The whole instrument consists of a closed test chamber, a photometer measurement system, a radiation cone, a combustion system, an igniter, a test box, a bracket, a temperature measuring instrument and a smoke density test software; the circuit is developed by a single-chip microcomputer, with high technical content and stable performance. This instrument is suitable for all solid materials, such as foam, rubber, textile coverings, painted surfaces, wood and other materials, and is widely used by production plants in the foam industry, solid material industries, and scientific research and testing units.
MAIN TECHNICAL INDICATORS AND WORKING CONDITIONS:
Inner Box Size
0-924 Six-speed automatic shift
When the instrument is running, it should avoid direct sunlight and no forced air flow.
It operates on the WINDOWS XP interface, and the
main data that can be tested include smoke optical density, specific optical density, mass optical density, mass loss, mass loss rate, average smoke density, etc. It also has operation interfaces such as calibration, editing, testing, and parameter adjustment.
Lab VIEW style.
Displays the transmittance versus time curve.
Light Source Color Temperature
Speed Of Light Diameter 51mm
The computer automatically records the specific optical density according to the light change.
Amplifying filter, optical density 2.0; calibration filter, optical density 3.0; compensation filter, optical density 0.5, 3 pieces in total.
There is a ring heater in the lower aperture, so that the temperature on the light window is 50 。C-55 。C,
which can minimize the smoke concentration on the surface.
Temperature control range: 0- 1000 。C, thermocouple temperature measurement, equipped with automatic cold junction compensation.
Heat Flow Radiometer
The heat flow meter signal is collected and calculated by computer, equipped with water cooling pipeline.
With a power of 500W, the internal temperature of the test chamber can be stabilized at 40 。C±10 。C or
55 。C±10 。C.
Test Sample Weight Change
The balance weighs 2000g, the weighing accuracy is 0.1g, and the height of the weighing support rod is adjustable.
For propane with a purity of more than 95%, the minimum pressure is 3.5kPa±kPa.
Computer automatic control, acquisition, recording and settlement of results
220V, 50Hz, 4KW
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