Comparative Tracking Index Tester

The Comparative Tracking Index Tester is designed to evaluate the resistance of insulating materials to electrical tracking on the surface under specified voltage and contamination conditions. The Comparative Tracking Index Tester simulates leakage current and tracking phenomena caused by electrolyte contamination on insulating materials used in electrical and electronic equipment. The instrument is widely used in laboratories, manufacturing facilities, and quality inspection departments for testing insulating materials, engineering plastics, and electrical components.

Application

Wheel Tracking Apparatus is suitable for the research, production and quality inspection departments in the industry  of lighting equipment, low-voltage electrical appliances, household appliances, machine tools, electrical machine, electric tools, electronic instruments, electro technical instruments, information technology equipment, as well as insulating materials , engineering plastics, electrical connectors, accessories industry.

Standards

GBT 4207，IEC 60112 (2003)，IEC 60745-1，IEC 60335-1，IEC 60598-1，IEC 60884-1

IEC60112 Tracking Test Apparatus Structure Features

1. The chamber is paint spray procced, elegant and anti-corrosive, size:1200mm X 600mmx 1200mm.

2. All specimen holders are made by stainless steel material.

3. Equipment consists of  the voltmeter, ammeter, delay overcurrent relay, power supply, circuit control system, button switch, signal lights and other components.

4. Automatic drip device contains drip tube, drip nozzle, counting device, drip counting device, drip control device, droplet volume measuring tool, etc.

5. Drip nozzle device can adjust; Adjust height 30 to 40 mm, ensure the drip position between the two electrodes .

6. Electrode device contains platinum electrode, electrode fixing device, 4 mm gauge, etc. The electrode is adjustable and detachable. 

7. Electrode is 5 mm wide, 2 mm thick, 99.9% purity of platinum, 30 ~ 60 degrees sharp tip.

8. Electrode pressure to the sample can be adjusted. The adjusting range is 1.00 N (+ / - 0.001 N), electrode distance 4.0 mm + / - 0.01 mm, intersection Angle 60 ° + / - 5 ° .

9.  Equipped with sample stage

10. Equipped with glass plate: thickness≥4mm

11.  Equipped with electrolyte:1 bottle of ammonium chloride and 1 bottle of alkyl naphthalene sulfonic acid sodium reagent.

12. Test voltage: 0 ~ 1000 v adjustable and digital display. Maximum error of voltage meter display value  is 1%.

13.  Short circuit current: (1 ±0. 1), A voltage drop value less than 10% .

14. Test current over 0.5 A lasting more than 2 seconds, the system automatically shut down the equipment.

15. Safety door control system: when the door is opened, the test system will not work.

16. Electrode: 5 mm x 2 mm rectangle platinum electrode and brass electrode each one pair, in accordance with the size requirements of  IEC60112 figure B. 1.

17. The intersection angle between electrodes is  60 °±5 °, spacing of 4±0.1 mm.

18. Electrode pressure to sample is 1. 00N±0.05N.

Features

(1) Spray-coated test chamber with corrosion-resistant structure.

(2) Stainless steel specimen holders ensuring stable sample placement.

(3) Integrated electrical system including voltmeter, ammeter, and delay overcurrent relay.

(4) Automatic electrolyte dripping system with adjustable nozzle height.

(5) High-purity platinum electrodes with adjustable spacing and pressure.

(6) Automatic shutdown when test current exceeds the specified limit.

(7) Safety door interlock system preventing operation when the door is open.

(8) Stable voltage control and accurate measurement system.

FAQ

1. What is this product?

The Comparative Tracking Index Tester is a laboratory instrument used to measure the tracking resistance of insulating materials.

2. What is this product used for?

It is used to determine CTI and PTI values of insulation materials used in electrical and electronic equipment.

3. What is the working principle of this product?

Electrolyte droplets are applied between two electrodes on the material surface under a controlled voltage to simulate electrical tracking conditions.

4. Why is this product important?

It helps evaluate insulation safety and prevents electrical tracking failures in electrical equipment.

5. What industries is this product suitable for?

It is suitable for electrical appliance manufacturers, insulation material producers, research laboratories, and quality inspection organizations.