Page 1
DIGITAL COATING
THICKNESS GAUGE
( F & NF TYPE)
ALL RIG HTS RES ERVED
Instru ction Man ual
1. FEAT URE S
* It me ets the standards of bo th ISO2178
and ISO 2361 as well as DIN, ASTM
and BS. It can be used both in the
laboratory and in ha rsh field conditio ns.
* The F probes measu re the thickn ess of
no n-m agn etic mate ria ls ( e.g. pain t,
plastic, porcelain enamel, co pper, zinc,
aluminum , chrome etc.) on magne tic
materials (e.g. iron, ni ckel etc. ) . o ften
us ed to me asure th e t hi cknes s of
gal va ni zi ng la ye r, la cq ue r l ay er,
po rc elain en am el layer, phos ph id e
layer, copper tile, aluminum tile, some
alloy tile, paper et c.
* The N probes meas ure the thi ckn ess of
n on- ma gne ti c coa tin gs on n onm ag ne ti c m et al s. I t is u se d o n
an od iz ing, varnish , p ai nt , enamel ,
plasti c coat ing s, pow der, etc. applie d
to al um in um, bras s, n on -m agnet ic
stainl ess s tee l, etc.
* Automat ic su bstrate reco gni tio n.
* Manual o r aut oma tic shut down.
* Two measurement mo de: Sin gle and
Contin uou s
* W id e m eas urin g r an ge and hi gh
resolu tio n.
* Metric /Im per ial conversi on.
* Digital backli t dis pla y giv es exact
readin g wit h no gu essing or erro rs.
* Can comm uni cate with PC com put er
fo r s ta ti st ics and pr in ting by th e
option al ca ble .
* Can stor e 99 gr oup s of measureme nts .
* Statis tic s is av ailable.
2. SPE CIF IC ATIONS
Displa y: 4 di git s LCD, backlit
Range: 0 ~12 50 μm /0~50mil
( )
Resolu tio n: 0. 1 μm (0~99.9μm )
1 μm (over 1 00μ m)
Accura cy: ±1~ 3%n or 2.5 μm or 0.1 mil
(Which eve r is th e greater)
PC inter fac e:
with RS- 232 C int erface
other range may be specified
Power supply: 2x1.5 AAA(UM-4) battery
Operat ing c ond ition:
Temp . 0~5 0℃
Humidi ty <9 5%
Size: 12 6x6 5x3 5 mm
5.0x2. 6x1 .6 in ch
Weig ht: about 81g
(not inc lud ing b atteries)
Standa rd ac ces sories:
Carryi ng ca se .. .......... ... ... .1 pc.
Operat ion m anu al ..... ..... .. 1 pc .
F probe in b uil t ... .......... ... .1 pc .
NF probe i n bui lt. .......... ... .1 pc .
Calibr ati on fo ils ........ ... ... 1set.
Substr ate ( Iro n) ......... .......1 pc.
Substr ate ( Alu minium)..... .1 pc.
Option al ac ces sories:
RS-232 C cab le & so ftware:
USB adap tor f or RS -232C
3. FRO NT PAN EL DE SCR IPTIO NS
3-11
3-1 2
3-1 3
3-1 4
3-1 5
3-1 6
3-1 9
3-2 0
3-2 1
3-2 2
3-2 3
3-1 7
3-1 8
3-1 P robes I nbuil t
3-2 D ispla y
3-3 P ower/ Zero Ke y
3-4 P lus Key
3-5 M inus Ke y
3-6 R eadin g Key
3-7 D eleti ng Key
3-8 J ack for RS232 C
3-9 B atter y cover
3-1 0 Wri st Ring
3-11 Low Ba ttery Ind icat or
3-1 2 Measu ring Sy mbol
3-1 3 Last Re ading / Brows ing Value
3-1 4 Singl e Measu remen t Mode
3-1 5 Max. In dicat or Value
3-1 6 Min. In dicat or Value
3-1 7 Brows ing Sta te
3-1 8 Measu ring St ate
3-1 9 Unit
3-2 0 Average In dicator
3-2 1 Subst rate In dicat or
3-2 2 Count er For St oring
3-2 3 Count er For St atist ics
4. MEA SUR ING P ROC EDU RE
4.1 Press the power key to switch on the
power a nd '0 ' displays o n the Display.
Th e gau ge wil l r es to re th e l ast
operat ion on dis pla y its elf, with 'Fe '
or 'NF e' symbol sho wed on Dis pla y.
Th e gaug e ente rs the au to mo de
which ca n aut omatically r eco gnize
the subs tra te it self.
4.2 Press t he pro be on a coating layer to
be mea sur ed. The readin g on the
displa y is the t hic kness of the coating
layer. Th e rea ding can b e cor rected
by pressing the Plu s key and Min us
key wh ile the pr obe is awa y from the
substr ate o r the m easurement b ody.
