User Manual

7URXEOHVKRRWLQJJXLGH
Trouble Reason Correction
Drift - readings
slowly varying
*ODVVZDUHQRWFOHDQ &OHDQJODVVZDUH
:LFNFRQWDPLQDWHGRUEORFNHG 5HSODFHSUREH
*ODVVZDUHDJHG 5HSODFHSUREH
Displays similar pH reading
in all buffers no matter
what the buffer value is
*ODVVZDUHRUVWHPFUDFNHG 5HSODFHSUREH
Unsuccessful calibration
(Low slope <90%)
%XIIHUVLQDFFXUDWH 5HSODFHEXIIHUV
*ODVVZDUHQRWFOHDQ &OHDQJODVVZDUH
*ODVVZDUHDJHGJODVVZDUHZLOO
QRWFOHDQ
5HSODFHSUREH
%1&ÀWWLQJZHW 8VHFORWKWRGU\1RWHWHUPVRIJXDUDQWHH
Noisy - readings jumping
3RRUFRQQHFWLRQWRPHWHU &KHFN%1&ÀWWLQJ
&RQWDFW]RQHQRWLPPHUVHG /RZHUSUREHLQWRVROXWLRQDWOHDVWFPµ
Displays pH 7
for all buffers
(OHFWULFDOVKRUW &KHFN%1&ÀWWLQJDQGFDEOHIRUGDPDJH
%1&ÀWWLQJZHW 'U\%1&ÀWWLQJZLWKFORWK
%URNHQJODVVZDUH 5HSODFHSUREH
Incorrect sample reading
following successful
calibration
*URXQGORRSRIWHQRFFXUVLQ
SURFHVVV\VWHPV
9HULI\E\UHPRYLQJWKHVDPSOHIURPLWV
HQYLURQPHQWDQGPHDVXULQJLQDJODVV
EHDNHU0D\UHTXLUHHOHFWULFDOFLUFXLWU\WREH
FKHFNHGLQV\VWHP
:LFNEORFNHG 5HSODFHSUREH
Waterproof cable joint BNC fitting Storage cap Glassware/probe tip
%OXHODEUHSODFHPHQWS+SUREH