Shoe heat insulation testing machine -- sand bath/ Sand Bath Thermal Conductivity Tester / Shoe Heat Insulation Tester
Standard
- GB/T 20991: Determines thermal insulation of safety shoe soles under simulated hot surface exposure.
- EN ISO 20344: European standard for personal protective equipment (PPE) footwear thermal resistance testing.
Product Advantages
1. Accredited Thermal Performance Analysis
- Dual-Standard Compliance: Meets stringent Chinese and EU regulations for global market access.
- Traceable Calibration: NIST-traceable temperature verification with certificate.
2. Realistic Testing Conditions
- Granular Heat Transfer: Simulates contact with hot surfaces (e.g., asphalt, metal) via industrial-grade silica sand.
- Steel Ball Simulant: Replicates foot pressure distribution inside the shoe.
3. Safety-First Design
- Insulated Enclosure: Heat-resistant acrylic shield with interlock safety switches.
- Emergency Cooldown: Auto-shutoff at 60°C surface temperature.
4. Precision Control
- PID Temperature Regulation: ±0.5°C stability across 50–200°C range.
- Fast Response Probes: K-type thermocouples with 0.1°C resolution.
5. User-Centric Workflow
- Plug-and-Play Sensors: Pre-calibrated probes with color-coded connectors.
- Intuitive Interface: 4.3” TFT display with real-time temperature curves.
Product Features
- Sand Bath System:
- Heated Plate: 300mm × 300mm aluminum plate with 50mm silica sand layer.
- Uniform Heating: Embedded cartridge heaters with thermal diffusers.
- Temperature Control:
- PID controller with auto-tuning for rapid setpoint convergence.
- Over-temperature alarm with 5°C differential protection.
- Sensing Suite:
- 2 × K-type thermocouples for sand bath and shoe interior.
- 1.5m cable length for flexible probe placement.
- Safety Systems:
- Category II electrical safety certification (EN 60529).
- Residual current device (RCD) for operator protection.
- Software Bundle:
- ThermShoe Pro™: Auto-calculates thermal gradient (°C/min) and insulation index.
- Cloud PPE: Remote monitoring for global R&D teams.
Technical Parameters
| Specification | Details |
|---|---|
| Heat Plate Dimensions | 300mm (L) × 300mm (W) × 50mm (H) |
| Temperature Range | 50°C to 200°C (adjustable in 1°C increments) |
| Control Accuracy | ±0.5°C (±0.1°C with calibration kit) |
| Sand Layer Depth | 50mm (industrial silica sand included) |
| Steel Ball Load | 5kg total (100 × 50g balls, 316L stainless) |
| Power Supply | 220V/50Hz (110V/60Hz available) |
| Dimensions (W×D×H) | 400mm × 400mm × 600mm |
| Weight | 35 kg (net) |
Accessories & Options
- Standard Kit:
- 100 × 50g calibration steel balls (316L stainless).
- 2 × K-type thermocouples with color-coded connectors.
- Software Add-Ons:
- Batch Processor: Queue 24/7 unattended testing.
- API Integration: Connect to MATLAB/Python for custom analytics.
- Safety Upgrades:
- Explosion-proof enclosure for volatile environments.
- HEPA filtration for particle-sensitive labs.
- Calibration Services:
- Annual recalibration with NIST-traceable certificate.
- Consumables:
- 10L Replacement silica sand (high-purity, 0.5–1mm grain).
- 1L Thermal paste for sensor calibration.
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