WTW

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 allows...

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...

Electrodes 4258A53 electrode allows ORP measurements to be performed with all WTW pH/mV meters. Requires 4258A57 cable for use with Inolab Meters.

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 procedures for...

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 a...

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

Phosphate standard solution traceable to SRM from NIST KH2PO4 in H2O 1000 mg/l PO4 Certipur®.

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 packages for 6 or 12...

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 Long-term stable...

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 support by...

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 inoLab®...

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 routine...

Chloride standard solution traceable to SRM from NIST NaCl in H₂O 1000mg/l Cl Certipur®

The WTW universal bridge electrolyte is a critical item to have in chemical laboratories to enhance the performance of various experiments and analysis.

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 time The...

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 include terminal, PC...

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 WTW offers a complete...

The FDO® 925’s small dimensions make it suitable for lab and process . The flow-free, easy-to-clean, beveled membrane allows it to be used in containers with low sample volumes. Low oxygen concentrations under 1 mg/l can also be detected accurately. The fast and flow-free FDO® 925 is...