A-1
Alarm Oxygen Monitor
Appendix
Teledyne Analytical Instruments
Appendix
A.1
Specifications
Range:
0-25% Oxygen
Sensitivity:
0.5% of full scale
Accuracy:
±2% of full scale (at constant temperature)
±5% of full scale (over operating temperature
range once the system has reached equilibrium)
Response Time:
90% in less than 20 seconds at 25°C (B-3 cell)
Operating, and Storage Temperature:
0-50°C
Relative Humidity:
0-95% Non condensing
Maximum Altitude:
6562ft (2000 meters)
Reproducibility:
± 1% of full scale
Sensor Type:
B-3
Display:
Light emitting diode display - LED.
Battery Life:
48 hours (non-alarm condition) non-failsafe
17 hours (non-alarm conditions) failsafe
Power Requirements:
AC 100 to 240VAC @ 50/60 Hz, 0.3A MAX
Battery Backup version charges and maintains a
12 VDC lead acid battery.
Signal Output:
Voltage: 0-10 VDC, Negative Ground (10mA
MAX)
Current: 4-20 mA, Negative Ground (15V
MAX open circuit) 10VDC/500ohms maximum
operating range.
Audible Alarm:
12-15 VDC
4.3mA Max.
Range ID:
0-10VDC (0-10mA MAX) (80mA short circuit)
Enclosure:
Wall Mounting, NEMA-4 enclosure.
Approx. 8"(W) x 10"(H) x 6"(D)
Alarms:
Factory Set:
CAUTION = 20.0%
DANGER = 19.5%
CELL FAIL
Audible Buzzer
Visual Red, Indicator Lamps