Thermocouple simulators and resistance temperature detector (RTD) simulators provide precise standard values of resistance or voltage for simulation and calibration.
CMM, gage and inspection equipment services provide repair, calibration, upgrade, rebuild, install, training and replacement services.
Inductance standards and decades provide highly accurate and digitally variable standard values of inductance for calibration, comparison and testing.
Capacitance standards and decades provide a highly accurate standard value of capacitance for calibration and testing.
Resistance standards and decade boxes provide a highly accurate standard value of resistance for calibration and testing.
Voltage dividers and voltage references provide highly-accurate reference voltages for calibration and testing purposes.
Environmental test equipment services for environmental test chambers, reactors, baths, incubators, laboratory ovens and furnaces, and vibrational shakers. Services may include repair, calibration, upgrading, rebuilding, installation, training and replacement.
Boiler services include repair, rebuilding, maintenance and installation of boilers. They may also provide cleaning, calibration, condition assessment, field inspection, failure analysis, and part replacement services.
...and periodically checked against a master gage. Related Information. CR4 Community --Material Suitable for Ring Gages. CR4 Community --Calibration of Pressure Gages. CR4 Community --How to Use a Thread Plug Gage. Image credit: Dwight Burdette / CC BY-SA...
Decade boxes and dividers provide highly accurate and digitally variable standard values of resistance, capacitance, inductance, voltage and/or current for calibration, comparison and testing.
Color swatches and reference systems consist of a set or palette of chips, swatches or panels with different colors for calibration of color instruments, painting blending systems, and for color selection.
Viscosity standards and reference fluids are oils, fluids, greases, or gels with stable and verified viscosity values and flow properties for calibration of viscometers, rheometers, and other standards.

Gage Blocks

(120 companies)
...of accuracy and are used in precision or master calibration gaging operations in temperature controlled metrology or standards laboratories. Grade 0.5 gage blocks under one inch in length should have length tolerances of +/- 1 micro-inches (1 mike or 1...
...that are periodically updated to the national standard or atomic clock through a GPS signal. NIST offers a remote calibration service (TMAS - Time Measurement and Analysis Service) to help laboratories around the country or world maintain an accurate local time...

Blackbody Sources

(12 companies)
Blackbody sources are uniform, temperature stable sources of infrared radiation primarily for instrument calibration.