HOYT Instruments are designed for the extremes of MARINE ENVIRONMENTS. Very popular for marine applications, the CK-910/920/and 930 Series panel meters are low cost and have 5% accuracy. (read more)

Proportional Velocity Flow Meters, PV Flow Meters from The Oilgear Company. A 'PV Meter' is a flow meter that will handle problem fluids that damage other meters. Our PV Meter (Proportional Velocity) will pass sand, grit, stones (up to 0.25" diameter in our smallest meter), bits of wood or rubber, and suspensions that could stop and damage other meters. (read more)

Simultaneous Display of Fc or Lux plus Choice of Lighting Type - Tungsten / Daylight, Fluorescent, Mercury or Sodium

• Wide foot candle (fc) measuremnt ranges (200, 2000, 5000 Fc) with up to 0.1 Fc resolution
• Lux ranges (2000, 20000, 50000) with 1 Lux resolution
• Microprocessor assures maximum possible accuracy (± 4% + 2d of full scale) and provides special ... (read more)

Honeywell 98200 Series maintenance/hour meters keep an LCD readout of elapsed time in hours and tenths. An internal battery keeps the display visible at all times. Every 50 hours, the meter displays a maintenance reminder for service. Potential applications include commercial lawn equipment; mowers, compressors, and generators; small engine vehicles and equipment; ... (read more)

Yokogawa Corporation of America is a world leader in switchboard metering devices. As a global manufacturer of meter products for over 75 years, they are able to incorporate decades of experience into the design and development of this high quality product. (read more)

Duct Flow Meters for Air & Gas

Rheotherm flow sensing probes for duct gases are easy to install and provide long-term service with little or no maintenance. The output can be in mass, standard volume or velocity units. Options for hazardous locations (intrinsically safe/explosion-proof) are available. (read more)

Our line of High Sensitivity Digital Optical Power Meters provides a complete solution for laser power and other optical power measurements with detectable signals of 5nW to 1W (sensor dependent) at wavelength ranges of 400nm to 1100nm and 700nm to 1800nm. Our optical power meters are shipped with the measurement sensor and console which is equipped with an RS232 interface and analog output. (read more)

An Article to help explain how to measure light. (read more)

With its advanced multi-point flow measurement technology, the versatile Multi-Mag Flow Meter from McCrometer offers exceptional accuracy and ease-of-use over a wide flow range under rugged conditions that include the presence of sand and grit in converting raw ground water to potable drinking water. (read more)

McCrometer announces the availability of the Marsh Single-Mag™ Flow Meter, a superior cost-effective solution for accurately measuring liquid flows in closed conduits. The Marsh Single-Mag is a proven solution for demanding water flow measurement needs and is easy to install, maintain and use. (read more)