Accredited Multifunction Calibration Services

A multifunction calibrator is the heart of a metrology lab, responsible for verifying an entire fleet of electrical test tools. At DRS Technologies, we provide expert multifunction calibration services to ensure these complex instruments maintain their critical accuracy across all sourcing and measuring functions. Our laboratory is equipped with high-stability reference standards to verify multi-product calibrators and process tools from brands like Fluke, Transmille, and Beamex.

Why Multifunction Calibrator Precision is Essential for Laboratory Integrity

Because a multifunction calibrator sources several electrical quantities—voltage, current, resistance, frequency, and temperature—a drift in any single internal module can invalidate thousands of downstream calibrations. Regular service at DRS Technologies ensures that your “standard” remains a reliable primary reference. We verify every internal range to ensure compliance with ISO/IEC 17025:2017 and avoid the cascading errors that occur when a master calibrator falls out of tolerance.

Our Technical Multifunction Calibration and Verification Process

DRS Technologies employs a comprehensive multi-point protocol designed to test the limits of your equipment’s performance:

  1. System Health and Battery Audit: We perform a full diagnostic check on the internal power supplies and cooling systems, ensuring the calibrator remains stable under high-load sourcing.

  2. DC and AC Voltage/Current Sourcing: We verify the accuracy of sourced signals across all ranges, from micro-amps to high current, and millivolts up to the instrument’s maximum capacity.

  3. Resistance and Capacitance Verification: Using high-precision standards, we test the internal decade resistances and capacitance modules to ensure zero-offset and linearity.

  4. Temperature and Pressure Simulation: We verify the accuracy of RTD and Thermocouple simulations, along with any integrated pressure modules, ensuring process signals are generated correctly.

  5. Certification and NIST Traceability: Every service concludes with a detailed NIST-traceable certificate. This includes as-found/as-left data, uncertainty budgets for every parameter, and a formal statement of compliance.

Comprehensive Support for Advanced Metrology Equipment

We specialize in the calibration of versatile laboratory and field instruments, including:

  • Multi-Product Calibrators (e.g., Fluke 5500, 5522A, 5730A)

  • Documenting Process Calibrators (e.g., Beamex MC6, Fluke 754)

  • Portable Electrical Calibrators

  • Loop Calibrators and RTD/Thermocouple Simulators

  • Universal Calibration Workstations

Frequently Asked Questions Regarding Multifunction Calibration

What is the advantage of an ISO 17025 accredited calibration for a multifunction calibrator?

Since a multifunction calibrator is often used as a reference standard for other equipment, ISO 17025 accreditation is vital. It provides formal recognition of the laboratory’s technical competence and ensures that the measurement uncertainties for every parameter are calculated according to strict international guidelines.

How often should a multifunction calibrator be recalibrated?

Due to the complexity of the internal electronics and the high precision required, a twelve-month calibration interval is the standard. Instruments used in high-volume calibration labs or harsh field environments may require six-month intervals to monitor for drift in the internal voltage references.

Can DRS Technologies calibrate the “Oscilloscope Option” on my multifunction calibrator?

Yes. Many multifunction calibrators include a leveled sine-wave generator and timing markers for oscilloscope calibration. Our laboratory can verify these high-frequency outputs to ensure your calibrator’s scope-checking options are accurate up to their rated bandwidth.