Thermo Fisher Scientific Alpha pH 560 - Manual (Page 36)

Thermo Scientific Alpha pH 560 31
parameters.
Press ENT key to confirm your selection.
If Controller type was set to Off (OFF)
The pH Controller reverts to Cntr screen.
If Controller type was set to On (L.Ct)
3 Select the relay status under Non-Alarm condition:
The lower display shows ‘rEL’. The upper display shows
the last configured relay status. (‘dEEn’ or ‘En’). Press ▲
or ▼ key to select the desired relay status.
EEn: De-energized
En: Energized
Press ENT key to confirm your selection. The pH
Controller reverts to Cntr screen.
Press ▲ or ▼ key to access other setup screens or Press ▲ and ▼
key simultaneously (escape) to return to measurement mode.
NOTE: The buffer selection setting is only available if the Controller is
configured for pH measurement mode.
This allows you to set the pH Controller to accept either USA or NIST
pH buffer standard group during pH calibration.
Buffer Group pH Buffer Points
USA pH 4.01, 1.68, 7.00, 10.01 & 12.45
NIST pH 4.01, 1.68, 6.86, 9.18 & 12.45
Figure 5–25. Buffer Selection Settings
Buffer Selection
Settings