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IEC 60112 Tracking Index Test Apparatus for CTI & PTI Evaluation | Precision Flammability Testing Equipment for Electrical Insulation Safety

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IEC 60112 Tracking Index Test Apparatus for CTI & PTI Evaluation | Precision Flammability Testing Equipment for Electrical Insulation Safety

China IEC 60112 Tracking Index Test Apparatus for CTI & PTI Evaluation | Precision Flammability Testing Equipment for Electrical Insulation Safety supplier

IEC 60112 Tracking Index Test Apparatus for CTI & PTI Evaluation | Precision Flammability Testing Equipment for Electrical Insulation Safety

Brand Name	HongCe
Model Number	LT-3
Certification	Calibration certificate(cost additional)
Place of Origin	China
Minimum Order Quantity	1 set
Price	Negotiable
Payment Terms	T/T,L/C
Supply Ability	10 set per month
Delivery Time	60 days
Packaging Details	Plywood
Standard	IEC 60112, IEC60695 and etc
Product name	Leakage Tracking Tester
Control operation mode	Electrical control or PLC control
Electrode spacing	4±0.1mm
Electrode pressure	1±0.05 N
Testing voltage	0-600V adjustable
Drip delay	0.2S
Drip size	45 ~ 50 drops / cm3
Working voltage	220V/50Hz,1KVA

Detailed Product Description

IEC 60112 Tracking Index Test Apparatus for CTI & PTI Evaluation | Precision Flammability Testing Equipment for Electrical Insulation Safety

Product introduction

Hey, for those labs where safety is top priority, HongCe came up with this Tracking Index Tester. It checks if solid materials can stop electrical leaks when things get dirty or wet. It has steady controls, drips liquid just right, and is built to last.

If you're in manufacturing, testing, or signing off on products, this tester helps make sure insulation follows IEC 60112 standards, along with similar guidelines . Use it daily!

International reference standards

IEC 60112:2020 – Method for the determination of the proof and the comparative tracking indices of solid insulating materials
Clause 5: Test apparatus and electrode configuration
Clause 6: Test solutions and contamination conditions
Clause 7: Test procedure for CTI determination
Clause 8: PTI verification method
GB/T 4207 – Chinese equivalent to IEC 60112 (CTI/PTI determination)
UL 746A – Polymeric materials short-term property evaluations (tracking resistance reference)
ASTM D3638 – Tracking resistance of insulating materials (reference method)

Proof tracking index (PTI)

Where, in IEC standards for material or for electrical equipment specifications, or in other standards, a proof test only is required, 50 drop tests shall be made in accordance with Clause 8 but at the single voltage specified. The required number of specimens shall withstand the test period up to at least 25 s after the fiftieth drop has fallen without tracking failure, and without a persistent flame occurring.

Operation of the over-current device by air arcs does not constitute a tracking failure.

The proof voltage shall be an integer multiple of 25 V.

Comparative tracking index (CTI)

Determination of the comparative tracking index requires the determination of the maximum voltage at which five specimens withstand the test period for 50 drops without failure and whether, at a voltage of 25 V lower than the maximum 50 drop figure, the specimen withstands 1 00 drops. If this is not the case, the maximum 1 00 drop withstand voltage has to be determined.

Parameter:

Model	LT-2(0.5m³)	LT-3(0.5m³) (Touch screen)
Working voltage	220V/50Hz, 1KVA	220V/50Hz, 1KVA
Control operation mode	Electrical control, button operation	PLC control, 7 inch color touch screen operation, with infrared remote control
Testing voltage	0-600V adjustable, precision 1.5%
Timing device	9999X0.1S. Flammability Testing Equipment
Electrodes	Material: Platinum electrode and brass connecting rod
	The two electrodes shall have a rectangular cross-section of (5 ± 0,1 ) mm * (2 ± 0,1 ) mm, with one end chisel-edged with an angle of 30° ± 2° (see Figure 1 ). The sharp edge shall be removed to produce an approximately flat surface, 0,01 mm to 0,1 mm wide
Relative position of electrode	Included angle: 60°±5°, distance is 4±0.1mm
Electrode pressure	1.00N±0.05N	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 solutions	Solution A: 0.1%NH4Cl, 3.95±0.05Ωm, Solution B: 0.1%NH4Cl + 0.5± 0.002% sodium-di-butyl naphthalene sulfonate, 1.98±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.
Environmental requirement	0～40℃, relative humidity≤80%, in the place of no obvious vibration and corrosive gas
Dimensions and weight	WDH=11005501200 mm, 130kg	WDH=11005501200 mm, 130kg

Applications

Electrical appliance components
Connectors, terminals, sockets, plugs
Wire & cable insulation materials
Switches, relays, PCB substrates
EV and charging system insulation parts
Household and industrial plastic enclosures

Detailed images

FAQ

Q1: What’s the difference between CTI and PTI?

CTI measures the highest voltage at which a material resists tracking over 50 drops. PTI verifies performance at a fixed voltage level. Both are critical for safety classification.

Q2: Can the voltage range be customized?

Yes. As a direct manufacturer, HongCe can tailor voltage ranges and power specs to your lab standards.

Q3: Is the system suitable for third-party labs and certification bodies?

Absolutely. The apparatus is widely used in compliance labs, R&D centers, and QC departments.

Q4: How often should the equipment be calibrated?

We recommend annual calibration or per your lab’s ISO/IEC 17025 procedures.

Q5: Do you provide test solution preparation guidance?

Yes, we provide SOPs and training for preparing standard IEC test solutions.

Product Tags: IEC 60112 tracking index test apparatus flammability testing equipment for electrical insulation CTI PTI evaluation testing equipment

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