RT-827A Fabric Water Vapour Permeability Tester | Full Operation Guide

RT-827A Fabric Water Vapour Permeability Tester - complete operation guide. In this video we walk you through the full testing workflow of the RT-827A Water Vapour Permeability Tester: key features first, then every step of the operation - specimen preparation, touch screen setup, testing and result calculation. The RT-827A measures water vapour transmission rate (WVT) of woven, knitted, film and coated fabrics, complying with: GB/T 12704 | ASTM E96 | JIS L1099 | BS 7209 Key features: Turntable sample carousel with 8 test positions for uniform conditions Automatic temperature & humidity control (room temp - 50°C, ±0.5°C / 40-95% RH, ±1% RH) Adjustable air velocity 0.1 - 0.8 m/s Color touch screen, English/metric units Automatic calculation of WVT, WVP and PV values Operation steps covered in this video: 1. Pre-test checks: level and lock casters, fill distilled water, check power and grounding 2. Specimen preparation: fill test cup with 40ml distilled water at 40°C (10mm gap), mount sample face up, seal the edge, record initial weight 3. Touch screen setup: choose standard, set temperature/humidity/air speed and rotation 4. Load cups into the chamber and start the test 5. Reweigh immediately after testing and let the instrument calculate the result Ideal for textile testing labs, garment factories, sportswear and outdoor fabric manufacturers, and quality control departments. Visit our website for full specifications and a quotation: https://dgright.com/ Contact us: Email: sales@dgright.com Tel/WhatsApp: +86 132 6746 6269 Tel: +86 769 2288 2009 Dongguan Right Instrument Co., Ltd. - professional textile, rubber and plastic testing machine manufacturer since 2016.    / @rightinstrumentcoltd