TS-PC111 Piezoelectric Coaxial Sensor Cable — PVDF Film Traffic WIM, Vibration & Perimeter Intrusion Sensing Cable
Sheathed coaxial polyvinylidene fluoride (PVDF) piezoelectric film sensor cable (Model TS-PC111, overall OD 2.60 ± 0.10 mm, sensing core OD 1.0 mm) engineered with a high-activity polarized PVDF copolymer dielectric layer (hydrostatic piezoelectric coefficient d33 of 18–22 pC/N, capacitance ≥ 1.0 nF/m, dissipation factor 0.16 at 1 kHz), low-resistance center copper conductor (≤ 31 Ω/km at 20 °C), tinned-copper (TC) braided EMI screen (≤ 47 Ω/km at 20 °C) and abrasion-resistant, flame-retardant polyethylene (PE) outer sheath for highway Weigh-In-Motion (WIM), perimeter security intrusion detection and structural vibration monitoring from -40 °C to +65 °C.
TS-PC111 is a self-generating coaxial polyvinylidene fluoride (PVDF) piezoelectric film sensor cable designed for continuous distributed mechanical stress, impact, vibration and acoustic wave detection across long sensing spans. Unlike point-type ceramic accelerometers that require external excitation power and discrete mounting brackets, TS-PC111 converts radial compressive force, bending strain or acoustic pressure directly into a proportional electrical charge or voltage between its 1.0 mm center conductor and concentric tinned-copper braided shield.
At the heart of the 2.60 ± 0.10 mm coaxial construction is a polarized PVDF piezoelectric polymer dielectric layer delivering a hydrostatic piezoelectric coefficient (d33) of 18–22 pC/N, a nominal linear capacitance of ≥ 1.0 nF/m and a dissipation factor of 0.16 at 1 kHz. The center stranded copper core (DC resistance ≤ 31 Ω/km at 20 °C) and high-coverage tinned-copper (TC) braided shield (DC resistance ≤ 47 Ω/km at 20 °C) preserve signal-to-noise ratio over extended runs while rejecting external 50/60 Hz electromagnetic interference.
Protected by a tough, abrasion-resistant and flame-retardant black polyethylene (PE) outer jacket rated for continuous service from -40 °C to +65 °C, TS-PC111 adapts to three primary signal-conditioning regimes: low-frequency heavy-impact voltage measurement (0.1–10 Hz across a 10 MΩ load), high-frequency micro-motion and acoustic amplification (10 Hz–10 kHz), and charge-amplifier quasi-static pressure switching (0.1–100 Hz). Its high flexibility and high mechanical strength allow direct embedding in highway WIM slot channels, security fences, pipelines and smart mattress pads.
Specify model TS-PC111, required continuous reel length, operating frequency mode and optional coaxial lead-out termination when requesting a quote. TEBAOFLEX supplies TS-PC111 piezoelectric coaxial sensor cable from a 50 m minimum order quantity with a standard production lead time of 7–45 working days.
Explore the industrial cable range for related configurations.
For adjacent low-noise coaxial measurement and industrial instrumentation cable specifications, compare these constructions: Triaxial Low-Noise Test & Measurement Cable (for guarded picoampere and charge-amplifier feeder interconnections); BS 5308 / PAS 5308 Part 1 Type 1 Instrumentation Cable (for screened multi-pair industrial process telemetry). Verify linear capacitance, piezoelectric d33 charge constant, and preamplifier input impedance before ordering.
Construction
The representative construction illustrates Model TS-PC111 Coaxial PVDF Piezoelectric Film Sensor Cable: a 1.0 mm stranded copper center sensing core, a concentric polarized PVDF piezoelectric film dielectric layer, a tinned-copper (TC) braided EMI shield and an abrasion-resistant, flame-retardant polyethylene (PE) outer sheath (nominal OD 2.60 ± 0.10 mm).
