pH and Multi-Parameter Meters
These rugged pH and multi-parameter meters accurately provide the quick water quality measurements essential for electrochemistry research. Choose from compact benchtop or portable pen-styles to fit laboratory or field environments. Efficient dual or multi-parameter technology simultaneously determines different substance levels. The simple user interface shows prompted instructions on high resolution displays. Store the calibrations of potential hydrogen or oxidation reduction with memory storage capability. Incorporating waterproof construction, pH and multi-parameter meters endure harsh environs.
Applied Filters
ExStik® pH100 Meter
Flat electrode surface allows pH readings in liquid flms, semi-solids, and solids.
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Oakton® pH 700 Benchtop pH Meter
Designed for today's crowded laboratory benchtops!
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Pocket pH Meter with Case
Portable for easy, convenient carrying into the field, this pocket-sized meter features a digital display and is equipped with automatic temperature compensation.
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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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Milwaukee® Basic Waterproof TDS Testers
These durable TDS testers feature a replaceable electrode and are ideal for student use in the classroom and field environments.
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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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Oakton® Waterproof pHTestr3+
The double junction electrode is ideal for dirty water, heavy metals, sulfides, tris buffers, and organics. The tester also features a pH and temperature readout toggle, automatic temperature compensation, and a replaceable sensor.
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Milwaukee® Economy pH Tester
Compact and easy to use-ideal for students to learn the basics of pH in the classroom.
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HALO2 Wireless General-Use pH Tester
The HALO2 Wireless General Use pH Tester has a refillable glass body and spherical glass sensing bulb made for users that prefer a low-maintenance laboratory-grade pH electrode.
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Milwaukee® Economy TDS Testers
Compact and easy to use-ideal for students to learn the basics of TDS in the classroom.
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Milwaukee® Basic Waterproof pH Testers
These durable pH testers feature a replaceable electrode and are ideal for student use in the classroom and field environments.
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Milwaukee® Pro Waterproof pH and Temperature Testers
With a long-lasting design, these 2-in1 testers are a smart choice for student experiments in both the classroom and field applications.
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Hanna Checker® Plus pH Tester
Top Seller! Designed to bring simplicity to pH testing during the any process, the HI98100 Hanna Checker® Plus pH Tester is designed for direct measurement. A replaceable electrode extends the life of your digital pH tester.
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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.

