
OM-20A -TC
INST RUCTI ON
SHEE T
U.S .A.
Hea dquar ters:
For O the r Loca tion s Visi t ome ga.c om/w orldwid e
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DEL AYS). The a ssign ed AR numb er shou ld then b e marke d on the ou tside o f the ret urn pac kage an d on any
cor respo ndenc e. The pu rchas er is res ponsi ble for s hippi ng char ges, fr eight , insur ance an d prope r packa ging to
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OME GA:
1. Pu rchas e Order n umber u nder wh ich the
pro duct wa s PURCH ASED,
2. Mo del and s erial n umber o f the pro duct un der
war ranty, an d
3. Re pair in struc tions a nd/or s pecifi c probl ems
rel ative t o the pro duct.
OME GA’s poli cy is to ma ke runn ing cha nges, n ot mode l chang es, whe never a n impro vemen t is poss ible. T his
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ENG INEER ING, IN C.
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e-m ail: in fo@om ega.c om
WARRANTY / DIS CLA IMER
RETURN REQU EST S/I NQU IRIES
FOR N ON-WAR RANTY R EPAIRS, c onsul t
OME GA for cur rent re pair ch arges . Have th e
fol lowin g infor matio n avail able BE FORE co ntact ing
OME GA:
1. Pu rchas e Order n umber t o cover t he COST of
the r epair,
2. Mo del and s erial n umber o f the pro duct, a nd
3. Re pair in struc tions a nd/or s pecifi c probl ems
rel ative t o the pro duct.
WELCOME
Th is Dir ect- USB- Con nect ion d ata lo gger i s des igne d for ea sy us e. Thi s Qui ck Sta rt Gui de
cov ers p repa rati on an d use to a ssis t you i n gett ing th e bes t resu lts fr om yo ur dat a logg er.
No w foll ow thi s gui de to st art.
Se nsor L ocat ion
Bu ttonBu tton
Red /Gr een LE D
US B Inte rfac e
IMPORTANT NOTE
Th is ser ies of d ata l ogge rs off er a var iet y of dif fere nt mo dels a nd mea sur emen t para met ers,
so i n the se nsor l oca tion , the re wil l be dif fere nt se nsor e xte nsio ns for d iffe ren t mode ls th at
you p urc hase d, bu t this g uide a lway s can b e suit abl e for th e whol e ser ies of d ata lo gge rs.
Th e prod uct ra nge is c ons tant ly be ing up date d and n ew mod els ad ded , and re lat ed
in form atio n is li able t o chan ge wi thou t not ice. S o if nec ess ary, co nsul t your s upp lier t o get
th e late st inf orm atio n and ne ws.
To in stall t he soft ware an d USB dri ver, yo u mus t have a n admi nist rato r righ ts on
the h ost com puter .
Wh en the d ata lo gge r is con nect ed to t he USB p ort , the ba tter y ins ide th e data l ogg er is
di scha rged a t a hig her ra te tha n nor mal. To co nse rve ba tter y lif e, do no t leav e the da ta
lo gger c onne cte d to the U SB po rt for a p rolo nged p eri od of ti me.
Yel low LE D
US B Cap
GETTING STARTED
Al l you ne ed to pr epa re are a P C runn ing u nder W indo ws XP / Vist a/ 7/ 8(32 b it or 64 b it) w ith
US B port a nd CD- ROM d rive , the CD i ncl udin g Dat a Logg er Gra ph sof twa re and d rive r, th e
da ta log ger it sel f and a 3. 6V li thiu m batt ery.
1. BATTERY INSTALLATION
Be fore u sing t he da ta log ger, you w ill n eed to i nsta ll th e 3.6V l ith ium ba tter y inc lude d in the
da ta log ger st and ard ki t.
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2. SOFTWARE INSTALLATION
Ins tal l the Da ta Lo gger G raph s oft ware b y plac ing t he CD in t he PC CD -RO M driv e. If se tup
pro gra m does n ot aut oma tica lly r un and s tart , dou ble cl ick t he “se tup. exe” f ile i nclu ded o n
th e CD-> Soft war e dire ctor y to st art in stal lin g. Fol low th e on- scre en pro mpt s to com ple te
in stal lati on. Yo u will s ee a ne w icon D ata Lo gge r Grap h on you r des ktop . For fu rthe r
in form atio n on th e soft ware , you ca n acc ess th e hel p menu o n the so ftw are in terf ace .
