3000 Series Test Tunnels
The 3000 series optical detector calibration tunnels are designed for calibrating optical smoke detectors and smoke alarms in production. They are based on the 1000 series tunnels with an additional 1m long calibration section fitted. The tunnels can be maintained at a constant aerosol concentration for calibration and are controlled by an optical scatter smoke sensor. The main section of the 3000 series tunnels is the same as the 1000 series, so can still be used for R&D and batch sensitivity testing as required.
• Integrated control electronics
• Ideally suited for calibration to EN54-7, EN54-29 and EN14604.
• Also used for calibration to UL standards.
• Can be used for QA testing to EN54-5
• Comprehensive technical support
• Enables manufacturers to comply with AVCP standards
• On-site commissioning, training and maintenance
The following variants are available in the 3000 series:
3100 optical smoke detector calibration test tunnel: This is an extended version of the 1100 smoke-only test tunnel, which includes a scatter sensor and calibration mounting trays.
3400 Optical Smoke Detector Calibration Test Tunnel with Heat QA Test Capability: This is to the same design as the 3100 tunnel, but also includes heaters and thermal insulation to enable QA testing of heat detectors at up to 20Kmin-1 from 25°C.
3800 Optical Smoke Detector Calibration Test Tunnel with Heat QA Test Capability and cooling: This is to the same design as the 3400 tunnel, but also includes cooling to increase the rate of heat detector testing.
The following additional options are available:
3000 Spare hatch with fixed mounting plate for up to 6 detectors (for 3100 test tunnel).
3001 Spare hatch with fixed mounting plate for up to 6 detectors (for 3400-3800 tunnels).
3002 Hatch with rotating detector mount for directional dependence testing, or for tests at a selected orientation (for 3100 test tunnel).
3003 Hatch with rotating detector mount for directional dependence testing, or for tests at a selected orientation (for 3400-3800 tunnels).
3004 Spare rotating detector mount (for use with 3002 or 3003).
3006 Airspeed meter (‘anemometer’) with analogue output integrated into the software.
The overall mechanical parameters are as follows
Overall size of tunnel: 3.10m long * 0.70m wide * 0.93m high.
Internal cross section of duct (3100): 450mm wide by 290mm high.
Internal cross section of duct (3400-3800): 420mm wide by 260mm high.
Extract via 150mm diameter flexible duct (requires a back draught shutter on exit).
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