Model：SITRANS P300 for gauge and absolute pressure
Description
1.Overview
The SITRANS P300 is a digital pressure transmitter for relativeand absolute pressure. The conventional thread versions are available as process connections, as are flush-mounted versions.A large number of the flush-mounted versions are suitable for food and pharmaceutical applications, and satisfy the EHEDG and 3A hygiene requirements.The output signal is a load-independent direct current from 4 to20 mA or a PROFIBUS PA or FOUNDATION signal, which is linearly proportional to the input pressure. Communication is via HART protocol or PROFIBUS PA interface. Convenient buttons for easy local operation of the basic settings of the pressure transmitter.The SITRANS P300 has a single-chamber stainless steel casing.
The pressure transmitter is approved with "intrinsically safe" type of protection. It can be used in zone 1 or zone 0. 2.Benefits
• High quality and service life
• High reliability even under extreme chemical and mechanical loads
• Extensive diagnosis and simulation functions
• Minimum conformity error
• Small long-term drift
• Wetted parts made of high-grade materials (such as stainless steel, Hastelloy)
• Measuring range 0.008 bar to 400 bar (0.1 psi to 5802 psi)
• High measuring accuracy
• Parameterization over control keys and HART or PROFIBUS PA or FOUNDATION Fieldbus 3.Application
The pressure transmitter is available in versions for gauge pressure and for absolute pressure. The output signal is always a load-independent direct current from 4 to 20 mA or a PROFIBUS PA or FOUNDATION Fieldbussignal, which is linearly proportional to the input pressure. The pressure transmitter measures aggressive, non-aggressive and hazardous gases, as well as vapors and liquids.
It can be used for the following measurement types:
• Gauge pressure
• Absolute pressure
With appropriate parameter settings, it can also be used for the following additional measurement types:
• Level
• Volume
• Mass
The "intrinsically-safe" Ex version of the transmitter can be installed in hazardous areas (zone 1). The transmitters are provided with an EC type examination certificate and comply with the respective harmonized European standards of ATEX. 3.Gauge pressure
This variant measures aggressive, non-aggressive and hazardous gases, vapors and liquids.
The smallest span is 0.01 bar (0.15 psi), the largest is 400 bar (5802 psi). 4.Level
With appropriate parameter settings, the gauge pressure variant measures the level of aggressive, non-aggressive and hazardous liquids.
For measuring the level in an open container you require one device;for measuring the level in a closed container, you require two devices and a process control system. 5.Absolute pressure
This variant measures the absolute pressure of aggressive, nonaggressive and hazardous gases, vapors and liquids.
The smallest span is 0.008 bar a (0.12 psia), the largest is 30 bar a (435 psia).
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