Philips EverFlo Q Service And Technical Reference Manual page 9

All Models
Dimensions 22.8" (58 cm) x 15" (38 cm) x 9.5" (24 cm) (H x W x D)
Low Oxygen at 82% purity (For OPI models only), Very Low Oxygen
Oxygen Purity Alarms
at < 70%
55 o F to 90 o F (13 o C to 32 o C)
Operating Temperature
29 o F to 160 o F (-34 o C to 71 o C)
Storage and Transport Temperature
Relative Humidity 15 to 95%, noncondensing
Outlet Pressure 5 to 7 psi (0.34 to 0.48 Bar)
0 to 7,500 ft (0 to 2,286 m) meets specifications
Operating Altitude
7,500 to 13,123 ft (2286 to 4000 m) not specified, exceeds specified
operating altitude
Maximum Flow at 0 & 7 kPa Outlet Pressure 5 LPM (3 LPM During trans fill operation)
Pressure Relief Valve 49 to 55 psi (338 to 378 kPa)
Each EverFlo unit is measured in the factory with an Oxygen Analyzer that measures oxygen concentration with an
accuracy specification of +/- .1 %. When using an Oxygen Analyzer with an accuracy specification of +/- 2 % to test
the Oxygen Concentration for an EverFlo Oxygen Concentrator, you may receive inaccurate readings below the
acceptable pass criteria for the device. This 2% offset should be taken in to consideration when determining if the
EverFlo is functioning properly. A more accurate Oxygen Analyzer may also be used for a more precise
measurement of the oxygen purity. As an example, a unit could be measured in the factory with the +/- 1% Oxygen
Analyzer to measure 91.1%. If this same unit is then measured with a +/- 2% Oxygen Analyzer, the reading could
display a result of 89.1%. With the +/- 2% Oxygen Analyzer, it may inaccurately look like the unit falls below the 90-
95.5% specification, when in fact the unit is within specification.
Refer to User Manual (1041063) for classification, standards compliance, and EMC requirements.
LO TM
Page 9 E F S & T I 1039055, VER. 06
VER ERVICE ECHNICAL NFORMATION