Elmetron
Oferujemy wysokiej jako¶ci przyrz±dy pomiarowe do pomiarów fizyko-chemicznych. pH-metry, konduktometry, jonometry, tlenomierze, termometry, wilgotno¶ciomierze do powietrza oraz grubo¶ciomierze
http://elmetron.com.pl/

Jenco Instruments
Jenco Instruments is an ISO9001 certified manufacturer of water quality meters and instruments such as pH meters, ORP meters, conductivity meters, TDS meters, dissolved oxygen meters, ion meters and temperature meters
http://www.jencoi.com

Elmetron
Manufacturer of high quality pH meters, conductivity meters, ion meters, thermometers, humidity meters and thickness gauges.
http://www.elmetron.com.pl/ang

Anter Corporation
Anter Corporation manufactures thermal properties analyzers to measure thermal expansion and shrinkage, thermal conductivity and resistivity, thermal diffusivity and specific heat capacity of a wide range of materials. This site lists the most frequently used models from a diverse line of standard and custom devices, as well as information on our In-house testing services and other useful data. Feel free to complete our Request for Particulars form so that we may send you information on the models that best suit your needs.
http://www.anter.com/

Topac Conductivity Meters and Probes
Directory page for temperature, conductivity, and salinity meters and probes with various cell constants, RS232 and mains or battery power
http://www.topac.com/conductivity_directory.html

Milwaukee Meters
Milwaukee pH,EC,TDS Testers, ORP,Dissolved Oxygen Meters,Refractometers,Colorimeter,Martini pH,DO,Bench Meters, Scientific Instruments,Turbidity Meter,Lux Meter,Colorimeter Photometers,Thermometers
http://www.milwaukeemeters.com.au/

Hukseflux Thermal Sensors
Hukseflux specialises in the design of thermal sensors for the measurement of heat flux and thermal conductivity.
http://www.hukseflux.com/

Analyticon Instruments Corporation
Analyticon Instruments Corporation - Lab Equipment Sales of titrators, pH meters, DO and conductivity, residual chlorine and water quality meters and other analytical instruments and Process Equipment.
http://www.analyticon.com/

Thermo Orion
Thermo Orion's line of products includes pH electrodes, pH meters, ion selective electrodes (ISE), ion selective meters, colorimeters, conductivity and dissolved oxygen (DO) meters, cells, probes, accessories, and solutions.
http://www.thermo.com/com/cda/category/category_lp/1,2152,15546,00.html

Geneq, Inc. - Environmental Monitoring Catalog
index by department -- environment
http://www.geneq.com/catalog/env_en.htm