Sensors; Troubleshooting - Nuvair Pro O2 alarm Analyzer Operation Manual

9.0 Sensors

Sensor replacement for Pro O
Analyzer Sensor Specifications
Sensor Type:
Electrical Connector:
Range:
Display Accuracy:
Expected Sensor Life, Room Air:
Output Signal:
Power:
Response Time:
Drift:
Operating Temperature:
Storage Temperature:
Pressure:
Linearity Error:
Zero Offset Voltage:
Influence of Humidity:
Humidity:
Temperature Compensation:
Interferences:
Material in contact media:
Warranty:
In the interest of product improvement these design specifications may change without notice.
Note: All specifications are at ambient / sea level, 77°F / 25°C

10.0 Troubleshooting

SYMPTOM
Battery symbol
No display
Reading erratic
Display segments missing
Reading drifts
NUVAIR Rev.02.01.2012
Pro O alarm Oxygen Analyzer Manual
2
alarm
2
Electrochemical (Galvanic)
3.5 mm Molex Jack
0-100.0% Oxygen (0-1 ATA PPO
+/- 0.1%
0-24 Months @ ambient air
11+- 3 milliVolt @ dry ambient air 74°F (23°c)
9V Alkaline Battery
Less Than 12 Seconds
< 1% volume O
32-104°F (0-40°C)
recommended:41to 86°F (5 to 30°C)
maximum -4 to122°F (-20 to 50°C)
750 to 1250 hPa
= 2% @ 100% O
= 200 uV in 100% N2, applied for 5 min.
-0.03% rel. O
up to 100% RH
NTC
according to DIN EN 12598 and ISO 7767
PA, PPS, PTFE, stainless steel
12 Months
REASON
Low Battery
Switched off
Bad connection
Low Battery
Pressure on sensor
Radio transmission
Sensor old or faulty
Condensation on sensor.
Display faulty
Rapid temperature change
17
Page
Pro O alarm
2
)
2
/ month @ air
2
applied for 5 min.
2
reading /%RH
2
SOLUTION
Change the battery
Switch on
Check display/ battery connection
Change the battery
Check flow
Move unit away
Change sensor
Dry in air
Return to dealer
Stabilize temperature & recalibrate
TM
Oxygen Analyzer