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Yanzhi Water vapor transmission and filtration rate Model: CHT-40B

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1. Evaluation of packaging materials: photovoltaic module packaging materials (such as EVA film, backplane, etc.) need to have good water resistance performance. Measurement of water vapor transmittance can assess the ability of these materials to prevent water intrusion, thus ensuring the stability and reliability of photovoltaic modules in long-term use.

2. Quality control: In the production process, the water vapor transmittance of the packaging material is tested, which can screen out the materials that do not meet the requirements to ensure the consistency of product quality.

3. Research and development of new materials: For the research and development of new packaging materials, the water vapor transmission rate is an important performance index. By optimizing the formula and structure of the material, the water vapor transmittance is reduced and the protective performance of the material is improved.

4. Prediction of module life: According to the water vapor transmittance data of the packaging material, the service life of photovoltaic modules can be predicted under different environmental conditions, providing reference for system design and maintenance.

5. Environmental adaptability assessment: Help to assess the performance of photovoltaic modules in high humidity areas or extreme climate conditions, and determine whether additional protective measures are needed.

6. Compare different products: When choosing suppliers or different types of packaging materials, water vapor transmittance can be used as a key indicator for comparison and evaluation, and select products with better performance.

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  • Product Features
  • Technical Parameters

The test principle

The water vapor transmittance detector adopts the principle of infrared method. The pre-processed sample is fixed in the middle of the test cavity, the test cavity is divided into high humidity cavity and low humidity cavity, compressed air flows in the high humidity cavity, dry nitrogen (carrier gas) flows at a fixed flow rate in the low wet cavity. Due to the existence of humidity gradient, the water vapor, through the water vapor of the sample is carried by the flowing dry nitrogen to the infrared sensor, and the parameters such as the water vapor transmittance of the sample are obtained from the electrical signal output by the sensor.


红外法原理图

Infrared method schematic diagram

Operative norm

GB/T 26253、YBB 00092003、ASTM F1249、BS EN ISO 15106-2、JIS K7129

Patent core technology, and efficient and accurate testing

The high-precision infrared moisture sensor developed by the top technical team has ultra-high stability, ultra-low failure rate, high sensitivity, and resolution up to 0.0001 g / (m2 · 24h).

The new pneumatic gas control system, automatic clamp one-key lock sample, convenient and labor saving, superior sealing performance.

Automatic temperature and humidity precision control

Temperature control: semiconductor refrigeration sheet two-way automatic control temperature, temperature control accuracy is higher, up to 0.1℃.

Humidity control: double air flow (dry air and moisture air) humidity method automatic humidity control, humidity stability, higher accuracy, can be accurate to ± 1% RH.

Meet the test requirements of high throughput, wide range and high applicability

The instrument is equipped with three cavities, independent data, can meet the high throughput test requirements, high test efficiency.

The test range is wide, and the test limit is as low as 0.002 g / (m2 · 24h), which can meet the test requirements of various high, medium and low barrier materials. Accessories can be installed to measure the water vapor flow of bottles, bags, bowls and other containers.

Excellent appearance, convenient control, real-time visualization of the curve

The console is embedded with an 11.6-inch high-resolution color touch screen, with clear views, touch sensitive and easy to operate.

Delicate 3D printed shell, smooth lines, fashion and beautiful, novel and unique.

Automatic instrument operation, one-key test, automatic judgment, automatic shutdown.

Real-time display of transmission volume-time-temperature-time, humidity-time, flow-time, voltage-time five groups of curves, curve support preview hidden function.

Intelligent operating system, Global Certification

Self-developed intelligent operating system, modular diagram, test process parameters flexibly set, intuitive and convenient operation.

According to the GMP appendix "Computerized System", it has audit tracking function and user multi-level permission setting, which can meet the needs of the pharmaceutical industry for data traceability.

Personalized test report is set on demand, support multiple formats of data output form, support electronic signature, online submission of audit report function.

Offline or online detection

The instrument comes with an operating system, which can be tested independently from the computer and processed with the data automatically. The instrument is equipped with a computer interface, and it can also be connected to the computer for online detection.

Laboratory intelligent iot platform

The instrument can be connected to the Internet of Things platform to realize the network digital management.

Remote authorization and login to the Internet of Things platform can realize the functions of managing experimental data, remote diagnosis and solving faults.

Customers can download the required instruments, documents and operation videos on the platform.

Project

technical parameter

Test specification

0.002~100 g/(m2·24h)

Repetitiveness

0.005 or 2%

Resolution ratio

0.0001 g/(m2·24h)

Temperature control range

15~45℃

Temperature control accuracy

±0.1℃

Wet control range

（5～90）%RH，100%RH

Moisture control accuracy

±1%RH

Through the area

50.24cm²

Specimen size

Φ100 mm

Sample thickness

≤3 mm

Number of samples

Three pieces

Carrier gas

99.999% Nitrogen (user-provided)

Gas load pressure

≥0.1 MPa

Gas flow

5~100 mL/min

Pneumatic pressure

≥0.3 MPa

Outline dimension

700 mm×655mm×390 mm

Weight

55 kg

Power

750 W

Source

AC 220 V,50 Hz

Solutions

 IEC61215

IEC61730

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