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26
27
Symptom
Corrective Action
Reading displayed by LCD
does not change when cali-
bration control is adjusted
Replace sensor
Reading displayed by LCD is
very low
Check sensor connection
Check cable connection
Replace sensor
Alarms continuously activat-
ed
None
–
Normal operation, confirm set points
Abnormal -
Adjust alarm set points
Remove moisture covering sensor
Check sensor connection
Check cable connection
Check integrity of gas delivery system
Check sensor’s front o
-ring seal
Verify calibration gas in not humidified
Verify flow rate is 4-5 liters per minute
Replace sensor
Replace cable
8 Specifications
Accuracy:
+2% of FS range under constant conditions
Analysis:
0-100% oxygen
Area Classification: General purpose
Alarms:
A models
–
none; M models - User adjustable HI 1-100%
and LO 0-99% alarms; 120 second alarm silence; HI
alarm defeat for 100% O
2
measurements
Calibration:
Air or 100% oxygen after 8 hours of continuous use.
Compensation:
Temperature compensated
Connections:
A/M models: 1x16mm thread; HC models: Tubing 1/4”
Controls:
Soft touch keypad for ON/OFF and menu function
Dimensions:
3.6 x 5.9 x 1.6”; weight 10 oz. (280 grams)
Display:
3-
1/2 digit backlit LCD 2.5” x 1.5”; resolution 0.1% O
2
Flow Sensitivity:
None between 0.2 to 10 liters per minute
Humidity:
Non-condensing 0-95% RH
LED Indicators:
A models - none; M models - upon activation of alarms
Linearity:
+ 1% under constant conditions
Pressure:
Inlet
–
(A/M) ambient, (HC) regulate; Vent - atmospheric
Power:
2 AA Alkaline batteries; 1,200 hours continuous use
Response Time:
90% of final FS reading in 9 seconds
Sensitivity:
< 0.5% of FS range
Sensor:
A/M models: AII-11-60 or HC models: AII-11-60-HC
Expected Life:
60 months in air at 25ºC and 1 atmosphere
Storage Temp.:
-20º to 60ºC (-4ºF to 140ºF) on intermittent basis
Temp. Range:
5º to 45ºC (41ºF to 113ºF)
Warm-up Time:
None
Warranty:
12 months analyzer; 12 months sensor
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