Precision Metrology - Milwaukee, WI (Serving Illinois)
Distributor, Service Company
Woman-owned ISO 9001:2008 & ISO/IEC 17025 certified. Stocking distributor of measuring devices including anemometers, flowmeters, hygrometers, manometers & photometers. A2LA accredited.
Brand Names: CDI, Dorsey, Fred V. Fowler, SPI, Starrett, Tohnichi, Tru-Stone, Wisconsin
www.precisionmetrology.com/NewTools.asp

B & B Instruments, Inc. - Locations
Distributor, Custom Manufacturer, Service Company
Distributor of NIST traceable chilled mirror hygrometers, aluminum oxide sensors, -130 degrees Fahrenheit dew point & +300 degrees Fahrenheit process temperatures.
Brand Names: EdgeTech
www.bbinstruments.com/temperature_transmitt...

M & M Control - Antioch, IL
Distributor, Manufacturer, Custom Manufacturer, Service Company
Distributor of a wide variety of electronic, pneumatic & self-actuated valves & controls for process & HVAC applications including controllers, regulators, gages, meters, sensors & valves for temperature, flow & pressure.
Brand Names: Altek, Armstrong, Ashcroft, Barber Coleman, Barber-Colman, Blancett, Dwyer, Flo-tech, General...
www.mmcontrol.com/Control_instrumentation.p...

Humboldt Mfg. Co. - Schiller Park, IL
Distributor, Manufacturer, Custom Manufacturer
Manufacturer of hygrometers. Specifications of hygrometers include plus /-3 percent accuracy & 20 percent to 85 percent relative humidity. Hygrometers are available with 5 1/4 in. black metal cases.
www.humboldtmfg.com

IFG Instruments, Inc. - Barrington, IL
Distributor, Manufacturer, Custom Manufacturer
Manufacturer of hygrometer elements for precise indication.
mechanicaltimeswitches.ifginstrumentsinc.co...

Seedburo Equipment Co. - Des Plaines, IL
Distributor, Manufacturer
Manufacturer & distributor of hygrometers including thermo, mason & digital hygrometers. Suitable for controlling effects of humidity & temperature in seed storage rooms, walk in germinators or coolers & grain drying rooms. Sixty days warranty.
Brand Names: Delmhorst
www.seedburo.com/

Powers Controls Valves & Process Regulators Dist. - M & M Control - Antioch, IL
Distributor, Custom Manufacturer, Service Company
Regulators, valves, controls, controllers & instrumentation.
Brand Names: Crane Powers, Landis & Gyr, Powers, Powers Process Controls, Powers Regulator, Siemens, Watts
www.mmcontrol.com/commercialhome.php

Taylor Precision Products - Oak Brook, IL
Distributor, Manufacturer, Custom Manufacturer
Manufacturers & Dists. Of Thermometers, Scales & Other Measuring Instruments For Use In Industrial, Commercial Supply, Food Service, & Consumer Markets. Products Include: Weather Stations, Hygrometers, Psychrometers & Other Meteorological Equipment

Davis/Inotek - Bensenville, IL
Distributor, Manufacturer, Custom Manufacturer
100,000 Test, Measurement, Process & Control Instruments. NIST Traceable Calibration & Certification, All Performed In Compliance With ISO-9002, ISO Guide 25-17025 Standards. A Complete Line Of High-End Used & Rental Test Equipment

Grainger Industrial Supply - Locations
Distributor
Distributor of a very wide range of test instruments including bolometers, durometers, hygrometers, manometers, leak detection meters, air meters, analog meters, battery meters, electronic meters, turbidimeters, hour meters, light meters, megohmeters & accessories. Services include 24-hour emergency order response services, inventory management services, safety services, repair and replacement programs, hazardous recycling services and storage/material handling equipment services. 1 year warranty.

Barco Products Company - Batavia, IL
Manufacturer
Manufacturer of hygrometers.

Premium Instruments Co. - Elmhurst, IL
Distributor
Portable Wall Mounted