Product Details
Product Introduction:
The Self-Cooling Temperature Sensing Rod is a detector featuring active heat dissipation and temperature monitoring, designed for material piles with self-heating risks. It provides passive heat dissipation to slow internal temperature rise and prevent hot spot formation, while enabling real-time internal temperature monitoring with three-stage pre-alarm capability.
The BSP-TPM series is a portable, pointed tip design,passive, wireless, and intrinsically safe solution suitable for broad application across various bulk material storage scenarios prone to heat accumulation.
Product features:
● Passive Superconducting Cooling
A gravity-driven superthermal pipe using a water-based organic low-temperature phase-change medium as the detector immediately and autonomously dissipates heat to the outside when the temperature inside the material pile exceeds the ambient temperature by more than 1℃.
The dual-fin structure featuring longitudinal straight fins and spiral fins in both horizontal and vertical flow channels, treated with a special long-wave radiation heat dissipation coating, offers even more efficient heat dissipation.
● Power-free design
By employing semiconductor thermoelectric power generation technology, when the temperature difference exceeds 5℃, a microcurrent is generated and, after being processed by a PMIC, provides self-powering, enabling passive wireless operation with intrinsic safety.
● Wireless Networking Temperature Measurement
Using modern IoT wireless technology to build a network, it enables real-time monitoring of the actual temperature inside material piles and implements three-level pre-alarm alerts.
Technical specifications:
Parameter | BSP-TPM02 | BSP-TPM02i |
Product Type | Portable / Standard Version | Portable / Local Display Version |
Detector Type | Super Thermal Conduit | Super Thermal Conduit |
Detector Medium | Water-based Two-phase Medium | Water-based Two-phase Medium |
Detector Material | Stainless steel | Stainless steel |
Probe Diameter | Ø32mm | Ø32mm |
Probe Length | 2 meters | 2 meters |
Power Supply | Self-powered | Battery |
Temperature Sensor Category | NTC thermistor | NTC thermistor |
Temperature Measurement Range | -20~260 ℃ | -20~260 ℃ |
Temperature Measurement Accuracy | ±5℃ | ±5℃ |
Data Transmission / Display | NB-IoT | Display temperature on-site |
Ingress Protection | IP65 | IP65 |
Typical application
● Coal yards (fully enclosed / dry coal shed / open-air)
● Grain silos
● Biomass stockpiles
System Networking

● Temperature data is transmitted wirelessly and networked to enable data acquisition, analysis, and visualized monitoring.
●The data processing system includes a local server as standard—an independent data storage center dedicated to data warehousing and big data analytics for the coal pile self-cooling temperature control and early warning system. It provides users with data logging, statistical analysis, and query functions.
●An optional industrial-grade IoT cloud platform enables wireless remote access and monitoring, compatible with PCs, smartphones, tablets, and other terminal devices.
●Customizable alarm threshold settings, notification recipients, and delivery methods are available as an option.
●A reserved interface for linked alarm handling provides signal output for intelligent associative mitigation measures.
Keywords
BSP-TPM Self-Cooling Temperature Sensing Rod
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