Electronic Calibration Services

Electrical test and measuring equipment is expected to provide precise, accurate readings. However, like any measuring tool, electronic testing equipment readings can become less accurate over time, drifting with continuous use. If the equipment tolerances aren’t calibrated regularly, these tools can provide significant measurement errors that negatively affect performance and accuracy. As a result, electronic equipment must be calibrated regularly and frequently to ensure minimal downtime.

Garber Metrology provides calibration services for a wide range of electronic and electrical test and measuring equipment. With our extensive experience and dedicated lab, we provide quality calibration services with quick turnaround times. Learn more about electronic calibration, why it is important and how Garber Metrology services can help.

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What Is Electronic Calibration?

No matter how accurate a piece of electronic equipment is, the tolerances for that equipment will drift over time, skewing results. Because of this drift, all electric test equipment needs to be calibrated periodically. But what is electronic calibration?

The electronic calibration process involves verifying and adjusting the performance of a device that measures electrical parameters. These parameters include:

  • Current
  • Voltage
  • Inductance
  • Resistance
  • Time
  • Frequency
  • Capacitance

The electronic calibration process is accomplished by comparing a device’s output with known calibrated standard of reference. Once the quantity of variation is verified, the electronic measuring device is adjusted to eliminate the variation.

How to Calibrate Electronics

As previously mentioned, electronic calibration works by comparing a device’s output with calibrated known reference standards. However, this is a highly simplified explanation of the process. Calibration involves a series of intricate and meticulous processes specific to the instrument that needs to be calibrated. Some of the resources that must be involved in this process include:

  • Specialized equipment: These calibration procedures are conducted using highly precise electronic calibration equipment aligned with and verified against primary measurement standards from applicable regulatory institutions. Because of their fixed performance characteristics, these instruments allow trained calibration experts to evaluate and adjust tested devices accurately.
  • Regulatory guidelines: Calibration procedures must also align with various industry regulations and regulatory institution standards. Any equipment used in calibration must conform to applicable standards, and the procedures themselves may need to align to specifications depending on the type of instrument being calibrated.
  • Trained professionals: Due to the intricacy of calibration procedures, the specialized equipment involved and the regulatory guidelines that must be followed, calibration processes are best handled by trained professionals. In addition to performing quality calibration services, calibration professionals can also ensure compliance with regulatory requirements.

When using a calibration professional for electronic calibration services, users must also keep calibration periods in mind for scheduling. A calibration period is the amount of time after calibration is performed that the device’s results can be trusted as accurate. Once this period ends, the accuracy of a device’s output is no longer guaranteed. For most electronic equipment, the calibration period ranges from six to 12 months. The calibration period for a specific instrument will vary based on the type of instrument, its age, how often it is used, how it is used and the environmental conditions where it is used and stored. Speak with a professional to determine an appropriate calibration period for your instruments.

To maximize the accuracy of results, facilities using electronic instruments must schedule calibration services with professionals according to their calibration periods. This way, facilities can address calibration problems proactively.

calibration equipment

The Importance of Electronic Equipment Calibration

Tolerance drift is inevitable for any type of electronic measuring equipment. While drift can be minimized in high-quality equipment and proper usage, it cannot be eliminated. This means that over time, the results of the uncalibrated electronic measuring equipment will be less accurate. This can have significant negative impacts on industries that rely on precise measurements in their daily operations. Some of the industries that frequently use electronic measuring equipment include:

Inaccurate readings in any of these industries can have far-reaching repercussions for productivity and safety, which is why electronic calibration must be performed frequently, regularly and accurately. Maintaining a strict calibration schedule ensures that the equipment performs per its specifications, avoids inaccurate measurements and guarantees repeatable results.

