After the test. the position of the device shall not be significantly different from its original position. 3. Test of heat and low-temperature resistance 3.1. The advance warning triangle, in its protective cover, if provided, shall be kept for 12 consecutive hours in a dry atmosphere at a temperature of 60 °C ± 2 °C. 3.2. After the test, no cracking or noticeable distortion of the device shall be visible; this applies in particular to the retro-reflective device. The cover shall be readily openable and shall not adhere to the triangle. 3.3. After the heat-resistance test and subsequent storage for 12 consecutive hours at a temperature of 25 °C ± 5 °C, the advance warning triangle, in its protective cover, is to be kept for another 12 hours in a dry atmosphere at a temperature of -40 °C ± 2 °C. 3.4. Immediately after removal from the cold room, no fractures or any visible distortion shall be noticeable on the device and especially on its optical parts. The protective cover, if provided, shall be properly openable, and it shall neither tear nor adhere to the advance warning triangle. 4. Determination of the roughness of the road surface "▇▇▇▇▇ beach" method
Appears in 2 contracts
Sources: Agreement Concerning the Adoption of Harmonized Technical United Nations Regulations for Wheeled Vehicles, Agreement Concerning the Adoption of Harmonized Technical United Nations Regulations for Wheeled Vehicles
After the test. the position of the device shall not be significantly different from its original position.
3. Test of heat and low-temperature resistance
3.1. The advance warning triangle, in its protective cover, if provided, shall be kept for 12 consecutive hours in a dry atmosphere at a temperature of 60 °C ± 2 °C.
3.2. After the test, no cracking or noticeable distortion of the device shall be visible; this applies in particular to the retro-reflective device. The cover shall be readily openable and shall not adhere to the triangle.
3.3. After the heat-resistance test and subsequent storage for 12 consecutive hours at a temperature of 25 °C ± 5 °C, the advance warning triangle, in its protective cover, is to be kept for another 12 hours in a dry atmosphere at a temperature of -40 °C ± 2 °C.
3.4. Immediately after removal from the cold room, no fractures or any visible distortion shall be noticeable on the device and especially on its optical parts. The protective cover, if provided, shall be properly openable, and it shall neither tear nor adhere to the advance warning triangle.
4. Determination of the roughness of the road surface "▇▇▇▇▇ sandy beach" method
Appears in 2 contracts
Sources: Agreement Concerning the Adoption of Harmonized Technical United Nations Regulations for Wheeled Vehicles, Agreement Concerning the Adoption of Harmonized Technical United Nations Regulations for Wheeled Vehicles