YSI Pro Plus w/Quatro Cable  (pH-DO-Cond-Temp-Sal-ORP-Baro)
Operation Manual
Product Specs
ItemDailyWeeklyMonthly
YSI Pro Plus Handheld Only $57 $133 $380
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4M Quatro Cable $103.50 $241.50 $690
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20M Quatro Cable $105 $245 $700
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30M Quatro Cable $108.75 $253.75 $725
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Flow Thru Cell $22.50 $52.50 $150
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The YSI Professional Plus handheld multiparameter meter provides extreme flexibility for the measurement of a variety of combinations for dissolved oxygen, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature.

The new Quatro cable attached to the Pro Plus allows you to utilize 4-ports to measure temperature/conductivity, DO, and any two ISEs among pH, ORP, ammonium, chloride, or nitrate creating an extremely powerful handheld multiparameter instrument.