Pl ease n ote th at yo u must i nsta ll th e USB dr iver a fte r comp let ing th e soft war e inst alla tio n to
us e the da ta log ger.
3. DRIVER INSTALLATION
Af ter co mple tin g the so ftwa re in stal lat ion, m ake su re the C D is in yo ur PC CD -ROM
dri ve. Do uble c lick t he “U SBXp ress Ins tall er.exe ” fil e incl uded o n the C D->D riv er dir ecto ry
to s tart i nsta lli ng. Fo llow t he on -scr een pr omp ts to co mple te in stal lat ion. Yo u can no w plu g
th e data l ogge r int o an ava ilab le USB p ort o n the PC . A few mi nut es lat er, your c omp uter
wi ll sho w a mess age t hat th e dri ver fo r this d ata lo gge r devi ce ha s been i nsta lle d norm all y.
No w, you ha ve suc ces sful ly ins tal led th e nec essa ry so ftwa re and d rive r for y our da ta log ger.
Pl ease c onti nue t o refe r to nex t sec tion o f this d ocu ment f or a gui de on h ow to us e the d ata
lo gger f or a tas k.
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NOT E: Ma ke su re to al ign t his co nne cto r
wi th its o the r sid e when i nst all t he par t.
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4. SETUP AND START
To use t he dat a log ger, tak e the fo llow ing s teps :
1. M ake su re the b atte ry is c orre ctly i nst alle d, or i f you us e USB po rt to p ower t he da ta
lo gger d irec tly, yo u mus t not re move d ata lo gge r from U SB por t whe n the da ta lo gger i s
lo ggin g.
2. In ser t the da ta lo gger i nto an a vail abl e USB po rt of a P C whic h has in sta lled t he Da ta
Lo gger G raph s oftw are a nd dri ver.
3. D oubl e clic k on th e ”Dat a Logg er Gr aph” i con on y our W indo ws des kto p. Thi s wil l load
th e Data L ogge r Grap h sof twar e. On th e lef t top of t he so ftwa re, yo u can se e “St art” b utto n
an d clic k on it. T his w ill op en “Da ta Logg er Devi ce” di alog .
4. Se lec t data l ogg er dev ice th at wi ll be se t(o r defa ult) . Her e you ca n chec k the f irmw are
ver sio n, sta tus , etc. o f the se lec ted da ta lo gger d evic e.
5. C lick o n the “S etup ” butto n to lo ad “Da ta Log ger Se tup” d ialo g. Her e you c an fol low
th e scre en ins tru ctio ns and s etu p the da ta lo gger. On t he “Ge nera l” se ttin g, you c an se t
lo gger n ame an d sam ple ra te. On t he “C hann el Set tin gs”, you c an se t high /lo w limi t,
en able /dis abl e alar m, an d enab le/d isa ble al arm h old. O n the “S tar t and St op Met hod ”, you
ca n sele ct how t o sta rt and s top lo ggi ng. You w ill f ind th at the d ata l ogge r is se t to the
de faul t sett ing on y our f irst a ttem pt wi th the d ata l ogge r.
6. G o to “Adv ance d” to “ Sele ct The rmo coup le Type ”.
7. Cli ck on t he “Fi nish ed” bu tto n. The d ata lo gge r will s tar t acco rdin g to yo ur set ting s.
8. Re move t he da ta log ger f rom PC U SB por t exc ept wh en usi ng th e USB po rt as a po wer
su pply.
5. DATA DOWNLOAD
1. W hen a ta sk is fi nis hed, y ou can d own load d ata to P C. Fo llow s teps 2 t hro ugh 4 of
“S ETUP a nd STAR T” sec tio n, and t hen c lick o n the “D OWN LOAD ” butt on on th e “DA TA
LOG GER DEV ICE” d ialo g. Her e you ca n fol low th e scre en in stru cti ons to d ownl oad a nd
sav e the d ata to P C. Ple ase n ote th at yo u need t o inpu t cor rect p assw ord t o oper ate th is
st ep if th e data l ogg er has b een s et up wi th a pas swo rd bef ore( fact ory d efau lt pas swo rd is
NO ).
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2. A fter d ownl oad ing fi nis hed, a “ Down loa ding F inis hed ” dial og wi ll be sh own,
us er can c lick t he “O pen” b utto n to gra ph th e down loa ded da ta.
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Not a ny LEDs f lash
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Da ta log ger is i dle , batt ery is e xha uste d or no b atte ry is fi tte d.
Gre en sing le flas h every 1 0s
Th e data l ogge r is cu rren tly lo ggi ng.
Gre en doub le flas h every 1 0s
Th e data l ogge r has f inis hed u ser se t logg ing t ask.
Red s ingle f lash ev ery 10s
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Th e dat a log ger is cu rren tly logg ing . Ala rm (H igh, low o r bo th)
on a t leas t one ch ann el.
Red d ouble f lash ev ery 10s
Th e data l ogge r has f inis hed u ser se t logg ing t ask. A larm ( Hig h,
lo w or bot h)on a t lea st one c hann el.
Yel low sin gle fla sh ever y 60s
Lo w batt ery in dica tio n. The log gin g tas k con tinu es, an d you
ne ed to ch eck ba tte ry cap acit y and r epla ce it ti mel y.
Yel low sin gle fla sh ever y 1s
Ind ica te tha t USB c onne ctio n is no rmal w hen c onne ctin g.
Yel low and G reen si ngle fl ash one b y one
Ba tter y is ins tal ling a nd po wer on O K.
Yel low and r ed sing le flas h one by on e
Ba tter y is ins tal ling a nd po wer on f aile d.
6. GRAPH
1. D oubl e clic k on th e ”Dat a Logg er Gr aph” i con on y our W indo ws des kto p. Thi s wil l load
th e Data L ogge r Grap h sof twar e.
2. U ser ca n open a d ata l ogge r fil e (*.d lg, *. mdl g) via t he men u “Fi le-> Ope n”, and th e
gra ph wi ll be sh own .
3. Zo om in: U se th e mous e to cl ick an d drag a b ox aro und a ny gra ph are a to mag nif y the
are a sel ecte d. Zoo m out : Clic k on the " Und o Last " or "U ndo Al l" but ton o n tool b ar to sh ow
la st gra ph are a or the o rig inal g raph a rea .
4. Pa n: Pre ss an d hold t he mid -bu tton o f the m ouse a t any gr aph lo cat ion, a nd mov e the
mo use to p an the g raph a rea .
5. Zo om and P an Me thod . Auto : Zoom a nd pa n in any d irec tion . Hor izon tal : Zoom a nd pan
on ly in ho rizo nta l dire ctio n. Ver tica l: Zoo m and p an onl y in ver tic al dir ecti on. M anua lly : Set
th e star t time a nd en d time f or hor izo ntal a xis, a nd se t the sc ale fo r the v erti cal a xis.
6. M ark Da ta Poi nts: C lic k righ t-bu tton o n gra ph are a to sho w the p op-u p menu b elo w,
Cl ick "M ark Da ta Poi nts " to sho w mar ks on al l samp le po int lo cat ions .
7. Gra ph Se ttin gs: Cl ick r ight -but ton on g raph a rea t o show t he pop -up m enu be low, c lic k
“G raph S etti ngs” t o sho w a dial og. U ser ca n set co lor, fon t, li ne siz e and un it fo r the gr aph.
7. FILE EXPORT
Th e soft ware s ave an d ope n the *. dlg or * .md lg fil e type i n def ault . Use r can cl ick “F ile >S ave As ” to sav e the *. dlg o r *.md lg as ot her f ile ty pes, i ncl udin g *.t xt, *. csv, *. xls, * .bm p,
an d *.jp g.
8. PRINT
To pri nt the g raph , sta tist ics a nd dat a tabl e, cl ick on t he pri nte r icon o n sta ndar d tool bar o r
se lect “ Prin t” fr om the “ File ” pul l-do wn me nu.
Use r can als o cl ick th e “Fil e-> Prin t and E xpor t Opti ons ” sele ct the p rint ed con tents i n
the f ollow ing dia log.
LED INDICATION GUIDE
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BUTTON
Th ere is o nly on e but ton on t he hou sin g of the d ata lo gge r, pre ssin g the b utto n has a
di ffer ent ou tcom e dep endi ng on w hat th e logg er is d oing a t the t ime th e butt on is p ress ed:
If u ser se lect s Sta rt by Bu tton a s sta rt met hod v ia the D ata Lo gge r Setu p dia log in t he
Da ta Log ger Gr aph so ftw are, a fter a s etu p is fin ish ed, us er can p res s and ho ld th e butt on
un til th e gree n LED li ght s to sta rt th e logg ing ta sk.
