Calibration Services for Reliable Performance
Keep your equipment accurate, your processes compliant, and your business moving forward
At HDCL, we provide ISO/IEC 17025 accredited, audit-ready calibration services with precision, speed, and traceability to NIST standards. Our experienced team offers both in-lab and on-site calibration to reduce downtime and keep you compliant. We aim to be your one-stop calibration laboratory, with broad in-house capabilities and a commitment to supporting any additional needs through trusted outsourced partners. If you don’t see the service you need, just ask — we’re always expanding to serve you better.
The Value of Accredited Calibration Services

Full-Service Capabilities
From dimensional tools to electrical systems, we offer a complete range of calibration services under one roof so you don’t need to juggle providers.

Unmatched Efficiency
Fast turnarounds, streamlined processes, and responsive communication keep your operations moving without unnecessary downtime.

Flexible Scheduling
Need on-site service? Have a tight production window? We work around your workflow to minimize disruptions and maximize convenience.

Proven Expertise
Our technicians are trained to the highest standards and backed by an accredited lab network.
What Happens When Calibration Is Overlooked?
Avoiding calibration can lead to more than just out-of-spec tools. Here’s what’s at risk:
Product Defects
Inaccurate measurements lead to quality issues and customer dissatisfaction.
Operational Downtime
Unreliable equipment can cause unexpected delays or shutdowns.
Higher Costs
Rework, scrap, and non-compliance fines add up quickly.
Don’t Risk Delays, Downtime, or Non-Compliance
Let HDCL handle your calibration needs so you can focus on production, not paperwork.
Industries We Serve
The Huston-DePue Calibration Laboratories team serves a variety of industries, including:
Aerospace & Defense
Manufacturing & Industrial
Life Sciences & Healthcare
Energy
Semiconductor
Automotive & Rail
Food & Beverage
Packaging
Research & Development
Chemical
Agriculture & Livestock
Engineering
Our Calibration Services
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Electronic Test Equipment Calibration
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Process Instrumentation Calibrators – Current, Voltage, Resistance, Temperature & Multifunction
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Frequency Devices – Counters, Timers, Generators, Oscillators, Calibrators & Modulation Meters
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Multimeters – Digital & Analog
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Oscilloscopes & Scope Meters
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Distortion Analyzers
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Power Supplies
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Smart Communicators
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Decade Resistance Simulators
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Capacitance Meters & Simulators
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Clamp-on Multimeters
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Cable Testing Equipment – TDR’s, Length Meters & Fault Locators
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Recorders & Data loggers – Current & Voltage
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Time Domain Reflectometers – TDR’s
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Temperature Test Equipment Calibration
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Temperature & Thermometer Calibration
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Thermocouple Calibrators & Probes
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RTD Calibrators & Probes
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Resistance Decade Simulators
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Dry Block Calibrators – (Temperature Baths)
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Sand Baths – (Temperature Baths)
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Oil Baths – (Temperature Baths)
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Thermometers – Glass, RTD, Thermocouple, Thermisitor & Infrared
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Temperature Transmitters
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Pyrometers
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Recorders & Data Loggers
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Humidity Meters
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Pressure & Vacuum Test Equipment Calibration
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Gauges – Process, Test & Precision
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Pneumatic Calibrators
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Manometers
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Deadweight Tester Calibration – Pneumatic & Hydraulic
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Digital Pressure Indicators & Calibrators
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Pressure Transmitters & Transducers
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Recorders & Data Loggers
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Environmental Balancing Equipment Calibration
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Air Flow Capture Hoods – Digital & Analog
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Balometers
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Velometers
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Rotating Vane Anemometers
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Hot Wire Anemometers
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Air Data Multimeters
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Hydro Data Multimeters
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Pitot Static Airflow Meters
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Air Foil Airflow Meters
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Sound Level Meters
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Octave Band Filters
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Sound Level Calibrators
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Vibration Meters
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Electrical Measurement
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Rf & Microwave Communication Test Equipment
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Spectrum Analyzers
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Power Meters
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Attenuators
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Watt Meters
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Frequency Counters
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Modulation Analyzers
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Communications & IFR Radio Service Monitors
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Radio Test Sets
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Transmission Test Sets
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Selective Level Meters
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Cable and Antenna Sweepers
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Bio-Medical Test Equipment Calibration
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ECG Simulators
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Safety Analyzers
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Patient Simulators
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Oxygen Analyzers
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Temperature Calibrators
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Sphygmomanometers
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Radiation Detection Equipment
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Electrical Test Equipment Calibration
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Insulation Testers & Meggers
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Hi Potential Testers – Hipot’s AC, DC, & VLFs
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Dielectric Testers – Oil Breakdown Testers
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Low Ohm Resistance Testers
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Earth Ground Resistance Testers
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Surge Comparison Testers – Motor Winding Insulation Testers
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Voltage and Current Recorders
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Volt Meters – Analog & Digital
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Phase Indicators
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Power Quality Analyzers
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Relay Test Equipment
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Transformer Test Equipment
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Oil Analysis Test Equipment
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Motor Drives & Motor Control Devices
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Welding-Load Banks & Welding Machine Testing
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Mechanical & Dimensional Calibration
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Dimensional Measuring Tools – Micrometers, Indicators, Calipers, Height Gages & Standards
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Torque Wrench Calibration
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Torque Multiplier Calibration
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Torque Tester Calibration
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Ultrasonic Thickness Gauges
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Vibration Equipment – Vibration Meters, Vibration Balances & Simulators (Shaker Tables)
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Gas Detection – Alarms, Combustible or Toxic Gas Monitors & Explosion (LEL) Meters
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Tachometers & Strobes – Digital & Mechanical
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Tank Gauges – Gauge Tapes (Liquid Level)
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Mass Calibration – Weights, Weigh Scales & Balances
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Force Tension or Compression – Dynamometers, Force Gauges & Load Cells
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Optical & Fiber Optic Equipment Calibration
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OTDR’s
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Power Meters
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Light Sources
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Light Meters & Illumination Meters
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Theodolites, Transits & Levels
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Other Equipment & Measurement Capabilities
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Moisture Analyzers
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pH Meters
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Survey Meters & Probes (Radiation Detectors)
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Aircraft Fuel Quantity Test Sets
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Crimpers
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Wire Strippers
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Aircraft Weighing System Calibration
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Navigational Radar Aid Test Systems Calibration
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Air Data Test Set Calibration – Air Speed, Altitude, Mach & Rate of Descent
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Beacon Test Set Calibration
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Welding-load Banks & Welding Machine Testing
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Accredited Calibration Services You Can Rely On
Your time is valuable — and so is keeping your equipment accurate and your operations running smoothly. That’s why we offer flexible calibration options designed around your needs:
On-Site Calibration
Our technicians come directly to your facility, reducing downtime and ensuring fast, convenient service where and when you need it.
Mail-In Calibration
Ship your equipment to our fully equipped, ISO/IEC 17025 accredited lab for expert calibration and detailed documentation.
Emergency & Expedited Services
When time is critical, count on our priority service options to get you back up and running fast.

Audit-Ready Equipment Calibration Starts Here
Stay accurate, audit-ready, and ahead of the curve. Let HDCL be your trusted calibration partner!