The HI8733 is a durable, portable EC meter designed for use in areas of production and quality control. It is supplied with a four-ring conductivity ... WhatsApp me if you interested https://m.envirolab.com.my/index.php?ws=showproducts&products_id=4670006

The HI8734 is a rugged, portable TDS meter designed for the water conditioning industry, particularly in the softening, demineralization, revers ... WhatsApp me if you interested https://m.envirolab.com.my/index.php?ws=showproducts&products_id=4670008