Xylem Lab 850, starting from serial number 09470315 - Manual (Page 26)

Operation Lab 850
26 ba75890e01 11/2009
Preparatory activities
CalError CalError
< -30 or
> 30 ... -62 or
... -50
Eliminate the error according to
page 55
CalClock Calibra-
tion record Zero point
[mV] Slope
[mV/pH]
1 Switch on the meter with <On/Off>.
2 Connect a pH electrode to the meter.
3 Keep the buffer solutions ready.
4 Adjust the temperature of the solutions and measure the
current temperature if the measurement is made without
temperature sensor.
5 Set the buffer set to be used for calibration as necessary.