Xylem ProLab 1000 BENCH TOP pH METER User Manual
Page 45
ProLab 1000
Operation
45
ba75576e04
01/2011
Sample record:
Calibration evaluation
After calibrating, the meter automatically evaluates the calibration. The
zero point and slope are evaluated separately. The worse evaluation of
both is taken into account. The evaluation appears on the display and
in the calibration record.
Preparatory activities
Perform the following preparatory activities when you want to calibrate:
Printing date 26.04.06 16:13
ProLab 1000
Ser. no. 06249876
USER ID: 1234567890
CALIBRATION pH
Calibration date 20.04.06 10:14:03
A 161 1M DIN-ID
Ser. no. A062498765
USER ID: 1234567890
Cal. interval
7 d
NIST/DIN
Buffer 1
6.86
Buffer 2
9.18
Voltage 1
7.2 mV 26.3 °C
Voltage 2
-171 mV 26.3 °C
Slope
-59.2 mV/pH
Zero point
-0.5 mV
Sensor
+++
Display
Calibration
record
Zero point [mV]
Slope
[mV/pH]
+++
-18 ... +18
-60.5 ... -57.5
++
-22 ... +22
-57.5 ... -56
+
-26 ... +26
-61 ... -60.5
or
-56 ... -55
-
-30 ... +30
-62 ... -61
or
-55 ... -50
Clean the electrode according
to the sensor operating manual
CalError
CalError
< -30 or
> 30
... -62 or
... -50
Eliminate the error according to
chapter 6 W