Ultima OPIR-5 Detector
6
2.1.4 Typical
System
Gas Cloud Measurements
Example readings of methane gas clouds by the standard Ultima OPIR-5 Detector are:
Size of gas cloud
Ultima OPIR-5
Display
50 ppm x 2 meters
100 ppm•meter
25 ppm x 4 meters
100 ppm•meter
10 ppm x 10 meters
100 ppm•meter
100 ppm x 5 meters
500 ppm•meter
50 ppm x 10 meters
500 ppm•meter
500 ppm x 5 meters
2500 ppm•meter
100 ppm x 25 meters
2500 ppm•meter
5% LEL x 1 meter
2500 ppm•meter
1% LEL x 5 meters
2500 ppm•meter
.5% LEL x 10 meters
2500 ppm•meter
Table 1: Readings of Methane Gas Clouds 0-5000 ppm•meter Range
Size of Gas Clouds
Ultima OPIR-5
Display
20% LEL x 1 meter
0.2 LEL•meter
10% LEL x 2 meters
0.2 LEL•meter
100% LEL x 2½ meters
2.5 LEL•meter
50% LEL x 5 meters
2.5 LEL•meter
100% LEL x 1 meter
1.0 LEL•meter
50% LEL x 2 meters
1.0 LEL•meter
25% LEL x 4 meters
1.0 LEL•meter
10% LEL x 10 meters
1.0 LEL•meter
Table 2: Readings of Methane Gas Clouds 0-5 LEL•meter Range
2.1.5 Control
Electronics
Both the Ultima OPIR-5 Detector Source and Receiver units operate from a 24 VDC input.
This unregulated 24 VDC is fed to on-board power supplies that produce all necessary
voltages for the Ultima OPIR-5 Detector Source and Receiver.
