Onicon F-5500 - High Flow Rate Alarm; Low Flow Rate Alarm

Enter the value for the low flow cutoff and then press OK (F4).
When the flow rate falls below the zero flow cutoff, the flow meter will display a flow
value of zero.
To set the Pipe Diameter
F1 F2 F3 F4
Enter the pipe diameter in inches or millimeters and then press OK (F4).
Use millimeters for metric flow unit selections and inches for English flow unit
selections. If the pipe/duct is a square or rectangle, the hydraulic diameter (equivalent
value for a round pipe) must be entered for the pipe ID.
The Filter Value is entered in seconds. The allowable time constant range is 0.8 to 10
seconds. The filter time interval is proportional to the dampening.
Enter the filter value and then press OK (F4).
F1 F2 F3 F4
To set the parameters for a High Flow Rate Alarm:
F1 F2 F3 F4
This is the upper flow limit alarm value that can be associated with the alarm output.
An alarm code is generated when the flow value exceeds this limit. If no checking is
needed, this value should be set to zero.
Press OK (F4) to accept the value.
To set the parameters for a Low Flow Rate Alarm:
F1 F2 F3 F4
11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax +1 (727) 442-5699 • sales@onicon.com
F-5500 Thermal Mass Flow Meter Manual 06/17 - 2030 / 107023 Page 52
Model F-5500
OPERATION
LoFloAlm = 100 SCFM
CHG OK
HiFloAlm = 1234 SCFM
CHG OK
FILTER = 0.8 sec
CHG OK
Low Flow Rate
Alarm
High Flow Rate
Alarm
Operation: Programming
Programming
by Display
Pipe_id = 3.068 In
CHG OK
Pipe Diameter
Filter Value