ISO/IEC 17025 Accredited · Trusted by Engineers Worldwide · Serving 11 Industries
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Maintaining the integrity of your measurement chain requires precision reference standards. Our range of multi-function and process calibrators is engineered for high-accuracy verification of voltmeters, ammeters, and temperature sensors. Designed to meet the rigorous demands of metrology labs and industrial environments, these instruments provide the stable sourcing and simulation capabilities necessary for ensuring equipment remains within specified tolerances. Whether you are performing field-based loop calibrations or laboratory-grade instrument verification, our inventory supports the traceability and repeatability essential for ISO-compliant quality systems. Explore our selection of calibrators to ensure your testing hardware meets the highest standards of accuracy and reliability.
8 ppm DC Accuracy and Multi-Parameter Output Precision
AC/DC Voltage, Current, and Resistance Sourcing in One Instrument
Primary and Secondary Standard Calibration for Lab and Field Use
GPIB, USB, and RS-232 Connectivity for Automated Calibration Systems
10 MHz to 26.5 GHz Coverage Across Electrical and RF Applications
ISO/IEC 17025 Accredited Calibration with NIST-Traceable Certificates
Image | Brand | Name | Description | Price |
|---|---|---|---|---|
 | Keysight | Keysight 11613B Calibrator accurate microwave testing from 10 MHz to 26.5 GHz, with low phase noise, harmonic performance, and GPIB/RS-232 control. | $1,595.00 | |
 | Fluke | The Fluke 5790A Measurement Standard offers precise electrical measurements for voltage, current, resistance, and more with excellent accuracy, stability, and connectivity options. | $10,500.00 | |
 | Fluke | The Fluke 5700A Five-Function Calibrator ensures precise electrical calibration across multiple parameters, featuring automated routines and robust connectivity for industrial use. | $18,500.00 |
| Specifications | Fluke 5700A | Fluke 5790A | Keysight 11613B |
|---|---|---|---|
| Type | Multifunction Calibrator | AC Measurement Standard | Microwave Calibrator |
| DC Voltage Accuracy | 8 ppm (1 year) | N/A | N/A |
| Frequency Range | 10 Hz – 500 kHz | 10 Hz – 1 MHz | 10 MHz – 26.5 GHz |
| Functions | V, A, Ω, Freq, TC | AC V, AC A | Signal calibration |
| Interface | GPIB, RS-232 | GPIB, RS-232 | GPIB, RS-232 |
| Form Factor | Benchtop (half-rack) | Benchtop | Benchtop module |
| Best For | Full DMM calibration labs | AC transfer standards | RF / microwave labs |
| Price | $18,500 | $10,500 | $1,595 |
Selecting the right electrical calibrator depends on three core factors: the instruments you need to calibrate, the accuracy level your quality system requires, and the environment where calibration will be performed.
This is the single most important specification. Calibrator accuracy is expressed as a percentage of reading or in ppm (parts per million). A fundamental rule in metrology is the 4:1 accuracy ratio — the calibrator should be at least four times more accurate than the instrument under test.
Match the calibrator’s output range to the full measurement range of the instruments you will be calibrating. Verify that the calibrator covers:
Lab-grade calibrators (half-rack or full-rack) are designed for benchtop use with automated calibration software integration (MET/CAL, COMPASS). Portable/handheld calibrators are battery-operated and IP-rated for field work. Confirm environmental ratings if calibrators will be used outside a controlled lab.
For regulated industries, the calibrator’s own calibration certificate must be traceable to NIST (National Institute of Standards and Technology) or an equivalent national metrology institute. Look for:
High-volume calibration labs should prioritize models with GPIB (IEEE-488), USB, LAN, or RS-232 interfaces for automated test system integration. Remote programmability dramatically reduces technician time per calibration cycle.
Micro Precision Test Equipment stocks professional-grade calibrators spanning several categories to match every calibration application:
An electrical calibrator is a precision reference instrument that generates or simulates known electrical signals — including voltage, current, resistance, and frequency — to verify that other test instruments are measuring accurately. It serves as the traceable reference standard in any calibration program.
An electrical calibrator outputs a highly accurate, stable electrical signal at a known value. The instrument under test (such as a digital multimeter) is then connected and its reading is compared against the calibrator’s output. Any deviation indicates an error that may require adjustment or documentation.
A digital multimeter only measures electrical signals. An electrical calibrator can both source (generate) and measure signals at known accuracy levels. Calibrators are designed to verify the accuracy of multimeters and other instruments — they are the reference standard, not the instrument under test.
The main types are:
Electrical calibrators are used in calibration laboratories, manufacturing and QA, defense and aerospace, utilities and power generation, oil and gas, and any industry operating under ISO 17025, ISO 9001, or regulatory standards that require documented instrument traceability.
NIST-traceable means the calibrator’s accuracy has been validated against measurement standards that are ultimately linked to the National Institute of Standards and Technology (NIST). This unbroken chain of traceability is required by ISO 17025 and most defense and industrial quality standards.
Most manufacturers recommend annual calibration intervals for laboratory-grade electrical calibrators. Actual intervals should be determined by usage frequency, measurement criticality, and historical calibration data. ISO 17025 accredited labs typically define and justify calibration intervals in their quality management system.