Building materials flammability tester instructions
1, structure and installation
l
,structure
The tester consists of a combustion test chamber, a burner, a test stand, a regulating valve and the like. Liquefied gas (propane) tanks are provided
2
,installation
According to Figure 1, the base is placed in the box, and the fixing sleeve, sample holder, etc. are installed as shown. Place the burner in front of the specimen. The burner rod is screwed from the outer casing of the casing to the burner base. Connect the propane meter to the liquefied gas tank, connect the regulating valve to the other end of the propane meter with a plastic tube, and connect the regulating valve to the burner with a pneumatic tube.
2, test operation
1
Use a suitable ignition positioner and place it on top of the burner.
2
Place the sample in the sample holder and hang it.
3
After the burner is close to the sample, the ruler on the bottom plate is locked and positioned.
4
Place the filter paper in a collection tray made of aluminum foil and place it under the test piece.
5
Raise the burner, open the pressure regulating valve knob, ignite the nozzle with an electronic igniter, and gradually adjust the flame length to
20mmLeft and right, tilt the burner
45Degree, the sample is ignited according to the distance required by the standard.
3, matters needing attention
1
Before the burner is ignited, the pneumatic regulating valve on the burner should be adjusted up, and then the pressure regulating valve knob is gradually adjusted. After ignition, the flame size can be adjusted by the pressure regulator knob, or it can be fine-tuned by the pneumatic adjustment valve.
2
Before ignition, the liquefied gas tank and the burner should be kept at a distance to ensure safety.
3
The smoke inside the box should be discharged outside through the exhaust hood.
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YESWITCH ELECTRONICS CO., LTD. , https://www.yeswitches.com