All Products

Say goodbye to unwanted contaminants and hello to cleaner, purer samples that'll make your results sing. Based on a standardized size of 565 cc, ou...

Combination glass electrode with double junction reference. Non-refillable. For use with the Mark 25. p/n 185-24S

Our L-bracket stands allow you to carry any panel, anywhere.  Each set comes with four brackets. p/n 820946

The Conductivity Preamp is used with the Mark 18 and Mark 20 Water Quality Analyzers to electronically calibrate temperature and conductivity. Stan...

The pH Preamp is used with the Mark 18 and Mark 20. Standard cable length is 10 ft. Additional lengths up to 2000 ft available. p/n 180-24

p/n 182-21SS:    0-100 µS/cm  p/n 182-22SS:    0-1000 µS/cm For use with the Mark 22 Portable Analyzer. Ple...

Martek sensors are built to the most exacting standards. Each sensor comes complete with its own electronic circuitry secured in a separate NEMA 4X...

Combination glass electrode with double junction reference. Non-refillable. We recommend replacing the pH sensor every six to twelve months. p/n 18...

The Martek Mark 24 Degas Cation Conductivity System provides accurate, on-line determination of specific, cation, and degassed conductivity as well...

The Martek Mark 24 Cation Conductivity System provides accurate, on-line determination of specific and cation conductivity values  as well as calcu...

The Martek Mark 24 Ultrapure Water Quality Analyzer provides laboratory accuracy in a multi-channel, multi-parameter on-line instrument for continu...

While most ultrapure water applications utilize a flow-through style conductivity sensor, there are occasions when a sensor needs to be inserted di...

While most ultrapure water applications utilize a flow-through style conductivity sensor, there are occasions when a sensor needs to be inserted di...

Calibrate in style. Purchase the iconic Martek hat which has previously only been available to longtime customers. Currently available in a stylish...

Want or need to accessorize your ion chromatograph? Or simply need to eliminate interfering organics? Try this device on for size.  The sample cham...

The Martek Degas systems represent the pinnacle of degassed cation conductivity measurements. At the heart of these systems is the Reboiler, a smal...