Operating Instructions - Cole
Operating Instructions
Setup Menu (To change setting):
Oakton® EcoTestr pH2+ Waterproof Pocket Tester
1. Remove cap and press
button to turn on the tester.
4. When pH reading stabilized, the
the measurement.
button to enter the Setup Menu and ‘bUFF’ will appear.
button and ‘bUFF USA’ will appear for selection.
menu
button to toggle between ‘bUFF nISt’ & ‘bUFF USA’ for selection.
4. Press
button to accept & display showing ‘donE’ to confirm the new selection
& return to ‘bUFF’.
2. Dip sensor in at least 20 mm of test solution.
3. Stir gently and wait for the flashing
menu
2. Press
3. Press
Measurement:
5. Press the
1. Press
5. Press
to stop.
menu
6. Press
will appear on display & user can take
7. Press
button to toggle from ‘bUFF’ to ‘r.SEt’.
button and ‘r.SEt nO’ will appear for selection.
menu
button to toggle between ‘r.SEt nO’ & ‘r.SEt YES’ for selection.
8. Press
button to accept & display showing ‘donE’ to confirm the new selection
& return to ‘rSEt’.
button again to switch off tester.
Note: Tester automatically shuts off after 8.5 minutes of nonuse to conserve batteries.
9. Press
menu
button to toggle from ‘r.SE t’ to ‘dEg’.
Calibration:
10. Press
1. This tester allows up to 3 Point to Point Calibration.
11. Press
2. Tester can start with pH 7.00 or pH 4.01 or pH 10.01 buffer.
12. Press
button to confirm accept & display showing ‘donE’ to confirm the
new selection & return to ‘dEg’.
3. It will exit to Measurement after each calibration and Calibration Point is accumulative.
4. Remove cap and press
button to turn on the tester.
cal
esc
button to start pH calibration.
7. Display will show ‘CAL’ followed by the default pH value &
during calibration.
8. When the pH reading stabilized, flashing
9. After the
CAL
will appear on display
will stop.
will appear on display, wait for Auto Buffer to lock.
10. After 3 seconds, tester will auto accept or press
showing ‘donE’ to confirm the Auto Calibration.
button to manually accept &
11. To calibrate additional point(s), repeat steps 5-10 using other pH Buffers.
12. To abort pH calibration, press
cal
esc
menu
button to toggle between ‘dEg C’ & ‘dEg F’ for selection.
button to toggle from ‘dEg’ to ‘t.CAL’.
14. Press
button and e.g. ‘25.0’ (default ATC) will appear on 1st Line &
flashing ‘25.0ºC’ (Cal. ATC) will appear on 2nd Line.
5. Dip sensor in at least 20 mm of pH buffer.
6. Stir gently and press
13. Press
button and ‘dEg C’ will appear for selection.
menu
button to escape.
Note: Auto USA buffers are 7.0 pH, 4.0 pH & 10.0 pH; Auto NIST buffers are 6.9 pH, 4.0 pH & 9.2 pH.
15. Press menu button to decrease value to the set ATC reading
(+/- 5.0ºC/9.0ºF of default ATC).
16. Press
button to accept & display showing ‘donE’ to confirm the new
calibrated ATC reading & return to ‘t.CAL’.
17. Press menu button to toggle from ‘t.CAL ’ back to ‘bUFF’ again. The Setup
Menu cycle will repeat.
18. To exit from Setup Menu back to Measurement Mode, press
cal
esc
button to escape.
Error Messages:
1. ‘ ’ – Weak batteries & need replacement soon.
2. ‘bAt Lo’ (Low Battery supply) – Tester automatically shuts off without going to
Measurement Mode & batteries need immediate replacement.
3. ‘StBL Err’ (Stabilizing Error) – Manual confirm of calibration when reading still stabilizing.
4. ‘bUFF Err’ (Buffer Error) – Buffer standard out of calibration window.
5. ‘SLPE Err’ (Slope Error) – 2nd or 3rd Point calibration where slope is out of the 80% to
120% window.
6. ‘Or’ (Over Range) – The pH & ATC temperature reading is above the measuring range of
tester.
7. ‘Ur’ (Under Range) – The pH & ATC temperature reading is below the measuring range of
tester.
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