LBT-ZF-622 Thermal Protection Performance Tester
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Description
Product Introduction:
This instrument is suitable for testing the thermal insulation performance of flame‑retardant protective clothing fabrics when exposed to radiant and convective heat sources. A heat source is placed on one side of the test specimen, while a copper calorimeter is positioned on the opposite side. The test is initiated by sliding the specimen holder into position; when the sensor reading reaches the threshold corresponding to the human body’s tolerance for second‑degree burns (a sensor temperature increase of 35°C to 40°C), the specimen holder is removed from above the heat source. The time required to produce a second‑degree burn is determined by reading the intersection point of the response curve and the human tissue tolerance curve, with accuracy to 0.1 second.
Reference standard:
GB 8965.1-2009 “Protective Clothing — Flame‑Retardant Protection — Part 1: Flame‑Retardant Clothing”
Technical Specifications:
| Parameter Category | Parameter content |
| Control method | Computer-controlled; test results support print output. |
| Ignition method | Electronic pulse automatic ignition |
| Heat source heat flux | 50 kW/m² ~ 100 kW/m² (adjustable) |
| Heat source accuracy | ±2% |
| Calorimeter measurement range | 0°C ~ 1600°C (accuracy ±0.5°C) |
| Specimen dimensions | 150 mm × 150 mm |
| Power Supply Specifications | AC 220V 50Hz 4kW |
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LBT-ZF-622 Thermal Protection Performance Tester