OCS offers tailored ISO/IEC 17025 accredited calibration plans for temperature/humidity instrumentation. Automated test equipment provides unparalleled accuracy and economy.

OCS services include:

  • Calibration and adjustments
  • Certificates with full before/after data
  • Calibrations from 10-90% relative humidity
  • Electrical Calibrations from
     -220° C to 1767° C
  • Comparisons from -5° C to 1200° C
  • Laboratory and/or on-site service
  • Free pick up and delivery
  • Flexible calibration contracts
  • Trend analysis and history reporting
  • Fast turnaround


Our technicians provide expert calibration for:

  • Chart recorders
  • Dry block calibrators
  • Freezers
  • Furnaces
  • Humidity gages
  • Ovens
  • Pyrometers
  • Temperature baths
  • Temperature controllers
  • Temperature gages
  • Temperature inputs
  • Temperature probes
  • Thermocouples
  • Thermocouple calibrators
  • Thermocouple simulation
  • Thermometers - Bi-metal
  • Thermometers - Digital
  • Thermometers - Glass

All calibrations are ISO/IEC 17025 accredited and NIST traceable.

Temperature/Humidity manufacturer brands we calibrate include but are not limited to:

  • Ametek
  • Ashcroft
  • Cole Parmer
  • Dickson
  • Extech Instruments
  • Fluke
  • Hanna Instruments
  • Hart Scientific
  • Honeywell
  • Isotech
  • Omega
  • Tegam
  • Thermoworks