Product Specifications; Changing The Battery - Invacare CHECK O2 PLUS Instrucciones De Ensamble, Instalación Y Operación

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.

CHANGING THE BATTERY

NOTE: The internal battery needs to be replaced when-
ever 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 battery
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 bot-
tom 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 the unit still fails to operate with a known good
battery, contact Invacare Technical Service for re-
pair.
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 Service
for repair.
5. If a segment of the display is missing or displayed
intermittently, contact Invacare Technical Service
for repair.

PRODUCT SPECIFICATIONS

OPERATIONAL
Pressure:
Range:
Resolution:
Accuracy:
Flow:
Range:
Input:
Resolution:
Accuracy:
Gas Stream
Temperature:
Concentration:
Range:
Input:
Resolution:
Accuracy:
Gas Stream
Temperature:
Alarm:
Power On Time:
Display:
Battery:
Battery life:
Warranty:
PHYSICAL:
ENVIRONMENTAL
Operating
Temperature
Range:
Storage
Temperature
Range:
Humidity range:
Altitude
(maximum):
3
0 to 10 PSIG 0 to 68.9 kPa
0.1 PSI 0.7 kPa
+ 2% F.S. + 2% F.S.
0 to 6.0 L/min.
Unhumidified oxygen
concentrator output only
0.1 L/min.
+ 5% F.S. (+ 0.3 L/min.)
°
+59 to +95 F / +15 to +35
73% to 96% O
2
Unhumidified oxygen
concentrator output only
0.1 %
+ 2%
°
+59 to +95 F / +15 to +35
Low battery
1 minute, 45 seconds +5 seconds
LCD
Single NEDA/ANSI 1604A
alkaline 9 volt
400+ hours (13,700+ read
cycles) with alkaline battery
2 years
Weight: 10 oz. (295g)
Width: 3.3 in. (8.38 cm)
Length: 7.3 in. (18.54 cm)
Length Includung
Inlet Fittings: 7.9 in. (20.07 cm)
Thickness: 1.25 in. (3.18 cm)
°
+59 to +95 F / +15 to +35
° °
-4 to +158 F / -20 to +70
20 to 60% relative humidity
Up to 6000 ft. (1828 meters)
above sea level
°
C
°
C
°
C
C