Flat Surface pH Electrode

Water Quality Meters

Water quality meter can measure thirteen parameters: pH, ORP, temperature, dissolved oxygen, conductivity, total dissolved solids (TDS), salinity, resistivity, specific conductance, ammonium, nitrate, chloride, and barometric pressure.

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pH Meter

ExStik® PH100 - Extech Instruments Corporation

Meter with flat surface electrode for fast and easy on-the-spot pH measurements. The waterproof ExStik® PH100 pH meter by Extech is an accurate, rugged and reusable stick pH meter with some unique data storage features that make it exceptionally easy to use and considerably enhance its usability. The flat surface electrode allows you to measure pH in liquids, semi-solids and solids and limits electrode breakage and clogged junctions.

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ExStik® 3-in-1 Chlorine, pH, Temperature Kit

Extech EX800 - Extech Instruments Corporation

The Extech EX800 ExStik 3-In-1 Kit includes the CL200 meter and pH electrode, reagent tablets (50 tests), four plastic cups, a weighted stand, pH buffer pouches, four CR2032 batteries, 48 inch neck strap, carrying case, and user manual. The meter measures Total Chlorine, pH, and Temperature with interchangeable flat surface electrodes that are included. Flat surface electrodes work in liquids, semi-solids and solids. Built-in memory can store/recall up to 15 readings and save the last calibrated value. It has a large 3-1/2 digit (2000 count) digital display with a bargraph and an automatic electronic self-calibration function for Chlorine (1, 2, or 3 point buffer calibration for pH).

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ExStik® Chlorine Meter - Direct Reading of Total Chlorine down to 0.01ppm

Extech CL200 - Extech Instruments Corporation

CL200 is an ExStik® Chlorine Meter. This revolutionary technique measures Direct Total Residual Chlorine from 0.01ppm to 10ppm. It makes non-subjective measurements unaffected by interferences associated with traditional colorimeters and spectrophotometers like sample color, turbidity, light, and pollutants. This product comes with an electrode, five packs of 10 reagent tablets (50 tests), a protective sensor cap, a sample cup with cap, four CR2032 batteries, and a 48” neck strap.

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Portable Turbidity Meter

Extech TB400 - Extech Instruments Corporation

TB400 is a Portable Turbidity Meter that tests water, food, beverages and other aqueous solutions. Meter comes complete with all the accessories to conveniently test the turbidity of municipal water, food and beverage water, and other aqueous solutions where fluid clarity is important. Portable design allows you to take measurement on-site instead of bringing solution back to the lab. Measures up to 1000 NTU (Nephelometric Turbidity Unit) with 0.01 NTU resolution. Complete with 0 NTU standard solution test bottle, 100 NTU standard solution test bottle, cleaning solution (distilled water), (2) test bottles and covers, cleaning cloth, six AAA batteries, and hard carrying case.

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Waterproof ExStik® Fluoride Meter

Extech FL700 - Extech Instruments Corporation

Specifically designed for the quick and accurate measurement of fluoride ions in drinking water and other aqueous samples, the ExStik FL700 incorporates a sensing electrode, measuring electronics, and display in one convenient package, making this unit ideal for field or laboratory testing. The FL700 is capable of direct reading of total fluoride from 9.99 ppm or mg/L down to 0.1ppm, and the meter provides automatic temperature compensation (±10 degrees C of calibration temperature). Complete with electrode, TISAB reagent tablets, sensor cap, four 3V button batteries, and 48" (1.2m) neckstrap.

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Compact Conductivity/TDS Meter

Extech EC210 - Extech Instruments Corporation

Compact handheld Conductivity Meter with long life carbon rod combination electrode measures Conductivity, TDS and Temperature. Units of measure include μS/cm, mS/cm, ppm, °F, and °C. The meter features three ranges for Conductivity and TDS plus adjustable Temperature compensation factor to maintain accuracy.

