Seamless Steel Tube DTS Temperature Sensing Cable - APAC Cable

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Seamless Steel Tube DTS Temperature Sensing Cable

Seamless Steel Tube DTS Temperature Sensing Cable

Application scenarios

Suitable for temperature and pressure sensing. Structure: bare fiber + gel + stainless steel seamless tube + sheath.
Suitable for oil tanks, mines, chemical and other industries, avoiding disasters and safety accidents through temperature or pressure sensing.

Product features

Excellent mechanical performance, transmission performance and environmental adaptability.
Protected by a stainless steel seamless tube, with small outer diameter and high strength.
Sealed design, resistant to electrochemical corrosion, providing water blocking and oil resistance.
High tensile strength, strong crush resistance, compact structure, and good sealing and waterproof performance.

Color identification

(1) Fiber colors (corresponding to 1-12 fibers)
Blue, Orange, Green, Brown, Gray, White, Red, Black, Yellow, Purple, Pink, Light Blue
(2) Cable colors (corresponding to 1-12)
Blue, Orange, Green, Brown, Gray, White, Red, Black, Yellow, Purple, Pink, Light Blue
Note: The outer sheath of the standard seamless tube armored temperature sensing cable is blue.

Environmental certifications

Compliant with EU RoHS and REACH certification standards.

Structural dimensions

Item	Unit	Specification	One-side thickness (mm)
Fiber	mm	0.25	-
Stainless steel seamless tube	mm	2.30	0.20
Cable outer sheath	mm	4.00	-
Cable weight	Kg/km	20	-

Fiber performance

(1) Geometric characteristics

Test item	G652D (single-mode)	MM 50 (multimode)	MM 62.5 (multimode)
Mode field diameter (mm)	9.2±0.4	50±2.5	62.5±2.5
Cladding diameter (mm)	124.8±0.7	124.8±1.0	124.8±1.0
Cladding non-circularity (%)	≤0.7	≤1.0	≤1.0
Core-cladding concentricity error (mm)	≤0.5	≤1.5	≤1.5
Coating diameter (mm)	245±5	245±7	245±7
Outer coating-cladding concentricity error (mm)	≤12.0	≤12.0	≤12.0

(2) Optical characteristics

Test item	G652D (single-mode)	MM 50 (multimode)	MM 62.5 (multimode)
Zero-dispersion wavelength λ0 (nm)	1302-1322	1295-1320	1320-1365
Zero-dispersion slope S0 (ps/(nm².km))	≤0.090	≤0.101	≤0.097
Effective group index (1310nm)	1.4670	-	-
Effective group index (1550nm)	1.4677	-	-
Effective group index (850nm)	-	1.481	1.496
Effective group index (1300nm)	-	1.476	1.491

Cable performance

Item	Unit	Single-mode specification	Multimode specification (MM 50/62.5)
Core/modal diameter	mm	9.2±0.4	50.0±2.5 / 62.5±2.5
Cladding diameter	mm	125.0±1.0	125.0±1.0
Maximum attenuation	dB/km	0.4（@1310nm）；0.3（@1550nm）	3.5（@850nm）；1.5（@1300nm）
Operating temperature	℃	-20～+90	-20～+90
Cable outer diameter	mm	4.00±0.20	4.00±0.20
Cable net weight	kg/km	20	20
Permissible bending radius	mm	Dynamic 20D; static 10D	Dynamic 20D; static 10D
Permissible tensile load (long-term)	N	200	200
Permissible tensile load (short-term)	N	400	400
Crush resistance (long-term)	N	800	800
Crush resistance (short-term)	N	1000	1000

Marking information

Standard marking: Manufacturer info + Cable type (seamless tube armored) + Fiber type (G652D/MM 50/62.5) + Fiber count + Month/Year + XXXXm
Custom marking content available per customer requirements.

Cable drum length

Standard drum lengths: 500m, 1000m, 2000m
10% over/under shipment allowed; settlement based on actual shipped length.

Product Brochure

Seamless Steel Tube DTS Temperature Sensing Cable

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