The regulatory requirements in maritime and offshore applications are defined by the standards IEC for maritime navigation and radio communication. IACS Unified Interpretations were created with a view to the uniform The Implementation dates of the Unified Requirements (UR) and Unified Interpretations (UI) are shown in the “Implementation Date” column of the tables. UR E10, Rev. 年7月15日 IACS UR E10 – CCS 关于执行UR E10 (Rev.5)-型式认可试验规程要求的通知.

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Equipment is to be tested in its normal position if otherwise not specified in the test specification.

Relevant tests are as listed in the Table. Electrical and electronic equipment on board ships, required neither by classification iace nor by International Conventions, liable to cause eletromagnetic disturbance shall be of type which fulfill the test requirements of test specification items 19 and However, equivalent testing procedure may be accepted by the individual Society provided that the Unified Requirements stated in the other columns are fulfilled.

Damp heat IEC Publication test Db – measurement 1e0 insulation resistance before test; – equipment operating during the complete first cycle and switched off during second cycle except for functional test; – functional test during the first 2 hours of the first cycle at the test temperature and during the last 2 hours of the second cycle at the test temperature; – recovery at standard atmosphere conditions; – s10 resistance measurements and performance test.

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Sweep over a restricted frequency range between 0. Critical frequency is a frequency at which the equipment being tested may exhibit: For severe vibration conditions such as, e.

UR E – Electricity

More severe conditions may exist for example on exhaust manifolds of diesel engines especially for medium and high speed engines. The period of testing in each position should be sufficient to fully evaluate the behaviour of the equipment. Using the directions defined in a to d above, the equipment is to be rolled to an angle of The test in each direction is to be carried out for not less than 15 minutes. These inclination tests are normally not required for equipment with no moving parts.

Notes to Test No. Electrostatic discharge IEC Contact discharge: According to level 2 severity standard Single pulse time: Interval between each application: Test criteria based upon application.

Equipment to be mounted in consoles, housing etc.

IACS Unified Requirement and Unified Interpretation | ClassNK – English

Salt mist test is to be carried out for equipment installed in weather exposed areas. The EUT shall continue to operate as intended after the tests. No degradation of performance or loss of function is allowed as ir in the technical specification published by the manufacturer.

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During the test, degradation or loss of function or performance which is self recoverable is however allowed but no change of iacss operating state or stored data is allowed.

IACS UR E10_图文_百度文库

The Equipment Under Test shall continue to operate as intended during and after the test. No degradation of performance or loss of function is allowed as defined in relevant equipment standard iafs the technical specification published by the manufacturer.

For equipment installed on the bridge and deck zone, the test levels shall be increased to 10V rms for spot frequencies in accordance with IEC at 2, 3, 4, 6.