CMA BT88i User guide

  • Hello! I am an AI chatbot trained to assist you with the CMA BT88i User guide. I’ve already reviewed the document and can help you find the information you need or explain it in simple terms. Just ask your questions, and providing more details will help me assist you more effectively!
TURBIDITY(SENSOR!BT88i!
USERS!GUIDE!
!
!
!
!
!
!
!
!
!
!
!
CENTRE FOR MICROCOMPUTER APPLICATIONS
http://www.cma-science.nl
"!|!#$%%&!$'()&*&+,!-./01(!20.(30!4'&*.!!
Short!description!
$'()&*&+,! &0! 5! 6.50'(.! 17! 85+.(! 9:5(&+,;! <18! 6'9<! +<.! 65+.(&5:! 0'0=./*.*! &/! 85+.(! 95'0.0! :&><+!
=500&/>!+<(1'><!+<.!85+.(!+1!).!095++.(.*?!$<.!<&><.(!+<.!&/+./0&+,!17!095++.(.*!:&><+@!+<.!<&><.(!+<.!
+'()&*&+,?!-'0=./*.*!65+.(&5:0!&/!+<.!85+.(!5(.!71(!.A56=:.!01&:!=5(+&9:.0!B9:5,@!0&:+@!5/*!05/*C@!6&9(1D
1(>5/&060! B=<,+1=:5/E+1/@! F11=:5/E+1/C! 5/*! 1+<.(! 0')0+5/9.0?! $<.0.! 65+.(&5:0! 5(.! +,=&95::,! &/! +<.!
0&F.!(5/>.!17!G?GGH!66!B9:5,C!+1!I?G!66!B05/*C?!$'()&*&+,!95/!577.9+!+<.!91:1(!17!+<.!85+.(?!
$'()&*&+,! &0! 6.50'(.*! &/! J.=<.:16.+(&9! $'()&*&+,! 2/&+0! BJ$2C?! $'()&*&+,! 6.50'(.*! &/! J$2! '0.0!
/.=<.:16.+(&9! 6.+<1*0! +<5+! *.=./*! 1/! =500&/>! 0=.9&7&9! :&><+! 17! 5! 0=.9&7&9! 85K.:./>+<! +<(1'><! +<.!
056=:.?!$<.!6.50'(.6./+!&0!L'5:&+5+&K.!5/*!95//1+!).!91((.:5+.*!*& (.9+:,!50!6&9(1>(560!=.(!:&+.(!17!
0'0=./*.*!01:&*0?!
$<.!MNO!$'()&*&+,! 0./01(!#$%%&!6.50'(.0!+'()&*&+,!&/!+<.!(5/>.!).+8../!G!???!"GG!J$2?!P+!&0!*.:&K.(.*!
8&+<! 1/.! .6=+,! 9'K.++.! 5/*! 1/.! 9'K.++.! 91/+5&/&/>! IGG! J$2! -+5):M5:!Q1(65F&/! -+5/*5(*@! 8< & 9<! &0!
'0.*!+1!95:&)(5+.*!+<.!0./01(?!!
$<.!MNO!$'()&*&+,!0./01(!95/!).!*&(.9+:,!91//.9+.*!+1!+<.!5/5:1>!#$!&/= '+0! 17!+<.!MNO!&/+.(759.0?!
$<.!0./01(!95):.!#$!D!PRRRISTH!/..*.*!+1!91//.9+!+<.!0./01(!+1!5/!&/+.(759.!&0!/1+!0'==:&.*!8&+<!+<.!
0./01(!5/*!<50!+1!).!='(9<50.*!0.=5(5+.:,!BMNO!O(+&9:.!#$09UIC?!!
Sensor!recognition!
$<.!$'()&*&+,!0./01(!#$%%&!<50!5!6.61(,!9<& =!BRRVWXNC!8&+<!&/71(65+&1/!5)1'+!+<.!0./01(Y!&+0!/56.@!
6.50'(.*! L'5/+&+,@! '/&+! 5/*! 95:&)(5+&1/?! $<(1'><! 5! 0&6=:.! =(1+191:! +<&0! &/71(65+&1/! &0! (.5*! ),! +<.!
MNO!&/+.(759.0!5/*! +< .!0./01(!&0!5'+165+&95::,!(.91>/&F.*!8<./!&+!&0!91//.9+.*!+1!+<.0.!& /+.(759.0?!!P7!
,1'(!$'()&*&+,!0 ./01(!&0!/1+!5'+165+&95::,!*.+.9+.*!),!5/!&/+.(759.!,1'!<5K.!+1!65/'5::,!0.+!'=!,1'(!
