Reviews on Digital Equipment

Combination pH / ORP and Temperature Tester

Combination pH / ORP and Temperature Tester

The newest member to HANNA® Combo series of combination waterproof testers with advanced functions is HI 98121, designed for simultaneous pH and ORP measurements. HI 98121 also reads temperature, which is continuously displayed on the dual level LCD. An encapsulated external stainless steel sensor, positioned in close proximity to the…

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Combo pH - EC - TDS - Temperature Tester

Combo pH - EC - TDS - Temperature Tester

The HI 98129 Combo waterproof tester offer high accuracy pH, EC/TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements. The waterproof Combo (it even floats) has a large easy-to-read, dual-level LCD and automatic shut-off. pH and EC/TDS readings are automatically compensated for…

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DiST 5 Waterproof (Low Range) EC/TDS/Temperature Tester

DiST 5 Waterproof (Low Range) EC/TDS/Temperature Tester

The original DiST (Dissolved Solids Tester) was first introduced in 1986 by HANNA®. Since then, Conductivity and Total Dissolved Solids measurements have never been easier. DiST's ease-of-use, in combination with its affordability, made it the standard in EC and TDS measurement. HANNA® continues the tradition of innovation with the DiST…

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Hanna Instruments Checker Iodine Colorimeter

Hanna Instruments Checker Iodine Colorimeter

Easier to use and more accurate than chemical test kitsModified DPD method Accuracy ±5% of reading ±0.01 ppm (mg/L) 0.1 ppm (mg/L) resolution (250 points) Large, easy to read digits Auto shut-off.Dedicated to a single parameterDesigned to work with HANNA’s powder reagents Uses 10 mL glass cuvettes.Small Size, Big ConvenienceWeighing…

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Hanna Instruments Checker Iron Colorimeter

Hanna Instruments Checker Iron Colorimeter

Easier to use and more accurate than chemical test kitsPhenanthroline method Accuracy ±0.04 ppm (mg/L) ±2% of reading 0.01 ppm (mg/L) resolution (250 points)Large, easy to read digits Auto shut-off.Dedicated to a single parameterDesigned to work with HANNA's powder reagents Uses 10 mL glass cuvettes.Small Size, Big ConvenienceWeighing a mere…

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Hanna Instruments Checker Phosphate Colorimeter

Hanna Instruments Checker Phosphate Colorimeter

Easier to use and more accurate than chemical test kitsAdaptation of Standard Method 4500-P E Accuracy 4% ±0.04 ppm (mg/L) of reading 0.04 ppm (mg/L) resolution (250 points) Large, easy to read digits Auto shut-offDedicated to a single parameterDesigned to work with HANNA’s powder reagents Uses 10 mL glass cuvettes.Small…

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Hanna Instruments Digital Seawater Refractometer

Hanna Instruments Digital Seawater Refractometer

Designed for Research Grade AnalysisHANNA‘s HI 96822 Digital Refractometer is a rugged portable, water resistant device that utilizes the measurement of the refractive index to determine the salinity of natural and artificial seawater, ocean water or brackish intermediates. The HI 96822 benefits from HANNA‘s years of experience as a manufacturer…

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pH Controller and Probe

pH Controller and Probe

pH controller with standard plug socket support, .1 resolution, includes AC adapter. Calcium Reactors require CO2 in order to function properly. This controller will turn OFF the CO2 feeding the reactor when the pH level drops below the desired set point. Plants require CO2 during the day when the lights…

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Phosphate Photometer w 890 nm LED

Phosphate Photometer w 890 nm LED

Phosphates are particularly important for the growth and development of plant roots, and hence are one of the most common fertilizers used in agriculture. In addition, phosphates are usually utilized in detergents and are needed, in small quantities, for heating systems. However, high concentrations of phosphates can cause environmental pollution:…

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TDS Meter - Digital

TDS Meter - Digital

Pocket Size TDS Meter, HM Digital. The smallest and lightest TDS meter on the market. Sleek design is perfect for personal or consumer use. Advanced microprocessor technology. Hold Function: saves measurements for convenient reading and recording. Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve…

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