The TST-SDJPI-DYT 600V series Polyimide (PI) low-noise sensor cable is specifically engineered for liquid nitrogen temperature (77K) applications. Through core technological breakthroughs, it resolves industry pain points—such as low-temperature embrittlement, signal distortion, and poor interference resistance—offering a highly reliable solution for precision sensing and measurement in extreme environments.
Four Key Advantages Addressing Critical Pain Points
- High-Fidelity Signals at Cryogenic Temperatures
Eliminating measurement errors
Operating temperature range: -196°C to +260°C; stable long-term operation in liquid nitrogen environments with zero performance drift.
Ultra-low noise: <5μV/m (@1Hz–1kHz, -196°C)—far below industry standards—preventing signal interference and distortion in cryogenic environments; suitable for transmitting high-precision vibration, pressure, and temperature sensor signals.
Electrical safety: Withstands 2000V/5min withstand-voltage testing without breakdown; insulation resistance ≥500MΩ·km, ensuring electrical safety during long-term operation.
- PI Insulation Material
Solving the core challenge of low-temperature embrittlement
Utilizes an extrusion process rather than traditional tape-wrapping, fundamentally solving issues regarding insulation layer embrittlement and breakage at low temperatures.
Cryogenic testing: Long-term testing in a -196°C liquid nitrogen environment shows no cracking or aging in the insulation and sheath, maintaining stable structural integrity.
Material properties: PI insulation offers a wide temperature tolerance, chemical corrosion resistance, and low outgassing, making it suitable for LNG media and high-cleanliness applications.
- Lightweight & Small Bending Radius
Adapting to complex routing requirements
Lightweight design: Approximately 20% lighter than traditional cables of equivalent performance; ideal for weight-sensitive equipment scenarios, reducing system load.
Flexible installation: Minimum bending radius of only 6× the cable outer diameter (D), allowing for convenient routing in confined spaces and complex piping layouts. 4. High Mechanical Strength
Fatigue and Wear Resistance
Scratch and Abrasion Resistance: Withstands over 20,000 abrasion cycles; maintains stable performance under conditions involving frequent bending and friction.
Fatigue and Vibration Resistance: Exhibits excellent mechanical strength; ensures long-term operation without breakage or performance degradation, even in high-vibration environments associated with cryogenic equipment.
Target Application Scenarios
LNG Full Industry Chain: Signal transmission for liquid level, pressure, and temperature sensors in LNG storage tanks and refueling stations; internal wiring for submerged motors and pump control systems in LNG carriers and tanker trucks.
Superconductivity and Cryogenic Physics: Signal transmission for superconducting systems; precision measurement at 77K on cryogenic experimental platforms; sensor wiring for cryogenic conditions in quantum research.
Aerospace: Cryogenic sensor wiring for space exploration equipment; signal connections for airborne precision instruments.
High-End Precision Metrology: Signal transmission links for precision metrology instruments and vibration monitoring equipment operating in extreme environments.
The TST cable TST-SDJPI-DYT 600V series PI low-noise sensor cable addresses critical challenges in sensing and measurement within extreme cryogenic environments by offering four core advantages: resistance to embrittlement at low temperatures, low signal noise, lightweight installation, and long-term high stability. Designed specifically for the LNG industry chain, superconducting research, and aerospace engineering, this cable effectively reduces system failure rates, enhances measurement accuracy, and extends equipment service life, making it the preferred choice for precision sensing and measurement in extreme environments.
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