3M Bair Hugger 775 Operator's Manual - Specifications
Bair Hugger Model 775 Temperature Management Unit Operator’s Manual
12
Arizant Healthcare Inc.
Specifications
Physical Characteristics
dimensions
13" high x 13" deep x 14" wide
33 cm high x 33 cm deep x 36 cm wide
weight
16 lb (7.3kg)
relative noise level
53 dBA (High fan setting)
48 dBA (Low fan setting)
hose
Flexible, compatible with the Bair Hugger brand 241
blood/fluid warming system.
filtration system
High efficiency 0.2 µm air filter
recommended filter change
Every 12 months or 500 hours of use.
mounting
Can be clamped to an IV pole, placed on a hard surface,
or mounted to the rolling stand accessory.
Temperature Characteristics
recommended operating environment 15°C-25°C
temperature control
Electronically controlled.
heat generated
High fan setting: 1600 BTU/hr (average), 470 W (average)
Low fan setting: 1330 BTU/hr (average), 390 W (average)
operating temperatures
Average temperatures at the end of the hose:
HIGH:
43° ± 1.5°C
109.4° ± 2.7°F
MED:
38° ± 1.5°C
100.4° ± 2.7°F
LOW:
32° ± 1.5°C
89.6° ± 2.7°F
Safety System
thermostat
Independent electronic circuit; thermal cutoff shuts the
heater OFF to ensure hose end air remains below 56°C
(53°C ± 3°C typical); back-up over-temperature detection
at hose inlet.
alarm system
Over-temperature (≤56°C, 53°C ± 3°C typical): red Over-
temp indicator light flashes, alarm sounds, heater and
blower shut down, operating indicator lights turn OFF,
control panel becomes unresponsive.
Fault: amber Fault indicator light flashes, alarm sounds.
overcurrent protection
Dual input fused lines.