Invacare CHECK O2 PLUS, Assembly, Installation And Operating Instructions

Page: 3 / 16

3
PRODUCT SPECIFICATIONS
OPERATIONAL
Pressure:
Maximum Input Pressure: 68.95 kPa, 0 to 10 PSIG
Resolution: 0.7 kPa 0.1 PSI
Accuracy: + 2% F.S. + 2% F.S.
Flow:
Maximum Flow Rate: 6.0 L/min.
Input: Unhumidified oxygen
concentrator output only
Resolution: 0.1 L/min.
Accuracy: + 5% (+ 0.3 L/min.)
Gas Stream Temperature: +15 to +35
°
C
Concentration:
Range: 73% to 96%
Input: Unhumidified oxygen
concentrator output only
Resolution: 0.1 %
Accuracy: + 2%
Gas Stream Temperature: +15 to +35
°
C
Alarm: Low battery
Power On Time: 1 minute, 45 seconds
+ 5 seconds
Display: LCD
Battery: Single NEDA/ANSI 1604A
alkaline 9 volt
Battery life: 400+ hours (13,700+ read
cycles) with alkaline battery
Warranty: 1 year
PHYSICAL Weight: 0.30 kg.
Width: 8.380 cm
Length: 18.54 cm
Includung Inlet
Fittings:
20.07 cm
Thickness: 3.18 cm
ENVIRONMENTAL
Operating
Temperature Range:
+15 to +35
°
C
Storage
Temperature Range:
-20 to +70
°
C
Humidity range: 20 to 60% relative humidity
Altitude (maximum): Up to 1828 meters above
sea level
TROUBLESHOOTING
NOTE: There are no user serviceable parts inside
the analyzer.
1. If the unit fails to come on, replace the battery
with a known good battery.
2. If the unit fails to come on with known good bat-
tery, contact Invacare Technical Service for repair.
3. If the unit comes on but the FUNCTION button
does not select any functions, contact Invacare
Technical Service for repair.
4. If the display comes on but the readings are er-
ratic or frozen, contact Invacare Technical Ser-
vice for repair.
5. If a segment of the display is missing or displayed
intermittently, contact Invacare Technical Service
for repair.
CHANGING THE BATTERY
NOTE: The internal battery needs to be replaced
whenever the
BAt display is seen on the LCD.
1. Turn the analyzer over.
2. Remove the six (6) screws holding the case bot-
tom to the top and take the bottom cover off.
3. Remove the discharged battery from the bat-
tery clips and dispose of or recycle properly.
CAUTION
Observe proper polarity for battery installation.
4. Install a new 9 volt battery on the battery clips.
Make sure the battery snaps tightly on the clips.
NOTE: Use of a DURACELL® alkaline 9 volt battery
will provide for maximum life of the unit.
5. Turn the unit over and press the ON button. The
display should come on. If it does, replace the
bottom cover and install the six cover screws.
6. If the unit does not come on, remove the battery,
check it in another device or on a battery tester
and reinstall it. Try turning the unit on again.
7. If unit still fails to operate with a known good bat-
tery, contact Invacare Technical Service for repair.
6. Pressing the FUNCTION ( ) button will toggle
the analyzer through its various detecting functions.
7. With "O2" readings, values below 70% will be
displayed as "LO".
8. When the battery is completely discharged, BAt
will FLASH once on the LCD and the analyzer
will turn itself off. Refer to section on changing
the battery in this Instruction sheet.