Water Testing
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ExStik Meter
Available ExStik Meter Versions: Conductivity Meter | Waterproof pH Meter | ORP Meter | Refillable pH Meter | Chlorine Meter
The ExStik Conductivity/TDS/Salinity Meter has a high-accuracy multi-range sensor measures four parameters, including conductivity, TDS, salinity and temperature. Simultaneous display of conductivity...
Starting At: $89.99
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ExStick II pH/mV/Temperature Meter

(2 Reviews) Combination rugged flat surface pH electrode with autoranging high accuracy Conductivity cell. Features: 9 units of measure: pH, µS/cm, mS/cm, ppm, ppt, mg/L, g/L, °C, °F Analog bargraph... MORE INFO
Your Price: $149.99
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ExStick II pH/mV/Temperature Meter Kit
Combination rugged flat surface pH electrode with autoranging high accuracy Conductivity cell. Features: 9 units of measure: pH, µS/cm, mS/cm, ppm, ppt, mg/L, g/L, °C, °F Analog bargraph... MORE INFO
Your Price: $179.99
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ExStik Conductivity/TDS/Salinity Kit
The ExStik Conductivity/TDS/Salinity Kit features all calibration standards and comes complete with sample plastic cups and a carrying case for extra convenience. The waterproof meter features one... MORE INFO
Your Price: $129.99
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ExStik I and II Dissolved Oxygen (DO) Meter 3ft Extension Cable
Use this 3' Extension Cable with ExStik and Extik II Dissolved Oxygen Meters to measure in solutions that are hard to reach. This unit features a Probe Guard/Weight to help keep electrode submerged and... MORE INFO
Your Price: $59.99
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ExStik II Dissolved Oxygen Meter

(1 Review) Stores up to 25 data sets with DO and temperature reading. Easy to replace screw-on membrane cap with optional extension cables. Includes DO electrode, protective sensor cap, spare membrane cap, electrolyte,... MORE INFO
Your Price: $299.99
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ExStik II Dissolved Oxygen/pH Conductivity Kit
The ExStik II Dissolved Oxygen/pH Conductivity Kit is an easy to use kit that economically measures 6 parameters supporting water, wastewater, groundwater, aquaculture and fisheries professionals.... MORE INFO
Your Price: $409.99
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ExStik 4 in 1 Water Quality Meter Kit - Chlorine, pH, ORP, and Temperature
The ExStik 4-in-1-water quality test kit includes a number of useful accessories and provides measurements of Chlorine (Cl2 ), pH, ORP, and Temperature. See the full list of included accessories below.... MORE INFO
Your Price: $229.99
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Extech ExStik II Dissolved Oxygen Meter Kit
Toss it in your bag and take it with you! The ExStik® II is small enough to carry in the field. It can show you the oxygen level of any body of water as % saturation or concentration. Adjustable... MORE INFO
Your Price: $349.99
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Extech General Purpose pH/Ref Probe
The rugged, polycarbonate construction of this Extech General Purpose pH/Ref Probe provides improved protection against breakage, as does the glass pH sensing bulb surrounded by protective teeth. ... MORE INFO
Your Price: $68.50
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Extech Heavy Duty Dissolved Oxygen Meter w/ 13' Cable
The Extech Heavy Duty Dissolved Oxygen Meter provides oxygen concentration and temperature readings on a large LCD display, and comes equipped with a temperature probe sensor built into polarographic... MORE INFO
Your Price: $419.99
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Extech Oyster - 16 pH,mV,Temp Meter w/ pH,Temp with pH Probes & Case
This feature-rich meter can be used in the lab or in the field, and is designed with a wide range of useful functions. View the full list of features below. Features: Oyster-10 Mini pH electrode... MORE INFO
Your Price: $259.99
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Extech Oyster -15 Digital pH, mV, and Temperature Meter with pH Probe & Case
This Extech Oyster 15 Digital pH, mV, and Temperature Meter comes with a pH Probe and a handy carrying case. It is packed with features, detailed below. Features: Oyster-10 Mini pH electrode ... MORE INFO
Your Price: $209.99
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Extech pH / Conductivity / TDS / ORP / Salinity Meter, Oyster Series
This Extech ph / conductivity / TDS / ORP / salinity meter features a mini pH electrode and Polymer conductivity cell. It has a large LCD built into adjustable flip-up cover displays measurement... MORE INFO
Your Price: $459.99
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Extech pH / mV / Temperature Meter, Oyster Series
This Extech pH / mV / temperature meter can be used in the lab or in the field. It has a large LCD built into adjustable flip-up cover that displays pH or mV and temperature simultaneously.... MORE INFO
Your Price: $179.99
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Extech Portable Dissolved Oxygen Meter
This Extech portable dissolved oxygen meter is a 9-in-1 meter with lab performance. It can measure Dissolved Oxygen concentration/saturation, pH, mV, Conductivity, TDS, Salinity, Resistivity and Temperature.... MORE INFO
Your Price: $629.00
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Extech Waterproof Conductivity Kit
This Extech waterproof conductivity kit is a 7-in-1 Meter with lab-quality Performance. Measures Conductivity, TDS, Salinity, Resistivity, pH, mV and Temperature.Features: Measures Conductivity,... MORE INFO
Your Price: $449.99
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Extech Waterproof Fluoride Meter, ExStik® II
This Extech waterproof fluoride meter provides a direct reading of flouride down to 0.1ppm.Features: First Fluoride meter with built-in Automatic Temperature Compensation Fastest response... MORE INFO
Your Price: $199.99
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Extech Waterproof Palm pH Meter
The Extech Waterproof Palm pH Meter is built with a number of useful features and a big digit LCD display. The rugged housing provides improved durability. A cabled PH electrode is available for purchase... MORE INFO
Your Price: $159.99
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Extech Waterproof pH / mV / Temperature Kit
This Extech waterproof pH / mV / temperature kit is a 3-in-1 meter with lab-quality performance. Measures pH, mV, and Temperature at your workbench or in the field.Features: Waterproof housing... MORE INFO
Your Price: $249.99
Extech Water Testing Equipment
Extech has developed sophisticated water testing equipment for domestic and commercial water supplies including water quality meters, ph meters and temperature meters. These water quality tests identify the harmful levels of different common contaminants in drinking water, swimming pools, aquarium water and much more!