| Component | Material and construction |
|---|---|
| Center sensing conductor (inner electrode) | 1.0 mm diameter flexible stranded copper center core conductor functioning as the inner charge-collecting electrode, with maximum DC conductor resistance ≤ 31 Ω/km at 20 °C. |
| PVDF piezoelectric film sensor layer | Concentric helically wrapped / coaxial polarized polyvinylidene fluoride (PVDF) piezoelectric copolymer dielectric layer providing a hydrostatic piezoelectric coefficient (d33) of 18–22 pC/N, linear capacitance ≥ 1.0 nF/m and dissipation factor 0.16 at 1 kHz. |
| Braided EMI shield (outer electrode) | High-coverage tinned copper (TC) braided shield serving simultaneously as the outer return electrode and a 360° Faraday electromagnetic screen, with shield DC resistance ≤ 47 Ω/km at 20 °C. |
| Abrasion-resistant flame-retardant outer sheath | Extruded black abrasion-resistant, flame-retardant polyethylene (PE) protective outer jacket (overall diameter 2.60 ± 0.10 mm) protecting the sensor core against moisture, soil chemicals and mechanical wear from -40 °C to +65 °C. |
Applications
Deploy TS-PC111 piezoelectric coaxial sensor cable in embedded road-bed channels, fence lines, structural surfaces or flexible pad assemblies where mechanical stress, vibration or impact must be converted directly into a clean electrical signal.
- Intelligent transportation systems (ITS), highway Weigh-In-Motion (WIM) strip sensors, vehicle classification, speed measurement and heavy-truck axle counting.
- Perimeter security intrusion detection systems mounted on chain-link/palisade security fences or buried in shallow trenches along critical infrastructure boundaries.
- Non-destructive structural health monitoring (SHM), pipeline leak/third-party impact detection, wind-turbine blade fatigue sensing and machinery bearing vibration diagnostics.
- Smart healthcare bed vital-sign monitoring (ballistocardiography heart-rate, respiration and bed-exit sensing), meteorological rain/hail impact gauges and anti-pinch safety edge switches.
For high-frequency coaxial pulse and distributed highway or tunnel sensing networks, evaluate these companion cables: 20–60 kV High-Voltage Coaxial Pulse & Instrumentation Cable (for shielded high-voltage pulse and diagnostic signal transmission); Mine & Tunnel Leaky Feeder Radiating Coaxial Cable (for continuous tunnel and roadside RF backbone communication). Confirm road-bed slot dimensions, operating temperature range, and coaxial connector termination before ordering.
Specifications
| Parameter | Value |
|---|---|
| Model designation & sensor type | TS-PC111 — Sheathed coaxial PVDF piezoelectric film sensor cable |
| Overall outer diameter & core diameter | 2.60 ± 0.10 mm overall sheath OD; 1.0 mm center sensing core OD |
| Hydrostatic piezoelectric coefficient (d33) | 18–22 pC/N (polarized PVDF piezoelectric film dielectric) |
| Nominal linear capacitance & dissipation | ≥ 1.0 nF/m; dissipation factor (tan δ) 0.16 at 1 kHz |
| Conductor & shield DC resistance at 20 °C | Center core ≤ 31 Ω/km at 20 °C; tinned-copper (TC) braid shield ≤ 47 Ω/km at 20 °C |
| Shield & outer sheath materials | Tinned copper (TC) braided EMI screen; abrasion-resistant, flame-retardant polyethylene (PE) sheath |
| Typical sensing frequency bands | 0.1–10 Hz (heavy impact / WIM); 10 Hz–10 kHz (micro-motion / acoustic); 0.1–100 Hz (pressure switch) |
| Operating temperature range | -40 °C to +65 °C continuous operating temperature |
| Commercial supply terms | Minimum order quantity 50 m; standard production lead time 7–45 working days |
| Parameter | Symbol / Condition | Unit | TS-PC111 Typical Value | Engineering Function & Notes |
|---|---|---|---|---|
| Product Model | Sheathed Coaxial Piezo Cable | — | TS-PC111 | Continuous distributed pressure, impact & vibration sensing |
| Overall Sheath Outer Diameter | Nominal Jacket OD | mm | 2.60 ± 0.10 | Compact profile for WIM slot channels, fences & pads |
