The ZS-11 PRO Coal Silo Temperature Sensor Cable is a heavy-duty multipoint monitoring cable designed for coal silos with installation depths from 5 to 40 meters. It continuously measures temperatures at different levels inside stored coal, helping operators identify localized heating, abnormal temperature changes and potential fire risks before they develop into serious incidents.
One cable can integrate from 1 to 100 digital temperature sensors. By distributing these sensors vertically along the cable, the system provides a clear temperature profile across the upper, middle and lower sections of the silo. This makes the ZS-11 PRO suitable for power plants, coal mines, coking plants, cement factories and industrial coal storage facilities.
Heavy-Duty Armored Structure for Coal Silos
A Coal Silo Temperature Monitoring Cable must withstand more than its own weight. During silo filling, storage and discharge, moving coal creates considerable pulling force, friction and lateral pressure.
The ZS-11 PRO uses 69 high-carbon steel wires arranged in two counter-wound armor layers. The inner layer contains 34 steel wires, while the outer layer contains 35. This structure distributes concentrated loads throughout the cable body and provides a rated tensile strength of more than 18 tons.
The cable has a maximum outside diameter of approximately 26.5 mm. Its compact profile helps reduce resistance from coal blocks and coal powder. The modified wear-resistant outer jacket also reduces the effects of long-term friction and material flow.
Multipoint Digital Temperature Measurement
The ZS-11 PRO is a Multipoint Temperature Sensor Cable based on a two-wire, 1-Wire digital communication system. Temperature accuracy is not affected by the length of the signal cable, helping avoid the measurement drift commonly associated with long-distance analog transmission.
ZS-11 PRO Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | ZS-11 PRO |
| Recommended Application | Coal silos and industrial bulk material storage |
| Cable Length | 5–40 m |
| Measuring Points | 1–100 points per cable |
| Temperature Range | -40°C to +120°C |
| Temperature Accuracy | ±0.5°C |
| Supply Voltage | 3–5.5 VDC |
| Output Signal | Two-wire, 1-Wire digital signal |
| Maximum Cable Diameter | Approximately 26.5 mm |
| Tensile Strength | More than 18 tons |
| Armor Structure | 69 high-carbon steel wires, 35 + 34 counter-wound arrangement |
| Protection Rating | IP68 |
| Maximum Extension Distance | 500 m |
| Installation Method | Suspension or flange mounting |
| Sensor Conversion Time | Approximately 2 seconds per sensor |
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