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IoT solution Total corona countermeasure CO2 monitoring solution for public, educational, large-scale facilities, and chain stores-Total corona countermeasure CO2 monitoring solution
IoT solution Total corona countermeasure CO2 monitoring solution for public, educational, large-scale facilities, and chain stores-Grape System Co., Ltd.

IoT solution Total corona countermeasure CO2 monitoring solution for public, educational, large-scale facilities, and chain stores
Grape System Co., Ltd.


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■What coronavirus countermeasures are required for “facilities where everyone can feel safe”

What kind of coronavirus countermeasures are effective in public, educational, large-scale facilities, and other places where people gather? The Expert Meeting on Novel Coronavirus Infectious Disease Control has recommended that ``appropriate ventilation'' is necessary to reduce the risk of infection in ``closed spaces with poor ventilation,'' which is one of the risk factors. The Grape System proposes three points and countermeasures for "appropriate ventilation".

■Selecting the appropriate CO2 sensor is important

Is installing a commercially available CO2 sensor sufficient as a countermeasure against coronavirus? Many inexpensive CO2 sensors cannot measure CO2 concentration correctly, and even sensors that cost tens of thousands of yen may not have sufficient accuracy or measurement frequency. Also, in places where many people gather, communication for data collection may not be possible. Therefore, selecting the appropriate sensor is one of the important points in CO2 monitoring.

■Being able to see at a glance whether or not ventilation is required and where countermeasures are required

In a facility that is used by many people, it is necessary for everyone to be able to easily check the current status and see at a glance whether or not ventilation is required and where measures need to be taken so that everyone can use the facility with peace of mind. Additionally, since it is expected that sensors will be added or the installation location changed, one point to consider is whether it will be easy to respond to the addition of sensors or change of installation location.

■Alerts at the right time

If the CO2 concentration is high, measures such as ventilation are required. It is necessary to be able to alert facility managers to corrective actions at appropriate times and frequencies, and to monitor whether corrective measures are being implemented correctly. CO2 monitoring alone is not enough to prevent coronavirus. Coordination with other monitoring is also required, such as monitoring crowding conditions using cameras, etc.

■Actual situation of CO2 sensors

Research has shown that many commercially available inexpensive CO2 sensors react with alcohol and other substances and cannot accurately measure CO2 concentration. (CO2 sensor survey conducted by the University of Electro-Communications) Therefore, in November last year, the Ministry of Economy, Trade and Industry issued a notification titled "Guidelines for the selection of carbon dioxide concentration measuring instruments," which states that CO2 sensors should be selected for corona countermeasures. Minimum requirements for sensors are specified.

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    IoT solution Total corona countermeasure CO2 monitoring solution for public, educational, large-scale facilities, and chain stores

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1 Models of IoT solution Total corona countermeasure CO2 monitoring solution for public, educational, large-scale facilities, and chain stores

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Total corona countermeasure CO2 monitoring solution

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