27m³ Computer Controlled Smoke Density Test Chamber for Wire and Cable IEC 61034 Compliance
Professional 27 cubic meter smoke density test chamber designed for wire, cable, and optical cable testing. Features computer-controlled optical measurement system, SUS 304 stainless steel construction with Teflon coating, and compliance with IEC 61034, BS 6853, and GB/T17651 standards. Ideal for manufacturers and testing laboratories requiring precise smoke transmittance measurements.
This 27 cubic meter smoke density test chamber is designed for evaluating smoke generation performance of wires, cables, and optical cables according to international testing standards. The system measures optical transmittance changes caused by smoke obstruction during combustion testing.
- BS 6853 Appendix D
- GB/T 17651-1&2:1998
- IEC 61034-1&2: 2005
The optical measurement system consists of a light source, silicon photocell, light source receiver, and computer system. Light passes through the 3m×3m×3m chamber, forming a uniform 1.5m±0.1m diameter beam. Smoke generated during cable combustion absorbs photoelectricity, weakening beam intensity and enabling transmittance calculation.
- Closed test chamber with 27m³ volume
- Photometer measurement system
- Combustion system with alcohol tray
- Remote ignition system for operator safety
- Cable bracket and temperature measuring instrument
- Smoke density test software with microcontroller
| Component | Specifications |
|---|---|
| Test Chamber | 3000mm × 3000mm × 3000mm internal dimensions; SUS 304 stainless steel interior with dark Teflon coating; observation window and ventilation system |
| Measurement System | Desktop fan for smoke stirring; centrifugal smoke removal fan; remote ignition; imported light source with constant current control; silicon photocells with cosine calibration |
| Optical Parameters | Constant current source control; 0.01% accuracy; matching error f1≤4%; overall linear accuracy 1% |
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