Sensing cables

Sensing cables

Sensing cables - Image 2

Sensing cables - Image 3

Features

Rugged and robust design
High tensile strength and crush resistance
Any IP67 connector available
Lightweight
Customized length of both the sensing (“active) and launch (“passive”) parts
Connectorization directly on the active sensing cable possible
Available with high-reflection or no-reflection termination

Applications

Temperature measurements
Sensing technologies: Raman, Brillouin, FBG
Monitoring
Harsh environment, outdoor and underwater measurements

Strain measurements
Brillouin and FBG sensing technologies
Pipe, structure, and soil monitoring
Harsh environment, outdoor and underwater measurements
Structural Health Monitoring
Precise measurements (up to 1%)

Technical parameters

Temperature sensors

Parameter	Value
Cable diameter [mm]	4.6
Mass [kg/km]	27
Temperature of operation [°C]	-40 - +85
Temperature of storage [°C]	-40 - +85
Temperature of installation [°C]	-10 - +50
Max temperature (3 min) [°C]	+150
Max tensile strength, installation [N]	1500
Max tensile strength, operation [N]	1000
Max crush resistance [N/cm]	500
Min. bending radius without tensile [mm]	70 (15xD)
Min bending radius with tensile [mm]	90 (20xD)

Strain sensors

Parameter	Value
Cable diameter [mm]	3.2
Mass [kg/km]	10.5
Temperature sensitivity df_B/dT [MHz/°C]	1.1
Strain sensitivity df_B/dTε [MHz/°C]	450
Central Brillouin frequency [GHz]	10.6
Max tensile strength, installation [N]	260
Max crush resistance [N/cm]	250
Min. bending radius without tensile [mm]	48 (15xD)
Min bending radius with tensile [mm]	64 (20xD)