DTS-BLY-5S(LDV-20km) · Multimode 20 km DTS
20 km multimode sensing for long power galleries and shared-corridor routes.
DTS-BLY-5S(LDV-20km) Long-Range 20 km Distributed Temperature Sensing (DTS) System
DTS-BLY-5S(LDV-20km)
Long-Range 20 km Distributed Temperature Sensing (DTS) System
Measures continuous temperature profiles and abnormal-temperature locations along the fiber. Select range, fiber type, channels and sensing cable for the specified model.
Typical applications
Long-distance power tunnels and utility cable galleries; district heating pipelines laid in shared corridors; submarine cables
Spatial resolution, sampling interval and location accuracy are distinct quantities. Temperature accuracy depends on fiber length, acquisition time, temperature range and cable configuration; optimum values are not necessarily simultaneous.
Spatial resolution uses the 10%–90% step-response criterion and the ± spatial-extent notation used in this datasheet. Location accuracy is specified separately. Compare specifications using the same definitions and test conditions.
Technical specifications
| Parameter | Specification |
|---|---|
| Fiber Type | Multimode Fiber |
| Center Wavelength | 1550 nm |
| Measurement Range | 20 km |
| Spatial resolution | ±1 m |
| Location Accuracy | ±1 m |
| Measurement Time | ≤10 s/km(software-adjustable) / software-adjustable |
| Temperature Measurement Range | -40°C to 450°C (depending on cable type) Depending on cable type |
| Temperature Accuracy | ±0.5°C @ 10 km; ±1°C @ 20 km |
| Temperature Resolution | 0.01°C |
| Measurement Channels | Up to 16 channels |
| Optical Connector | FC/APC |
| Power Supply | DC 24 V; average power consumption ≤8 W |
| Operating Temperature | -10°C to 60°C |
| Storage Temperature | -20°C to 70°C |
| Communication Interfaces | 1 × RS-232, 1 × RJ45 Ethernet, 2 × RS-485, 8 relay outputs |
| Dimensions (W × D × H) | 482.6 × 442.7 × 88.8 mm (2U rack-mount) |
| Weight | 8 kg |
Applications and further reading
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