Distal Fluid Temperatures; Product Safety Features - Arizant Healthcare Ranger Manuel De L'utilisateur

Ranger Blood/Fluid Warming System

Distal fluid temperatures

Nominal measurements only. Temperatures taken at 18°C room temperature.
( / )
FLOW RATE L HR
0.5
1.0
2.0
3.0
4.5
6.0
9.0
15.0
20.0
30.0

Product safety features

The following chart describes the safety alarm features of the Ranger warming unit.
ALARM TYPE WHAT TO LOOK FOR
Over-temperature Alarm indicator light
alarm - 43˚C illuminates and alarm
sounds, alphanumeric
display alternately
flashes a temperature
of 43˚C or higher and
the word "HI."
Under-temperature Alarm indicator light
alarm - 33˚C illuminates and alarm
sounds, alphanumeric
display alternately
flashes a temperature
of 33˚C or lower and
the word "LO."
Independent backup •Alarm indicator light
safety alarm - 46ºC illuminates and alarm
sounds, alphanumeric
display alternately flashes
a temperature of 43˚C or
higher and the word
"HI."
•Alphanumeric dis-
play is dark, alarm
sounds (backup safety
alarm still works even
if display is dark).
*Transient conditions may cause an over-temperature alarm condition. These conditions include:
•There was an extreme change in flow rates (e.g., from 500 mL/min to stop flow).
•The unit was turned on and reached the set point temperature of 41˚C before the warming
cassette was inserted in the device.
•Fluids were prewarmed to above 42˚C before being infused.
10°C
USING INLET FLUID
32˚C
36˚C
39˚C
39˚C
39˚C
39˚C
38˚C
-
-
-
DESCRIPTION
Heater temperature
rose to 43˚C because of
transient conditions.*
Heater temperature
has fallen to 33˚C.
Heater temperature
rose to 46˚C. Safety
backup system is acti-
vated at 46˚C and
unit shuts off power
to the heating plates.
20°C
USING INLET FLUID
32˚C
36˚C
38˚C
40˚C
40˚C
39˚C
38˚C
36˚C
35˚C
33˚C
/
CAUSE ACTION
Observe alphanumeric
display. If tempera-
ture does not drop to
41˚C (may take a few
minutes), discontinue
use of unit. Call
Arizant Healthcare
Customer Service.
Alarms stop when temper-
ature rises above 33ºC.
Continue use of unit.
If the temperature does
not rise above 33ºC,
unplug the unit and
call Arizant Healthcare
Customer Service.
TURN OFF THE
UNIT AND
UNPLUG IT. Do not
use the unit. Discard
the disposable set.
Call Arizant Healthcare
Customer Service.
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