# Water Vapour Transmission Rate Tester 3 Cells –   C303H

- Link: https://flexitest.in/packaging-testing-equipments/permeability-testing-instruments/water-vapour-transmission-rate-tester-3-cells-c303h/
- Published: 2024-08-29T12:55:11+05:30
- Author: chetanvarne

# Water Vapour Transmission Rate Tester 3 Cells – C303H

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Water Vapour Transmission Rate Tester 3 Cells – C303H

![Water Vapour Transmission Rate Tester 3 Cells – C303H](https://flexitest.in/wp-
content/uploads/2025/05/c303h_wvtr_product_banner_packaging_.webp "Water Vapour 
Transmission Rate Tester 3 Cells - C303H 5")

![Water Vapour Transmission Rate Tester 3 Cells - C303H](https://flexitest.in/wp-
content/uploads/2026/09/c303h_wvtr_packaging_m.webp "Water Vapour Transmission Rate
Tester 3 Cells - C303H 6")

![C203H Oxygen Transmission Rate Tester 3 Cell OTR Tester for Packaging](https://
flexitest.in/wp-content/uploads/2025/04/c303h_wvtr_inner_bg-scaled-e1747215300679.
webp "Water Vapour Transmission Rate Tester 3 Cells - C303H 7")

The Water Vapor Transmission Rate (WVTR) System is utilized in the packaging industry
to measure the permeability of packaging materials to water vapor. This assists 
in evaluating the effectiveness of packaging in preventing moisture ingress, vital
for preserving product quality, shelf life, and stability. Labthink 303H conforms
to the ASTMF1249 Standard.

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 Automatic-ejection-return-of-test-chamber-1

 Live-monitoring-temperature

 Oxygen Transmission Rate Tester 3 Cells - C203H Sample mounting

 Oxygen Transmission Rate Tester 3 Cells - C203H Package test accessories

## Features

 *     Patented Infrared Water Vapor Sensor: Delivers high precision and a lower
   test detection limit, with a long, non-consumable service life.
 *     Effective 3-Cell Design: Three independent 50 cm² test chambers test three
   samples simultaneously under identical conditions, increasing throughput per 
   test cycle.
 *     Accurate, Repeatable Data: 360° air circulation constant-temperature technology
   and high-precision temperature/humidity sensors achieve repeatability as fine
   as 0.005 g/(m²·day).
 *     Fully Automatic Operation: One-key start with automatic drawer-type sample
   loading, automatic sample clamping, and consistent clamping force for better 
   sealing.
 *     Automatic Environmental Control: Automatically regulates test temperature,
   humidity, and nitrogen flow rate for consistent, hands-off testing.
 *     12-Inch Touch Panel Control: Windows-based touchscreen interface for simple,
   intuitive operation.
 *     Safe & Reliable: Industrial-grade embedded computer, optical sensors, and
   sound/light alarms protect both operator safety and data integrity.
 *     Advanced Data Output: Generates water vapor transmission curves, transmission
   coefficient curves, temperature curves, and humidity curves for detailed analysis.
 *     Conformance to Standards: Meets ASTM F1249, ISO 15106-2, GB/T 26253, JIS 
   K7129, and YBB 00092003-2015.

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## Related Machines

[⌊C203H OTR Tester⌉⌊C203H OTR Tester⌉[

[C203H OTR Tester](https://flexitest.in/packaging-testing-equipments/permeability-testing-instruments/oxygen-transmission-rate-tester-3-cells-c203h/)

C203H delivers accurate 3-cell OTR testing with a coulometric sensor, compliant 
with ASTM F1307, F1927, F2622, D3985 & ISO 15105-2.

[View Details ](https://flexitest.in/packaging-testing-equipments/permeability-testing-instruments/oxygen-transmission-rate-tester-3-cells-c203h/)

[⌊C403H OTR + WVTR Combo⌉⌊C403H OTR + WVTR Combo⌉[

[C403H OTR + WVTR Combo](https://flexitest.in/packaging-testing-equipments/permeability-testing-instruments/combo-tester-3-cells-c403h/)

C403H delivers simultaneous 3-cell OTR & WVTR testing with high precision, compliant
with ASTM D3985 & ASTM F1249.

[View Details ](https://flexitest.in/packaging-testing-equipments/permeability-testing-instruments/combo-tester-3-cells-c403h/)

[⌊C406H Combo Tester⌉⌊C406H Combo Tester⌉[

[C406H Combo Tester](https://flexitest.in/packaging-testing-equipments/permeability-testing-instruments/combo-tester-6-cells-c406h/)

C406H delivers simultaneous 6-cell OTR & WVTR testing with coulometric & infrared
sensors, compliant with ASTM D3985.

[View Details ](https://flexitest.in/packaging-testing-equipments/permeability-testing-instruments/combo-tester-6-cells-c406h/)

[⌊C360H Gravimetric WVTR Tester⌉⌊C360H Gravimetric WVTR Tester⌉[

[C360H Gravimetric WVTR Tester](https://flexitest.in/packaging-testing-equipments/permeability-testing-instruments/wvtr-gravimetric-method-c360h/)

C360H delivers precise 12-station gravimetric WVTR testing by desiccant & water 
methods, compliant with ASTM E96.

[View Details ](https://flexitest.in/packaging-testing-equipments/permeability-testing-instruments/wvtr-gravimetric-method-c360h/)