1-Fiber 62.5/125 um Multimode Spiral Pipe Armored Temperature Sensing Cable
F-tone Networks FT-3912: 1-fiber 62.5/125 um multimode spiral pipe armored sensing cable for DTS fire detection, tunnel and building monitoring projects.
- Item
- MM 50
- Core Diameter(µm)
- 50±2.5
- Cladding Diameter (µm)
- 124.8±0.1
- Cladding Non-circularity(%)
- ≤1.0
- Core-cladding Concentricity Error (µm)
- ≤1.5
- Coating Diameter(µm)
- 245±7
Reference model FT-3912 in your inquiry. Datasheets are confirmed offline before order. Full specifications ↓
Technical parameters
| Item | MM 50 |
|---|---|
| Core Diameter(µm) | 50±2.5 |
| Cladding Diameter (µm) | 124.8±0.1 |
| Cladding Non-circularity(%) | ≤1.0 |
| Core-cladding Concentricity Error (µm) | ≤1.5 |
| Coating Diameter(µm) | 245±7 |
| Coarting-cladding Concentricity Error (µm) | ≤12.0 |
| Zero Dispersion Wavelength(nm) | 1295-1320 |
| Zero Dispersion Slop [ps/(nm2.km)] | ≤0.101 |
| Ngroup Index Of Refraction | 850nm |
| 1.481 | 1.476 |
| Fiber Core/Modal Diameter | 50.0±2.5 / 62.5±2.5 µm |
| Cladding Diameter | 125.0±1.0 / 125.0±1.0 µm |
| Attenuation | 3.5dB/km@850nm / 3.5dB/km@850nm dB/km |
| 1.5dB/km@1300nm | 1.5dB/km@1300nm |
| Temperature | -40℃~+85℃ |
| Outer Diameter | 2.85±0.10 mm |
| Cable Weight | Kg/km |
| Allowable Bending Radius | Dynamic 20D Static 10D mm |
| Allow Tension | Long-term 200 Short-term 400 N |
| Coefficient Of Heat Conductivity | W/(m·k) |
Product details
The FT-3912 from F-tone Networks is a single-fiber 62.5/125 um multimode temperature sensing cable reinforced by both a SUS spring tube and SUS stainless braiding. This double-armored construction delivers strong tensile and crush resistance, and the cable serves as a general-purpose sensing cable for distributed temperature sensing (DTS) systems. A small 2.85 mm diameter and simple structure provide good thermal conductivity, while the outer jacket complies with UL, RoHS and IP9 requirements. The cable is widely used in fire detection, building health monitoring and temperature detection projects.
Key Features
- 1 fiber, 62.5/125 um multimode
- Double armor: SUS spring tube plus SUS stainless braiding
- General-purpose sensing cable for DTS systems
- Small 2.85 mm diameter with good thermal conductivity
- Outer jacket compliant with UL, RoHS and IP9
- Flexible and resilient, easy to deploy
Applications
- Highway and underground tunnel fire detection
- Power cable tunnel temperature monitoring
- Factory, hall and granary fire monitoring
- Coal and petrochemical pipeline safety detection
For pricing, datasheets and OEM/ODM inquiries, contact the F-tone Networks sales team: una@f-tone.com / betty@f-tone.com · WhatsApp: +86 17761163895
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