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Follow on Google News | Yokogawa Meters & Instruments Releases CA700 Pressure CalibratorBy: Yokogawa Development Background Plants typically have many field devices such as pressure/differential pressure transmitters and pressure switches that need regular calibration to maintain their measurement accuracy. A pressure calibrator is a type of measuring instrument that can be used to calibrate such field devices on site. As the result of a growing awareness of the need for safety and stability in plant operations, increased attention is being paid to the maintenance and inspection of field devices. Thus, there is a strong need for calibrators that operate efficiently and perform to a high standard. The calibration of high-precision field devices requires calibrators that deliver greater accuracy and high performance. Yokogawa has developed the CA700 pressure calibrator to meet these needs. Product Features 1. Best-in-class accuracy Equipped with a silicon resonant sensor that uses proprietary Yokogawa technology, the CA700 can measure pressures with an accuracy that is within ±0.01% of rdg*, making it one of the most accurate portable calibrators on the market. It can also output and measure current and voltage within ±0.015% of rdg. Thanks to this exceptional accuracy, the CA700 is suitable for testing both pressure and DC input/output, which is essential for calibrating pressure transmitters and other devices. The CA700 is the only pressure calibrator in its price range that can generate and measure both current and voltage. * Abbreviation for “reading” 2. Functions that improve calibration efficiency For more stable and efficient calibration, the CA700 is able to store the calibration procedures for pressure transmitters and switches in its internal memory. It also records data and error rates before and after calibration. The stored data can be used for purposes such as analysis of device performance and determination of maintenance frequency, thus improving device maintenance. 3. Wide measurement range The CA700 comes in three models with different measurement ranges: –80 to 200 kPa, –80 to 1000 kPa, and –80 to 3500 kPa (kPa: kilopascal). Users can thus choose the model with the desired measurement range, eliminating the need for the purchase of multiple calibrators. Major Target Markets Oil, gas, petrochemical, chemical, iron and steel, pulp and paper, electric power, and water supply and wastewater treatment industries Applications For commissioning or regular inspection with the following: - Pressure/differential pressure transmitter and pressure switch calibration and input/output testing - Tanks and pipe airtightness testing - Electropneumatic converter operation checking End
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