36 Types of Electronics We Calibrate

Garber Metrology’s calibration professionals offer services for a wide range of electronic measuring tools. These include, but are not limited to:

  • Digital multimeters: Digital multimeters are used to measure voltage, current and resistance and present outputs on a digital display. They can also be used to measure the electrical continuity of a circuit. Improper digital multimeter calibration can result in inaccuracies, which can negatively impact testing processes for circuits.
  • Oscilloscope: Oscilloscopes measure electronic signals and express output as a waveform representing the electric signal from the input. These are used to measure the time and voltage values of a signal and the frequency of an oscillating signal. As these are used for diagnostic purposes in circuits, automotive manufacturing and even the medical field, improper oscilloscope calibration can negatively impact critical assessments in these industries.
  • Scopemeter: A scopemeter is a particular type of oscilloscope that measures electronic signals, amplitude and frequency. They’re not only an oscilloscope, but they also have a multimeter built in making them unique. These types of oscilloscopes are often used for troubleshooting and maintenance applications in electro-mechanical equipment.
  • Megohmmeter: A megohmmeter, also called a megger, is a type of ohmmeter, which measures electrical resistance. Megohmmeters measure large resistance values, mostly for insulators. Poorly calibrated megohmmeters may result in insulators being approved that fall outside required parameters.
  • Milli-Ohm Meters: A Milli-Ohm Meters is another type of ohmmeter that measures smaller resistance values and is used on low resistance connections.
  • Ionizers: Also called static ionizers or static eliminators, ionizers neutralize static charges on surfaces by sending positive and negative ions into the air. This is an essential tool for working on electronics and components. Uncalibrated ionizers may send more positive or negative ions into the air, creating a charge that can damage sensitive components

Our team’s expertise extends far beyond the six tools listed above. Garber Metrology is highly experienced in calibrating the following electronics:

  • Current Shunts
  • Resistance Measurements Down to 100µΩ and up to 100GΩ
  • Oscopes up to 27GHz*
  • LCR Meters
  • Inductance Analyzers
  • Static Meters
  • Air Ionizers
  • Watt Meters
  • Spark Testers
  • Current Probes
  • Process Meters
  • Clamp-on Meters
  • Dielectric Testers
  • Frequency Counters
  • Function Generators
  • High-Voltage Probes
  • HIPOT Testers (AC & DC)
  • Meg-Ohm Meters
  • Multimeters up to 7.5 Digits
  • Ocilloscopes up to 600 Mhz
  • Power Analyzers
  • Power Meters (Non-RF)
  • Power Supplies (AC & DC)
  • Sound Level Meters
  • Spectrophotometers
  • Stroboscopes
  • Surface Resistivity Meters
  • Timers
  • Wrist Strap / Foot Strap Testers
  • Contact and Non-Contact Tachometers

For each of these electronic measuring tools, different calibration techniques are required to produce industry-accepted tolerances.

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Calibration Capabilities List

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Partner With Garber Metrology for Electrical Equipment Calibration

Calibration of electronic instruments is an essential service for a range of industries and applications that rely on precise and accurate electric measurements. Proper calibration in electronics ensures that equipment performs per specifications and provides accurate, repeatable results. If you’re looking for a calibration service that can guarantee quality electronic calibration services, Garber Metrology is here to help.

Garber Metrology provides tailored calibration services for a wide range of electrical test and measuring equipment. We offer testing both in our dedicated testing facility and on-site at your facility. Over 60% of our electronic calibration is currently performed in the field. If you choose to send your equipment to our facility, we provide regional pick-up and delivery services and a five-business-day turnaround time. Our staff of military-trained metrologists has an average of 17 years of experience and has handled equipment for countless industries, so we can ensure quality results no matter the application.

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Our experience and customer service are backed by strict adherence to international standards and quality assurance procedures. We are ISO 9001 Registered by NQA and ISO/IEC 17025 and ANSI/NCSL Z540-1-1994 Accredited by ANAB. We also follow a strict quality assurance program that meets ANSI/NCSL Z540-1 specifications. All our calibrations are accompanied by Certificates of Calibration traceable to NIST. To learn more about Garber Metrology and our calibration services, contact us today.

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