Appendix: Electrical InstallationMSA
ULTIMA X
®
Series
GB
79
9.14 Cable Lengths and Cross-section - Gas Monitors
Toxic Gases and Oxygen Sensors with 4-20 mA Signal Output
[2- wire Sensor]
Catalytic Combustible Gas Sensor with 4-20 mA Signal Output
[3- wire Sensor]
Toxic Gases and Oxygen Sensors with 4-20 mA Signal Output
[3- wire Sensor]
Catalytic Combustible Gas Sensor with 4-20 mA Signal Output
[3- wire Sensor]
Cross-section Max. length at 24 V DC Max. load resistance
1.0 mm
2
2134 m 500 Ohm
Power supply 24 V DC
Configuration without relay with relay
Cross-section 1.0 mm
2
762 m 640 m
Cross-section 1.5 mm
2
1280 m 914 m
Max. load resistance at signal output 500 Ohm
Cross-section Max. length at 24 V DC Max. load resistance
1.0 mm
2
3658 m 500 Ohm
Power supply 24 V DC
Configuration without relay with relay
Cross-section 1.0 mm
2
610 m 457 m
Cross-section 1.5 mm
2
1067 m 762 m
Max. load resistance at signal output 500 Ohm