0./01(!),!0.:.9+&/>!&+!7(16!+<.!M159<!-./01(!Z&)(5(,?!!
How!the!Turbidity!sensor!works!!
$<.! MNO! $'()&*&+,! 0./01(! &0! 5! /.=<.:16.+.(! &/! 8<&9<!
&/7(5(.*! :&><+! ).56! &0! *&(.9+.*! 5+! 5! 9'K.++.! 91/+5&/&/>!
+<.! 056=:.! 85+.(?! O! *.+.9+1(@! 91/0&0+&/>! 17! 5!
=<1+1*&1*.@! & 0! 0.+! '=! +1! +<.! 0&*.! 17! +<.! :&><+! ).56?!
N1(.!:&><+!(.59<.0!+<.!*.+.9+1(!&7!+<.(.!5(.!:1+0!17!065::!
=5(+&9:.0! 095++.(&/>! +<.! 01'(9.! ).56! +<5/ ! &7! +<.(.! 5(.!
7.8?!
Calibration!!
$<.!MNO! $'()&*&+,! 0./01(! #$%"&! &0!0'==:&.*! 95:&)(5+.*?!
$<.! 1'+='+! 17! +<.! $'()&*&+,! 0./01(! &0! :&/.5(! 8&+<! (.0=.9+! +1! +<.! +'()&*&+,?! $<.! 0'==:&.*! 95:&)(5+&1/!
7'/9+&1/!&0Y!
!
$'()&*&+,BJ$2C![!I\G?G!]!^
1'+
B^C!_!%G?!
!
$<.!M159<!017+85(.!5::180!0.:.9+&/>!+<.!95:&)(5+&1/!0'==:&.*!),!+<.!0./01(!6.61(,!BRRVWXNC!1(!+<.!
95:&)(5+&1/!0+1(.*!&/!+<.!M159<!`!-./01(!Z&)(5(,?!Q1(!).++.(!599'(59,!+< .!0./01(!95/!).!95:&)(5+.*?!$<.!
95:&)(5+&1/!&0!5:01!/.9.005(,!8<./!,1'!5(.!6.50'(&/>! 01:'+&1/0! 8&+<! K5(,&/>!+.6=.(5+'(.0@!1(!8<./!
'0&/>!*&77.(./+!9'K.++.0?!!
$1!95:&)(5+.!+<.!$'()&*&+,!-./01(Y!!
I? M1//.9+!+<.!0./01(!+1!,1'(!&/+.(759.!5/*!:.+!&+!85(6!'=!71(!5)1'+!7&K.!6&/'+.0!+1!500'(.!5!0+5):.!
#$%%&!$'()&*&+,!-./01(!20.(30!4'&*.! |!S!
K1:+5>.?!
"? Q&(0+!M5:&)(5+&1/!V1&/+Y!!
$5E.!+<.!9'K.++.!91/+5&/&/>!+<.!$'()&*&+,!-+5/*5(*!BIGG!J$2C! 5/* !>./+:,!&/K.(+!&+!7&K.!+&6.0!+1!
6&A!&/!5/,!=5(+&9:.0!+<5+!65,!<5K.!0.++:.*!+1!+<.!)1++16?!!
Important:!a1!/1+!0 <5E.!+<.!0+5/*5(*?!-<5E&/>!8& :: !&/+(1*'9.!+&/,!5&(!)' )) :.0!+<5+!8&::!577.9+!
+'()&*&+,!(.5*&/>0?!!
OK1&*! +1'9<&/>! +<.! >:500! 8&+<! ,1'(! 7&/>.(0?! M:.5/!
+<.! 1'+0&*.! 17! +<.! 9' K.++.! 8&+<! 5! 017+@! : &/ +D7(..!
9:1+<!1(!+&00'.?!!
b1:*&/>! +<.! 0+5/*5(*! ),! +<.! :&*@! =:59.! &+! &/! +<.!
$'()&*&+,! 0./01(?! O:&>/! +<.! 65(E! 1/! +<.! 9'K.++.!
8&+<! +<.! 65(E! 1/! +<.! $'()&*&+,! 0./01(?! M:10.! +<.!
0./01(!:&*?!!
R/+.(!IGG!50!+<.!K5:'.!&/!J$2?!!
S? -.91/*!M5:&)(5+&1/!V1&/+Y!!
V(.=5(.! 5! blank' cuvette' ),! (&/0&/>! +<.! .6=+,! 9'K.++.! 8&+<! *&0+&::.*! 85+.(! 5/*! 7&::&/>! &+! 8&+<!
