Abstract: How is the CA700 Pressure Calibrator used? What are the applications? The CA700 Yokogawa Pressure Calibrator is a high-precision, high-performance pressure calibrator designed to calibrate differential pressure transmitters with the highest precision and ultra-wide range. The understanding of the application and function of the CA700 pressure calibrator is of great significance!
Features
1. Has the highest precision in the same portable instrument
The CA700 uses a silicon resonant sensor that embodies Yokogawa's high-end technology, achieving the highest measurement accuracy in its class of portable pressure calibrators. When measuring pressure, the accuracy is up to ±0.01% of the reading. Accuracy is as high as ±0.015% of reading when outputting and measuring voltage/current. High-precision pressure and DC current input/output must be performed when calibrating field devices, and the CA700 can fully meet this requirement. Among the products of the same price, the CA700 is the only pressure calibrator that can simultaneously output and measure current/voltage.
Development Background Plants often use a large number of field devices such as differential pressure transmitters and pressure switches. In order to maintain the measurement accuracy of these devices, periodic calibration must be performed. A pressure calibrator is required to calibrate these devices in the field.
With the growing awareness of stability and safe operations, factories are increasingly concerned with the routine maintenance and overhaul of field devices, requiring pressure calibrators to efficiently perform calibration tasks while maintaining operational standards. In addition, the accuracy of field devices is getting higher and higher, and the factory hopes that the pressure calibrator itself can have higher precision and better performance. To meet these needs, Yokogawa developed the pressure calibrator CA700.
High precision and long-term stability
The use of Yokogawa's self-developed silicon harmonic resonance sensor achieves the highest precision in portable instruments of the same type.
Basic accuracy: Pressure measurement accuracy up to 0.01% of reading Current/voltage measurement accuracy up to 0.015% of reading
User Support Powerful support for on-site calibration and overhaul work The built-in calibration procedure for pressure transmitters and pressure switches records data and error rates (%) before and after calibration. The ultra-wide range achieves the best resolution and ultra-wide range of 0.001 kPa (200.000 kPa range) in the same portable measuring instrument, which is 10 times that of the general field calibrator. Supports ultra-wide range, one CA700 can replace multiple general sites. Calibrator.
The field-powered rugged body and IP54 (dust-proof and drip-proof construction) are suitable for use in harsh operating environments.
The accessories are available in three high performance hand pumps depending on the pressure range.
Hand pump kit model
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A ballcock (also balltap or float valve) is a mechanism or machine for filling water tanks, such as those found in flush toilets, while avoiding overflow and (in the event of low water pressure) backflow. The modern ballcock was invented by José Antonio de Alzate y RamÃrez, a Mexican priest and scientist, who described the device in 1790 in the Gaceta de Literatura Méxicana.[1] It consists of a valve connected to a hollow sealed float by means of a lever, mounted near the top of the tank. The float is often ball-shaped, hence the name ballcock. The valve is connected to the incoming water supply, and is opened and closed by the lever which has the float mounted on the end. When the water level rises, the float rises with it; once it rises to a pre-set level, the mechanism forces the lever to close the valve and shut off the water flow. This is an example of negative feedback and of proportional control.
Ball Cock, Brass Ball Bibcock, Ballcock Valve, Toilet Ballcock Valve
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