Common use of Dust exposure test Clause in Contracts

Dust exposure test. This test evaluates the ability of the sample device to resist dust penetration which could significantly affect the photometric output of the retro-reflector. 1.2.2.1. Dust exposure test equipment The following equipment shall be used to test for dust exposure: 1.2.2.1.1. Dust exposure test chamber The interior of the test chamber shall be cubical in shape in size 0.9 to 1.5 m per side. The bottom may be "xxxxxx shaped" to aid in collecting the dust. The internal chamber volume, not including a "xxxxxx shaped" bottom shall be 2 m3 maximum and shall be charged with 3 to 5 kg of the test dust. The chamber shall have the capability of agitating the test dust by means of compressed air or blower fans in such a way that the dust is diffused throughout the chamber. 1.2.2.1.2. The dust The test dust used shall be fine powdered cement in accordance with standard ASTM C 150-84.* 1.2.2.2. Dust exposure test procedure A sample device, mounted on a test fixture, with the initial CIL measured and recorded, shall be exposed to dust as follows:

Dust exposure test. This test evaluates the ability of the sample device to resist dust penetration which could significantly affect the photometric output of the retro-reflector. 1.2.2.12.3.1. Dust exposure test equipment The following equipment shall be used to test for dust exposure: 1.2.2.1.12.3.2. Dust exposure test chamber The interior of the test chamber shall be cubical in shape in size 0.9 to 1.5 m per side. The bottom may be "xxxxxx shaped" to aid in collecting the dust. The internal chamber volume, not including a "xxxxxx shaped" bottom shall be 2 m3 maximum and shall be charged with 3 to 5 kg of the test dust. The chamber shall have the capability of agitating the test dust by means of compressed air or blower fans in such a way that the dust is diffused throughout the chamber. 1.2.2.1.22.3.3. The dust The test dust used shall be fine powdered cement in accordance with standard ASTM C 150-84.* 1.2.2.22.3.4. Dust exposure test procedure A sample device, mounted on a test fixture, with the initial CIL measured and recorded, shall be exposed to dust as follows:

Dust exposure test. This test evaluates the ability of the sample device to resist dust penetration which could significantly affect the photometric output of the retro-reflector. 1.2.2.12.3.1. Dust exposure test equipment The following equipment shall be used to test for dust exposure: 1.2.2.1.12.3.2. Dust exposure test chamber The interior of the test chamber shall be cubical in shape in size 0.9 to 1.5 m per side. The bottom may be "xxxxxx hopper shaped" to aid in collecting xxxxxcting the dust. The internal chamber volume, not including a "xxxxxx hopper shaped" bottom shall be shxxx xx 2 m3 maximum and shall be charged with 3 to 5 kg of the test dust. The chamber shall have the capability of agitating the test dust by means of compressed air or blower fans in such a way that the dust is diffused throughout the chamber. 1.2.2.1.22.3.3. The dust The test dust used shall be fine powdered cement in accordance with standard ASTM C 150-84.* 1.2.2.22.3.4. Dust exposure test procedure * American Society for Testing and Materials A sample device, mounted on a test fixture, with the initial CIL RI measured and recorded, shall be exposed to dust as follows:

Dust exposure test. This test evaluates the ability of the sample device to resist dust penetration which could significantly significant ly affect the photometric output of the retro-reflector. 1.2.2.1. Dust exposure test equipment The following equipment shall be used to test for dust exposure: 1.2.2.1.1. Dust exposure test chamber The interior of the test chamber shall be cubical in shape in size 0.9 to 1.5 m per side. The bottom may be "xxxxxx shaped" to aid in collecting the dust. The internal chamber volume, not including a "xxxxxx shaped" bottom shall be 2 m3 maximum and shall be charged with 3 to 5 kg of the test dust. The chamber shall have the capability of agitating the test dust by means of compressed air or blower fans in such a way that the dust is diffused throughout the chamber. 1.2.2.1.2. The dust The test dust used shall be fine powdered cement in accordance with standard ASTM C 150-84.. */ 1.2.2.2. Dust exposure test procedure A sample device, mounted on a test fixture, with the initial CIL measured and recorded, shall be exposed to dust as follows:

Dust exposure test. This test evaluates the ability of the sample device to resist dust penetration which could significantly affect the photometric output of the retro-reflector. 1.2.2.1. Dust exposure test equipment The following equipment shall be used to test for dust exposure: 1.2.2.1.1. Dust exposure test chamber The interior of the test chamber shall be cubical in shape in size 0.9 to 1.5 m per side. The bottom may be "xxxxxx shaped" to aid in collecting the dust. The internal chamber volume, not including a "xxxxxx shaped" bottom shall be 2 m3 maximum and shall be charged with 3 to 5 kg of the test dust. The chamber shall have the capability of agitating the test dust by means of compressed air or blower fans in such a way that the dust is diffused throughout the chamber. 1.2.2.1.2. The dust The test dust used shall be fine powdered cement in accordance with standard ASTM C 150-84.. */ 1.2.2.2. Dust exposure test procedure A sample device, mounted on a test fixture, with the initial CIL measured and recorded, shall be exposed to dust as follows:

Dust exposure test. This test evaluates the ability of the sample device to resist dust penetration which could significantly affect the photometric output of the retro-reflector. 1.2.2.12.3.1. Dust exposure test equipment The following equipment shall be used to test for dust exposure: 1.2.2.1.12.3.2. Dust exposure test chamber The interior of the test chamber shall be cubical in shape in size 0.9 to 1.5 m per side. The bottom may be "xxxxxx shaped" to aid in collecting the dust. The internal chamber volume, not including a "xxxxxx shaped" bottom shall be 2 m3 maximum and shall be charged with 3 to 5 kg of the test dust. The chamber shall have the capability of agitating the test dust by means of compressed air or blower fans in such a way that the dust is diffused throughout the chamber. 1.2.2.1.22.3.3. The dust The test dust used shall be fine powdered cement in accordance with standard ASTM C 150-84.* 1.2.2.22.3.4. Dust exposure test procedure A sample device, mounted on a test fixture, with the initial CIL RI measured and recorded, shall be exposed to dust as follows: