46 MW150 & MW151 Bench Meters
12. GLP
Good Laboratory Practice (GLP) allows the user to store and recall calibration data.
Correlating readings with specific calibrations ensures uniformity and consistency.
Calibration data is stored automatically after a successful calibration.
y Press GLP/ACCEPT to view GLP data.
y Use thekeys to scroll through the calibration data displayed on the third LCD line
y Press ESC or GLP/ACCEPT to return to measurement mode.
GLP information is included with every data log.
pH Information
Calibration data displayed on the third LCD line:
y Oset and slope values (slope % is referenced to ideal slope value at 25 °C / 77 °F)
y Used buers, temperature
y Time and date of the last calibration
y Electrode condition indicator after the last calibration (MW151)
y Calibration warnings
CAL
4.01
7.01
10.01
CAL
4.01
7.01
12.45
CAL
4.01
7.01
10.01
If a new buer is used, which was not used in the last calibration, the buer tag will be
displayed with the tags for the previously used buers displayed blinking.
When using custom buers, “CUST1” and “CUST2” tags are displayed. If only one
custom buer is used, “CUST1” is displayed together with its value.
If Calibration Expired Warning is enabled, “EXP IN XDAYS” shows "X" days left until
expiration and “CAL EXPIRED” indicates that calibration hes expired.
CAL
4.01
7.01
10.01
CAL
4.01
7.01
10.01