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Look no further than PETROFLAG CAL
it can easily handle your basic power needs
Invest in this essential kit today and experience the peace of mind that comes with accurate readings every time
and long-lasting battery life
Measures positive
YSI ProQuatro Multiparameter Meter Days:16 Look no further than PETROFLAGThe YSI ProQuatro Multiparameter Meter is a handheld device specifically designed for field work, offering precise measurements of various combinations including dissolved oxygen, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH ORP combination, ammonium (ammonia), nitrate, chloride, and temperature. With its ultra rugged components and IP 67 rating, this instrument can withstand even the harshest