Calibration
Value Zero Span Function
pH 7.00 7.004.00 Read
D.O. 100 0 100 Read
NOTE:
1. Change function to zero, calibrate zero.
2. Change function to span, calibrate span.
Figure 16
There is a recorder output connector on the left hand side of the control cabinet. An
external recorder with 0-1 volt high impedance input may be connected to the output.
An RS232/422 computer interface has been provided. A 25 pin "D" connector is located
on the left hand of the control cabinet. An advanced fermentation software program is
available which will enable the operator to interface with an IBM or suitably compatible
MS-DOS computer. It will enable one to establish or change the set points for temp, pH,
D.O., agitation speed and pump flow rate. The operator may also read and log the current
values of those parameters (temp, pH, DO, air flow, pump flow rate, levels and agitation)
which are monitored. By having the data available in this form it can be stored, plotted
and, afterwards, transferred to other commonly available programs, manipulated and
analyzed in various ways.
M1217-0050 9
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