Palmer Wahl began as America's first thermometer company in Cincinnati, Ohio, in 1836. Since then we have steadily evolved manufacturing quality industrial temperature, pressure, test and calibration instruments including: fixed and portable thermal imaging cameras; fixed and portable infrared thermometers; temperature calibrators; bimetal, dial, industrial and laboratory thermometers and thermowells; pressure gauges; temperature recording labels; temperature and pressure recorders; hand held RTD and TC meters and probes; dataloggers; megohmmeters and ohmmeters. Calibration services available. ISO 9001:2000 Certified.