Rex Instruments KELLER KELLER Series 23YS / 25Y Pressure Transmitter

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ProComSol develops HART communicators for mobile device software that bridges the gap between HART Protocol devices, allowing for configuration, monitoring, calibrating, and troubleshooting of HART instruments in industrial plants.

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KELLER Series 23YS / 25Y Pressure Transmitter

Product Description

The pressure transmitters of the 23SY series are designed for elevated requirements in industrial applications. Thanks to its modular concept, this series is highly flexible and makes it possible to realise customer-specific requirements in very little time. The sophisticated compensation circuit makes it possible to specify a narrow total error band.

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 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

The Series 23SY / 25Y 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.