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Hanna Instruments GroLine Waterproof Pocket pH/EC/TDS/Temperature Tester
All-in-one handheld tester for monitoring pH, nutrients, and water quality in hydroponic and agricultural systems.
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Advanced Benchtop pH/ORP Meter
High-precision benchtop pH and ORP meter with advanced data logging and diagnostics.
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Milwaukee® Waterproof 3-in-1 pH/ORP/Temp Meters
Precision instruments made for repetitive use in student field investigations.
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Milwaukee® Economical Portable EC Meters
Rugged, reliable meters designed for educational outdoor experiments.
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Milwaukee® Pro Portable pH/EC/TDS Meters
Multi-parameter meters engineered for student use in real world testing environments.
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Aquasearcher™ AB33M1 Bench Meter, Ohaus
Easy-to-use and accurate multi-parameter benchtop meter.
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Advanced pH Meter Kit, Sper Scientific
Reads either pH (in 0.01 resolution) or mV in large digits, with time, date, and temperature (in °C or °F) shown simultaneously on the lower display.
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HALO2 Wireless Field pH Tester, PEI Body
Our HALO2 Wireless Field pH Tester has a durable PEI body and spherical sensing bulb, perfect for use in the field.
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pH and ATC Pens, Large Display, Sper Scientific
Easy to carry, simple to operate and sufficient for most field pH tests.
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edge® pH/ORP Meter
Sleek, versatile pH and ORP meter designed for laboratory, classroom, or field use.