Setra 209 Pressure Transducer
Overview
The Setra 209 is an industrial and OEM pressure transducer engineered for plants and equipment builders who need dependable pressure signals at an affordable price point. Built around a capacitive sensing element, the Setra 209 delivers ±0.25% full-scale accuracy across pressure ranges from as low as 1 PSI up to 10,000 PSI, giving instrumentation engineers a single transducer family that can be specified across hydraulic systems, compressor control, industrial engines, and general HVAC/R equipment without switching sensor technologies between low and high pressure duty points.
As the official authorized partner and exclusive regional representative for Setra, Seven Star LLC proudly supplies the Setra 209 pressure transducer to process plants, OEM equipment manufacturers, and industrial maintenance teams across the Sultanate of Oman, Muscat, and the wider GCC region. Facilities in Sohar and Salalah specify the Setra 209 when they need a genuine, factory-calibrated transducer backed by manufacturer traceability, and Seven Star LLC ensures every unit shipped locally arrives with authentic Setra documentation and full warranty support.
Measurement Principle of the Setra 209
The Setra 209 uses a variable capacitance sensing technology in which the process pressure deflects a stainless steel diaphragm positioned between two fixed capacitor plates. As pressure changes, the gap between the diaphragm and the reference plate changes proportionally, altering the capacitance in a highly linear and repeatable manner. This solid-state approach avoids the strain-gauge drift and welded-joint fatigue that limit the service life of older mechanical and piezoresistive transducer designs, giving the Setra 209 the stability required for continuous duty in demanding plant environments.
Because the sensing diaphragm and reference plate are all-stainless-steel wetted materials, the Setra 209 resists corrosion from a wide variety of process gases and liquids while maintaining its rated accuracy over the transducer’s operating life. The design incorporates a patented overpressure stop that lets the sensor withstand overpressure conditions up to 16 times the rated range without permanent damage, a critical benefit in hydraulic systems and reciprocating compressor applications where pressure spikes and pulsation are routine. The result is a transducer that resists nuisance failures without requiring costly external snubbers or surge protection.
Engineering Design of the Setra 209
Setra engineered the 209 with flexibility as a core design goal, offering a wide range of pressure fitting and electrical connector combinations to fit challenging OEM installation requirements without custom engineering. The transducer accepts common process fittings and is available with either a 4-20 mA current output or a voltage output, letting integrators select the interface that matches their existing control system without adding a separate signal converter. This flexibility minimizes engineering time during equipment design, allowing OEM manufacturers to reach production faster.
The Setra 209 operates on low-cost unregulated DC power, simplifying the power supply design for OEM control panels, and its rugged construction is rated for high shock and vibration applications typical of mobile and industrial engine platforms. With no seals or O-rings prone to leakage and no brazed joints susceptible to corrosion, the Setra 209 is built for long-term reliability in the field, and the unit carries CE and RoHS compliance for use across international projects.
Key Features
The Setra 209 pressure transducer combines industrial-grade construction with the flexibility OEM integrators require. Core capabilities include:
- Exceptional ±0.25% full-scale accuracy across the complete Setra 209 product range.
- True low-range sensor design supporting full-span ranges down to 1 PSI without additional signal amplification.
- Pressure coverage extending up to 10,000 PSI for demanding hydraulic and compressor applications.
- All stainless steel wetted materials for broad chemical and process fluid compatibility.
- Patented overpressure stop rated to 16X the sensor’s rated range on select ranges.
- Selectable 4-20 mA current output or voltage output to match existing control architecture.
- Rugged design suited to high shock and vibration environments, including mobile equipment.
- CE and RoHS compliant construction for use across regional and international installations.
Industrial Applications
Process plants and equipment manufacturers throughout the region specify the Setra 209 wherever a compact, reliable pressure signal is needed at a competitive installed cost. Hydraulic power units on construction and material handling equipment use the Setra 209 to monitor system pressure and protect pumps from cavitation, while compressor control panels rely on it to track suction and discharge pressure across multi-stage compression trains. HVAC/R equipment manufacturers integrate the Setra 209 into chillers and refrigeration packages destined for district cooling plants and commercial developments across Muscat, and industrial engine OEMs use it for oil and fuel pressure monitoring in generator sets deployed throughout Oman’s power and water infrastructure projects.
As the officially authorized partner for Setra, Seven Star LLC distributes the Setra 209 to OEM panel builders, industrial maintenance contractors, and process engineering firms operating within the Sohar and Salalah economic zones, as well as to industrial clients throughout Muscat and the broader Sultanate of Oman. Because every unit is genuinely sourced through the authorized Setra supply chain, quality and reliability engineering teams can specify the Setra 209 with full confidence in its traceable accuracy for OEM production runs, plant retrofit projects, and safety-critical pressure monitoring loops across the GCC.
Technical Specifications
Key technical parameters for the Setra 209 pressure transducer:
| Parameter | Specification |
|---|---|
| Model | Setra 209 |
| Sensor Technology | Variable capacitance, stainless steel diaphragm |
| Accuracy | ±0.25% of full scale (RSS) |
| Pressure Ranges | 1 PSI up to 10,000 PSI (gauge, compound and absolute variants) |
| Overpressure Protection | Up to 16X rated range on select ranges (patented stop) |
| Wetted Materials | 300 Series stainless steel |
| Output Signal | 4-20 mA (2-wire) or DC voltage output |
| Power Supply | Low-cost unregulated DC power |
| Electrical Connections | Multiple configurable connector options |
| Process Connections | Multiple configurable pressure fitting options |
| Compliance | CE, RoHS |
| Typical Applications | Hydraulic systems, compressor control, HVAC/R, industrial engines |
Request a Quote for Setra 209 Pressure Transducer
To submit a formal Request for Quote (RFQ), confirm regional warehouse stock, or download the complete technical datasheet for the Setra 209 pressure transducer, contact the instrumentation division at Seven Star LLC today. As the authorized partner for Setra in Oman and the GCC, our engineers can help specify the correct pressure range, output signal, and connection configuration for your OEM equipment or plant instrumentation project, and ensure your order arrives with full manufacturer traceability and local warranty support.
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