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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Pressure test plug adapter for the 490A-HKIT, 1/8" dia x 1-1/2" length (2)
Security Enclosure
Mounting Bracket
Capillary mounting clips (6 pcs)
Keylocking Wing Knob Door Latch, includes 1 Lock and 2 Keys
Replacement Keys, includes 2 Keys
22" mounting panel for a 24" wide NEMA 1 enclosure
Replacement lid kit
Hang bracket kit
Accessory kit including terminal block and power supply.
1/4" BSP to 1/8" NPT, 1/4" NPT, 3/8" NPT and 1/2" NPT Converter Set for Test Connection.
Fine Volume Adjustment Tool.
Case for BCHP-1.
Replacement duct mount plate assembly
Field upgradable display
20' packard cable
9' packard cable
3' packard cable
Weatherproof enclosure, type 4X, clear plastic window with rear panel for mounting the control inside the enclosure
Panel mount kit, polysulfone fittings.
Temperature transmitter enclosure used to mount Series 651 and 659 transmitters to any 1/4 in diameter temperature sensors
Flow meter mounting kit, no cables
Flow controlling mounting kit, no cables
9 V power adapter
1/2" npt adapter
316 SS flat mounting bracket with bolts
316 SS angle mounting bracket with bolts
Field upgradeable LCD display.
Mounting bracket kit
3-Way manifold & bracket for pressure transmitters.
Universal pipe mounting kit, for 2" diameter pipe only.
Lift loop / hanger for submersible level transmitters
Protective terminal cap
Process Head without Display.
Portable Stand
Allows Magnehelic to be conveniently installed on horizontal or vertical1-1/4 in to 2 in pipes
Air filter kit for Series 2-5000 Minihelic® II gage
Mounting panel for Magnehelic®
Air filter kit for Series Mark II
Air filter kit with (2) plastic open/close valves, (2) plastic static tips, tubing & mounting flange
Air filter kit with (2) plastic open/close valves, (2) 4" steel static tips, tubing & mounting flange
Manual reset switch
R/C snubber (recommended for inductive loads like a solenoid or contactor)
1/2" conduit plug, watertight.
1" male NPT with 90° elbow fitting (2) - PVC (Series LFME).
3/4" male NPT with 90° elbow fitting (2) - PVC (Series LFMD).
1/2" male NPT with 90° elbow fitting (2) - PVC (Series LFMC).
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