Meters & Gauges

GrayWolf Sensing Solutions LLC: Humidity, Dewpoint, Temperature Probe

January 21, 2013
A new probe capable of measuring relative humidity, dewpoint, absolute humidity, specific humidity, wet bulb temperature, and dry bulb temperature is available for the AdvancedSense HVAC/OH/FM/IAQ meters. The small-diameter probe may be directly connected to the AdvancedSense meters via the lower left 7 pin socket.


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E Instruments International LLC: Combustion Gas Analyzer

January 21, 2013
Now available with Bluetooth wireless communication, the portable BTU4400-NOx flue gas analyzer is designed for emissions monitoring, maintenance, and tuning of combustion processes. Its rugged design and “true NOx” capability makes the 4400 an ideal industrial analyzer for boiler, engine, furnace, and other combustion applications.


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Fieldpiece Instruments Inc.: Four-Port Wireless Digital Manifold

December 17, 2012
With four ports and a built-in vacuum gauge on the SMAN4 digital manifold, users can evacuate a system, pull a vacuum, add refrigerant, and dial in the charge without unhooking their manifold. There are three standard ¼-inch ports and one beefy 3/8-inch port with the bore in the manifold being 3/8 inch throughout.


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Fluke Corp.: True RMS Clamp Meters

November 19, 2012
The 320 Series true RMS clamp meters is a complete line of tools engineered to produce noise-free, reliable measurements in the toughest environments. Designed to be long-lasting and easy to use, the 323, 324, and 325 clamp meters are ideal for rugged, all-purpose use.


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Fieldpiece: Hot-Wire Anemometer and Accessory Head

August 20, 2012
Combination hot-wire anemometer and psychrometer accessory head AAT3 gets into ducts easily. It can be used for measurement of air velocity, temperatures, and percent rh. It also calculates wet bulb and dew point. When connected to the HG3 HVAC Guide, it provides data for automatic calculations of target superheat and more.


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Fieldpiece: Psychrometers, Hot-Wire Anemometer

May 21, 2012
With the 38-inch telescoping probe, a line of in-duct HVACR instruments — two psychrometers (SRH3 and ARH5) and a hot-wire anemometer (STA2) — makes it easier for techs to take temperature, percent rh, or air velocity readings in the duct. The standalone STA2 uses a hot wire for measuring air velocity.


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Nielsen-Kellerman: Human Heat Stress Tracker

May 14, 2012
Portable handheld device Kestrel 4400 Heat Stress Tracker fits in a pocket or small belt carrying case and provides accurate waterless wet bulb globe temperature (WBGT) measurements within minutes of exposure to the air. The most common composite measurement used to determine appropriate exposure to heat stress conditions is WBGT.


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Kanomax USA Inc.: Hot-Wire Anemometers

May 14, 2012
Boasting a ±2 percent accuracy rating for air velocity, the Climomaster Series professional-grade hot-wire anemometer features smart probe technology. The technology allows a variety of probes to be used interchangeably with a single main unit.


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General Tools & Instruments: Gun-Style Infrared Thermometer

May 7, 2012
Easily and accurately measuring surface temperatures — including hot, cold, or inaccessible equipment — is the 12:1 point-and-shoot, gun-style wide-range infrared thermometer IRT657. It offers a broad measurement range of -40° to 1,076°F (-40° to 580°C).


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Crafting an Effective Rule for Tools

February 20, 2012
Tool policies should be reviewed at least annually to confirm that contractors and technicians are both satisfied with the arrangement, as well as to ensure that everyone is clear on who provides which tools and what the rules are for broken, lost, or stolen tools.


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