Hanna Instruments are the market leader in environmental measuring instrumentation. They manufacture and supply a wide range of products including: Chemical Dosing Pumps, Chemical Test Kits, Colorimeters, Conductivity meters, Dissolved Oxygen meters, DPD Chlorine meters, Food Thermometers, Humidity meters, Magnetic Stirrers, pH meters with pH electrodes and Turbidity meters. While the catalogs of most pH and TDS manufacturers in our industry read like pamphlets with only a handful of products, the Hanna catalog is more the size of a telephone book. They have a huge selection of products that are used by individuals and companies all over the world. Their HI9813-6 combo meter has become an industry standard, while their Checker and Primo pH and TDS pens are the number one choice for economy and accuracy.
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- GroLine Waterproof Portable pH/EC/TDS/Temperature Meter SKU #: 8776was $264.95 Special Price $225.00
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- Quick Cal Solution Solution for GroLine pH and EC Meters - 20 mL Sachet SKU #: 8778was $1.80 Special Price $1.44
- GroLine Replacement Electrode for HI9813 Portable pH/EC/TDS/Temperature Meter SKU #: 8777was $180.00 Special Price $144.00
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- Quick Cal Solution Solution for GroLine pH and EC Meters - 230 ml SKU #: 9515was $20.00 Special Price $16.00
- Quick Cal Solution Solution for GroLine pH and EC Meters - 500 ml SKU #: 9516was $24.00 Special Price $17.25
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- GroLine pH/EC/TDS Multiparameter Probe for the HI981420 GroLine Monitor SKU #: 12899was $200.00 Special Price $149.00
- Groline HI1285-9 Multiparameter pH/EC/PPM In-line electrode SKU #: 12960was $335.00 Special Price $268.00
- GroLine 1413 µS/cm Conductivity Standard with Certificate - 230ml SKU #: 12961was $20.00 Special Price $16.00
- GroLine Shockproof Green Rubber Boot for HI9814 Combo Meter - Gen 2 Round Model SKU #: 13055was $41.95 Special Price $29.95
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- GroLine Continuous Nutrient Monitor and Datalogger w/Inline Probe SKU #: 11980was $585.00 Special Price $468.00
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- Groline Direct Soil and Soilless Media pH electrode for HI9814 SKU #: 14849was $250.00 Special Price $200.00
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