by Ashtead Technology Ltd
Rugged and reliable, the YSI 556 MPS water quality analyser (Multi probe system) combines the versatility of an easy-to-use, easy-to-read handheld unit with all the functionality of a multi-parameter system. Featuring an IP-67, impact resistant case, the YSI 556 MPS simultaneously measures dissovled oxygen, pH, conductivity, salinity, temperature ...