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Alnor Instrument Company is a leading brand of instruments for the measurement of indoor environments including air velocity, volume, pressure, and temperature.
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 AirGard® Air Flow Monitors
Alnor® AirGard® Air Flow Monitors measure the exhaust of bio-safety cabinets and other hoods using a remote probe inserted in the air flow stream of the exhaust duct. The AirGard 350CEM and 315BSC Air Flow Monitors continuously monitor and indicate air flow levels in critical environments. Both models feature wide velocity ranges to accurately measure air flow across HEPA filters or in exhaust ducts.
The AirGard 410-HE Hazardous Environments Monitor is specifically designed to monitor air flow in explosion-proof lab hoods or hoods that are used in environments where all equipment must be explosion-proof or intrinsically safe. When the velocity or pressure drops below a user-determined level, all AirGard Air Flow Monitors activate an audible alarm, visual alarm, and relay output. This alerts personnel that the air flow at the face of the lab hood or bio-safety cabinet is inadequate.
All AirGard models are easy to install, making them an excellent choice for both new installations and retrofits.
Learn More About Alnor® AirGard® Air Flow Monitors
Alnor® AirGard® Air Flow Monitors 315-350 Spec Sheet
Alnor® AirGard® Air Flow Monitors 410HE Spec Sheet
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 AirGard® Lab Hood Monitors
Alnor® AirGard® Lab Hood Monitors indicate safe levels of air flow in laboratory fume hoods. The 200, 335 and 405 Monitors are used to measure and report on exhaust flow in many critical or controlled indoor environments, including pharmaceutical and university laboratories. The AirGard 200 and AirGard 405 Monitors are simple, low-cost options for your monitoring requirements. The AirGard 335 provides the same reliable measurements with added features that make it more versatile. All these models are easy to install, making them an excellent choice for both new installations and retrofits.
Learn More About Alnor® AirGard® Lab Hood Monitors
Alnor® AirGard Lab Hood Monitors Spec Sheet
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 Balometer® Capture Hoods
By placing an Alnor® ABT Balometer® Capture Hood over a diffuser or grille, you can measure air volume in order to balance buildings and verify air flow distribution. The easily observed trend values and fast meter response make the ABT Balometer hood the preferred instrument for facility engineers.
Learn More About Alnor® ABT Balometer® Capture Hoods
Alnor® ABT Balometer® Capture Hoods
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 CompuFlow® Indoor Air Quality Meters
Alnor® Indoor Air Quality meters help building owners, operators, HVAC contractors, and IAQ consultants solve problems in schools, offices, factories, and hospitals. Indoor environments can be improved by measuring levels of CO2, relative humidity, and temperature.
The Alnor CF910 CO2 Meter is an excellent, cost-effective handheld diagnostic instrument for measuring and monitoring carbon dioxide levels.
The CF920 and CF930 meters simultaneously measure and data log multiple parameters. The CF920 quickly and accurately measures carbon dioxide (CO2), temperature, humidity, and calculates dew point, wet bulb temperature, and % outside air. The CF930 model adds a measurement of carbon monoxide (CO).
Learn More About Alnor® Indoor Air Quality Meters
Alnor® Indoor Air Quality Meters
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Micromanometers
The Alnor® AXD610 is an easy to use, handheld digital Micromanometer for fast, accurate and reliable pressure measurement. It can also calculate velocity. (AXD 610)
The Alnor® AXD620 is a rugged, compact, comprehensive Micromanometer that measures pressure, and calculates velocity and volumetric flow rate. It can be used with Pitot tubes to measure velocity and then calculate flow rates with user–input duct size and shape. Premium features make it ideal for HVAC, environmental safeguards, commissioning, process control and system balancing. (AXD 620)
The Alnor® EBT720 is one of the most advanced, versatile, and easy-to-use micromanometers on the market today. Auto-zeroing allows you to make measurements throughout the day.
Ideal applications for the Alnor® EBT 720 include HVAC commissioning and troubleshooting, testing and balancing, Pitot tube duct traverses, static pressure measurements and differential pressure measurements.
Learn More About Alnor® Micromanometers
Alnor® EBT721/EBT720 Electronic Balancing Tool Spec Sheet EBT
Alnor® Micromanometers AXD610-620 Spec Sheet
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 CompuFlow® Thermo-Hygrometers
Alnor® TH710 and TH720 Thermohygrometers are ideal for measuring temperature and humidity. Both include a probe with coiled cable to allow for measurements in hard-to-reach areas such as heating and cooling ducts. They are excellent tools for testing humidity and temperature factors in IAQ studies, manufacturing processes, and storage facilities. The model TH710 is a base model that can calculate wet bulb and displays average readings along with maximum and minimum values. The model TH720 calculates wet bulb and dew point, offers data storage of over 12,700 readings and includes LogDat2 software with interface cable for downloading to a PC. The TH720 can also calculate percent of outside air to determine the amount of fresh air entering the building using temperature readings. Up to three measurement parameters can be simultaneously displayed on both the TH710 and TH720 meters.
Learn More About Alnor® TH710 and TH720 Thermohygrometers
Alnor® EBT721/EBT720 Electronic Balancing Tool Spec Sheet EBT
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 Rotating Vane Anemometer
The Alnor® RVA501 and RVA801 Rotating Vane Anemometers measure air velocity, air volume, and temperature in English or metric units. The 4-inch (100mm) head automatically averages velocity and volume readings, making the RVA501 and RVA801 essential tools for measuring unevenly distributed or fluctuating flows through heating and cooling coils, diffusers, grilles, and filters. Sweep mode quickly and reliably provides one averaged reading of velocity or volume over a large measurement area.
Learn More About Alnor® RVA501 and RVA801 Rotating Vane Anemometers
Alnor® RVA501 and RVA801 Rotating Vane Anemometers
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 Alnor® Thermo-Anemometers
The Alnor® Thermo-Anemometers AVM410 and 9880 are a solid choice for a digital Air Velocity Meter, without compromising accuracy or precision. They are excellent for troubleshooting HVAC systems and conducting commissioning work.
Learn More About Alnor® Thermo-Anemometers AVM410 and 9880
Alnor® Thermo-Anemometers AVM410 and 9880
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 Velometer® Thermo-Anemometers
The Alnor® 8100A-16 Velometer Jr.® anemometer measures low face velocity commonly found in spray booth or exhaust hood applications and grocery store refrigerator cases.
Learn More About Alnor® 8100A-16 Velometer Jr.®
Alnor® 8100A-16 Velometer Jr.®
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 Alnor® Hydronic Manometer
Facilities containing hydronic (water) systems are typically balanced for terminal flow using differential pressures. Balancing hydronic systems reduces energy consumption and saves money.
The Alnor® HM670 and HM680 are used to balance hydronic heating and cooling systems and to check pump performance. Both models can measure and display differential, high side, and low side pressures simultaneously without the need to change hose connections or instrument valve settings.
Learn More About Alnor® HM670 and HM680 Manometers
Alnor® Hydronic Manometers HM670/680 Spec Sheet
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