D. Marchiori S.R.L., Italy

Various RVSM Air Data Test Set Modules for troubleshooting, leak testing & Certification of Aircraft Pitot-static Systems.

Extech Instruments, USA.

A Wide Range/Variety of Cost Effective Test & Measuring Instruments.

Huber Instruments AG., Switzerland

Digital Handheld Manometers, Gauges, Altimeters & Absolute Pressure Barometers.

Practical Instrument Electronics, USA

Multifunction & Single Function Calibrators – mA / Voltage / RTD / Thermocouple / Frequency

AOIP (Eurotron), France

Benchtop / Field / Multifunction Calibrators (IS & Non-IS Versions), TC/RTD / Process Calibrators, Data Loggers, Flue Gas Analyzers etc.

Amarel GmbH & Co., Germany

General Purpose & Industrial Thermometers


Acin Instrumenten BV, The Netherlands

Widest Range of Instruments for Measuring & Recording Pressure


ASP Sensors, U.S.A.

High Precision Reference RTDs

Green Energy Optimizers Calibration Instruments, U.S.A.

Humidity Calibrators & Meteorological Balloons

Meriam Process Technologies, U.S.A.

Multifunction Calibrator; HART Communicator; Temperature, Pressure & Loop Calibrators

For details on Products & its Specifications, kindly review the “Foreign Principals Product Catalog” in Downloads Section