Equipment Served

Common Equipment Supported

PK Calibration and Validation has the experienced metrologists and equipment needed to service most equipment, including:

  • Refrigerators
  • Thermometers
  • High Voltage Dielectric Testers
  • Centrifuges
  • Ovens
  • Heat Sealers
  • Surface Plates
  • Timers
  • Calipers/Micrometers
  • Oscilloscopes
  • Function Generators
  • Freezers
  • Chart Recorders
  • Magnehelic Gauges
  • Incubators
  • Environmental Chambers
  • Lyophilizers/Freeze Dryers
  • Conductivity/Resistivity Meters
  • Pins/Plugs/Rings
  • Height Gages
  • Digital Multimeters
  • Laser Micrometers
  • Temperature Controllers
  • Pressure Gauges
  • Autoclaves
  • Incubator Shakers
  • Hot Boxes
  • Optical Comparators
  • Temp Monitoring Systems
  • Test Indicators
  • LCR Meters
  • Low Frequency Counters

In addition to self-performing services, PK Calibration and Validation has also established key partnerships with vendors who specialize in certain disciplines. These include vendor relationships with specialists in Scales/Balances; Air and Liquid Flow; High Pressure; and Pipettes.

Onsite Calibration Disciplines

Our onsite calibration services include the following disciplines:

  • Electronics
  • High Voltage
  • Connectivity / Resistivity
  • CO2
  • Temperature
  • Pressure (up to 10K PSI)
  • Speed
  • Humidity
  • Dimensional
  • Time
  • Clean Water Flow

We're a Marsden Company!

What does it mean to be a Marsden company? Well, it means that we are part of one of America’s largest privately-held commercial cleaning and security firms. Supporting 25 distinct brands under one umbrella is unique in our industry. But we think it is a better way to serve our thousands of clients.

National Scope

We have five regional headquarters throughout the United States. Our Central Region with several firms services over 300,000,000 square feet with over 1000 employees and managers who live in the communities we serve.

Local Dedication

We self-perform an astonishing 97% of our business. When we bring new companies into our family we keep their local offices and maintain human resources and recruiting in the community, which allows us to invest in our clients – by really being there. We believe our clients want the hometown team, but also want deep and meaningful support from a sophisticated partner.

Great Resources

One of the benefits of being a part of a firm like Marsden is that we can share resources from all of companies, producing exciting new content. You can find a library of white papers, and follow our blog. All of it is available at our brand new website at And check out our new social media presence!
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