1.3 901-PH Front Panel
Display
• 16 character alphanumeric LCD with 14.5 mm characters.
• pH/mV and Temperature can be displayed simultaneously.
• User friendly text prompts and error messages.
• Serial number is displayed when the 901-PH is switched on.
Key
• Switches between pH, mV, Temperature and 2 optional RS232 modes. See
section 2.
Key
• Used to calibrate pH and Temperature. See sections 3 and 5.
• Also used to select buffers for automatic buffer recognition. See section 8.
and Keys
• Used for temperature calibration. See section 5.
• Used for setting the manual temperature compensation value if the
temperature sensor is unplugged. See section 5.4.
• Press to recall asymmetry value from the last successful pH calibration.
• Press to recall slope value from the last successful pH calibration.
• Used to select baud rate when optional RS232 port is fitted. See section 6.1.
• Used to select output "send" rate when optional RS232 port is fitted. See
section 6.2
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