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Conductivity/TDS/Temperature Meter

Extech EC150 - Extech Instruments Corporation

The EC150 is a Conductivity/TDS/Temperature Meter. Waterproof meter with high-accuracy multi-ranging sensor. Features Auto Power off with disable, Adjustable Conductivity to TDS ratio factor from 0.4 to 1.0, Data Hold and low battery indication. Waterproof design to withstand wet environment, meets IP65 standard. Includes meter, protective sensor cap, and four LR44 button batteries.

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Conductivity/Temperature Meter

Extech EC100 - Extech Instruments Corporation

EC100 is a Conductivity/Temperature Meter. Waterproof meter with high-accuracy multi-ranging sensor. Features Auto Power off with disable. Units of measure include µS/cm, mS/cm, ppm, ppt. Featuring Adjustable Automatic Temperature Compensation. Includes meter, protective sensor cap, and four LR44 button batteries. Conductivity standards sold separately (required for calibration).

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ExStik® Conductivity/TDS/Salinity Kit

Extech EC410 - Extech Instruments Corporation

EC410 kit includes EC400 ExStik® Conductivity/TDS/ Salinity Temperature Meter, with sensor, protective cap, three calibration standards, (30mL bottle each), weighted base, 3 sample plastic cups, with caps, four 3V CR-2032 batteries, 48 in. (1.2 m) neck strap, and carrying case. Autoranging meter offers 3 ranges of measurements from tap water to wastewater and any aqueous solution. Automatic Temperature Compensation of 2% per °C. Data Hold, Auto Power Off and low battery indication. Internal memory stores up to 25 labeled readings for easy recall.

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ExStik® Conductivity/TDS/Salinity Meter

Extech EC400 - Extech Instruments Corporation

The Extech EC400 ExStik® features six units of measure, internal memory that stores up to 15 labeled readings for easy recall, adjustable conductivity to TDS ratio factor from 0.4 to 1.0, and self-calibration upon power up. The EC400 incorporates the latest microprocessor chip technology and patented sensor technology to enable the simultaneous measurement of conductivity, TDS, salinity, and temperature. With the touch of a button the EC400 allows you the flexibility of interchangeable cell constants and has made the job of testing fast, accurate, and repeatable. Complete with meter and Conductivity cell, protective cap, sample cup, four CR2032 batteries, and 48"(1.2m) neckstrap.

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ExStik® II DO/pH/Conductivity Kit

Extech DO610 - Extech Instruments Corporation

Measures Dissolved Oxygen, pH, Conductivity, TDS, Salinity and Temperature

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Portable Dissolved Oxygen Meter

Extech DO700 - Extech Instruments Corporation

The 9-in-1 DO700 Kit measures DO concentration/saturation, pH, mV, Temperature, Conductivity, TDS, Salinity, and Resistivity. It features automatic salinity compensation and manual barometric pressure compensation for DO measurements. In addition, it has automatic one button calibration of 4, 7 and 10 pH with a choice of three-point calibration for better accuracy and it provides automatic temperature compensation. Complete with DO probe, pH/mV/Temp electrode, polymer Conductivity cell, pH and Conductivity calibration solutions, batteries and hard carrying case.

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Salinity/Temperature Meter

Extech EC170 - Extech Instruments Corporation

The EC170 is a Salinity Meter with Waterproof design (IP65). Measure salinity in aquaculture, environmental studies, ground water, koi ponds, irrigation, drinking water and other applications. Features a High accuracy multi-ranging sensor and Auto Power off with disable. Autoranging with 2 ranges of measurement. Data Hold, Auto Power Off and Low Battery Indication. Complete with salinity sensor, protective sensor cap, and 4 LR44 button batteries.

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Waterproof ExStik - Combination Flat Surface pH Electrode with Autoranging High Accuracy Conductivity Cell

Extech EC510 - Extech Instruments Corporation

The EC510 is a conductivity testing kit. Kit includes EC500 meter, 3 calibration standards, 3 pH buffer pouches plus rinse solution, 3 cups, batteries and carrying case. Measures 5 parameters including conductivity, TDS, salinity, pH and temperature using one electrode. Analog bargraph indicates trends. Memory stores up to 25 labeled readings. Adjustable Conductivity to TDS ratio from 0.4 to 1.0; 0.5 fixed Salinity ratio.

