pH calibration
12
Calibration
5. After placing the pH electrode in the buffer solution, press the
key.
6. The selected buffer standard appears on the meter screen and meter starts checking
various calibration values with a blinking
on screen.
7. Wait for the
to stabilize (stable calibration reading).
8. Press the
ENT
key to confirm and save calibration data.
9. Meter displays
DONE
indicating end of the pH calibration procedure.
10. Repeat for other calibration points as required.
If you want to know previous calibrated values, press the
key when you are in the
CAL
mode.The display scrolls through the calibrated values and indicates slope and offset values.
Note
Summary of Contents for Environmental Express PH250
Page 1: ...PH250 PH260 pH ORP METER...
Page 2: ......
Page 12: ...XII MEMO...
Page 60: ...Specifications 48 Weight Approx 260 g with batteries 216 g without batteries...
Page 62: ......
