In HVAC, even small miscalculations can lead to big inefficiencies. A slight deviation in temperature, airflow, humidity or pressure can impact energy efficiency, indoor air quality (IAQ), and system longevity. Whether you’re managing commercial buildings, industrial facilities, or specialized environments like cleanrooms and data centers, we provide HVAC measurement and calibration solutions to ensure optimal performance and energy savings.
HVAC systems rely on accurate airflow, pressure, temperature, and humidity monitoring to function at their best. When sensors drift out of calibration or instruments lose accuracy, it can lead to higher energy costs, poor system performance, and compliance issues. That’s why top HVAC engineers, facility managers, and technicians trust Alpha Controls as their precision partner.
Alpha Controls delivers high-precision instrumentation and accredited calibration services that help HVAC systems operate at peak performance. Supporting efficiency, safety, and compliance, our solutions enable reliable, data-driven decision-making across commercial buildings, industrial ventilation systems, and controlled environments such as cleanrooms and laboratories.
AccuTools was founded to fill a void in the development of new and innovative products in the HVAC/R, automotive diagnostics, and test instrument markets. Their trademarked...
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Dwyer is a global leader in designing and manufacturing innovative controls, sensors and instrumentation solutions. That's because they work tirelessly to get it right -...
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Founded in 1967, Setra Systems, Inc. is a leading designer and manufacturer of pressure, acceleration, and weight sensing devices. Setra has devoted its engineering and...
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Bacharach is a global leader in the design, manufacture, and service of gas detection, monitoring and analysis instrumentation for the HVAC and refrigeration industries. ...
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E+E Elektronik specializes in the development and production of sensors for measurement of relative humidity, CO2, air velocity, mass flow and humidity calibration systems. E+E...
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Fluke Corporation is the world leader in the manufacture, distribution and service of electronic test tools and software. Fluke's test and measurement line includes...
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Trust Alpha Controls for precise, reliable calibration services that keep your measurements accurate and compliant. With decades of expertise, we deliver confidence and...
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Compliance Without the Hassle. Leave Validation to the Experts. When regulations tighten and timelines matter, you need a partner who understands both the standards and the...
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24" stainless extension
18" stainless extension
12" stainless extension
6" Stainless extension
7.76 oz (220 g) counterweight
Carbon steel adapter, 1/8" x 1-1/2" NPT.
Body Gasket
Plastic enclosure for 5 meters.
Plastic enclosure for 4 meters.
Plastic enclosure for 3 meters.
Plastic enclosure for 2 meters.
Plastic enclosure for 1 meter.
Low-cost plastic enclosure for 2 meters.
Low-cost plastic enclosure for 1 meter.
4 relay expansion module.
16.4' (5 m) cable with M-12 4-pin female connector
Panel installation kit.
Mounting Bracket
Weatherproof IP65 cover with fly-wire holes.
R/C snubber (recommended for inductive loads like a solenoid or contactor)
Weatherproof enclosure, type 4X, clear plastic window with rear panel for mounting the control inside the enclosure
Omega Link Smart Probe & Counter/Digital Wireless Transmitter
#4, Stud type contactor (complete) Includes: #4A, #4F & #4G
Aluminum battery type contactor assembly with 32' coiled cord
Aluminum battery type contactor assembly with 16' coiled cord for TR-7
#4B-X, Battery type contactor assembly with 32 ft. coiled cord
#4B, Battery type contactor (complete) includes: #4C, #4F & #4G
#4G, Mil-Spec cord connector
8 ft cable with 15-pin connector.
220 V power supply.
110 V power supply.
3 ft cable for 0-5 VDC output
3 ft cable for 4-20 mA output
220 V power supply
110 V power supply
Instrument enclosure, 304SS, brushed finish, compatible with 2000 Magnehelic® gage, DM-2000 differential pressure transmitter
Quick disconnect cable.
Magnetic bolt for DT1160, high strength target, 1/2–13 UNC X 3/4"
Magnetic bolt for DT1060, standard target, 3/8–16 UNC X 3/4"
J type, 25' on spool, fiber glass insulation, 450°C, black outer sheath, 24 AWG, 0.20 SQMM
Accessory kit for 475-AV kit, less manometer
Pocket size Pitot tube, 1/8" dia., 12" insertion length, 3" tip.
Steel carrying case for air velocity meter, No. 400-10.
Steel carrying case for air velocity meter, No. 400-5.
Universal handheld test device with software
Case for BCHP-1.
One pair red & blue 60" SAE replacement hoses for the 490A-HKIT, each with integral ball valve
Fill out our request form and our team will help you locate, quote, and deliver the solution that fits your requirements.
