Endurance test Clause Samples
Endurance test. 6.4.1. The audible warning device, audible warning system, multiple audible warning system shall be supplied with current at the rated voltage and with the connecting lead resistances specified in paragraphs 6.3.4. to 6.3.6. above, and operated respectively: 10,000 times for audible warning device, audible warning system, multiple audible warning system intended principally for vehicles of categories L3 to L5 with a power less than or equal to 7 kW. 50,000 times for audible warning device, audible warning system, multiple audible warning system intended principally for vehicles of categories M, N and L3 to L5 with a power greater than 7 kW, each time for one second followed by an interval of 4 s. During the test, the audible warning device, audible warning system, multiple audible warning system shall be ventilated by an air current having a speed of approximately 10 m/s and the electro-pneumatic audible warning device, audible warning system, multiple audible warning system may be lubricated with the oil recommended by the manufacturer after every 10,000 times of operation.
6.4.2. If the test is made in an anechoic chamber, the chamber shall be large enough to ensure normal dispersal of the heat released by the audible warning device, audible warning system, multiple audible warning system during the test.
6.4.3. The ambient temperature in the testing room shall be between +15 and +30 ºC inclusively.
6.4.4. If, after the audible warning device, audible warning system, multiple audible warning system has been operated for half the number of times prescribed, the sound-level characteristics are no longer the same as before the test, the audible warning device, audible warning system, multiple audible warning system may be adjusted. After being operated the prescribed number of times, and after further adjustment if necessary, the audible warning device, audible warning system, multiple audible warning system must pass the test described in paragraph 6.3. above.
Endurance test. The gas tube and its coupling(s) shall be tested for an endurance test consisting out of 100,000 cycles. One cycle consist out of pressure ramp from 15 per cent·WP up to WP. After the endurance test, the gas tube and its coupling(s) need to comply with the leakage test of Annex 16, paragraphs 5., 6. and 7 and with the overpressure test according to Annex 16, paragraph 4.
Endurance test. Either The audible reverse warning device(s) fitted on the vehicle has been of a type approved under this Part I of this Regulation or The audible reverse warning device(s) fitted on the vehicle, which has not been of a type approved under Part I of this Regulation, has (have) to fulfil the "Endurance test" of paragraph 6.5. except 6.5.6. and 6.6. of this Regulation. After this test the audible reverse warning device(s) shall pass the test according to Part II of this regulation.
Endurance test. 6.5.1. The audible reverse warning device shall be supplied with current at the rated voltage and with the connecting lead resistances specified in paragraphs 6.3.4. to 6.3.6. above.
6.5.2. If the test is made in an anechoic chamber, the chamber shall be large enough to ensure normal dispersal of the heat released by the audible reverse warning device during the test.
6.5.3. Temperature endurance tests in series to be made on one and the same device as described below:
6.5.3.1. put the device at 70℃ in the temperature conditioning chamber (test chamber) for one hour;
6.5.3.2. put the device at -30℃ in the test chamber for one hour;
6.5.3.3. put the device under operation at 50℃ in the test chamber for one hour;
6.5.3.4. put the device under operation at -20℃ in the test chamber for one hour;
Endurance test. 6.5.1. The audible reverse warning device shall be supplied with current at the rated voltage and with the connecting lead resistances specified in paragraphs 6.3.4. to 6.3.6. above.
6.5.2. If the test is made in an anechoic chamber, the chamber shall be large enough to ensure normal dispersal of the heat released by the audible reverse warning device during the test.
6.5.3. Temperature endurance tests in series to be made on one and the same device as described below:
6.5.3.1. put the device at 70℃ in the temperature conditioning chamber (test chamber) for one hour;
6.5.3.2. put the device at -30℃ in the test chamber for one hour;
6.5.3.3. put the device under operation at 50℃ in the test chamber for one hour;
6.5.3.4. put the device under operation at -20℃ in the test chamber for one hour;
6.5.4. Durability test 50 hours operation continuously at 25℃ ± 11℃
6.5.5. Vibration endurance test Cycles: 2000 cycles per minute ± 10% Amplitude: 2 mm ± 10% Directions: x, y, z three directions for each 30 minutes Temperature: 25℃ ± 11℃.
6.5.6. Put the device under operation at 25℃ ± 11℃ after the complete procedure in accordance with paragraphs 6.5.3. to 6.5.5. and check the acoustic performance in accordance with 6.3. and 6.4.
Endurance test. 9.1. A filling unit or service valve shall be capable of conforming to the applicable leakage test requirements of paragraphs 5. and 8. above, after being subjected to a number of cycles of opening and closing as mentioned in the annexes to this Regulation.
9.2. A shut-off valve is to be tested with the valve outlet plugged. The valve body filled with n-hexane, and the valve inlet subjected to a pressure of 3,000 kPa or of WP in accordance with the classification pressure of the valve.
9.3. An endurance test is to be conducted at a rate not faster than 10 times per minute. For a shut-off valve, the closing torque is to be consistent with the size of handwheel, wrench, or other means employed to operate the valve.
9.4. The appropriate tests for external and seat leakage, as described under external leakage test under paragraph 5. above and seat leakage test under paragraph 8. are to be conducted immediately following the endurance test.
9.5. Endurance for 80 per cent stop valve
Endurance test. 6.3.1. The warning device shall be supplied with current at the rated voltage and with the connecting lead resistances specified in paragraphs 6.2.3. to 6.2.5. above, and operated 50,000 times, each time for one second followed by an interval of four seconds. During the test, the device shall be ventilated by an air current having a speed of approximately 10 m/sec.
6.3.2. If the test is made in an anechoic chamber, the chamber shall be large enough to ensure normal dispersal of the heat released by the warning device during the test.
6.3.3. The ambient temperature in the testing room shall be between +15 and +30/C.
6.3.4. If, after the device has been operated 25,O00 times, the sound-level characteristics are no longer the same as before the test, the device may be adjusted. After being operated 50,000 times, and after further adjustment if necessary, the warning device must pass the test described in paragraph 6.2. above.
6.3.5. For warning devices of the electro-pneumatic type, the device may be lubricated with the oil recommended by the manufacturer after every 10,000 times of operation.