*&0+&::.*!85+.(?!Important:! $< .!)1++16!17!+<.!6./&09'0!0<1':*!).!5+!:.50+!+1!+<.!+1=!17!+<.!:&/.!
71(!.K.(,!6.50'(.6./+!+<(1'><1'+!+<&0!+.0+?!!
-9(.8!+<.!:&*!1/!+<.!9'K.++.?!OK1&*!+1'9<&/>!+<.!>:500!8&+<!,1'(!7&/>.(0?!M:.5/!+<.!1'+0&*.!8&+<!
5!017+@!:&/+D7(..!9:1+<!1(!+&00'.?!!
b1:*&/>! +<.! 9'K.++.! ),! +<.! :&*@! =: 59.! &+! &/+1! +<.! $'()&*&+,! -./01(?! O:&>/! +<.! 65(E0?! M:10.! +<.!
0./01(!:&*?!!
R/+.(!G!50!+<.!K5:'.!&/!J$2?!!
Collecting!data!!
I? M1//.9+!+<.!0./01(!+1!,1'(!&/+.(759.!5/*!:.+!&+!85(6!'=!71(!5)1'+!7&K.!6&/'+.0!+1!500'(.!5!0+5):.!
K1:+5>.?!
"? Q&::!+<.!9'K.++.!5+!:.50+!+1!+<.!+1=!17!+<.!:&/.!8&+<!056=:.!85+.(?!-9(.8!+<.!:&*!1/!+<.!9'K.++.?!
S? 4./+:,! &/K.(+! +<.! 056=:.! 85+.(! +1! 6&A! &/! 5/,! =5(+&9:.0! +<5+! 65,! <5K.! 0.++:.*! +1! +<.! )1++16.'
Important:! a1! /1+! 0<5E.! +<.! 056=:.?! -<5E&/>! 8&::! &/+(1*'9.! +&/,! 5&(! )')):.0! +<5+! 8&::! 577.9+!
+'()&*&+,?!
H? OK1&*!+1'9<&/>!+<.!>:500!8&+<!,1'(!7&/>.(0?!M:.5/!+<.!1'+0&*.!8&+<!5!017+@!:&/+D7(..!9:1+<?!!
\? b1:*!+<.!9'K.++.!),!+<.!:&*!5/*!=:59.!&+!&/+1!+<.!$'()&*&+,!0./01(?!N5E.!0'(.!+<.!65(E0!5(.!5:&>/.*?!
M:10.!+<.!0./01(!:&*?!!
`? N1/&+1(! +<.! +'()&*&+,! K5:'.?! J1+.! +<5+! =5(+&9:.0! &/! +<.! 85+.(! 8&::! 0.++:.! 1K.(! +&6.! 5/*! +'()&*&+,!
K5:'.0! *(&7+! *18/;! +<.(.71(.@! 91::.9+! ,1'(! +'()&*&+,! *5+5! *&(.9+:,! 57+.(! =:59&/>! +<.! 9' K.++.! &/! +<.!
0./01(?!
Practical!information!!
OK1&*!91::.9+&/>!*5+5!5(1'/*!)(&><+!:&><+0?!N5E.!0'(.!+<5+!+<.!:&*!&0!9:10.*!0.9'(.:,?!
OK1&*!1(!*&:'+.!*5(ED91:1(.*!056=:.0?!
O:85,0!7&::!+<.!9'K.++.!+1!+<.!:&*!8&+<!5+!:.50+!`!6Z!17!056=:.?!
#.71(.! 65E&/>! 5! +'()&*&+,! (.5*&/>@! '0.! 5! 0&.K.! 1(! =&=.++.! +1! (.61K.! c7:15+.(0d! 1(! :5(>.@! K&0&):.!
=5(+&9:.0!17!0.*&6./+!7(16!+<.!056=:.?!!
Q1(! 0')0.L'./+! 6.50'(.6./+0@! 5:85,0! 5:&>/! +<.! 5((18! 8&+<! +<.! 09(.8?! a1! /1+! 08&+9<! 95=0!
).+8../!9'K.++.0?!
H!|!#$%%&!$'()&*&+,!-./01(!20.(30!4'&*.!!
Suggested!experiments!!
$<.! 6.50'(.6./+! 17! +'()&*&+,! &0! 5! E.,! +.0+! 17! 85+.(! L'5:&+,?! M16=5(.! +<.! +'()&*&+,! 17! 85+.(!
