W 303 type Water Vapor Permeation Analyzer - W303

Introduction
Designed by the principle o(dry cup method) to test the moisture transmittance rate of plastic films, applicable to all kinds of plastic packing, food, medicine, cosmetic manufacturer and quality inspection institutions of higher schools and quality inspection. Accord with international standard of GB/T join, GB, ASTM E96, ASTM 16928 D1653, TAPPI T464, ISO 2528.Computer automatic test and automatic controlling temperature, humidity, automatic recording temperature, humidity, weight, transmission rate which four groups curves, automatic judging experiment ending.
Specifications
Measurement range：0.02~10000 g/m2.day
Measurement accuracy:：0.001 g/m2.day
Temp. range：10℃~50℃
Temp. accuracy：0.1℃
Humidity range: 0~20%RH seasoning，10~90%RH（dual-airflow humidity method, selection）
Humidity accuracy: ±2%RH
Sample thickness：≤2mm
Sample no：3pieces
Sample dia.:Φ80mm ,transmission area 50.24cm2,(no stipulate for area in international)
Features
1.Designed as 3 separate chamber ，each chamber has a separate sensor，with 3 different samples independently or simultaneously testing ，each test chamber can set different parameters of temperature, auto-judge；
2. Can extend to 4 testing chambers.
The host through the USB port connects to computer , host with configuration of 240,000 true color touch screen to work independently;
All parameters setting operation, display curves and reports, host itself has operation system,
5, High-precision sensors, continuous data collection, accurate and reliable data ;
6. Advanced technology , accuracy up to 0.001g/㎡/day
7. Super-range protection of sensors
8.The temperature systems use pulsed controlling methods of electromagnetic technology , with the function of warming up and cooling to dehumidification f weighting method use weight reduction method