Test Instruments

XP2I Digital Test Gauge, 30 Series Pressure Calibrator, NVision Pressure Recorder and GaugeCalXP Pressure Generator.
is one of the world’s leading manufacturers and developers of calibration instruments for temperature and pressure and of instruments for testing the tensile strength, compressibility, hardness, elasticity, peel or adhesion ability of materials such as; metals, wood, glass, textiles, paper and plastics.
Digital multimeters, insulation testers, clamp-on testers and precision DC instruments for use in industry, R&D and education. 
Portable calibration pumps, parts and accessories for a fast, easy and inexpensive way to check and calibrate pressure instruments on the job.
The recognized leading manufacturer of temperature and pressure instrumentation. Products include: bimetal thermometers, pressure gauges, diaphragm seals, RTD’s & Thermocouples, pressure transmitters and related accessories to a variety of process markets.
Relative humidity, dewpoint, carbon dioxide, oxygen, barometric pressure, wind and rain.
Manufactured with a difference for your most rugged and demanding applications! Process or Test, Digital, or mechanical, 3D brings the same standard of quality and excellence to the entire product line.
Additel successfully developed Handheld Automated Pressure Calibrators, Precision Pressure Calibrators, Documenting Process Calibrators, Multifunction Process Calibrators, Multifunction Temperature Calibrators, Precision Digital Pressure Gauges, and various Test Pumps and Hand Pumps.
Martel Calibrators offers a solution oriented approach to every day calibration problems. We feature innovative designs for portable calibrators, pressure calibrators, temperature calibrators, loop calibrators and multifunction calibrators.
Digital Meters & Controllers for flow, level, pressure and temperature.
The manufacture of temperature sensors for process control applications. Our product line includes thermocouples; RTDs and their related accessories.
Vidac Solutions is a test systems integration company that provides cost-effective turn key solutions for your Functional Test, Product Certification, Data Acquisition and difficult to control Process needs. We build test equipment, data acquisition and control systems for motor testers, hipot and partial discharge systems. We also design test equipment and end of line testers for high pressure pumps and seals. Vidac test equipment is designed and built in the St. Louis area, but is in use all around the world.