displ ay
Mois ture Un it
Simu lated M oistu re Bar
Meas ure/H old
Low Ba ttery I ndica tor
0.9~ 24.5%
0.0~ 12.2%
0.7~ 9.2%
0.5~ 11.1%
0.0~ 17.8%
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4
12
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Fig ure 2-1 -1
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