EUTECH INSTRUMENTS ALPHA PH 800 PHORP CONTROLLERTRANSMITTER, Руководство по эксплуатации, Страница: 12 / 34

8
4 OVERVIEW
4.1 Keypad and Display
4.1.1 Keypad
•
Perform rapid 2-point calibration and view electrode status
•
Allows entry to Set up mode
•
Select individual functions within the function group of Set up
mode
•
Store input data in the Set up mode
•
Start calibration in the calibration mode
•
Select various function groups in the Set up mode.
•
Set parameters and numerical values in sub functions of Set
up mode
If pressed continuously, the setting speed increases
•
Return to the Measurement mode when both keys are pressed
together
4.1.2 Display
The LCD display features two numerical displays that show status messages
and measured values for easy, quick reference. The display provides short-
text information for setting parameters and configuration.
••••
MEAS: Measurement mode
••••
SETUP: Set-up mode of function groups
••••
CAL: Calibration mode of pH/ORP
••••
READY: Comes on after a successful
calibration
••••
HOLD: Relay position and current output
are frozen
••••
ATC: Comes on in the ATC mode.
Disappears in the Manual temperature
Compensation mode.
“ATC” flashes if the temperature probe is
faulty in its ATC mode
•
Display for RELAY A/B. Green LED indicates measured
value within limit while RED LED indicates measured value
outside limit.
•
Alarm display if limit value overshoot or the ATC probe fails.
7.00
25.0
ATC
SETUP
HOLD
CAL
MEAS
CON
READY
pH
o
C