Bluelab Conductivity Pen – Waterproof EC, TDS & Temperature Meter | ATC | Made in NZ Milwaukee accessories These lab-grade 22mm cuvettes are

These lab-grade 22mm cuvettes are engineered for optimal optical clarity and accurate light transmission in colorimetric and turbidity measurements with Hanna portable photometers and turbidity meters

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HM Digital HM-200 TDS/EC Meter (primary)

Automatic Temperature Compensation (ATC) from 0-50°C (32-122°F)

Dimensions: 20" x 4

Bluelab Conductivity Pen – Waterproof EC, TDS & Temperature Meter | ATC | Made in NZ Milwaukee accessories These lab-grade 22mm cuvettes areBluelab Conductivity Pen Waterproof EC, TDS & Temperature Meter An accurate and reliable conductivity (EC) and temperature pen for serious growers. The Bluelab Conductivity Pen (SKU: PENCON) measures nutrient levels and temperature to help you create the optimal nutrient environment for plant growth. Maintaining the right EC prevents nutrient burn and stunted growth keeping your crops healthy and your yields high. Factory calibrated and ready to use