The Bresle Test will measure contamination of water-soluble salts and corrosion products on blast-cleaned steel.

The RF-IT and CE-IT test above and below ground pipeline insulators.

Developed for ease of use and to prevent outside and cross contamination.

The Oakton conductivity pocket testers stand up to everyday use and harsh environments.

One high accuracy multi-range sensor measures four parameters (Conductivity, TDS, Salinity and Temperature)

Developed for ease of use and to prevent outside and cross contamination.

The Model SR-2 is a very accurate resistance meter with a digital display.

This instrument is a portable digital meter to measure low resistances over the range 0.001Ω to 200Ω.

Learn more about methods for the detection of soluble salts with this helpful video.

The Laquatwin series are compact water quality meters fully water and dust proof that measure at the touch of a button.

More responsive than a glass electrode, these pencils are used for determining the pH of any surface.

The pH 700 and 2700 Series benchtop meters designed for today's crowded and demanding laboratories.

The Laqua pH Electrodes are a variety of electrodes used with pH meters for many types of applications.

Flat Surface pH Electrode and Heavy Duty pH/mV Temperature Meter.

Flat surface electrode allows "on the spot" measurements of liquid, semi-solid, or solid samples.

Waterproof pH Meter with big digit LCD display in rugged housing with a choice of stick or cabled pH Electrode.

This instrument is a versatile, convenient and accurate spear-tip pH tester.

Special pH Electrodes specifically designed for paints and come complete with soaker bottle, a 3 foot cable and BNC connector.

The pHTester 30 features a large display screen and has up to ±0.01 pH accuracy.

Unique pH electrode uses a flushing mechanism into reference junction assembly of a standard epoxy or glass body pH electrode.

The Waterproof EcoTestr pH Po2+ is a pocket pH meter that makes water quality testing easier.

The Extech SDL100 is a pH meter, ORP Meter and Temperature Datalogger records data on an SD card in Excel® format.

Measure % concentration of oxygen in air & parts per million dissolved oxygen in aqueous solutions.

The pHTestr BNC is waterproof, dustproof and has microprocessor-based, all push-button operation.

The microprocessor-based ORPTestr® is ideal for oxidation-reduction (redox) tests.

An article written by Decagon Devices, Inc. about water activity.