Supplier of replacement pH, ORP, conductivity, dissolved oxygen, ion selective, and biotechnology electrodes and assemblies.

Ion selective probes, cation as well as anion selective probes and instrumentation. Computer and data acqusition hardware.

Manufacturer of trace and percent oxygen analyzers. Full specifications of company products online.

Non-glass pH systems with ISFET silicon-chip sensor technology and ion-selective probes.

Manufactures instruments for the measuring temperature, relative humidity, pressure, light, noise, pH, conductivity and dissolved oxygen.

Manufacturers of pH, ORP and Ion Selective Sensors for difficult process control measurements. ASTI provides complete pH, ORP and ISE loop control systems including analyzers and transmitters, TPC and PID Controllers.

Manufacturers of an Ultra-Stable line of dissolved oxygen, nitrogen and total dissolved air sensors.

Manufacturer of oxygen analyzers, thermoelectric coolers, and carbon dioxide monitors.

A manufacturer of process oxygen analyzers, headspace analyzers, and permeation analyzers.

Manufacturers of dissolved oxygen measurement instrumentation for laboratory use.