Roken-style mask fitting tester "MT-05 type"

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last updated：Jul 08, 2021

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It is a device that determines the rate of dust intrusion into the mask based on the dust concentration inside and outside.

The "MT-05 type" is a device that determines the dust penetration rate (leakage rate %) into the mask by measuring the dust concentration on the outside and inside of a mask worn by an individual. It tests the daily wearing condition of the selected mask in fit check mode. The test uses airborne dust from general indoor environments. For those who are already using a mask, it can be used to assess the selection and suitability of the mask. 【Usage Examples】 ■ Selection of N95 masks or similar that fit one's face ■ Educational guidance on proper mask wearing techniques ■ Measurement of the protection factor of respiratory protective equipment used in handling environments such as indium and refractory ceramic fibers ■ Fit check of the mask before entering the worksite while wearing the mask *For more details, please refer to the PDF document or feel free to contact us.

Related Link - https://www.ihdc.co.jp/

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basic information

【Specifications (Excerpt)】 ■Item Code: 080200-07 ■Model: MT-05 ■Measurement Target: Evaluation of the adherence between the mask and the face ■Measurement Items: Particle count and leakage rate, protection factor ■Measurement Principle: Particle count concentration by laser light scattering method ■Target Particle Diameter: Selectable from 0.3μm or more, 0.5μm or more, 0.3 to 0.5μm ■Measurement Time: Standard, 10 seconds each for mask outside and mask inside purge, 3 seconds for each measurement (total approximately 26 seconds) ■Suction Flow Rate: 1 L/min ■Operating Environment: Leakage rate, protection factor calculation function, heating tube temperature control function, dryer function, RS-232C output function ■Operating Environment: 0–40°C, 30–90% rh (provided there is no condensation) ■Main Unit Protection Device: Fuse tube (5.2×20mm, 3.15A for AC250V) ■Power Supply: AC100–240V, 50/60Hz, approximately 0.5A ■Main Unit Dimensions and Weight: 210(W)×240(D)×232(H)mm (excluding protrusions)・approximately 3kg *For more details, please refer to the PDF document or feel free to contact us.