pH Meters and Electrodes Products & Reviews

Standard portable pH/mV meter with a robust and durable design for measuring in the laboratory, in-line, or in the field.

Ergonomic and budget-friendly benchtop conductivity meter with intuitive design and removable sensor holder.

Ergonomic and budget-friendly portable pH meter for mobile applications in the laboratory, at-line, or in the field. 

Dual-channel portable pH/Ion/Conductivity meter for maximum measurement accuracy, security, and application flexibility in the laboratory, at-line, or in the field.

Ergonomic and budget-friendly portable conductivity meter for mobile applications in the laboratory, at-line, or in the field.

Polycarbonate resin is adopted to enhance shock resistance and chemical resistance, creating a tough body that is endurable even in harsh environments. The intuitive and natural operability of LAQUAact, combined with a "Versatile" ability, brings a dynamic measurement experience. Features Automatic pH calibration up to 5 points using NIST, USA or Custom pH buffers 0.01 pH resolution Offset and slope…

Touch panel realizes stress-free operation. Intuitive, and very easy to use.

Two-channel pH meter for routine use in the laboratory and on the road. Two-channel pH meter for routine use in the laboratory and on the road. Laboratory and measuring instrument in one with all features such as IP67, alternative accumulator operation and much more. Clear colour display with two-channel output (multilingual) and all important information at a glance Security in everyday work through sensor quality sy…

The 914 pH/Conductometer is an easy-to-use measuring instrument for routine operation in the laboratory and on the road. pH (or mV) and conductivity (or TDS, salinity) and temperatures can be measured in parallel and output to a large colour display. Important information such as charge state, quality of the calibration, calibration interval, etc. can also be clearly viewed at a glance. A PIN-protected expert mode protects the…

The Autolab RDE is a high-end rotating disk electrode for measurements on systems where high rotation speed and low noise are required.

Combined pH electrode with flexible easyClean diaphragm and fixed cable (1.2 m) for all non-aqueous acid/base titrations. The glass membrane is optimized for poorly conducting solutions, and thanks to the easy-to-clean easyClean diaphragm, the electrode is also well suited for heavily contaminated samples, such as used oil. This electrode can be used with non-aqueous reference electrolytes (lithium chloride or tetraethylammo…

Silver/silver chloride reference electrode with Double-Junction System, installation length 10 cm. The standard ground-joint 14/15 enables easy assembly, and the flexible ground-joint diaphragm, which is insensitive to contamination, can be replaced at any time. The reference electrolyte and the bridge electrolyte can be selected freely according to use, and are easy to replace. This sensor is supplied without electrolyte fil…

In addition to pH, voltage, and temperature measurement, the 780 pH Meter also offers an automatic stirrer control, a multi-point calibration with up to nine buffers, a method memory, and various monitoring functions. 

Screen-Printed Platinum Electrode (Aux.:Pt; Ref.:Ag). Suitable for working with microvolumes, for decentralized assays or to develop specific sensors.

Intuitive operation and improved user interface Large LCD guides user with plain-language prompts and error messages Display indicators keep you apprised of menu choice, measuring units, buffers standardized (in pH mode) and temperature No cryptic icons to learn: prompts and status/error messages are displayed in plain language Store up to 100 datapoints in nonvolatile memory Selectable resolution to 0.1, 0.01 or 0…

This competitively-priced, dual channel and dual display pH/DO meter is easy to set up and use while providing reliable measurement of pH and dissolved oxygen for water testing applications. The rugged meter features enhanced stability indicators, salinity correction and automatic barometric pressure compensation and offers a full complement of GLP-related features—including available 21 CFR Part 11 software option. Selectable…

All WTW Technical buffers are certified accurate and are NIST/DIN traceable   The new buffer bottles from WTW: easy to dispense easy to use reliable calibration

The pH/mV and ionmeter pH/ION 340i offers the highest degree of flexibility possible. For pH measurements the instrument can be calibrated manually or automatically and offers simultaneous display of pH and temperature. For measurements with ion-selective electrodes the pH/lON 340i offers concentration display in mg/l. Direct display in mV to ±999.9 mV in 0.1 mV steps; and to ±1999 mV in 1 mV steps. Of course, even in these…

These high-performance benchtop multimeters can measure conductivity, oxygen, pH, salinity, specific resistance, and TDS (total dissolved solids). Features include graphic display, five-point calibration by linear regression, freely selectable buffer sets, graphic evaluation capability, a built-in digital plotter, connection for bar code reader or PC, user selectable languages, acoustic alarm to limit input, and multi-level G…

Laboratory grade plastic pH strips in durable and easy to open flip-top vials. Easy-to-use — simply dip strip in solution to be tested and match to color chart immediately Single color match with full 0.5 in. (1.27cm) matching area for quick and accurate matches Flip-top vial stays closed when dropped, but is easy to open with one-hand Sturdy vial keeps strips safe from the elements Full pH range (0.0-14.0) is av…

This addition to the Oakton EcoTestr product line features updates to make measuring water quality easier and faster. The display is larger with a better viewing angle, has indicators for battery life, readiness, and calibration, and shows both the parameter and temperature readings at the same time.

Lightweight, highly accurate, portable humidity calibrator  

Magnesium Ion Selective Electrode sensor

Membrane replacement saves time and the expense of electrode replacement — ideal for continuous or frequent sample analysis. The durable outer epoxy body is ideal for field applications and the PVC membranes are color coded for easier identification. To sense a new ion, interchange membranes of the same type. Simply replace the worn membrane without removing any other component of the electrode. The replaceable membrane is not…

HI-5221 is a customisable advanced research grade benchtop pH/mV meter. This meter features a large colour LCD, capacitive touch keys and USB port for computer connectivity. pH calibration is available for up to five points and the CAL Check features ensures accurate pH readings every time by alerting the user to potential problems during calibration including if the buffer is contaminated or the probe needs to be cleaned.