Ernst Instruments

Founded in 1972, Aalborg Instruments & Controls Inc. is a primary manufacturer of precision instrumentation for flow measurement and control. Aalborg Instruments & Controls Inc. manufactures rotameters, mass flow controllers, vortex flow meters, pumps, valves and many other flowmeters. The company also offers accessories, including optical sensor for rotameters, IO signal conditioner, SDPROC microprocessor driven command module, TOT totalizer and PSV-D driver module. The firm has two divisions; The Variable Area Division, which manufactures a diversified line of flowmeters and needle valves and the Electronics Division, which produces state-of-the-art thermal mass flowmeters and mass flow controllers for gases and electromagnetic flow controllers for liquids and gases.

Uehling Instrument Company is a manufacturer of Liquid Level Gauges, Instrumentation and Controls. It also produces high/low alarm systems, float, ultrasonic and pressure switches, panel mounted gauges, alarms with digital/analog displays and computer interface. The company s product line includes standard and custom enclosures for single or multiple gauge and alarm systems rated for NEMA 4 Watertight and NEMA 7 explosion proof classified location application. Headquartered in Paterson, N.J., Uehling Instrument Company is privately owned and employs nearly 10 people.

BGI Incorporated offers in aerosol science and technology, ambient particulate sampling, industrial hygiene, gas sampling and related fields. The company was founded in 1971 for the purpose of developing and manufacturing instruments for the sampling of airborne particulates. Its capabilities range from the submicron fraction (Pollak nuclei counter) to 100 micrometers (high volume samplers). BGI owns patents on a CN counter, the variable resistance calibrator for high volume and a valve for gas sampling bags. Additionally, the company focuses on occupational health, ambient particulate pollution, aerosol generation and toxicology. BGI s products are wide ranging in the aerosol field, including ambient monitoring, industrial hygiene, air flow calibrators, IAQ instruments, BGI cyclones, draeger, filter media and aerosol generation and collection. Its cyclones come in a variety of styles, as well as customized and made-to-order. Headquartered in Waltham, Mass., BGI s facility is ISO 9001:2001 certified.