Family Owned & Operated Since 1971• Bakersfield, CA
Valley Instrument

Calibration & Repair Services

Our NIST-traceable calibration laboratory serves 7 disciplines with the precision and turnaround your operation demands. Plus custom thermocouple & RTD manufacturing in-house.

NIST-Traceable Calibration LaboratoryFamily Owned Since 19717 Calibration Disciplines

Electrical Calibration

Precision calibration of electrical test and measurement instruments

Our electrical calibration lab services a wide range of instruments including digital multimeters, process calibrators, clamp meters, and electrical testers. All calibrations are performed to NIST-traceable standards.

What We Calibrate

  • Digital multimeters
  • Process calibrators
  • Clamp meters
  • Electrical testers
  • Megohmmeters
  • Power quality analyzers

Pressure Calibration

Calibration and repair of pressure instruments across all ranges

We calibrate and repair analog and digital pressure gauges, calibrators, transducers, and test pumps. Our lab handles instruments across a wide pressure range with NIST-traceable accuracy.

What We Calibrate

  • Analog & digital pressure gauges
  • Pressure calibrators
  • Pressure transducers & transmitters
  • Pneumatic & hydraulic test pumps
  • Differential pressure instruments

Temperature Calibration

Calibration of temperature sensing and measurement instruments

Our temperature calibration services cover thermometers, thermocouples, RTDs, drywell calibrators, temperature baths, and indicators. We also manufacture custom thermocouples and RTDs in-house.

What We Calibrate

  • Thermometers (digital & analog)
  • Thermocouples & RTDs
  • Drywell calibrators
  • Temperature baths
  • Temperature indicators & controllers

Dimensional Measurement

Calibration of precision dimensional measurement tools

We calibrate calipers, micrometers, dial indicators, depth micrometers, and other precision dimensional tools to ensure your measurements meet specifications.

What We Calibrate

  • Calipers
  • Micrometers
  • Dial indicators
  • Depth micrometers
  • Gauge blocks

Torque Calibration

Torque instrument calibration up to 1" drive or 2,000 ft-lbs

Our torque calibration services handle instruments up to 1-inch drive or 2,000 ft-lbs. We service micrometer click wrenches, digital torque wrenches, dial torque wrenches, and torque screwdrivers.

What We Calibrate

  • Micrometer click wrenches
  • Digital torque wrenches
  • Dial torque wrenches
  • Torque screwdrivers
  • Up to 1" drive / 2,000 ft-lbs

Gas Safety Testing

Calibration and testing of gas detection and monitoring equipment

We calibrate and test single and multi-gas monitors, fixed gas detection systems, portable detectors, confined space monitors, and gas transmitters to keep your team safe.

What We Calibrate

  • Single & multi-gas monitors
  • Fixed gas detection systems
  • Portable gas detectors
  • Confined space monitors
  • Gas transmitters

Water Quality Analysis

Calibration of water quality testing instruments

Our water quality calibration services cover conductivity meters, resistivity meters, TDS meters, pH meters, and ORP meters used across various industries.

What We Calibrate

  • Conductivity meters
  • Resistivity meters
  • TDS meters
  • pH meters
  • ORP meters

Custom Thermocouple & RTD Manufacturing

Need a temperature sensor built to your exact specifications? Our in-house manufacturing facility produces custom thermocouples, RTDs, and thermowell assemblies for any application — from standard configurations to one-of-a-kind designs.

Request a Custom Quote

Need Calibration or Repair Service?

Give us a call or send us a message. We'll get your instruments back to spec — fast.