Comparative Tracking Index Test Equipment

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Leakage Current Tracking Tester is designed to evaluate the tracking resistance of solid electrical insulating materials under humid conditions. By applying voltage across a specimen and dripping a conductive liquid, the tester simulates the electrical stress and evaluates the material's resistance to surface tracking. The equipment is widely used in electronics, plastics, electrical, and automotive industries for quality control and performance assessment of insulating materials and electrical components.

Standards

The tester complies with the following national, industry, and international standards:

GB/T 4207-2003: Determination of comparative and proof tracking indices of solid insulating materials under wet conditions

IEC 60112: Test methods for electric strength and tracking resistance of solid insulating materials

UL 746A: Plastic Materials – Short Term Property Evaluations

IEC 60216: Thermal aging tests for electrical insulating materials

ASTM D2344: Standard methods for insulation material aging tests

IEC 60529: Degrees of protection provided by enclosures for electrical equipment

GB/T 5169: Safety testing standards for electrical products

Specifications

Parameter	Specification
Electrode material	Tungsten steel (test electrode), stainless steel (electrode rod)
Electrode size	(2 mm ±0.1 mm) × (5 mm ±0.1 mm) × (40 mm ±5 mm)
Electrode slope	30° ±2°
Electrode spacing	4.0 mm ±0.01 mm
Electrode pressure	1.00 N ±0.01 N
Test solution resistance	Solution A: 0.1% NH4Cl, 3.95 ±0.05 Ω·m; Solution B: 1.98 ±0.05 Ω·m
Droplet device	No manual adjustment required; easy to operate
Droplet height	35 mm ±5 mm (adjustable)
Droplet interval	30 s ±0.01 s (pre-settable); 50 droplets ≈ 24.5 min ±2 min
Number of droplets	1–9999 (pre-settable)
Test wind speed	0.2 m/s
Test voltage	100 V – 600 V (25 V increments, adjustable)
Current limit	1.0 A ±0.1 A (voltage drop ≤10%)
Tracking detection	0.50 A ±10%, 2.00 s ±10%
Exhaust	Ø100 mm exhaust port, top anti-backflow silent exhaust device
Working environment	0–40 °C, relative humidity ≤80%
Power supply	220 V 50 Hz, 0.6 kVA
External dimensions	1160 mm × 600 mm × 1310 mm (including feet)

Application

The Tracking Tester is suitable for testing the tracking resistance of various solid insulating materials, including:

Electronics Industry: Evaluates tracking performance of electrical components, circuit boards, and insulating materials.

Power Industry: Assessment of electrical insulating materials for cables, switches, transformers, and related equipment.

Plastics: Testing of plastic products, insulating coatings, and electronic plastic housings.

Automotive Industry: Evaluation of tracking resistance of automotive electrical systems, batteries, and electronic components.

Construction Industry: Testing electrical materials for building applications, including cables, distribution boxes, and sockets.

Household Appliances: Insulation performance testing for wires, batteries, plugs, and other electrical components.

R&D and Quality Control: Verification of new materials and ongoing product quality monitoring.

Features

Fully Automatic Operation: PLC and touch screen control for voltage adjustment, droplet control, and current measurement. Minimizes human error and increases testing efficiency.

Precise Droplet Control: Stepper motor controlled droplet device ensures accurate, adjustable droplet volume, complying with international standards.

Real-time Data Monitoring: Voltage, current, droplet count, and other parameters are displayed in real-time; results are automatically saved and report generation is supported.

Efficient Exhaust System: Silent, anti-backflow exhaust removes fumes quickly, maintaining a safe testing environment.

Multi-functional Settings: Adjustable droplet time, voltage, and current to accommodate various materials and standard requirements.

Safety Features: Overcurrent protection, test door status indicator, and electrical isolation ensure operator safety.

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