Michell Instruments, Inc. - Rowley, MA
Manufacturer
Manufacturer of moisture, dew point & humidity transmitters, handhelds, instruments & calibration systems. Operating pressure ranges up to 6000 psig, outputs include both digital & 4-20 mA. 0perating temperatures from -40 to +140 degrees F. Measurement range from -150 F to +70 degrees F dew point. Nema 4 housing. NIST traceable, certificates included. Accredited calibration available.
catalog.michell.com/category/portable-hygro...

Hygrometers Products
	Easidew Online Hygrometers S8000 Integrale Chilled Mirror Hygrometers S4000 Remote Chilled Mirror Hygrometers More

EdgeTech - Marlborough, MA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of standard & custom hygrometers. Types of hygrometers include chilled mirror hygrometers, aircraft hygrometers, handheld humidity/temperature hygrometers & handheld hygrometers. Chilled mirror hygrometers & handheld hygrometers are also available on rent. Products are NIST traceable & ANSI/NCSL Z540-1 compliant.
Brand Names: EdgeTech
www.edgetech.com/moisture-humidity/gallery

ETA Process Instrumentation - Peabody, MA
Distributor, Manufacturers' Rep, Service Company
Manufacturers rep. & distributor of sensors for indicating & measuring moisture, humidity & liquid level including hygrometers & analyzers of moisture in process & flue gases. Also available are gas analyzers for in-situ (stack or process) measurement, measurement of gas emissions from turbines, diesels, furnaces & power plants.
Brand Names: Chandler Engineering, Fox, Honeywell, Kanomax, Martel, Preso, Racine
www.etaassociates.com/kahn.html

Vaisala - Woburn, MA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of hygrometers to measure relative humidity, temperature & dewpoint. A complete line of wall & duct mount transmitters, portable hand-held meters, intrinsically safe & oem modules available for HVAC, DCV, industrial processes, demanding environments & outdoor applications. Nist traceable. Repair service & accredited calibration available.

Protimeter North America - Billerica, MA
Manufacturer
Manufacturer NIST Traceable Humidity Measuring & Transmitting Instruments For Industrial Process Control: Dryers, Compressed Air, Clean Rooms, Test Cells, Weather Stations. Patented Cycling Chilled Mirror Design Reduces Maintenance

EdgeTech - Milford, MA
Manufacturer, Service Company
Manufacturer Of Environmental Testing Equipment; Calibrating Service

GE Measurement & Control Solutions - Wilmington, MA
Manufacturer
Chilled Mirror Industrial & Laboratory Dew Point Hygrometers With Measurements Of Water Vapor In A Gas. Can Measure Dew/Frost Points From Minus 80 Degrees Celsius To Plus 85 Degrees Celsius

McGrath, E., Inc. - Salem, MA
Distributor
Distributor of portable electronic hygrometers for laboratory applications. Gas analyzers, regulators & monitors, hydrogen purifiers, nitrogen membrane systems & dehumidifiers are also available.
Brand Names: Beckman Industrial

Graybar Electric Co., Inc. - Boston, MA
Distributor, Custom Manufacturer
ISO 9002 certified distributor of electrical & telecommunication products & accessories including batteries, lamps, panelboards, circuit breakers, metal boxes, brushes, cord sets, cables, strut systems, timers, fuses, switches, relays, controls, clamps, lighting fixtures, panels, wire ties, plugs & receptacles, enclosures, dimmers, multimeters, electric outlets, sockets, wiring devices, pipe, wire, ballasts, conduits, contactors, cords, converters, wire & cable cutters, couplings, elbows, fittings, hubs, grips, lugs, sensors, tapes, terminals, tools, relays, transformers, surge protectors, UPS system, & wiring ducts. Also distributes data communication & power conditioning equipment such as network transceivers, voice mail systems, network interface cards, network traffic filters, & network hubs/connectors.

GE Sensing & Inspection Technologies - Billerica, MA
Manufacturer, Service Company
ISO 9001:2000 & Six Sigma certified custom manufacturer of complete range of absolute humidity hygrometers with a combination of features to suit individual needs & budget. In addition, the aluminum oxide moisture probes for sensitivity, speed of response & calibration stability.

The Weather Store - Sandwich, MA
Distributor
Distributor of weather measurment instruments, tide clocks & weathervanes.
Brand Names: Caliber, Lufft, Springfield, Traceable