
5. Operation
5.1 Measurement mode
After all electrical connections are finished and tested, connect the instrument to the power
supply and turn it on. The transmitter will automatically entering measurement mode with the
factory default settings or the last settings from user.
5.2 Set-up menu
Please refer to the set-up instructions in Chapter 7. Press and simultaneously to
enter into set-up menu, and press to
go press to back to measurement
mode.
5.3 Calibration menu
Please refer to the calibration instructions in Chapter 8. Press and
simultaneously to enter into calibration menu, and press to go back to measurement
mode.
5.4 Shortcuts:
1. In the measurement mode, if selecting MTC for temperature compensation mode, you may press
and to adjust MTC temperature value.
2. Under measurement mode, press continuously for 2 seconds to see the Logbook function
directly. Press key to back to measurement mode.
3. Under measurement mode, press continuously for 2 seconds to switch the display mode
from text mode, trace mode, and real-time chart display mode.
5.5 Default value:
5.4.1 Setting default value:
Measurement mode: pH
Multi-Cal: 2 points pre-setting
Temperature compensation: MTC 25°C
Relay 1: High point alarm: AUTO, SP1= 10.00 pH, Hys= 0.10 pH
Relay 2: Low point alarm: AUTO, SP2 =04.00 pH, Hys= 0.10 pH
Wash time: OFF
Analog 1 current output (pH/ORP): 4~20 mA, 0.00~14.00pH
RS-485: RTU, Even, 19200, ID: 01
Digital filter: 5
Backlight setting: Off
Code set-up: OFF
Date & Time: 2012/1/1 00:00:00
Contrast: 0
Logbook: None
Auto back: Auto, 3 minutes
5.4.2 Calibration default value:
Asy: 0 mV
Slope: -59.15 mV/pH @ 25.0˚C
Calibration type: TECH-No Cal
Calibration value: None data
Auto back: Auto, 3 minutes
Note: The factory default of calibration presetting is “No Cal”, and the calibration value is “None”. It means that the
user has not calibrated the sensor with the transmitter yet. After finishing every calibration, the display shows the
calibration type and the calibration value. If the equipments have not been calibrated yet, the measurement takes
pre-set Asy and Slope into calculation. The factory default values are subject to change without notice.
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Summary of Contents for PC-3110-RS
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