APEX Instruments

"Proven Equipment for the
Oil & Gas Industry"

Apex Instruments Calibration Services - Full Service Calibration Lab

Our Commitment is to Accuracy, Reliability & High Quality Service.


NIST Traceable Calibrations

Pressure Test Equipment:
Analog Pressure Gauges, Deadweight Testers, Digital Pressure Gauges, Pressure Calibrators, Pressure Modules (Ametek / Crystal Engineering, Ashcroft/ Heisae, Beta, Fluke)

Temperature Test Equipment:
Analog Thermometers, Digital Thermometer, Dry Block Calibrators, RTD Simulators, RTD Readers, Thermocouple Calibrators, Temperature Simulators

Electrical Test Equipment:
AC/DC Voltage and Current, Clamp Meters, Digital Multimeters, Loop Calibrators, Multi-function Calibrators


(866) 276-2202

Download our Order Form (PDF)
Download our Apex Calibration Brochure (PDF)
or Contact Us by email.

Calibration Lab

Included with Calibration Services:

  • Archiving Historical Data for Indefinite Period
  • Calibration Sticker
  • Calibration Seals where Applicable
  • As Found/As Left Data
  • Recall Notice when Recalibration is Due
  • General Cleaning & Repair of Instrument if Necessary
  • Loaner Units Available at No Extra Charge