Dwyer Instruments, Inc.    Michigan City, IN 46361
Jan 21, 2010 Series 670 Fume Hood Monitor continuously senses air flow through face of fume hood, ensuring safe levels of fresh air are exhausting potentially hazardous fumes. Featuring hot-wire sensor to detect low flows common on fume hoods, it also includes LED safe and alarm status indicators, audible alarm with temporary or permanent horn silence, relay alarm output, and input for night set-back. Mounting bracket, 2 in. of tubing, and 120 Vac power adapter are included.

ifm efector, Inc.    Exton, PA 19341
Feb 09, 2007 Designed for rotational speed applications up to 18,000 pulses/min, programmable M18 Monitor offers pulse output for monitoring rev/min and switching outputs that would indicate under-speed and over-speed conditions. Four-wire, dc unit provides 12 mm non-flush sensing range with 3-LED status display. Receiving external pulse train from single position sensor, DIN-rail mountable speed monitor evaluates pulse frequency, rotational speed, linear speed, and machine cycles.

E + E Elektronik GmbH      Austria
Dec 15, 2005 OMNIPORT 20 utilizes pluggable sensing probes that facilitate configuration of unit for various applications and measuring ranges. Measurable HVAC and process parameters include relative humidity, temperature, dew point temperature, absolute humidity, mixing ratio, air velocity, water activity in oil, and water content in oil. Along with backlit display, product features thumbwheel navigation and is suited for use in harsh industrial environments.

Kernco Instruments Co., Inc.    El Paso, TX 79927 7338
Feb 24, 2005 Model DT-2235 hand-held LCD Digital Tachometer comes with accessories to measure rotational and lineal speeds up to 10,000. Solid-state and battery operated model comes with memory feature to retain last reading for recall purposes. Unit weighs 10 oz, measures 6¾ x 2-7/8 x 1½ in., and operates off 4 AA batteries for approximately 20 hr of continuous operation.

TSI Inc., Flowmeter Div.    Shoreview, MN 55126
Sep 23, 2003 Air Velocity Probe Model 8592 lets users of Q-TRAK Plus IAQ Monitor measure air velocity at diffusers, in ductwork, and at fume hood faces. Velocity measurements are displayed in real-time along with temperature, humidity, CO, and CO₂. Data can be stored and downloaded using TRAKPROâ„¢ Data Analysis Software.

EMS    St. Louis Park, MN 55416
Jan 04, 2002 Speed Sentry control system monitors speed of conveyor systems, motors, process systems, or any moving target. It can take pulse input from any NPN or PNP type sensor, such as inductive proximity, optical detector, ultrasonic proximity, magnetic proximity, Hall effect, encoder, and mechanical switch contacts. It has auto learn mode so that no complicated calculations regarding rpm need to be made. Setpoints are programmed in percent of speed.