Technical Specification


TRUNCATED CONICAL HEATER Element Heat flux


Heat Shield


5kW electrical heating element Up to 100kW/m2


Placed between the cone heater and specimen


SPECIMEN HOLDER AND WEIGHING DEVICE Specimen holder


Retainer edge frame Sample size


Sample thickness Balance sensitivity Load capacity


A square pan 106mm x 106mm at the top, and a height of 25mm, constructed from stainless steel


A stainless steel frame with inside dimension 111mm x 111mm, and opening of 94mm x 94mm.


100mm x 100mm Up to 50mm 0.01g


Up to 5.0kg


EXHAUST GAS SYSTEM WITH FLOW MEASURING INSTRUMENTATION Duct diameter


Nominal exhaust flow rate Orifice plate Sampling ring


Gas sampling apparatus Cold trap


IGNITION CIRCUIT Spark igniter


CALIBRATION BURNER Construction


114mm 24 l/s


Internal diameter 57mm located in chimney to measure duct flow 685mm from the hood, contains 12 small holes with a diameter of 2.2mm Incorporates a pump, soot filter, cold trap,moisture and CO2


when CO2 analyser is not fitted Operate at 0 – 4°C Spark gap of 3.0mm located 13mm above the centre of the specimen A tube with a 500mm2


INSTRUMENTATION FOR OXYGEN AND GAS ANALYSIS Oxygen analyser


Carbon dioxide (optional) Carbon monoxide (optional)


SMOKE DENSITY MEASUREMENT Light source Detector


square orifice covered with wire gauze


Paramagnetic type with a range of 0-25% Oxygen Non-dispersive infrared type with a range of 0-10% Non-dispersive infrared with a range of 0-1%


0.5mW Helium-Neon laser beam Silicon photodiode


DATA COLLECTION AND ANALYSIS SYSTEM Resolution


Recording time Storage


Up to 22 bits Up to 250 channels per second Raw data recorded for each test is stored and can be retrieved Due to the continuous development policy of FTT technical changes could be made without prior notice.


SERVICE REQUIREMENTS Electric Water


Exhaust Extraction Standard Gases Optional


230VAC, 30A, 50/60 Hz. Single Phase 250 kPa (35 psi) 250-500 l/s


Oxygen-free Nitrogen,Methane (UHP99.5%) CO 0.85%, CO2


8.5% removal traps


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