Technical buffering solutions for pH 4.01, pH 7.00 and pH 10.01: pH 4.01, pH 7.00 and pH 10.01 are available in the practical 50mL bottles as well as in 1L special bottles with dosing device and pour spout.  The buffer 10.0 is a special case: It is only still suitable for…

pH/ORP electrodes are the most commonly used electrochemical sensors. At the same time, they provide the most sensitive measuring signals and must be serviced and calibrated on a routine basis. The concept of IDS sensors precisely takes effect here. Digital data transfer without interferences…

Respirometric OxiTop® measuring system for BOD self check measurement with undiluted samples – measuring ranges up to 4,000mg/l BOD possible Simple handling without dilution series Data security by built-in measured value memory Suitabe for immediate use Complete…

The spectrophotometer photoLab® 7600 UV-VIS combine routine analysis with spectral analysis and pioneering procedure OptRF. Menu-guided operation OptRF for standard parameters COD, NO3, NO2 in the outlet of municipal wastewater treatment plants Multi-layer AQA Application…

Multi 3320: The Environmental Expert The Multi 3320 for measurement of pH, ORP, ISE, conductivity and dissolved oxygen (electro chemical) is a perfect meter for environmental applications in ground and surface water, aqua culture, waste water treatment plants and much more. An integrated ISE…

The WTW MultiLine IDS series of meters are the first of their kind, redefining the way electrochemical measurements are conducted. The innovative, digital technology of the MultiLine IDS series eliminates the need for dedicated meters for specific parameter measurements; now, measuring is simply a…

Membrane-covered galvanic dissolved oxygen sensors to measure in water and waterous solutions - low-maintenance and no polarization time, required For instant measurement Easy air calibration with water vapor saturated air in the calibration vessel User friendly and long operation…

The portable WTW ProfiLine meter series is available in three (3) series versions, the 3110/3205-Basic series, 3210-Professional series and 3310-Advanced series, each with a distinct level of sophistication for the independent measurement of pH, conductivity, or dissolved oxygen. All versions have…

Professional pH/mV/ISE meter with DIN socket, backlit graphic display, for mobile application with data logger and USB interface. Single instrument including instruction manual, CD-ROM and batteries, cable

Evaluation possibility/data transfer to PC for documentation according to GLP with the respirometric OxiTop® Control meter for BOD self check measurement Convenient operation via controller Suitable for large sample volumes - up to 100 parallel samples Time-saving and error-free…

Ion selective electrodes for the electro-chemical concentration determination of selected ions - combined electrodes as well as half cells available. Cost-effective process with few samples Wide selection of electrodes for different ions Easy handling by combined electrodes …

All in one - one for all! photoLab® 7100 VIS of 320 – 1100 nm supports the fastest and affordable routine analysis via barcoded test kits for round and rectangular cuvettes. More than 250 methods are available for water analytics, galvanics and general lab analytics. Special…

The portable WTW ProfiLine meter series is available in three (3) series versions, the 3110/3205-Basic series, 3210-Professional series and 3310-Advanced series, each with a distinct level of sophistication for the independent measurement of pH, conductivity, or dissolved oxygen. All versions have…

GLP functions QA functions Laboratory oxygen meters have a large multifunction display. The inoLab Oxi 7300® and Oxi 7400® meters offers a range of automated functions such as air pressure correction, temperature compensation and OxiCal rapid calibration. The inoLab740…

Robust, membrane-covered galvanic dissolved oxygen sensor for applications in flowing waters, fish hatcheries, aeration basins and more fields. With screw-on protection. The special membranes achieve stable measured values, especially in the aeration basin and similar applications with strongly…

IDS ORP electrodes are used to measure oxidation or reduction potentials in waterous solutions - with integrated temperature sensor Safe measured values due to signal processing in the sensor Integrated temperature sensor NTC 30 kOhm for precise value documentation Best possible GLP…

Nephelometric or transmittance measuring - The nephelometric measurement at 90° scattered light is advantageous for lower turbidity, whereas the transmission measurement at 180° is beneficial for medium to high turbidity values: With increasing turbidity, restray and scattering effects between…

Nitrification inihibitor, light protected bottle with content 25 ml. Concentration 5 g/l allylthiourea.

SenTix®: Standard electrodes with gel and precision electrodes with liquid gel electrolyte for pH measurements in lab applications and in the field Maintenance-free gel reference system across the entire product life Quick repsonse time by good connection to the medium for electrodes…

Conductivity measuring cells with graphite electrodes in two and four pin models for standard measurements in aqueous solutions in the field and in the lab No measuring errors due to cable, polarization effects or changes of the electrical edge field Highest precision and linearity …

WTW offers decades of expertise in high quality, rugged conductivity cell technology, and now the new IDS conductivity cells build upon this proven technology including the automatic transfer of the cell constant feature to eliminate operation errors. Two models are available to cover the entire…

Fluoride standard solution traceable to SRM from NIST NaF in H2O 1000 mg/l F Certipur®.

pH/Cond 3320:  Professional pH/conductivity meter with 2 inputs (DIN, 8 pin socket), backlit graphic display, for mobile application with data logger and USB interface. Single instrument including short instruction manual, CD-ROM and batteries, cable. pH/Cond 3320  SET 2: …