Ashcroft Inc.
- Pressure transmitters
- Low pressure draft transmitters
- Pressure switches
- Digital gauges
- Diaphragm seals
- Deadweight testers
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Heise Precision Pressure Instruments
- Pressure standards
- Portable pressure calibrators
- Pressure volume controller
- Bench top/panel mount digital pressure indicators and mechanical gauges
- Dial gauges
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Kobold Instruments Inc.
- Flow, level, pressure and temperature switches, indicators, transmitters and controllers
- Instrumentation and controls for demanding industrial uses
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Princo Instruments, Inc.
- RF capacitance level transmitters and switches
- Ultrasonic level
- Open channel flow
- Level by pressure
- FM approved instruments
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Stellar Technology Incorporated
- Pressure and temperature transducers and transmitters
- Aerospace sensors
- Smart sensors
- Load cells
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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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