The YSI ProDSS (digital sampling system) is a portable water quality multiparameter instrument for the measurement of several critical parameters - dissolved oxygen (optical), turbidity, pH, ORP, conductivity, specific conductance, salinity, TDS, resistivity, TSS, ammonium, ammonia, chloride,…

Sixteen ounces of liquid for frequent calibration needs Highest accuracy available Units labeled (micromhos/millisiemens, ohms, parts per million/TDS) Includes step-by-step calibration instructions and temperature chart 100% compatible with all makes of equipment …

Pocket-sized ISE meter with interchangeable sensor modules Waterproof design with rubberized housing Automatic shut-off and low battery indicator Memory saves calibration values and stores up to 15 readings Chlorine and pH also display sample temperature PockeTester…

Compact footprint is over 40% smaller than other benchtop meters Large display permits easier readout viewing Datalogging allows you to store and recall up to 100 data sets The easy-to-use, microprocessor-based pH 700 benchtop meter measures pH, mV, relative mV, and temperature. The…

Meets EPA Method 180.1 Single-standard RapidCal™ calibration offers the simplest solution for low-level measurements Single-step verification and on-screen assisted calibration eliminates the need to reference complicated manuals Optional USB module enables simple data transfer. All data…

Common Features: Stainless steel probe stores dry and needs no maintenance Durable ISFET silicon chip sensor eliminates problems with fragile glass bulb sensors Ideal for most applications You can now choose a probe that best fits your pH testing needs General Purpose…

Correlated and direct reading in one easy-to-read meter Accuracy up to ±2% of reading Interchangeable scales to customize applications Extremely low pressure drops for procedures with critical pressure values Precision valves Each meter includes correlation charts…

This density meter is easy to grip and control even when you're wearing thick work gloves. The narrow 1" (2.5 cm) depth lets you maneuver in tight spaces. Meter features a pipette-style pump for good sample flow control — no bellows or bulb to rupture and leak. To draw in a sample,…

Economical pH Bench Meter for Basic Laboratory Applications After more than a century of perfecting the art of measurement through our durable weighing products, OHAUS precision is now available in a line of benchtop pH meters. Starter 2100 is the economical choice for applications requiring…

Thermo Scientific Orion Star A111 pH Benchtop Meters combine simplicity with accuracy. A large LCD displays pH or mV readings along with temperature. Icons provide quick updates on battery life, electrode status and calibration information. Simple button layout and onscreen messages help with…

PCSTestr™ 35, PCTestr™ 35 and PTTestr™ 35 Mutiple measurements in one instrument Displays measured value along with temperature — simply press a key to toggle between pH, conductivity, TDS, and salinity where applicable Waterproof, dustproof housings float …

Thermo Scientific Orion Star A211 pH benchtop meters are easy to use, dependable laboratory meters with advanced features and functions. Selectable read modes and stability indicator give you flexibility and control over your testing. All critical data is shown with your measurements including…

Measures multiple parameters Stores up to 25 data sets Waterproof to IP67 The PockeTester pH/Conductivity tracer measures five parameters including conductivity, TDS, salinity, pH and temperature using one electrode. Units of measure are pH, µS, mS, ppm, ppt, mg/L, g/L,…

The Thermo Scientific Orion Star A329 pH/ISE/Conductivity/RDO/Dissolved Oxygen Portable Meter is the top choice for advanced multiparameter measurements on location. Get the information you need quickly and easily from the large, backlit graphic LCD display. Informative display can show each…

Density2Go Two Choices Made for use in the lab and on-the-go, the Densito and DensitoPro are perfect for all applications: from quality control of incoming goods to at-line quality assurance of intermediate or final products. Temperature compensation factors correct the…

Designed for your water applications, the Hach HQ40d portable meter is an advanced meter that takes the guesswork out of measurements. HQd™ meters connect with smart probes that automatically recognize the testing parameter, calibration history, and method settings to minimize errors and…

