Overview
Burkert pressure transmitters are high-performance measurement devices engineered for demanding industrial applications. As part of Burkert Fluid Control Systems' product portfolio, these transmitters combine German precision engineering with robust construction to deliver consistent performance in critical processes. They serve as essential components in closed-loop control systems across multiple industries. Manufactured under ISO 9001 standards, Burkert transmitters comply with international certifications including ATEX, SIL, and EHEDG where applicable. The modular design allows customization for specific process requirements, with variants available for hygienic, hazardous, or general industrial environments.
Structure and Working Principle
The transmitter consists of three primary components: a pressure sensor (strain-gauge or capacitive type), signal conditioning electronics, and a process connection. The sensing element deforms under applied pressure, with this mechanical displacement converted into an electrical signal through piezoresistive or capacitive principles. Advanced models incorporate temperature compensation circuits to maintain accuracy across operating conditions. The conditioned signal is then transmitted as a 4-20mA analog output or digital communication (HART, Profibus, or Foundation Fieldbus). Industrial-grade housing protects internal components from environmental factors while allowing easy integration into control systems via DIN rail or direct mounting.
Key Features
Burkert transmitters distinguish themselves through exceptional metrological performance with typical accuracies of ±0.1% to ±0.5% full scale. The stainless steel wetted parts ensure compatibility with aggressive media, while optional ceramic sensors provide superior resistance to abrasion in slurry applications. Specialized versions feature hygienic Tri-Clamp or DIN 11851 connections for pharmaceutical use, and ATEX-certified models for explosive atmospheres. Intelligent diagnostics capabilities in premium variants enable predictive maintenance by monitoring device health parameters. The compact, space-saving designs accommodate installation in confined areas common in skid-mounted equipment.
Application Areas
These transmitters are deployed across diverse sectors requiring precise pressure monitoring. In food processing, EHEDG-compliant models measure CIP/SIP processes with smooth surfaces that prevent bacterial growth. Pharmaceutical applications utilize USP Class VI compliant materials for bioprocessing. The chemical industry benefits from Alloy C276 (Hastelloy) sensors for corrosive media, while water treatment plants employ submersible variants for level measurement. OEM machinery builders frequently integrate Burkert transmitters into hydraulic systems due to their vibration resistance and stable long-term drift characteristics.
Maintenance and Precautions
Proper installation is critical - mounting position should avoid vibration sources and allow for venting in gas applications. Periodic verification against reference standards is recommended, though the solid-state design typically requires no routine maintenance beyond visual inspections. For liquid service, ensure the diaphragm remains wetted to prevent dry-running damage. When used with pulsating pressures (e.g., pumps), consider adding pulsation dampeners. Always adhere to specified overpressure limits (usually 1.5x rated pressure) and never apply test pressures exceeding the sensor's burst rating.
B2B Procurement Guide
Industrial buyers should specify these key parameters: pressure range (including static and overload ratings), process connection type (G1/4", 1/2" NPT, etc.), accuracy class, output signal format, and required certifications. Lead times for custom configurations typically range 4-8 weeks. Evaluate total cost of ownership considering calibration intervals - premium models often feature longer stability periods. For batch processes, verify cleanability requirements. Distributors may offer value-added services like pre-calibration to customer-specific ranges or local inventory stocking programs for common variants.
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