If u ser se lect O ver writ e When F ull a s stop m eth od via t he Dat a Log ger Se tup d ialo g in the
Da ta Log ger Gr aph so ftw are, u ser ca n pre ss and h old t he but ton un til t he red L ED lig hts t o
st op the l oggi ng ta sk.
Pre ss th e butt on on ce to ch ange s how n read ings c han nel.
HOW TO GET THE CORRECT RESULTS
Ch eck th e batt ery c apac ity be fore b egi nnin g your l ogg ing ta sk. I f you wa nt to us e the
US B inte rfac e to su pply p ower f or da ta log ger, thi s can b e skip ped.
Ob serv e the IP r atin g, me asur men t rang e and op erat ing ra nge . Allo w it to b e loca ted in a
pl ace wi th a rig ht en viro nmen t.
ENVIRONMENTAL DISPOSAL
Th is pro duct m ay co ntai n subs tan ces th at can b e haz ardo us to t he env iron men t if not
di spos ed of pr ope rly. El ectr ical a nd el ectr oni c equi pmen t sho uld ne ver be d isp osed o f wit h
ge nera l hous e hold w ast e but mu st be se par atel y coll ect ed for t heir p rop er tre atm ent an d
rec ove ry. The c ross ed-o ut bi n symb ol, p lace d on the p rod uct, r emin ds yo u of the n eed to
di spos e of the p rod uct co rrec tly a t the en d of it s life . In thi s way yo u wil l assi st in th e
rec ove ry, rec ycli ng and r e-u se of ma ny of th e mat eria ls use d in th is pro duc t.
BAT TERY Mo st ba tter ies e nd up in l andf ill w here t heir h aza rdou s mat eria l can le ach i nto th e
so il and c ause h arm . It is mu ch mor e env iron ment all y frie ndl y to rec ycle b atte rie s in a saf e,
co rrec t mann er. Foll ow ap plic able c oun try, st ate, a nd lo cal re gula tio ns for d ispo sal /rec ycli ng
of t he lit hium b att ery su ppli ed wi th you r data l ogg er.
RoH S The Res tri ctio n of Ha zard ous Su bst ance s (RoH S) Di rect ive 20 02/ 95/E C of the
Eu rope an Par liam ent s tipu lat es tha t cert ain h azar dous s ubs tanc es mu st not b e pres ent
ab ove de fine d leve ls in p rodu cts . This d ata lo ggi ng pro duct i s man ufac ture d to be Ro HS
co mpli ant.
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Ba tter y Stat us ca n be che cked v ia th e Data L ogge r Dev ice di alo g in the D ata Lo gge r Grap h
so ftwa re. Ev en if th e bat tery i s exh aust ed, th e log ged da ta won 't be l ost.
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Red L ED Al arm fo r each c han nel an d Gree n LED S tatu s Indi cat ion ca n be di sabl ed via t he
Da ta Log ger Se tup d ialo g in th e Data L ogge r Grap h sof twar e for sa ve pow er.
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LCD DISPLAY
Us er can p ress t he bu tton o nce to a cti vate t he LCD d ispl ay an d swit ch the d isp laye d chan nel
an d func tion s. Th e LCD di spla y wil l be clo sed au tom atic all y if not a ny but ton op era tion s
wi thin 3 0 seco nds.
Th e unit o f the
di spla yed re adin gs
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Ba tter y indi cat ion,
If . B atte ry is OK . If . Ba tter y is exh aus ted
1. T he rea l-ti me re adin gs.
2. LO G sym bol sh own w hen Lo ggin g mod e. LOG s ymbo l not s hown w hen o ther m odes .
3. U p arro w show n whe n Logg ing mo de or F inis hed m ode: S ome lo gge d read ing s exce ed the
hi gh lim it.
4. Do wn ar row sh own w hen Lo ggin g mod e or Fin ishe d mod e: Som e log ged re adin gs ex ceed
th e low li mit.
NOT E: The LC D can’t w ork at be low -10 C elsiu s degre e, an d it wil l not di spla y
nor mally a t the env ironm ent con ditio ns.
For f urthe r infor matio n on the so ftwar e, yo u can ac cess t he hel p menu o n the
sof tware i nterf ace or ot her doc ument s on the CD .
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Pleas e dow nload the softw are as the websit e:
https :// www.om ega .com/pptst/ OM-20A-TC.h tml
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