IEC60112 Flammability Testing Tracking Index Test Apparatus
1. Introduction
The tracking index test apparatus is designed according to the standards IEC 60112, GB/T 4207, IEC62368-1 clause 5.4.3.3, IEC60598-1 clause 13.4, IEC60601-1 clause 8.9.1.7, IEC60335-1 clause 29, IEC61010-1 clause 6.7.1.3, IEC60884-1 clause 28.2, and BS1363-1 clause 8.2 Appendix C. It is widely used in material testing on lamps, household appliances, IT/AV appliances, and electrical accessories. The tracking resistance index measured by the tracking index tester can identify the level of tracking resistance of raw materials used in electrical equipment working in a humid environment. The tracking index test device is equipped with a 7-inch color touch screen, PLC, imported medical grade titration pump, high-power voltage regulator, and pure platinum electrodes.
2. Standard
- IEC60112 Method for the determination of the proof and the comparative tracking indices of solid insulating materials
- IEC60598-1 Luminaires – Part 1: General requirements and tests clause 13.4
- IEC62368-1 Audio/video, information and communication technology equipment – Part 1: Safety requirements clause 5.4.3.3
- IEC60601-1 Medical electrical equipment-Part 1: General requirements for basic safety and essential performance clause 8.9.1.7
- IEC60335-1 Household and similar electrical appliances – Safety –Part 1: General requirements clause 29
- IEC61010-1 Medical electrical equipment - Part 1: General requirements for basic safety and essential performance clause 6.7.1.3
- IEC60884-1 Plugs and socket-outlets for household and similar purposes –Part 1: General requirements clause 28.2
- BS1363-1 13 A plugs, socket-outlets, adaptors and connection units Part 1: Specification for rewirable and non-rewirable 13 A fused plugs clause 8.2 Annex C
3. Parameters
| Control system | 7-inch color touch screen+PLC |
| Electrode material | platinum (Pt) purity≥ 99% |
| Electrode size | (2mm±0.1mm)×(5mm±0.1mm)×(40mm±5mm), length≥12mm, angle of chisel-edged: 30°±2° |
| Electrode distance | 4.0mm±0.1mm, angle: 60°±5° |
| Electrode pressure | 1.00±0.05N |
| Electrode voltage | 100~600V |
| Height of the drops | 35mm±5mm adjustable |
| Size of drops | 20 drops: 0.380g~0.480g, 50 drops: 0.997g~1.147g |
| Interval of the drops | 30s±5s, 50 drops: 24.5min±2min |
| Test solutions resistance | Solution A: 0.1%NH4Cl, 3.95±0.05Ωm, solution B: 1.98±0.05Ωm |
| Number of drops | 0~9999 (presettable, record and display) |
| Test wind speed | 0.2m/s |
| Short circuit current drop | 1.0A±0.1A drop 10% |
| Leakage indicator | 0.50A±10% , 2.00s±10% |
| Standard | IEC60112, UL746A, ASTM D 3638-92, DIN 53480 |
| Accessories | Dripping system, glassware, block gauge, electrodes and etc. |
| Outer dimension | 800mm (W)*500mm (D)*970mm (H) |
| Working Power | 220V/50Hz, 1KVA |
4. What is PTI?
The PTI names Proof Tracking Index, it’s the voltage value of the material subjected to 50 drops of electrolyte without electrical tracking, the unit is volt.
5. What is CTI?
The CTI names comparative tracking index. The highest voltage value at which the surface of the material can withstand 50 drops of electrolyte without forming electrical tracking, the unit is volt.
6. What test solutions will be used?
Solution A is normally used. Dissolve approximately 0.1T by mass of analytical reagent grade anhydrous ammonium chloride (NH4Cl), of a purity of not less than 99.8% of not less than 99.8%, in de-ionized water to give a resistivity of (3.95±0.05) Ωm at (23±1)℃.
7. Figure
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PLC Type IEC60112 Flammability Testing Tracking Index Test Apparatus Images
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