SN-W103E WVTR Tester

Three-chamber WVTRTester (cup method)
Three-chamber WVTR Tester (cup method) delivers high-precision and high-efficiency water vapor transmission rate measurements for medium to high barrier materials, utilizing the gravimetric cup principle for reliable results.

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Product Introduction

Standards

ASTM E96,GB/T 1037,GB/T 16928,ASTM D1653,ISO 2528,TAPPIT464,DIN 53122-1,YBB00092003-2015

Application Fields

Intended Use

Suitable for water vapor transmission rate (WVTR) testing of packaging materials such as plastic films, composite films, sheets, plastic bottles, and plastic bags.

Operating Principle

Distilled water is placed in the test cup, and the pre-conditioned specimen is clamped onto the cup, which is then placed in the test chamber. Water vapor permeates through the specimen into the dry side. By measuring the change in the overall weight of the test cup over time, the water vapor transmission rate (WVTR) of the specimen is calculated.

Product Features

Equipped with original imported high-precision sensors for real-time data collection; independent testing in the test chambers ensures accurate and reliable data.
Sensors are equipped with an over-range alert function.
The temperature system utilizes PID control methods with an excellent structure, providing precise thermal regulation.
Dehumidifying chamber design ensures stable humidity for the test specimens.
Easy to operate, featuring an error-proofing function for parameter settings.
The software interface provides real-time display of temperature, humidity, weight, and transmission rate curves.
The software supports real-time dynamic data display and flexible scaling of curves.
Test reports can be conveniently exported in Word and PDF formats for editing and printing.
The entire process is automatically monitored by the computer system.

Technical Parameters

Item	Parameter
Test Range	0.02~10,000g/(㎡·24h)
Measurement Accuracy	Within ±2% of reading
Maximum Capacity	200g
System Resolution	0.0001g
Temperature Range	5℃~55℃
Temp. Control Accuracy	±0.5℃
Relative Humidity	＞90%RH
Test Area	50.26c㎡(Optional)
Number of Specimens	3
Power Supply	AC 220V/50Hz

Equipment Configuration

Standard Configuration

Mainframe, Stainless Steel Tube, Power Cable, Pneumatic Tubing, Vacuum Grease, Communication Cable, Sample Cutter, Qualitative Filter Paper, Installation Accessories

User-provided Items

PC, Distilled Water

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