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IEC60112 CTI And PTI Flammability Testing Equipment PLC Control
Standard:
IEC60112-2009 Method for the determination of the proof and the comparative tracking indices of solid insulating materials.
It specifies the method of test for the determination of the proof and comparative tracking indices of solid insulating materials on pieces taken from parts of equipment and on plaques of material using alternating voltages. Flammability Testing Equipment
comparative tracking index
CTI
numerical value of the maximum voltage at which five test specimens withstand the test period for 50 drops without tracking failure and without a persistent flame occurring and including also a statement relating to the behaviour of the material when tested using 100 drops
proof tracking index
PTI
numerical value of the proof voltage in volts at which five test specimens withstand the test period for 50 drops without tracking failure and without a persistent flame occurring
Parameter:
| ParametersModel | LT-3(0.5m³) (Touch screen) |
| Working voltage | 220V/50Hz, 1KVA |
| Control operation mode | PLC control, 7 inch color touch screen operation, with infrared remote control |
| Testing voltage | 0～600V adjustable, precision 1.5％ |
| Timing device | 9999X0.1S |
| Electrode | Material: Platinum electrode and brass connecting rod |
| Size: (5±0.1)×(2±0.1)×(≥12)mm, 30°slant, Tip rounding:R0.1mm | |
| Relative position of electrode | Included angle: 60°±5°, distance is 4±0.1mm |
| Electrode pressure | 1.00N±0.05N, Touch screen display |
| Dripping liquid | The interval time of dropping liquid: 30±5S, digital display, can be preset |
| Height: 35±5mm | |
| The number of drips:0-9999 times, can be preset, the volume size of the dripping liquid is controlled by the imported micro pump within 50 ~ 45 drips /cm³ | |
| Test liquid resistance | A liquid 0.1%NH4Cl, 3.95±0.05Ωm, B liquid 1.7±0.05Ωm |
| Time-delay circuit | 2±0.1S (in 0.5A or larger current) |
| Short-circuit pressure drop | 1±0.1A 1％, pressure drop 8% MAX |
| Wind speed | 0.2m/s. Flammability Testing Equipment |
| Environmental requirement | 0～40℃, relative humidity≤80%, in the place of no obvious vibration and corrosive gas |
| Dimensions and weight | WDH=1100×550×1200 mm, about 130kg |
