11
13. Specifications
■ Oxygen & Temperature Sensor Specifications:
Oxygen Sensor Specifications
Range
0 - 25% display
Display Resolution
0.1%
Accuracy
Better than 2%FS
Pressure
Dependence
Auto pressure compensation, built in barometer. (500
‐
1200 mbar)
Response Time
O2: <2min by 90%
O2 AL1
18.0%, 18.5%, 19.0%, 19.5%,
20.0%. The default AL1 is 19.0%.
O2 AL2
16.0%, 16.5%, 17.0%, 17.5%. The default
AL2 is 17.0%
O2 AL3
15.5%, 15.0%, 14.5%, 14.0%, 13.5%, 13.0%
, 12.5%,
12%.
The default AL3 is 1
2
.0%.
Sound Alarm
80db@10cm
Warm-Up Time
< 60 seconds at 72°F (22°C)
Temperature Sensor Specifications:
Temperature Range
32°F to 122°F (0°C to 50°C)
Display Resolution
0.1°F (0.1°C)
Display Options
°F /°C
Accuracy
±2.7°F (±1.5°C) when O2 concentration is below first
alarm level
Response Time
20-30 minutes
Operating Conditions:
Operating
Temperature
32°F to 122°F (0°C to 50°C)
Humidity Range
0 ~ 95% RH non-condensing
Storage Conditions:
Storage
Temperature
-4°F to 140°F (-20°C to 60 °C)
■ Power Supply
Power
Supply
DC
9~32VDC (12~32VDC recommended), 2A.
AC adapter
Input: 100~240 VAC,50/60Hz, 0.6A
Output: 12VDC, 2000mA.
Battery
Voltage
6VDC (5.4V~7.0V),
recommended capacity is 12AH
■ Relay Outputs
■ 4-20mA Outputs
CL01:420mA O2: 0~25%
CL02:420mA Temp: 32 to 122° F (0-50°C)
■ Weight and Dimensions
SEU
Weight
Dimensions (LxWxD)
1 lb.
6.69 x 4.96 x 2.73 inches
RDU
Weight
Dimensions (LxWxD)
0.4 lb.
5.51 x 3.54 x 1.89 inches
There are three relay outputs:
•
Relay 1 operates at alarm1 for O2
•
Relay 2 operates at alarm2 for O2
•
Relay 3 is not related to alarms and depends on power on/off
The peak current for all relays are less than 2A@30 VDC or 250 VAC, SPDT.
