Professional packaging testing instrument manufactured by KHT Instrument. Precision-engineered for quality control laboratories and production environments.
The WTC-303H Water Vapor Transmission Rate Tester from KHT Instrument is engineered for reliable and repeatable testing of packaging materials. Featuring a 7-inch touchscreen controller and high-precision sensors, it delivers accurate measurements for quality assurance laboratories and production environments.
This instrument supports multiple test modes and complies with relevant ASTM, ISO, and Chinese national standards. The microcomputer-controlled stepper motor drive system ensures smooth operation with speeds adjustable from 0.1 to 500 mm/min, providing flexibility for different test requirements.
Built with a robust ball-screw mechanism and dual linear bearing guides, the WTC-303H offers excellent mechanical stability and long service life. Standard accessories include test fixtures, a thermal printer for on-site reporting, and optional PC software for advanced data analysis.
| Parameter | Value |
|---|---|
| Test Range | Films: 0.005~40 g/m²·24h(standard) |
| Resolution | 0.001 g/m²·24h |
| Repeatability | 0.05 or 2% (whichever is greater) |
| Temperature Range | 10°C~55°C |
| Temperature Accuracy | ±0.2°C |
| Humidity Range | 0% RH, 5%~90%RH ,100%RH |
| Humidity Accuracy | ±1% RH |
| Sample Quantity | 3 (independent data) |
| Permeation Area | 50 cm2 |
| Sample Thickness | ≤3 mm(thicker requires accessory) |
| Carrier Gas | 99.999%High-purity nitrogen(user-supplied) |
| Carrier Gas Flow | 0~200 mL/min |
| Gas Source Pressure | ≥0.28MPa/40.6 psi |
| Port Size | 1/8 inch metal tube |
| Dimensions | 740 mm (L)×415 mm (W)×430 mm (H) |
| Power Supply | AC 220V 50Hz |
| Net Weight | 50Kg |
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