| Center Sensing Core Diameter | Inner Electrode OD | mm | 1.0 | Flexible stranded copper center charge-collecting core |
| Nominal Linear Capacitance | C @ 1 kHz, 20 °C | nF/m | ≥ 1.0 | High intrinsic capacitance for low-frequency RC coupling |
| Hydrostatic Piezoelectric Coefficient | d33 (Polarized PVDF Film) | pC/N | 18–22 | Generated charge per unit mechanical force applied |
| Outer Braid Shield DC Resistance | DCR @ 20 °C | Ω/km | ≤ 47 | Low-impedance return path and 360° EMI Faraday screen |
| Center Conductor DC Resistance | DCR @ 20 °C | Ω/km | ≤ 31 | Minimal signal attenuation over long coaxial sensor spans |
| Dielectric Dissipation Factor | tan δ @ 1 kHz | — | 0.16 | Low dielectric loss across acoustic & vibration bands |
| Braided Shield Material | Outer Screen | — | TC (Tinned Copper) | Corrosion-resistant woven tinned-copper wire braid |
| Outer Sheath Compound | Protective Jacket | — | PE (Polyethylene) | Abrasion-resistant, flame-retardant black PE sheath |
| Operating Temperature Range | Continuous Service | °C | -40 to +65 | Stable piezoelectric output in outdoor & industrial climates |
| Application Mode | Target Signal Frequency Band | Recommended Frontend Topology | Reference Circuit Parameters | Typical Field Applications |
|---|---|---|---|---|
| Heavy Impact & Axle Load Monitoring | 0.1 Hz – 10 Hz (Low-Frequency Pulse) | High-Impedance Passive Voltage Mode | Shunt load resistor R1 = 10 MΩ across center core and TC shield | Highway Weigh-In-Motion (WIM), truck axle counting, drop-weight impact tests |
| Micro-Motion & Vibration Monitoring | 10 Hz – 10 kHz (High-Frequency Dynamic) | Non-Inverting Op-Amp Voltage Amplifier | Input bias R = 10 MΩ; feedback R1 = 10 kΩ, R2 = 100 kΩ (Gain Av = 11×) | Patient bed vital-sign monitoring, bearing vibration, rain/hail impact, acoustic pickup |
| Pressure Switch & Intrusion Alarm | 0.1 Hz – 100 Hz (Quasi-Static / Step) | Charge Amplifier (Capacitive Integrator) | Vo = ΔQ / Cf; low-frequency cutoff fc = 1 / (2π · Cf · Rf) | Perimeter security fence & buried intrusion alarms, anti-pinch door/bumper safety edges |
| Long-Distance Multi-Zone Array | 1 Hz – 5 kHz (Shielded Feeder Link) | Differential Charge / IEPE Line Driver | TS-PC111 sensor spliced to low-noise coaxial lead-in cable in IP68 box | Pipeline third-party impact monitoring, bridge stay-cable & rail track axle counters |
Because PVDF piezoelectric film is a dynamic charge-generating dielectric (Q = d33 × F), TS-PC111 responds to time-varying mechanical stress (dF/dt) rather than static dead-weight load; low-frequency response down to 0.1 Hz is governed by the input RC time constant of the readout preamplifier.
For long outdoor highway WIM or perimeter fence runs, splice the TS-PC111 active sensor cable to a low-noise passive coaxial or triaxial feeder cable inside a sealed IP68 junction box before routing to the charge/voltage preamplifier.
Custom cut lengths, factory-terminated BNC/SMA/TNC coaxial connectors and encapsulated waterproof end-caps can be supplied to match customer acquisition hardware.
Standards
| Standard or specification | Application |
|---|---|
| IEC 61196-1 | Coaxial communication and sensing cable electrical test methods for capacitance, conductor resistance, shield resistance and dielectric dissipation factor. |
| IEEE Std 176 | IEEE Standard on Piezoelectricity — definitions and measurement reference for hydrostatic piezoelectric charge constant (d33) and electromechanical coupling. |
| ASTM E1316 / OIML R 134 (application reference) | Non-destructive acoustic/vibration monitoring and automatic road vehicle Weigh-In-Motion (WIM) axle sensor application guidelines. |
| IEC 60228 & IEC 60811 | Conductor DC resistance verification at 20 °C and mechanical/thermal testing of polyethylene (PE) protective sheathing compounds. |
IEC 61196 & IEC 60228 Coaxial Cable Standards at IEC Webstore
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