Gambro Cobe Spectra Essentials Manual page 207

Maximum AC Flow Alarm (Dual-Needle Only)
Characteristics
Detection method
Accuracy
Delay time
Maximum AC Volume Alarm
Characteristics
Detection method
Accuracy
Delay time
®
COBE Spectra™ Apheresis System • Essentials Guide
Performance
Checks commanded AC pump flow rate against
absolute limit of 12.5 mL/min. If commanded flow rate
is greater than absolute limit, alarm occurs.
Alarm occurs at 12.5 mL/min or greater.
0.25 seconds from time pump flow rate command is
received until alarm occurs
Performance
AC pump equipped with Hall-effect sensor to measure
pump flow rate as pump rotates. If pump rotates more
than an absolute limit of 250 mL within last 20 min,
alarm occurs.
Plus or minus one pump rotation
1/4 second from time pump volume exceeds 250 mL
(within last 20 min) until alarm occurs.
Conditions
Does not check during some Prime mode steps
Conditions
Does not check during some Prime mode steps
Specifications
13-11