Campbell HC2-S3-L User manual

INSTRUCTION MANUAL
HC2-S3-L
Rotronic HygroClip2 Relative
Humidity and Temperature Probe
June 2013
Copyright © 2011-2013
Campbell Scientific (Canada) Corp.

3
HC2-S3-L Table of Contents
1. General..........................................................................4
2. Specifications...............................................................4
J:I&)+-.+',(+:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::L
J:J%-"/.&""-2',(+:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::M
3. Installation ....................................................................5
4. Wiring ............................................................................6
5. Single-Ended Wiring Example Programs ..................7
M:I1&)%(+IHHH:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
M:J1&)%(+IH::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::P
6. Long Lead Lengths......................................................9
7. Differential Wiring Example Programs ....................10
:I1&)%(+IHHH::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::II
:J1&)%(+IH:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::IJ
8. Absolute Humidity & Dew Point ...............................13
9. Maintenance ...............................................................17
10. References................................................................17

HC2-S3-L Temperature and Relative Humidity Probes

4
HC2-S3-L Temperature and Relative
Humidity Probe
Warning: HygroClip2 probes thread to the connector. Be sure not to
cross thread the connector and the probe.
1. General
!J;K;&,.+,"+-&)+-.+0"-!-IHH'+%-"/
!.&""-2,('-!2 +(%")J-!'(%( 2:!J;K;!,
('" .+%"+-&)+-.++' :
!2 +(%")J)+(",IHHR"'-+!' %'',0))"'
,(',0"-!(.-'2%(,,(.+27%"&"'-"' -!(0'-"&-2)"%%2
+*."+(+-!+%"+-"(')+(,,:
2. Specifications
)+-"' &)+-.+9 ;LH°-(SNH°(+
;MH°-(SMH°
+(' -!9INP&&?N:N"':@
+((2"&-+9IM:HH&&?H:MQ"':@
(.,"' -+"%9(%2+('-
(0+(',.&)-"('9VL&?-2)"%@
.))%2(%- 9M-(JL
--%"' "&-+)(0+",,0"-!('9K,(',
2.1 Temperature Sensor
',(+9-IHH7I>K7%,,
&)+-.+,.+&'-' 9;LH°-(SNH°(+
;MH°-(SMH°
&)+-.+.-).-" '%' 9H-(I:H

HC2-S3-L Temperature and Relative Humidity Probes
5
&)+-.+,(%.-"('9H:HI°
&)+-.+.+29TH:I°?GH°@
2)"%(' +&-"%"-29%,,-!'H:I°>2+

2.2 Relative Humidity Sensor
',(+92 +(%")J
%-"/.&""-2?@,.+&'-' 9H-(IHHR'(';('',"' 
.-).-" '%' 9H-(I:H
%-"/.&""-2,(%.-"('9H:HJR
%-"/.&""-2.+29H:PR?GJK°@

2)"%(' +&-"%"-29%,,-!'IR>2+
,)(',"&9K-(IJ,(',?4NK@
3. Installation
!J;K;&.,-!(.,"',""-!+&(-(+"3(+),,"/
,)"+-,(%++"-"(',!"%0!'.,"'-!"%:(',.+-!,-
)(,,"%&,.+&'-7&)%%"'-""+(&&',-!.,(-!
LKMHJ&(-(+"3,)"+-"(',!"%:-,!(.%'(--!--!LKMHJ(,
+*."+-!.,()(0+:(+-!",",.,,"('7-!),,"/,)"+-
+"-"(',!"%0"%%++':
!LIHHK;IH;%-"-"('!"%?" .+I@&(.'-,-("-!+(-!
N>IH-+")(,7-!IIH>IIM>IJH%.&"'".&-+")(,7(+-!KH
-(0+:!J;K;",!%0"-!"'-!LIHHK;"-"('!"%2
,.+"' -!,',(+"'-!LIHLN;IM)-(+',+0"' -!)-(+
"'-(-!,(-!"-"('!"%?" .+I@:!,',(+&.,-)%
,+"'-!"-"('!"%0"-!(.-&$"' ('--0"-!-!"',"
,.+(-!!"%:

