Pressure Transducers
Pressure Transducers
What is a pressure sensor?
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A pressure sensor is a transducer that converts pressure into an analog electrical signal. Although there are different types of pressure sensors, one of the most common is the "strain-gauge" base transducer.
Converting pressure into an electrical signal is achieved by the physical deformation of strain gauges which are bonded in the diaphragm of the pressure transducer and wired into a wheatstone bridge configuration.
The pressure applied to the pressure transducerproduces a deflection of the diaphragm which introduces strain to the gauges.
The stress and strain produces a change in electrical resistance proportional to the pressure.
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| Type | Description |
|---|---|
| Series 21 Y (A) | PAA-21Y / 0.5...8barAbs / 81556.11 Range 0.5...8bar Absolute, Signal 4...20mA, Thread 7/16"UNF male, 2m Cable, Comp.Temp.0...50C |
| Series 21 Y (B) | PA-21Y / 0...25bar / 81556.11 Range 0...25bar Sealed Gauge, Signal 4...20mA, Thread 7/16"UNF male, 2m Cable, Comp.Temp.0...50C |
| Series 21 Y (C) | PA-21Y / 0...30bar / 81556.11 Range 0...30bar Sealed Gauge, Signal 4...20mA, Thread 7/16"UNF male, 2m Cable, Comp.Temp.0...50C |
| Series 21 Y (D) | PAA-21Y / 0.5...8barAbs / 81553.99 Range 0.5...8bar Absolute, Signal 4...20mA, Thread 7/16"UNF Female, Packard Plug, Comp.Temp.0...50C |
| Series 21 Y (E) | PA-21Y / 0...10bar / 81553.99 Range 0...10bar Sealed Gauge, Signal 4...20mA, Thread 7/16"UNF Female, Packard Plug, Comp.Temp.0...50C |
| Series 21 Y (F) | PA-21Y / 0...30bar / 81553.99 Range 0...30bar Sealed Gauge, Signal 4...20mA, Thread 7/16"UNF Female, Packard Plug, Comp.Temp.0...50C |
| Type | Description |
|---|---|
PAA-21C (G) | / 0...10.3barAbs / 8181640.99 Range 0...10.3bar Absolute, Signal 0.5...4.5V ratio, Supply 5V +/-0.5v, Thread 7/16"UNF Female, Packard Plug, Comp.Temp.-10...80C, Total Error Band over temperature +/-1.5% |
PA-21C (H) | / 0...34.4bar / 8181640.99 Range 0...34.4bar Sealed Gauge, Signal 0.5...4.5V ratio, Supply 5V +/-0.5v, Thread 7/16"UNF Female, Packard Plug, Comp.Temp.-10...80C, Total Error Band over temperature +/-1.5% |
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Technology:
The Y-line transmitters have an extremely small temperature error. This is achieved using an additional circuit containing a temperature sensor that subdivides the temperature range into fields that are 1,5 Kelvin (K) wide. The TK zero and TK compensation values are alculated for each field and programmed into the additional circuit. During operation, these values are fed into the analogue signal path depending on the temperature. Each temperature is the „calibration temperature" for this transmitter. The accuracy thereof is mainly determined by
linearity. 120 fields are available, representing a possible temperature range of 180 K. The wider the temperature range, the greater the amount of testing that is needed to minimise the inaccuracy of the mathematical model
Flexibility:
The extent of the vertical range of manufacture, the modular design and the programmable electronics make it possible to manufacture large, customer-specific batches. The pressure sensors (insulated measuring cells) are manufactured in large quantities and kept in stock. These are then welded into the required transmitter head, equipped with electronics and calibrated over the entire temperature and pressure range in systems with up to 1000 measuring stations
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We stock and supply pressure sensors for industrial use, and can offer next day delivery on parts that are ex. stock. Feel free to give us a call and we can give you up to date prices on the range of pressure sensors and ratiometric pressure transducers.
We accept all major credit cards for payment for pressure sensors and pressure transducers. We can take your order over the phone and also have account facilities available.
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