4.3 To take t he ne xt me asu rement ,just
l if t t he p rob e t o m o re t han 1
centim ete r and the n repeat the step
above . T he gau ge can memo rize th e
c o n t i n u ou s m e a s u ri n g v a l u e
a u t o m a t i ca l ly w i t h s t a ti s t i c
me asu re men t ti mes, Mean whi le , the
CM-8856
Fig. 2
max ,mi n an d av erage value will
show on Di spl ay.
5. S TATIST IC S
The gau ge calculat es a nd displ ays a
statis tic al analysis of re adings as t hey
are take n.
The stat ist ics a vailable are :
* Last val ue
* Mean val ue ma rke d by Ave
* Highest Reading marked by Max
* Lowest Reading marked by Min
4.4 To change the measuremen t un it 'um'
or 'm il' by Depressin g Po wer key
and not rel eas ing it ti ll 'U NIT ' on
the Dis play and then pr ess ing Z ero
key (3-3 ) .
4.5 To change measu rem ent mode from
the singl e t o c ontinuous or vic e v isa,
just d epressing Power k ey and not
releas ing it til l 'SC' on the Dis play
and the n pressi ng Zero k ey (3-3). The
sy mbol ' STATS' re prese nt s si ng le
mode .
READ DEL
3-1
3-2
3-8
3-4
3-6
3-9
3-7
3-5
3-3
3-1 0
Fig. 1
Page 2
* Number o f Rea din gs taken
To clear the st atistical data when s tarting
a new set of data, just p res s a nd releas e
the ZER O key. In the measurement mode
marked by SV, last v alue could be deleted
singly by pressing the 'DEL’ key and restatistics is calculated and displayed itsel f.
6 .S T OR I NG AN D R EC A LLI N G
RE ADI NGS
6.1 Re adi ngs t aken are a uto mat ically
saved to the memory of the gauge.
The memor ize d d ata can be bro wse d
by pr ess ing an d re lea sin g th e 'R D'
key to enter into the browsing sta te
marked b y 'RE AD' o n the display.
6.2 In the browsing state, a ll th e rea din gs
memori zed can be r ecalled on the
displa y by de pressing th e plus ke y
' ' or the min us ke y ' '.
6.3 To del ete sin gly a mem orized value
in the memory, j ust l oca te the reading
to be de let ed by the key ' ' or ' ' ,
then pre ss an d rel ease the key 'DE L'.
If there is an "Err0" on the displ ay, it
indicates there is no reading to delete
a ny m o re . 6. 4 T o q u it t o t he
meas urement state, just depr ess the
'ZERO' key.
7. D ELE TIN G RE ADI NGS
7.1 To de let e a rea ding on the disp lay, j ust
press th e key 'DEL' no mater i n the
measur eme nt stat e marked 'SV' or in
the bro wsi ng state mar ked by 'RD'.
Go into th e bro wsing state by ' RD' .
Go into th e bro wsi ng state by pres sin g
the 'READ' key while enter ing the
measur eme nt state by pressing th e
'ZERO' k ey.
7.2 To delete a ll th e readings i n t he
memory, just dep res s the 'DE L' key in
the measuremen t state m arked by ' SV'
on the display for abo ut 4 sec ond s ti ll
the number of readin gs memorize d
become s 0.
8. TR AN SF ERR IN G RE A DI NG S
TO A C OMP UTE R
8. 1 I ns ta ll t he RS232 so ft wa re o n your
PC, please always click 'the cont inue'
button in the instal ling pr oces s.
8.2 Connec t your gauge to y our PC
using th e opt ion al cable.
8.3 Switc h o n y our gaug e and ensure the
Readin g Scr een i s displayed.
8.4 Start th e s oftware and follow the
in struct io ns i ncl uded w it h the
softwa re De mo. EXE.
9. C ALI BRAT ION
9.1 Zero a dju stm ent
Zero adjustme nt f or 'Fe' and 'NFe'
should be ca rri ed out separatel y. Take
the iron subs tra te if 'Fe ' on Display,
while take the alum inium sub strate if
'NFe' on the Display. Place the pro be
(3-1) on the substrate steadily. P ress
the zer o ke y (3 -3) and '0' wi ll be on
the Disp lay bef ore lifting the prob e.
If pr ess ing the Z ERO key b ut the
probe is not place d on the sub str ate or
an u nco at ed s ta ndar d. T he z er o
adjust men t is in valid.
10.4 If the instrument is not to be used for
any extended period , remove batteries.
11. C ONS IDE RATI ONS
11.1 In order t o we ake n the influence of
t he m ea sur ed m at er ial o n t he
acc ur ac y o f m easu re me nt , i t is
recomm end ed t hat the c alibration s
sh oul d be do ne on the un coate d
materi al to b e mea sured.
