Shanghai Chengwei Smoke Density Tester

Touch screen computer dual control building material smoke density tester according to national standardsGB/T8627-2007Developed according to the technical conditions specified in the "Test Method for Smoke Density during Combustion or Decomposition of Building Materials", it is applicable to the determination of static smoke production during combustion of building materials, their products, and other materials.

Meet the standardsGB/T8627-2007Test method for smoke density during combustion or decomposition of building materials

Meet the standardsGB/T8627 ASTM D2843

Features

1. Dual control mode, can be controlled on the touch screen or operated on the computer, and the operation mode can be switched freely!

2. One device can be operated by multiple computers simultaneously, multiple computers can be online at the same time, and LAN sharing can be achieved!

3. The main and auxiliary burners can rotate automatically with accurate positioning.

4. Independently develop control programs that can meet various operations, recording, real-time curves, and result calculations in experiments

Technical Specifications

1. For the high smoke density of the specimen( MSD )And smoke density grade( SDR )：0-100%Continuously measurable, automatically calculated;

2. Correct the error with standard filter film not exceeding3% ;Each device is equipped with three standard filters, which are representative of the data calibrated by the light source

3. The work pressure of Bunsei Lamp( 210±5 ) KPa ;

4. Apply flame to the sample using the Bunsei lamp4min ;

5. Combustion lamp: a native lamp, length260mm, nozzle diameter0.13mm, together with the cigarette box45° angle;

6. Optoelectronic system: light source is a bulb, power15W, working voltage6V;

7. Exhaust system: This machine is equipped with a powerful exhaust fan, which can discharge exhaust gas outdoors after testing;

8. Smoke density measurement range:0~100%;

9. Accuracy of smoke density measurement: ±3%;

10. Receiver: It is a silicon photovoltaic cell with high transmittance0For no light passing through, transmittance100%The light passes through completely without obstruction;

11. Main burner working pressure:276KPaadjustable);

12. Automatic timing, automatic ignition, automatic smoke exhaust;Luminous flux can be linearly calibrated in stages according to test data

more accurate;

13. Touch screen display:

a.Size:5Inch effective display size length11cmwide6.28cm;

b.Resolution:800*480

c.communication interfaceRS232The3.3V CMOSorTTLSerial port mode

d.Storage capacity:1G

e.Using pure hardwareFPGADrive display, "zero" start time, can run immediately upon power on

f.adoptM3+FPGAframework,M3Responsible for instruction parsing,FPGAfocusTFTDisplay, speed, and reliability are all leadingxianSimilar schemes

g.The main controller adopts low-energy processors and automatically enters energy-saving mode

14. Gas source:95%Bingquan gas, or gas of equivalent purity(customer-supplied);

15. long*wide*tall740 *500*tall900(mm)

working conditions ：

1.Ambient temperature0℃-40℃;

2.Relative humidity: ≤85%

3.Supply voltage and power:220V±10%The50HZThe100W;

4.Gas pressure:0-0.3MPa(adjustable);

5.Environmental and testing requirements: The instrument should avoid direct exposure or reflection of strong light during operation;Experiment conducted90minAfterwards, the gas source should be turned off to cool down the instrument15min.

6.Environmental airflow: There is no forced air flow during operation;

7.The instrument should be tested in a fume hood;