Xylem Products

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 Read more...

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 wi... Read more...

The inoLab® benchtop meters of WTW, Weilheim, Germany, have been relaunched in April 2004. pH, DO, conductivity and multi-parameter instruments show not only a new colour but also enhanced functions and additionally, the family will h... Read more...

pH 315i, pH 330i, pH 340i Robust Waterproof (IP 67) Large silicone keys WTW handheld pH meters are optimized for use on-site and field use, but can also be used in the laboratory. In particular the pH 340i, with its o... Read more...

New in the VARIO family of WTW: The VARIO Cond has a lot to offer – at an excellent price. This economically designed meter is ideal for use in process control monitoring or anywhere a small, accurate meter is needed. The VARIO is small, ... Read more...

Turb 430 IR is a new portable turbidity meter from WTW , designed for use in the measuring range from 0 – 1100 NTU/FNU. Fully compliant to DIN EN 27027/ISO 7027, the instrument is optimized for applications demanding high mobility, e.g.... Read more...

WTW has reworked and improved the premium photometers photoLab S6 and S12. The Reference Beam Technology of the WTW filter photometers can technically hardly be topped, especially by the resulting stability and accuracy of measuring. There... Read more...

Looking for a portable but precise conductivity measurement to fulfil USP 27 regulations on pure water? For this purpose WTW , Weilheim, Germany, offers the Cond 340i , a precise hand held conductivity meter. It is a instrument inclu... Read more...

WTW offers a wide range of Ion-Selective Electrodes and instruments. Series 500 electrodes are used in combination with a separate reference electrode. And now WTW introduces our Series 800 quality combination ISE’s ! These preci... Read more...

High-performance laboratory conductivity meter with graphic display and digital recorder function, parallel display of temperature and automatic temperature compensation. A built-in datalogger and a real-time clock allows for all QA confor... Read more...

Routine laboratory conductivity meter with large multifunctional display, parallel temperature display and automatic temperature compensation. 68 °F or 77 °F (20 °C or 25 °C) can be set as reference temperature. Both TDS and salinity measu... Read more...

Standard laboratory conductivity meter with large multifunctional display, parallel temperature display and automatic temperature compensation. The datalogging capability and the real-time clock allows for all GLP functions. Data output ca... Read more...

CR 2200 is ideal for anyone who needs to perform routine water analysis tests with small sample amounts, as 5 programs are available for digestion of 12 sample cuvettes at 212, 248 and 298.4 °F (100, 120 and 148 °C). Read more...

In addition, you can program the CR 3200 to carry out 8 of your individual digestions at freely selectable temperatures up to 338 °F (170 °C). Read more...

CR 4200 is the right choice for anyone who needs to perform multiple tests simultaneously, such as COD (298.4 °F/148 °C) and total-N (248 °F/120 °C), as the two thermoblocks for 12 cuvettes each can be controlled separately. It also has me... Read more...

Simply multiple: Multi 350i with combined conductivity/oxygen sensor ConOx The new Multi 350i from WTW, Weilheim, Germany, is a must for anyone who wants to have a versatile high precision multiparameter instrument. In combination with ... Read more...

Portable Measuring: Environmental monitoring, process control and water analysis with pHotoFlex, pHotoFlex Turb and Turb 430 IR WTW has developed a new line of field instruments based on optical measurement, designated pHotoFlex, pHotoF... Read more...

Biochemical oxygen demand (BOD) determination is still one of the most important parameters in water resource management. It can be used to evaluate the impact of biodegradable substances in waters and waster water. With its OxiTop &... Read more...

Complete packages for 6 or 12 simultaneous measurements Measurement using OxiTop ® is based on pressure measurement in a closed system: microorganisms in the sample consume the oxy-gen and form CO 2 . This is absorbed by NaOH, cre... Read more...

Complete package for 6 or 12 simultaneous measurements – For a larger number of samples and with simple sample measurement OxiTop ® Control is the logical further development of the successful OxiTop ® system using software... Read more...

common features Simultaneous sample management with option of grouping up to 100 OxiTop ® -C measuring heads. Data call-up of one parallel sample with statistical evaluation and as individual data. Automatic calculation and graph... Read more...

Instead of the display and keys, the OxiTop ® -C measuring head has an infrared interface with which it communicates with Controller OC 100 or OC 110. By "e;pointing"e; the controller at an OxiTop ® -C measuring head it c... Read more...

Stirrers IS 6 and IS 12 have been specially developed for BOD measurement with the OxiTop ® system. Software-controlled speed regulation prevents the magnetic stirrer bar from getting caught or wobbling. The speed is selected so... Read more...

Determination of anaerobic degradation processes: biogas determination Anaerobic degradation processes take place in the absence of oxygen. In order to be able to fill the gas space above the sample with inert gas the measuring bottle h... Read more...

Microbiological growth and stress investigations: determination of the respiration rate (aerobic/anaerobic measuring operation) The use of special measuring bottles with a septum sealed nozzle allows the inter-ference-free addition of ... Read more...