HC2-S3-L Temperature and Relative Humidity Probes

6

  
4. Wiring
(''-"(',-(&)%%"'-""-%( +,+ "/'"'%I:!
)+(",&,.+2-0(,"' %;''%( "').-!''%,7('(+
-&)+-.+'('(++%-"/!.&""-2:!",('" .+-"('",&'--(
.,0"-!)+(,(,-'+%%' -!?-2)"%%2IH-@:%,
++-(-"(',N' (+0"+"' ')+( +&&"' ()+(,0"-!%
%' -!, +-+-!'IH-:
Always connect the Yellow and Grey leads to the
datalogger first, followed by the Brown, White, and Clear
leads. Connect the Green (Power) lead last.
*%&
,+")-"(' (%(.+ JK>IHHH IH?@7MIH JHH>JHM
&)+-.+ +(0' "' %;'').- "' %;'').- "' %;'').-
%-"/.&""-2 !"- "' %;'').- "' %;'').- "' %;'').-
" '%+' %%(0  
(0++' +2   
(0+ +' M M --+2S
!"% %+ 

CAUTION

HC2-S3-L Temperature and Relative Humidity Probes
7
5. Single-Ended Wiring Example Programs
!",,-"('",(+.,+,0!(0+"--!"+(0'-%( +)+( +&,:
-%( +)+( +&-(&,.+-!",,',(+'+-.,"' &)%%
"'-""=,!(+-.-+( +&."%+(-0+:
!-&)+-.+'+%-"/!.&""-2," '%,+(&-!J;K;+
&,.+.,"' -0(,"' %;''%( &,.+&'-,:
!)+((.-).-,%",H-(IHHH&"%%"/(%-,(+-!-&)+-.++' (
;LH°-(SNH°'(+-!+%-"/!.&""-2+' (H-(IHHR:%,J
'K)+(/"&.%-")%"+'(,-"'(+&-"('(+-&)+-.+'
+%-"/!.&""-2:
+% 
'"-, .%-")%"+
? +,&;I@
,-
? +,@
,-?;MH°-(
MH°
('" .+-"('@
%,"., H:I ;LH ;MH
!+'!"- H:IP ;LH ;MH

 %! $
'"-, .%-")%"+
?R&;I@
,-
?R@
+'- H:I H
+-"(' H:HHI H
5.1 Example for CR1000
>@???


7#))!#*%%!+*
.%"--F(%-
.%""+F&)
.%"

'"-,--F(%-U(%-,
'"-,"+F&)U&
'"-,U&

7!%+#*
-%?%I7+.7;I@
 -'-+/%?H7NH7"'7H@
 /+ ?I7"+F&)7J7%,@
 &)%?I77J@
'%

-%?%J7+.7;I@
 -'-+/%?H7ILLH7"'7IH@

HC2-S3-L Temperature and Relative Humidity Probes

8
 "'"&.&?I7--F(%-7J7%,7%,@
'%

7!%)&)$
 "'+( 
 '?M77I7H@
>,#++#&)++) &#+$*,)$%+++=&#+4
--+2?--F(%-@
7%)!!%#6%&#+$*,)$%+*!)=$'4
  (%-?"+F&)7I7&JMHH7I7+.7H7FNH37H:I7;LH:H@
  7%)!!%#6%&#+$*,)$%+*4
  (%-?7I7&JMHH7J7+.7H7FNH37H:I7H@
7##+#*%+&)+
  %%%?%I@
  %%%?%J@
1-'
'+( 
5.2 Example for CR10X
3*,)+ A6B6+$')+,)5
3
I9(%-?@?I@
I9I),
J9JMJMHH&NH3#-"('' 8D@?:AD??$;2AB:@???$;
K9K!''%8)&.%!):B;2##&.!):;
L9I(A"+F&)B
M9H:I.%-")%"+8#A&)#+)%+$,#+!'#!)
N9;LH,-K6D?&)6D?+&D?°&%!,)+!&%5

3*,)+ A6B6)#+!- ,$!!+ 5

J9(%-?@?I@
I9I),
J9JMJMHH&NH3#-"('' 8D@?:AD??$;2AB:@???$;
K9L!''%8 !+!):C;
L9J(AF+B
M9H:I.%-")%"+8#B&)#+)%+$,#+!'#!)
N9H,-

3!$!++ $/!$,$)#+!- ,$!!+ +&@??J:'+!&%#;5

K9?VUW@?PQ@
I9J(AF)-B
J9KWU
K9IHH
L9KH!'(

L9U1IHE'?KH@
I9IHH
J9H'71)(''-(IH
K9J(AF)-B


HC2-S3-L Temperature and Relative Humidity Probes
9
M9'?QM@

8&)%(2)"%(.+%2-.-).-(+J;K;

