Part B: SciPres
®
Pressure Sensor Monitor Software
1.0 Software Overview
The SciPres
®
pressure monitor digitally displays inputs from up to three SciPres
®
pressure sensors
simultaneously, while also calculating and displaying either trans-membrane or differential pressure.
It has also been equipped with a “Supervisor Password”, a “Max Pressure Watchdog”, and a
“Filter” setting.
The “Max Pressure Watchdog” feature records in the sensor’s memory the maximum pressure seen
by the sensor while it is connected to the SciPres
®
monitor. The maximum recommended pressure
for the sensors is 60 psi (4.14 bar). If this is exceeded, problems with leakage and functionality can
occur. This value is displayed for a few seconds along with the Sensor ID and Cal information when
the monitor is powered up and a sensor connected.
The “Filter” setting is used to average the pressure signals when peristaltic pump heads are used.
This increases the sensor precision as well as accuracy and makes the display readings easier to
interpret when compared to ever changing values caused by pulsation. Thus it produces cleaner
graphs that are easier to read. At the lowest setting, the data is ‘live’, and at the highest, it is
averaged over a 4 second period. Please refer to the graph in section 4.0.
The “Supervisor Password” is a number between 1 and 9999 that must be entered to access the
Menu and its settings. Setting the password to 0 disables it.
The “Main Menu” allows you to change the pressure units, (psi, kPa, bar, mmHg are available) the
high and low analog range settings, adjust the baud rate and print time, change the mode between
trans-membrane, differential and none, adjust the “Filter” setting, as well as configure user-defined
hi / low pressure alarms for all four displayed values.
The SciPres
®
pressure monitor will also allow custom zero and single point full span calibration of
the sensors through the use of the “Sensor” button on the front panel. This is a modification of the
existing factory two or three point calibration. This can be reset or cleared if desired.
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