FT-27-TMM Series Multimode Fiber DTS Demodulator High-Precision Real-Time Temperature Monitoring for Critical Assets
Congratulations to Professor Huijuan Wu of F-tone Networks, who has been selected to the Stanford University World’s Top 2% Scientists List for four consecutive years from 2022 to 2025.Specializing in DAS, DTS, DVS and DSS distributed fiber optic sensing systems, Professor Wu leads our core R&D team with world-class academic achievements in fiber sensing technology. Every DAS interrogator we supply is backed by our independent, cutting-edge self-developed algorithms and hardware, delivering ultra-stable, high-precision long-distance monitoring performance for global industrial clients.
The FT-27-TMM multimode fiber-compatible DTS (Distributed Temperature Sensing) interrogator is a rack-mount, high-precision continuous distributed fiber temperature monitoring unit independently developed and manufactured by our company for multimode fiber applications.This unit enables full-length continuous distributed temperature profiling along the optical fiber.
The FT-27-TMM temperature interrogator adopts a customized design for superior light source stability and enhanced APD detection sensitivity. Equipped with industry-leading high-resolution, ultra-high-speed analog-to-digital (ADC) conversion and signal processing circuits, it achieves industry-leading performance across core technical indicators including maximum sensing distance, spatial resolution, temperature measurement accuracy and response speed.
Product Advantages
- Ultra-high temperature measurement accuracy
- Rapid temperature response speed
- Superior spatial resolution
- Extended sensing distance up to 20 km
- Highly robust embedded industrial design
Applications
- Tunnel & underground space fire alarm detection
- Oil & gas pipeline thermal leak inspection
- Storage tank & power cable fire monitoring
- Dam full-section temperature profiling
- Industrial fire safety monitoring
Model-Specific Specifications
| Model | Single Channel Sensing Distance | Spatial Resolution | Temperature Measurement Range | Single Channel Measurement Time |
|---|---|---|---|---|
| FT-27-TMM053 / FT320 | 5 km | 3 m | -10 ℃ ~ 120 ℃ | 3 s |
| FT-27-TMM053UH | 5 km | 3 m | 10 ℃ ~ 300 ℃ | 3 s |
| FT-27-TMM103 | 10 km | 3 m | -10 ℃ ~ 120 ℃ | 5 s |
| FT-27-TMM101 | 10 km | 1 m | -10 ℃ ~ 120 ℃ | 15 s |
| FT-27-TMM154 | 15 km | 4 m | -10 ℃ ~ 120 ℃ | 15 s |
| FT-27-TMM151 | 15 km | 1 m | -10 ℃ ~ 120 ℃ | 30 s |
| FT-27-TMM201 | 20 km | 1 m | -10 ℃ ~ 120 ℃ | 30 s |
General Specifications for All Models
| Item | Parameter Value of FT-27-TMM Multimode Fiber Series |
|---|---|
| Number of Channels | 1 channel |
| Temperature Resolution | 0.1 ℃ |
| Temperature Measurement Accuracy | ±1 ℃ |
| Positioning Accuracy | 1 m |
| Operating Temperature Range | -25 ℃ ~ 60 ℃ |
| Storage Temperature | -60 ℃ ~ 70 ℃ |
| Power Supply | AC 180 V ~ 240 V, 50 Hz ± 5 Hz |
| Optical Interface | FC/APC |
| Communication Interface | 10/100/1000 M adaptive Ethernet, RJ45 port |
| Secondary Development Interface | Dynamic link library provided for secondary development and system integration |
| System Software | Windows 2000 and above |
| Alarm Zones | Configurable via software |
| Dimension | Standard 19-inch 2U rackmount chassis |
| Weight | 5.8 kg |
| Product Compliance | Compliant with EMC, environmental reliability, functional and performance test standards |
Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.
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Power and Wavelength Testing
Test the signal delivering strength and wavelength, to ensure the signal decoding capacity of the receiver, and the wavelength remains consistent from the transmitter to the receiver.
Traffic Testing
Test the bit error rate and packet loss rate, to make them meet the corresponding standards and ensure the performance of transceivers.
Optical Performance Testing
Test the transceivers' eye diagram situation, receiving sensitivity, extinction ratio, wavelength, light-emitting, light-receiving, current and voltage, to ensure the signal quality, stability and reliability of the transmission.
End Face Testing
Check the end face of the transceivers and keep them clean for more stable data transmission, better performance, and durability.
Various Switch Tests
Every module is quality tested for compatibility in the multi-brand switches environment, guaranteeing flawless operations.