Xylem HandyLab 780 - Manual (Page 61)

61
pH
AutoCal Calibration
( Automatic calibration with specifi cation of the buffer solution used)
1) Select the number of calibration points and the buffer set as shown in the
table below and press the Start softkey.
Calibration
points Auto | 1-point | 2-point | 3-point
Buffer set
-01-
(De-
fault
)
NIST standard 1.679/4.006/6.865/9.180
-02- NIST technical 1.68/4.00/7.00/10.01/12.46
-03- SI Analytics
technical 2.00/4.00/7.00/10.00
-04- Knick Calimat 2.00/4.00/7.00/9.00/12.00
-05- Mettler-Toledo 2.00/4.01/7.00/9.21
-06- Hach 4.01/7.00/10.01/12.00
-07- Ciba 2.06/4.00/7.00/10.00
-08- Hamilton 2.00/4.01/7.00/10.01/12.00
-09- Reagecon 2.00/4.00/7.00/9.00/12.00
-10- DIN 19267 1.09/4.65/6.79/9.23/12.75
-11- User buffer 1 confi gurable via HandyLab Pilot
software
2) Immerse the sensor in the 1st/2nd/3rd buffer solution and press Continue
(repeat this step for each calibration point).
3) Finally, the calibration data will be displayed.
You can Apply or Discard these values.
Note: To abort calibration, you can press meas at any time.
pH Calibration
1) In measuring mode, press the Menu softkey.
2) Select “Calibration” and confi rm by pressing enter.
3) Select the desired “Calibration mode”.
4) Perform the selected calibration as described on the following pages.
Follow the instructions on the display.
Note: Calibration is not possible when the device is connected via USB with
the HandyLab Pilot software.
Calibration