Auto-ranging from 0 to 1000 NTU Waterproof and dustproof Accurate, repeatable measurements The T-100 turbidity meter is for monitoring turbidity in chemical, food and industrial application. This lightweight portable meter features an IP67 housing for protection against water and…

Traceable to NIST standards Accuracy: ±0.25% 100% compatible with all makes of equipment For use in the lab and the field Single-use standards eliminate concerns about external container contamination. Each container is labeled for calibrating conductivity…

Achieve professional results at an economical price! The microprocessor-based pH 6+ meter gives you high accuracy and reliability. Use this meter to take pH, mV and temperature measurements. The millivolt readout lets you take ORP readings. Meter includes a protective rubber boot that also acts as…

Features three-point push button calibration High accuracy ATC Self-diagnostic messaging Non-volatile memory Double-junction polymer sensor Three waterproof pHTestr® models provide highly accurate measurements over a range of -1.0 to 15.0 pH. Large dual-display LCD offers enhanced…

pH/ORP/ISE, EC/TDS/Resistivity/Salinity/Seawater Specific Gravity, Turbidity, DO, Temperature and Atmospheric Pressure Rugged, waterproof and easy to use, the HI 9829 is the ideal meters for field measurements of lakes, rivers and seas. Both meters display 1 to 12 parameters simultaneously…

Micro 100 Turbidimeters (9591F01 and F04) Auto ranging: 0-1000 NTU Auto alert calibration prompt Simple calibration procedures RS 232 output Response time of less than six seconds Instruments sense turbidity level of sample and automatically adjust to the appropriate measurement range.…

Features high functional range IP67 water and dust proof 4 pre-assigned and 1 free definable buffer group Large display for easy reading The SevenGo portable pH meter is available as a stand alone unit or in a variety of kits. The unit is designed for mobile pH measurement. The SevenGo…

3 meters in 1! This meter allows you to measure pH, EC (conductivity) and TDS with just one instrument and one single probe! The MW802, with a conductivity range that goes up to 6.00 mS/cm and the TDS up to 4000 ppm is ideal for testing in crop production. Soil and well water pH that is too…

Replaceable cap membrane Removable stirring mechanism Interchangeable design Simplifies measurement operations Use with standard 300 mL BOD bottles; no need for external stirring devices. Improved membrane life assures measurement consistency and speeds maintenance. Probe accuracy…

The SevenCompact™ S230 conductivity meter is the perfect choice for a wide range of applications. Not only does it measure conductivity but also various other parameters such as salinity, resistivity, total dissolved solids and conductivity ash. The instruments are ideally suitable for…

Built-in Smart chip offers advanced functions and features to a stick style pH meter not found anywhere else RENEW feature that tells you when it's time to replace your pH electrode CAL feature that tells you when it's time to recalibrate your meter Flat Surface pH electrode that is…

Best value for an IP67-rated waterproof meter Intuitive, user-friendly icons--electrode status displays pH slope Grip-Clip holder quickly and easily secures the electrode to your beaker Expanded data logging for up to 150 data sets mV offset for calibration of ORP standards,…

Controls and directly indicates flow rate of gas or air Meter body, 25 x 25 x 95 mm high, is transparent acrylic plastic block with aluminum support frame, mounted on acrylic base. Cylindrical, tapered bore contains ball float. Metric scale is fused on face of block. Multi-tapered manual control…

Backlit, rugged waterproof meter is ideal for any environment Intuitive, user-friendly icons--electrode status displays pH slope Grip-Clip™ electrode holder quickly and easily secures electrode to side of beaker or container USB or RS-232 output for up to 500 data sets …

Thomas No. 1207Q53 SevenExcellence™ pH/mV Professional and Flexible SevenExcellence™ pH/mV meter redefines flexibility and also offers various measurement parameters in one meter. It not only measures pH and ORP with classical sensors, but also supports pH measurement with ISFET…

Calibrate your equipment for maximum accuracy Reagent-grade secondary standards Traceable to NIST standards 1,000, 10,000, 50,000 and 100,000 µmhos/cm Each bottle includes detailed instructions and a table of corrections at temperatures between 20 and 30°C. Packaged…