N9-"&",?QJ@
I9H"'.-,?(',;;@"'-(
J9NH'-+/%?,&.'"-,,(/@
K9IH-.-).-% " !?% H@

8%.-).-++2

9--"/-(+ +?PH@
I9I"'%-(+ +I
J9NH++2

P9%"&? @
I9IJJH+727(.+>"'.-?&"'" !-UJLHH@

Q9/+ ? I@
I9I),
J9I(A"+F&)B

IH9&)%? H@
I9I),
J9J(AF)-B
6. Long Lead Lengths
!",,-"(',+",-!++(+,,("-0"-!&,.+"' -!J;K;
0"-!,"' %;'&,.+&'-"-!)+(!,%%' -! +-+
-!'IH-:(/("-!",)+(%&7&)%%"'-""'
+(&&',&,.+"' -!J;K;.,"' "+'-"%'%( 
&,.+&'-0!'.,-(&%%' -!,++*."+:

'+"-%( +(''-"(',(+&,.+"' -!J;K;.,"' 
"+'-"%&,.+&'-+ "/'"'%L:!0"+"' (+-!,
.,-(&%%' -!,!,'('" .+-(%%(0"+'-"%
&,.+&'-,7'-!+(+/+",+(&-!,"' %;'0"+"' (
-"('L:

'+,-'"' -!-"%,"'-!",,-"('+'(-+*."+(+-! '+%
()+-"('(-!J;K;0"-!&)%%"'-"":,-%( +,:

!," '%++'?%%(0@'-!)(0+ +(.'?+2@+"'
(&&('"',"-!J;K;:!'-!J;K;-&)+-.+'
+%-"/!.&""-2+&,.+.,"' ,"' %;''%( 
&,.+&'-7(-!-!," '%++'')(0+ +(.'+(''-
-( +(.'--!-%( +:!," '%++'')(0+ +(.'(-!
,+/,-!+-.+')-!(+"-!+M(+IJ:!+0"%%/(%- +()
%(' -!(,%,.,-!0"+"-,%!,+,",-':!J;K;
+0,))+(1"&-%2L&0!'"-",)(0+:!0"+.,"'-!J;
K;?>JMP @!,+,",-'(J : D>IHHH-:"'-!," '%
++''-!)(0+ +(.'+(-!(''--( +(.'--!
-%( +7-!-"/+,",-'(-!(,0"+,-( -!+",!%(J : 

HC2-S3-L Temperature and Relative Humidity Probes

10
D>IHHH-7(+IK:QD>IHHH-:,"' !&:,%07-!/(%- +()?@7
%(' -!," '%++'>)(0+ +(.'7", "/'2*:?I@:
= ∗ 
UL&∗ 13.9D>IHHH- ?I@
UMM:N&>IHHH-

!",/(%- +()0"%%+",-!))+'--&)+-.+'+%-"/
!.&""-2.,-!"+'-0'-!," '%'," '%++'
%7--!-%( +7!,"'+,2:!))+(1"&-++(+"'
-&)+-.+'+%-"/!.&""-2",H:MNX'H:MNR)+IHH-(
%%' -!7+,)-"/%2:

Always connect the Yellow and Grey leads to the
datalogger first, followed by the Brown, White, and Clear
leads. Connect the Green (Power) lead last.

-%
,+")-"(' (%(.+ JK>IHHH IH?@7MIH
"+&)+-.+
?@
+(0' "+'-"%').-?@ "+'-"%').-?@
" '%+' %%(0 "+'-"%').-?@ "+'-"%').-?@
%-"/.&""-2
?@
!"- "+'-"%').-?@ "+'-"%').-?@
" '%+' .&)+-(
%%(0
"+'-"%').-?@ "+'-"%').-?@
(0++' +2  
(0+ +' M M
!"% %+ 

7. Differential Wiring Example Programs
!",,-"('",(+.,+,0!(0+"--!"+(0'-%( +)+( +&,:
-%( +)+( +&-(&,.+-!",,',(+'+-.,"' &)%%
"'-""=,!(+-.-+( +&."%+(-0+:
!-&)+-.+'+%-"/!.&""-2," '%,+(&-!J;K;+
&,.+.,"' -0("+'-"%'%( &,.+&'-,:
!)+((.-).-,%",H-(IHHH&"%%"/(%-,(+-!-&)+-.++' (
;LH°-(SNH°'(+-!+%-"/!.&""-2+' (H-(IHHR:%,J
'K)+(/"&.%-")%"+'(,-"'(+&-"('(+-&)+-.+'
+%-"/!.&""-2:
CAUTION