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Waterproof ExStik® II pH/Conductivity Meter

Extech EC500 - Extech Instruments Corporation

The EC500 is Conductivity/TDS/Temperature Meter. Measures 5 parameters including Conductivity, TDS, Salinity, pH, and Temperature using one electrode. Analog bargraph indicates trends. Memory stores up to 25 labeled readings. Waterproof meter with high-accuracy multi-ranging sensor. Features Auto Power off with disable. Complete with meter and electrode, protective cap, sample cup, four 3V CR-2032 batteries, and 48" (1.2m) neckstrap.

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Waterproof pH/mV/Conductivity/TDS/Salinity/Temp Meter

Extech EC600 - Extech Instruments Corporation

The 7-in-1 EC600 Kit measures Conductivity, TDS, Salinity, Resistivity, pH, mV and Temperature. It has automatic one button calibration of 4, 7 and 10 pH with a choice of three point calibration for better accuracy and it provides automatic temperature compensation. One point conductivity calibration automatically recognizes eight calibration solutions from USA, Europe, and China. Memory stores up to 300 readings with series number, measured value and temperature. The meter has a large, blue, backlit LCD display screen with an auto power off function with disable that saves battery life. The IP57 waterproof housing protects it from the elements. Complete with pH/mV/Temperature electrode, polymer Conductivity cell, pH and Conductivity calibration solutions, batteries and hard carrying case.

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Compact Dissolved Oxygen Meter

Extech DO210 - Extech Instruments Corporation

The DO210 is a Dissolved Oxygen Meter which measures DO from 0 to 20.0mg/L, Oxygen Percent from 0 to 100.0% and Temperature with ATC. This meter features Adjustable Altitude and Salinity Compensation as well as min, max and data hold functions. Complete with DO probe with membrane and 39" (1m) cable, two spare replacement membranes, electrolyte, 9V battery and soft case.

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Dissolved Oxygen Meter/Datalogger

Extech SDL150 - Extech Instruments Corporation

The SDL150 records data on an SD card in Excel format. Dual backlit display of Oxygen Concentration and Temperature. Measures dissolved oxygen from 0 to 20.0mg/L and 0 to 100.0% oxygen plus temperature from 32 to 122°F (0 to 50°C). Automatic Temperature Compensation from 0 to 50°C via temperature probe sensor built into polarographic type oxygen probe. Offset adjustment used for zero function to make relative measurements. Stores 99 readings manually and 20M readings via 2G SD card. User programmable sampling rate. Built-in PC interface. Min/Max and Data Hold functions, Auto power off. Complete with 6 x AA batteries, SD card, probe, two spare replacement membranes, electrolyte, and hard carrying case.

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Waterproof ExStik® II Dissolved Oxygen Meter

Extech DO600 - Extech Instruments Corporation

The ExStik® II DO600 meter displays Oxygen level as percent of Saturation from 0 to 200. 0 percent or Concentration from 0 to 20.00 ppm (mg/L). It features Adjustable Altitude Compensation (0 to 20,000 feet in 1,000 ft. increments), Adjustable Salinity Compensation from 0 to 50 ppt and an analog bargraph for indicating trends. DO600 meter includes a DO electrode, protective sensor cap, spare membrane cap, electrolyte, four 3V CR-2032 batteries, and 48" (1.2m) neck strap.

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Heavy Duty Dissolved Oxygen Meter

Extech 407510 - Extech Instruments Corporation

407510 is a Heavy Duty Dissolved Oxygen Meter with PC interface. Recall Min, Max and Average readings. Featuring Data Hold and a Built-in RS-232 PC serial interface with optional data acquisition software and data logger. Auto power off saves battery life. DO measurements from 0 to 20.0 mg/L. Complete with 0.8" (20mm) diameter probe on 13ft (4m) cable, 5 membranes, rubber holster, 9V battery and hard case.

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Flat Surface pH Electrode

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