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Page 61
Monitoring
4
User guide
IBP Monitoring
4.8
A
rt.
no.
: 0-48-
0227
Rev.:
g
DEFIGARD/PHYSIOGARD Touch 7
4.8.4
IBP zeroing
4.8.5
IBP alarms/messages
• Zeroing must be carried out before every application.
• To prevent incorrect measurement readings due to the sensor's physical null drift,
calibrate the sensor every 24 hours.
Note
If the pressure sensor's position is changed after or during calibration, this might lead
to wrong low or high values.
1. In accordance with the manufacturer's instructions, open the relevant valve(s) to
equalise the system pressures as is shown in this example.
1. Select the IBP measurement field to display the IBP
menu.
2. Select the
parameter
Zeroing
to carry out the zeroing.
Alarm
Code
Cause
Remedy
No sensor
T_IBP01
• Cable not connected to the device
Check cable connection to the device.
Catheter
disconnected
T_IBP02
• Catheter disconnected
• Catheter valve closed
Check catheter
Check catheter valve
Zero required
T_IBP03
• No zeroing has been done
• Zero-point sensor too high/low by
more than
30 mmHg or unsteady
pressure
Check tube system, sensor and valves.
Perform zeroing.
Zero not possible
I_IBP01
• Try to zeroing during valid patient
measurement
• Try to zeroing without sensor con-
nected
Check catheter valve is closed during zeroing
Connect sensor
IBP SYS LOW/HIGH P_IBP01
• Systolic pressure higher/lower
than the alarm limits
Check the patient and alarm limits.
IBP DIA LOW/HIGH
P_IBP01
• Diastolic pressure higher/lower
than the alarm limits
Check the patient and alarm limits.
Rinse
Touch
Sens
Patie
Set three-way
valve to
ambient