Main uses:Evaluate the insulation performance of footwear:The sand bath can be used to characterize
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Email : info@qinsun-lab.com
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.
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.
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.
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.
| 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) |
Qinsun Instruments Co., LTD is a professional laboratory testing instrument manufacturer in China,Have been focusing on laboratory instrument R&D more than 30 years and have rich industry experience,Based on international testing standards,We are also the instrument supplier for BV SGS laboratory,We provide one-stop solutions for lab instruments,Free Training and Turn-Key Service,Products exported all over the world,Offer 36 month warranty and are a trustworthy partner.
Company Phone
+86-21-6420 0566
Working hours
Monday to Friday
Mobile phone:
13816217984
Email:
info@qinsun-lab.com