11.2 P rob es wil l even tua lly wear. P robe
life w ill de pen d on th e nu mbe r of
m e a sur e ment s t a k en and h o w
abrasi ve the coatin g is. Repl ace ment
separa te can be fitted by qu ali fied
person s onl y.
12. RESTORE FACTORY SETTINGS
12.1 Whe n to restore
It is recom men ded to restore f act ory
settin gs in t he on e of following c ase s.
A. The gauge does not measure any more.
B. Me asu rement a ccu racy is deg rad ed
c a u s e d B y e n v i r o n m e n t a l
condit ion s cha nge greatly.
12.2 How t o res tor e?
9.2 Select an approp riat e c alibration foil
according to your me asur ement range.
9.3 Place the standard foil selected onto
the su bstr ate or the uncoated standard .
9.4 Plac e the sens or (3 -1) mildl y ont o the
standard foil and lift. The readi ng on
the display i s the valu e mea sured. The
dis pl ayed r ea di ng v al ue c an b e
adjusted by pressing the plus key (3-4)
or minus key (3-5 ) w hile the prob e i s
aw ay fr om th e s ubst ra te or the
measured body.
9.5 Re peat step 9.4 until the result is correct.
10 . BATT ERY RE PLA CEMEN T
10.1 When it is necessary to repla ce the
battery, i.e. bat tery vol tage less than
approx. 2.2V , the b attery symbol ' '
will appear on the Display.
10.2 S lid e the Battery C ove r ( F ig. 1 ,
3-9) away from the instrument and
remove t he ba tte ries.
10. 3 I ns tal l t he b at te ri es ( 2x 1. 5V
AAA/UM-4) correctly into the cas e.
Restore factory settings inc ludes 'Fe'
setting and 'NFe' setting. You can
restore one of them or both of them
respectively. Please follow procedures
below to resto re factory setting.
12.2.1 Please note the symb ol on the
display is 'Fe' or 'NFe'.If 'Fe' is on the
display,the operation below is restor ing
the factory sett ing for 'Fe' type,and if
'NFe' is on th e display,the operat ion
below is restorin g the fac tory se tting
for 'N Fe' typ e.
12.2.2 Depress Power ke y and not r elease
it til l 'CAL' appe ars on the Dis pla y. It
is abo ut 12 second s fr om starting
depres sin g Pow er key.
12.2.3 when F:H or nF:H is on Dis pla y,
l ift t he p ro be t o m or e t han 5
centim ete rs, then pr ess the Z ero ke y
a gai n a nd t he g aug e r et urn t o
mea su rem en t st at e. T he f ac to ry
se tting is r es tored . Reme mber, to
restor e se tti ng i s re stored. Rememb er,
to re stor e f ac to ry se tti ng s houl d b e
done within 6 seconds at every stage. Or
the gauge will quit itself and restoration is
invalid.
13 . Not es
13.1 Set tin gs includes re sto ring fact ory
se tt ing, un it se tting , S /C s et ting,
whi ch sho ul d be d on e w it hin 6
second s at every stage, or the gauge
will quit itself and keep its status
before .
13.2 It is str ong ly reco mme nded that no
change s sho uld be made to the valu e
of Ln (control led b y p owe r k ey, It
takes abo ut 14 second s fro m starti ng
depres sin g Pow er ke y. Its v alue can b e
ch an ge d b y p lu s/minus ke y af te r
displa yin g Ln a nd releasin g the pow er
ke y. S tore i ts va lu e and q ui t by
pre ss ing Z er o k ey.) w hi ch w il l
se rious ly af fect t he accuracy. I ts
v a l u e c a n b e a d j u s t e d b y
pr of es si onal per so ns only und er the
cases of replac ing a n ew p robe or
m ak in g th e ga ug e mo re a cc ur at e.
Genera lly, the larger t he v alu e of Ln ,
the sm all er th e reading on a sa me
thickn ess . Alittle variati on of valu e
of L n will ca use a great cha nge in
re ading a t h igh en d ( e.g at 50 0
um/20m il) .Th e rules t o adjust the
value of L n are a s fol low:
A. Read ing at low en d ca n be adjuste d to
the e xac t value by the plus or min us
key.
B. To en large the L n if readi ng at l ow en d
(e.g at 51 um) is ok but reading at
high e nd (e.g at 432 u m) is t oo larg e.
On the coutrary, to decrea se t he L n if
readin g at l ow end (e .g at 51 um)is ok
but read ing a t hig h end ( e.g at 432
um) is too s mal l.
C. R epe at procedur es f rom A to B til l th e
readin gs on the ev ery standard f oil
are sati sfy ing t he accuracy.
Loading...