KingPo Technology Development Limited
IEC Testing Equipment
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| Clause |
| 1.1 Main control unit |
| 1.1.1 One (1) unit of main control unit shall be provided. |
| 1.1.2 The equipment shall be made using waterproof material. |
| 1.1.3 The equipment shall compose; |
| 1.1.3.1 Start and stop buttons. |
| 1.1.3.2 Timer for test duration. Time: 1 – 60 minutes. |
| 1.1.3.3 Knob for oscillation speed. |
| 1.1.3.4 Switch for turning water on/off. |
| 1.1.3.5 Supply voltage: three phase 220VAC 50Hz 2KW,customizable |
| 1.1.3.6 Current operated earth leakage circuit breaker of sensitivity 30 mA for protection from |
| electrical hazard. |
| 1.1.3.7 After the operating time, that had been set on the timer, runs out the tube returns to vertical |
| position, apparatus is switched off, and the water is shut off. |
| 1.1.3.8 Start and stop buttons for turntable. |
| 1.2 Water supply unit |
| 1.2.1 One (1) unit of water supply system unit shall be provided. |
| 1.2.2 Water flow meter. Mean flow rate per hole: 0.07 L/Min. |
| 1.2.2.1 Flow rate of R200: 0.56 L/Min for IPX3 and 0.84 L/Min for IPX4 |
| 1.2.2.2 Flow rate of R400: 1.1 L/Min for IPX3 and 1.8 L/Min for IPX4 |
| 1.2.2.3 Flow rate of R600: 1.8 L/Min for IPX3 and 2.6 L/Min for IPX4 |
| 1.2.2.4 Flow rate of R1000: 2.9 L/Min for IPX3 and 4.3 L/Min for IPX4 |
| 1.2.3 Electromagnetic valve that is controlled by control unit. |
| 1.2.4 Water filter. |
| 1.2.5 Manual valve for water flow controlling. |
| 1.3 Angle control unit |
| 1.3.1 One (1) unit of angle control unit shall be provided. |
| 1.3.2 The equipment is designed that it is possible to conduct symmetric and asymmetric oscillations |
| with steplessly adjustable both end positions and stop position. |
| 1.3.3 Equipped with scale (± 0 ~ 180 deg) with three limit sensors and pointer. Interval of 10 degree |
| per scale. |
| 1.4 Oscillating tube |
| 1.4.1 The equipment shall be made using stainless steel material. Grade 304. |
| 1.4.2 Four (4) unit of oscillating tube shall be provided as follows; |
| 1.4.2.1 One (1) oscillating tube with radius of R200 mm. |
| 1.4.2.2 One (1) oscillating tube with radius of R400 mm. |
| 1.4.2.3 One (1) oscillating tube with radius of R600 mm. |
| 1.4.2.4 One (1) oscillating tube with radius of R1000 mm. |
| 1.4.3 All oscillating tube pipes shall have minimum internal diameter of 15 mm. |
| 1.4.4 All oscillating tube holes shall have internal diameter of 0.4 mm and each hole shall have |
| distance of 50 mm. No of oscillating tube holes shall be accordance to Table 9 of standard IEC 60529 |
| 1.4.5 The oscillating tube for IPX3 shall meet the following; |
| 1.4.5.1 Oscillate through an angle of 120°, 60° on either side of the vertical. |
| 1.4.5.2 The time for one complete oscillation (2 × 120°) being about 4 s. |
| 1.4.6 The oscillation tube for IPX4 shall meet the following; |
| 1.4.6.1 Oscillate through an angle of almost 360°, 180° on either side of the vertical, |
| 1.4.6.2 The time for one complete oscillation (2 × 360°) being about 12 s. |
| 1.5 Turn table with grid shaped for specimen support |
| 1.5.1 The turntable shall meet the following; |
| 1.5.1.1 The turntable support has diameter of 500 mm. |
| 1.5.1.2 The turntable height can be adjusted to meet the suitable distance between test specimen |
| and oscillating tube that have variable size. |
| 1.5.1.3 The turntable support is grid shaped perforated. |
| 15.1.4 The turntable support can be turned / rotate about its vertical axis during the test at a rate of 1 |
| r/min. |
| 1.5.1.5 The turntable support can carry weight of minimum 50 kg. |
| 1.5.1.6 The turntable shall be made using stainless steel material. |
| 1.5.1.7 The turntable can be stop manually. |
