Mask Fit Advisor MFA-01 1 piece

The sensor detects the difference in pressure fluctuations inside the mask and displays the result based on a unique algorithm. It is also ideal for daily management and supervision by safety managers. Not only can managers check whether the mask is being worn correctly, but daily checks also allow the wearer to understand the correct state of wearing the mask, making it a habit and becoming a part of it. Measurement time is only 30 seconds! It can be easily checked "anytime," "anywhere," and "by anyone." It can be used by anyone, from experienced workers to those with little experience. All you need is a space the size of a paperback book. Small and lightweight portable model. Only 300g, compact enough to carry in a special pouch. You can check the mask fit even at work sites that change regularly, at work sites where you are seconded, or in a small space. Can be used continuously with dry cell batteries (AAA) for approximately 3 months/6 hours per day Airflow resistance: Measurable mask airflow resistance value/20-80 Pa (sensor operating range: 10-100,000 Pa) Accessories: 1 sensor probe / 1 sensor connection cord 1.0m Power supply: 2 AAA batteries External dimensions: 168 (W) x 120 (D) x 26 (H) mm *excluding protrusions Weight: Approx. 300g Operating temperature range: 0℃ to 45℃