335mm Radius Respirator Vision Mask Test Machine GB2626

Respirator Field of Vision Test Machine per EN136 GB2626

MODEL: SM-4313

Respirator Field of Vision Test Machine is used to test the visual field effect of daily protective masks, masks and so on.

SM-4313 test machine, including human head model, arc bow, measurement system, etc.

Testing Scope:Daily protective masks, Respirators and Masks, etc.

Testing Standards:

Specification:

1. Perimetry: semicircle arc: 335mm in radius, which can be rotated around the horizontal radius passing through 0°. There is a scale every 5°from 0°on both sides, and there is a sliding white sight mark on the arc.

2. Measurement method: the recording needle is connected with the sight mark through the wheel axle, and the direction and angle of the sight mark are recorded on the field of vision drawing.

3. Test head mold: a standard head mold with small bulb in the two holes of the head mold. The position of bulb and head mold shall meet the requirements of GB 2890.

4. Left and right visual field: ≤ 120°.

5. The order line of bulb is (7 ± 0.5) mm behind the midpoint of two eyes.

6. Special software system is adopted, which is automatically calculated by computer.

7. Measurement unit of field area: mm².

SANWOOD PRODUCTION

SANWOOD Environmental Chambers was established in 1995, which integrated Taiwan and Japan technologies. We have been focus on the most secure and reliable climatic test chamber technology since established.

OUR EXHIBITION

Our products upgrade constantly and our customers come portable batteries, power batteries, battery, lithium batteries, lead-acid, new energy vehicles, electric bicycles, electric tools, electric systems, solar, military, universities research and other technology industries fields.

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Products are exported to more than 60 countries, such as Russia, Singapore, the United States, Turkey, Denmark, Vietnam, India, Malaysia, Kazakhstan, Austria, Canada, etc.

SANWOOD CULTURE

Sanwood thrived little by little and aims to become the leading brand in the safety and reliability environmental test equipment industry all over the worldber.

Guangdong Sanwood Technology Co., Ltd, founded at 1995, with 25 years manufacturing experience, we are now engaging 100+ workers and 20+ engineers (structure, refrigerant, assembly, quality control, pre-tests), 2 production lines with facility 6,000+ square meters, monthly capability reaches to 120 units which makes annual production capability more than 1,000 units. Products cover the full range of battery cells, modules and packs or even the whole automobile to run the environmental reliability tests.

Achieved national high enterprise reward, certified with ISO9001:2015, ISO14001:2015 and CE certificate, our products are exporting to more than 60 countries and regions, cooperated with top manufacturers in the EV lithium-ion battery industry such as ATL, BYD, CATL, Envision AESC, Farasis, Lishen, Sunwoda, Svolt and major playes in the European markets.

Customer service is as important as product quality, we are planning to build our European sales & service center to further iron our instant and efficient after-sales services for our clients.

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