The Keller Series 23SY pressure transmitter has digital temperature compensation which provides accuracy of 0.3% over 0-50C or 0.4% over -10 to +80°C. It is available in pressure ranges from vacuum to 1000 bar gauge or absolute and can be supplied with 4-20mA, 0-5v, 0-10v or 0.5 – 4.5v outputs.
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 calculated 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 Series 23SY product line is outstanding due to its extreme ruggedness towards electromagnetic fields. The limits of the CE standard are undercut by a factor of up to 10 with conducted and radiated fields.
The Series 23SY covers pressure ranges of -1 to 1,000 Bar with a fully welded sensor.
Specifications
| Pressure Ranges: PA(A)/PR-23SY |
-1 to 1000 Bar Full Scale |
| Output | 4 to 20 mA 0 to 5 V 0 to 10 V 0.5 to 4.5V |
| Storage/Operating Temperature | -40 to +100°C |
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