What types of sensors are used with automated swimming pools systems components in south africa?

However, these systems need good visibility conditions and may not be able to recognize the drowning of many people in the area of a recreational pool or in a thermal water pool. The addition of a small optical sensor to the most commonly used pool bracelets is a practical solution for both visitors and pool staff. The growing interest in water sports and the construction of many new pools raise the problem of pool safety.