WVTR-E1 Water Vapor Transmission Rate Tester (Electrolytic sensor)

Product Features

Advanced technology

High precision micro vapor electrolytic sensor, which improves testing accuracy and stability

Precise flux controller and automatic gas flux control technology, ensured stable testing process effectively

World’s first advanced water circulated temperature control system, realized temperature auto control and wider temperature range

Independent temperature control for upper/lower chamber and electrolytic sensor, which ensured accurate testing results

Self-developed pipeline gas system, ensured system seal ability of gas pipelines

Sample griping integrated with self-developed anti-side leakage technology, ensured testing accuracy

Integrated with fully automatic double pressure humidity control method makes wide range of humidity control

High-end Configuration

Manual, ratio, continuous mode for different testing requirement

Automatic power failure saving function to avoid test interruption

Automatic record of the whole testing process, result judgement and results saving function

Efficient testing, low nitrogen consumption and short test time

System self-detection to avoid continuing testing in the state of failure

Real-time monitoring of gas flow, automatic alarm when there is little or no gas

Rapid access to the temperature and humidity verification port, convenient for fast calibration

Professional Software

Simple and intuitive operation interface, convenient user-defined testing functions, and perfect data analysis and reporting functions

Possess powerful functions such as window display, curve overlay analysis, test report customization, original data export, editable with Office software, etc.

Full process data monitoring and recording, sampling rate adjustable and auto test repeating according to needs

The software can be equipped with optional data traceability, which can realize multi-level authority management, audit tracking, electronic signature and other functions, comply with GMP requirements

Pubtester also provides professional customization services to meet users' personalized needs in terms of fixtures and software

Provide software free upgrade lifetime

Test Principle

The test specimen is mounted in the diffusion cell, which is divided into a dry chamber and a controlled-humidity chamber. The dry side of the specimen is swept by a flow of dry nitrogen, and the water vapor permeating through the specimen from the controlled-humidity chamber is carried by dry nitrogen to the electrolytic sensor where proportion electrical signals will be generated. The water vapor transmission rate is obtained by analyzing and calculating the electrical signals.

Reference Standard

ISO 15106-3
ASTM F3299
DIN 53122-2
GB/T 21529
YBB 00092003-2015

Product Parameter

Applications

Basic application	Film	Water vapor transmission rate of plastic films, paper-plastic composite films, coextruded films, aluminum foils, aluminum composite films, glass fiber aluminum foil composite films and many others
Basic application	Sheet	Water vapor transmission rate of PP, PVC and PVDC sheets, metal foils, rubber pads, silicon wafers and other sheeting materials
Basic application	Paper, paper board and composite materials.	Water vapor transmission rate of cigarette aluminized paper, paper aluminum-plastic composite sheet and other paper and cardboard
Basic application	Packages	Water vapor transmission rate of plastic, rubber, paper, paper-plastic composite, glass and metal packages, e.g. plastic bottles, pouches, coated paper cartons, vacuum bags, metal three-piece cans, plastic packages for cosmetics, soft tubes for tooth paste, jelly and yogurt cups
Extended Application	Package closure	Water vapor transmission rate of all types of package closure
Extended Application	LCD display	Water vapor transmission rate of LCD display and its relevant sheet
Extended Application	Solar Back-sheets	Water vapor transmission rate of solar Back-sheets and its relevant sheet
Extended Application	Pipe	Water vapor transmission rate of PPR and other types of pipes
Extended Application	Blister Packs	Water vapor transmission rate of whole blister packs
Extended Application	Aseptic protective film, medical plaster patch	Water vapor transmission rate of aseptic protective film, medical plaster patch
Extended Application	Battery Plastic Shell	Water vapor transmission rate of battery plastic cell

specifications	WVTR-E1
Test Range	Film: 0.001~ 50 g/m2·24h
Test Range	Container: 0.00001~ 0.25 g/pkg·24h (optional)
Sensor Accuracy	0.001 g/m2·24h
Permeable Area	50 cm2
Specimen Thickness	≤3 mm（Accessories needed for thicker specimen）
Number of Specimens	1
Temperature Control Range	15°C～60°C
Temperature Accuracy	± 0.1℃
Humidity Control Range	0% RH, 35%~95%RH, 100%RH
Humidity Accuracy	±1%RH
Carrier Gas	99.999% High-purity Nitrogen (outside of supply scope)
Carrier Gas Flow	100 mL/min（auto control）
Carrier Gas pressure	≥0.2MPa
Port Size	1/8inch metal tubing
Dimensions	740mm (L)×415 mm (W)×430mm (H)
Power Supply	AC 220V 50Hz
Net Weight	50Kg

Configuration

Standard configuration:Instrument, Touch screen, sampler, precise pressure control valve, vacuum grease, communication cable, reference film

Optional configuration:Container testing accessories, temperature and humidity control device for container fixtures

Note：Gas supply and distilled water need to be prepared by customer