Product

Systester Instruments Co., Ltd.

Oxygen Permeability Tester OTR-1901
Application

OTR-1901 is based on the coulometric sensor method and available for the
OTR test of flexible films, sheeting and packages. It can test 3 specimens
in one operation with independent results.
Films:
Plastic films, aluminum foil, aluminized films, plastic composite films,
paper-plastic composite films, coextruded films, aluminum foil composite
Packages:
Plastic, rubber, paper, paper-plastic composite, glass and metal packages, e.g.
red wine bottles, blister, various plastic bottles, Coke bottles, peanut oil
packages, Tetra Pak materials,vacuum bags, metal three-piece cans
Feather

(1) Coulometric sensor method
(2) Own technology
(3) Film and package test
(4) 3 specimens test simultaneously and independently
(5) One-button test, test automatically in whole process
(6) Multiple test modes optional
(7) Data curves display
(8) Computer control
(9) Digital flow adjustment
(10) 3 Chambers temperature sensor embedded in
(11) Environment temperature and humidity sensor inside
(12) Chambers water bath technology
(13) Unit based on embedded system,24bit Δ-Σ AD
(14) Pressure, oxygen and temperature overload protection
(15) Traceable reference film calibration
(16) Supports DSM system (DSM, lab data management system)
Principles

Film:
The specimen is clamped between the upper and lower chamber, the upper chamber is purged by a oxygen stream, and the other side of specimen, lower chamber is purged by a stream of nitrogen, due to the effect of oxygen concentration gradient at two sides of the specimen, oxygen molecules will permeate through the specimen into the nitrogen side, penetrated oxygen molecules will be carried to the coulometric sensor which generates the proportional signal, so oxygen transmission rate and permeability coefficient will be obtained by calculating the sensor signal.
Package:
The package is mounted on the lower chamber, the outside of the package is air or a pure oxygen stream, the inside of the package is purged by a nitrogen stream, oxygen will permeate through the wall into the inside of the package, penetrated oxygen molecules will be carried to the coulometric sensor which generates the proportional signal, so oxygen transmission rate will be obtained by calculating the sensor signal.
Configuration

Delivery: Main unit, computer,G-TRANS software, temperature controller, vacuum pump, tank regulator,PCIE card, communication cable, sample cutter, vacuum grease.Optional: Humidity generator, reference film, vacuum grease, sample cutter, DSM system. Note: Specifications are subject to change without prior notice.
Main Technical Parameters

Technology   table
Test range Film: 0.01-6500 cm3/m2·d (Standard)
       0.07-6,5000 cm3/m2·d (Optional)
Resolution 0.001 cm3/m2·d
Test range Package:
      0.0001~62 cm3/pkg·d
Resolution 0.00001 cm3/m2·d
Specimen   amount: 3 specimens,   independent
Temperature   range 5℃~95℃
Temperature   accuracy ±0.1℃
Humidity range 0%RH,35%RH-90%RH,100%RH
Humidity   accuracy ±1%RH
Sample size Film
       size :≥150mm*94mm; thickness: ≤ 1mm
Package
      max size: D120mm * 400mm
Test area 50cm2
Carrier gas 99.999% Nitrogen
carrier flow 0~20ml/min
Gas interface 1/8inch
Dimension 730mm(L) * 590mm(W) *   350mm(H)
Power supply AC 220V 50Hz
Net weight 57kg
Standards

ASTM D3985, ASTM F2622, ASTM F1307, ASTM F1927, ISO 15105-2, GB/T 19789, JIS K7126-B, YBB 00082003

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