056=:.!7(16!K5(&1'0!:195+&1/0?!
a.+.(6&/.!+<.!(5+.!17!0.++:&/>!17!5!056=:.?!!
N.50'(.!+<.!71(65+&1/!17!5!=(.9&=&+5+.?!
Storage!and!Maintenance!of!the!Turbidity!Sensor!
b5/*:.! 5/*! 0+1(.! +'()&*&+,! 9'K.++.0! &/! 5! 65//.(! +1! =(.K./+! *&(+@! 09(5+9<.0@! 1(! 1+<.(! *565>.?! e..=!
+<.6! 9:.5/@! &/0&*.! 5/*! 1'+?! A7+.(! .59<! '0.@! 850<! 8&+<! /1/D=<10=<5+.! :5)1(5+1(,! *.+.(>./+@! (&/0.!
(.=.5+.*:,!8&+<!*.&1/&F.*!85+.(!'/+&:!5::!*.+.(>./+!(.0&*'.!&0!(.61K.*@!5/*!5::18!9.::0!+1!5&(!*(,!&/!5!
*'0+-7(..! ./K&(1/6./+?! P7! +' ()&*& +,! 9'K.++.0! ).916.! 09(5+9<.*! 1(! )(1E./! .6=+,! 9'K.++.0! 95/! ).!
1(*.(.*!7(16!MNO?!
P7!+<.!IGG!J$2!-+5/*5(*!<50!)../!0+1(.*!71(!61(.!+<5/!1/.!61/+<@!*1!+<.!71:: 18&/ >!).71(.!'0&/>!&+!
71(!95:&)(5+&1/Y!
I? -<5E.!+<.!9'K.++.!K&>1(1'0:,!71(!1/.!6&/'+.!+1!0+&(!'=!+<.!=5(+&9:.0?!
"? O::18!+<.!9'K.++.!+1!0+5/*!'/*&0+'().*!71(!7&K.!6&/'+.0!+1!.:&6&/5+.!5&(!)')):.0?!
S? 4./+:,!&/K.(+!+<.!9'K.++.!7&K.!+&6.0?!!
H? M:.5/!+<.!1'+0&*.!17!+<.!>:500!9'K.++.?!!
!
IGG!J$2!-+5):M5:!Q1(65F&/!$'()&*&+,!-+5/*5(*!B1(!1+<.(!-+5)&:&F.*!Q1(65F&/!$'()&*&+,!-+5/*5(*0C!<5K.!
5!:&7.+&6.!17!"!,.5(0!5/*!95/!).!1(*.(.*!7(16!5!:195:!*&0+(&)'+1(!17!b59<!916=5/,!B888?<59<?916C?!!
Technical!Specifications!
!
Sensor'kind'
O/5:1>@!>./.(5+.0!5/!1'+='+!K1:+5>.!).+8../!0 - 5 V !
Measurement'range!
G!??!"GG!J$2!
Resolution'using'12'bit'AD'converter'
G?"!J$2!
Calibration'function'
$'()&*&+,BJ$2C![!I\G?G!]!^
1'+
B^C!_!%G!
Accuracy'
f"!J$2!71(!(.5*&/>0!'/*.(!"\!J$2!!
f\g!17!(.5*&/>0!5)1K.!"\!J$2!
LED'wavelength!
%TG!/6!
Standard!
-+5):M5:!Q1(65F&/!-+5/*5(*!IGG!J$2!Bb59<C!
Connection!
PRRRISTH!91//.9+1(!71(!#$DPRRRISTH!0./01(!95):.?!!
-./01(!95):.!/1+!*.:&K.(.*!8&+<!+<.!0./01(?!!
!
Warranty:!!
$<.!$'()&*&+,!0./01(!#$%%&!&0!85 ((5 / +. *!+1!) . !7(..!7(1 6!*.7.9+0!&/!6 5 +. (&5 :0 !5/*!81(E65/ 0< &= !71(!5 !=.(&1*!17!
I"!61/+<0! 7(16!+<.!*5+.!17! ='(9<50.!=(1K&*.*!+<5+! &+!<50!)../! '0.*!'/*.(!/1(65:!:5)1(5+1(,!91/*&+&1/0?!$<&0!
85((5/+,!*1.0!/1+!5==:,!&7!+<.!0./01(!<50!)../!*565>.*!),!599&*./+!1(!6&0'0.?!!
!
Note:! This' product' is' to' be' used' for' educational' purposes' only.' It' is' not' appropriate' for' industrial,' medical,'
research,'or'com m e rcial'a pp licatio ns.'' ' ' ' '
Rev. 20/11/2014
/