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this device features a large
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and long-lasting battery life
Measures positive
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YSI ProQuatro Multiparameter Meter Days:16 this device features a largeThe 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
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