Instruction Manual
α
lpha-pH 550
Eutech Instruments
12
3. Operation
3.1 Measurement mode
When the pH Monitor is powered on, the display shows all the LCD segments
briefly, and then automatically enters into the
Measurement mode
.
pH
MEAS
ATC
°C
READY
25.0
7.00
The mode indicator ‘
MEAS
’ at the top of the display indicates that the pH
monitor is in Measurement mode; ‘
MEAS
’ blinks when in Symmetric mode.
The upper alpha-numerical display shows the measured pH or mV value,
while the lower display shows the temperature value. The indicator “pH” or
“mV” at the upper right side of the display indicates the current measurement
mode. (Refer Section 5.5 for switching measurement modes)
To guarantee accurate readings, the measuring system (the pH
Monitor and the sensor) must be calibrated regularly.
NOTE:
From measurement mode you can access:
•
Calibration mode
(by pressing
CAL
key)
•
Setup mode
(by pressing
ENT
key)
For more details, refer section 4 for Calibration mode and section 5 for Setup
mode.)