In order to calibrate the input channels, you need to enter the password “calph”.
Then you can calibrate each input channel. At every calibration point, you
need to simulate either the pH millivolt signal equivalent or RTD resistance
equivalent.
pH Calibration:
Simulate 4 pH = +177.5 mV , then Press ‘Set Low’
Simulate 7 pH = 0 mV , then press ‘Set High’
RTD Temp Calibration:
Simulate 100 ohms RTD @ 20 ºC = 107.8 ohms , then press ‘Set Low’
Simulate 100 ohms RTD @ 80 ºC = 130.9 ohms , then press ‘Set High’
Then press ‘Save’ to complete the calibration process.
Figure 3-17. Settings Menu (Re-scale/Calibrate/Memory Tab) Screen
PC Interface Software
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