Dataforth Corporation
- Signal conditioning and data communications isolation
- Analog and digital I/O modules
- Programmable signal conditioners
- Isolated transmitters
- Industrial data communications
- Data acquisition I/O
- Data acquisition software
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Rotronic Instrument Corporation
- Relative humidity and dew point instruments, probes, indicators and transmitters
- Humidity calibrators
- Humidity chambers
- Water activity measurement systems
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Validyne Engineering Sales Corp.
- Industrial and laboratory instrumentation
- Differential pressure
- Absolute pressure
- High static low Dp
- Signal Conditioning
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