Omega PHB21, User Manual

Page: 18 / 38

6.4.
Equipment Operation pH - Check
SELECT FUNCTION
mV ºC pH
pH: READ /
SET UP/ CHECK
ELECTRODE
CHECK
PLACE ELECTRODE
BUFFER 7.OOpH
READY?
READY?
============
====
============
ELECT.:VERY GOOD
<ENTER>
WASH ELECTRODE
READY?
ATTENTION:CHECK
ELECTRODE
CHEK SOLUTION
<ENTER>
ELECTRODE
HIGH ISO<ENTER>
WASH ELECTRODE
w/THIOUREA
& PEPSIN
PERSISTING BAD
CONTACT OMEGA
CUSTOMER SERVICE
(800) 872-9436
<ENTER>
WASH ELECTRODE
READY?
PLACE ELECTRODE
BUFFER 4.01pH
Good Electrode
Electrode with problem
16
Press key until option flashes, then
press key to confirm the option chosen.
<SELECT> pH
<ENTER>
Press key until option flashes, then
press key to confirm the option chosen.
<SELECT> Check
<ENTER>
Dip electrode into 7.00pH Buffer. This buffer value was
chosen at Set Up Operation.
When ready, press key.
Wait.
Remove the electrode from 7.00pH Buffer and wash it
using deionized water. When finished, press
key.
<ENTER>
<ENTER>
Dip electrode into 4.01pH Buffer. This buffer value was
chosen at Set Up Operation.
When ready press key.
Wait.
The Sensitivity of the electrode will be displayed.
The analysis program will then
display the electrode sensibility
and its condition or any problem
that might occur with it.
Sensitivity above 90% - Very Good
Sensitivity below 90% and above 80% - Good
Sensitivity below 80% - Bad
<ENTER>