About Sensocon USA Wet/Wet Differential Pressure Transmitter Series 251-02
Sensocon USA Wet/Wet Differential Pressure Transmitter Series 251-02
The Series 251 wet/wet differential pressure transmitter utilizes a double diaphragm sensor technology that outperforms standard double sensor products in accuracy, reliability and static operating pressure. This differential pressure sensing technology offers 0.25% accuracy with static operating pressures up to 1000 PSI. The Series 251 features 316 stainless steel construction designed to meet NEMA 4X (IP 65) standards. The transmitter also offers exceptional field flexibility with a 5:1 turn down and comes standard with a certificate of calibration.
- Media compatibility: Gas and Liquids compatible with 316SS
- Accuracy: +/- 0.25% F.S.
- Over Pressure: positive - 2x f.S.; negative-1x F.S.
- Working Pressure: 1000 PSI (7MPa)
- Temperature Limits: Operating: -40° to 185°F (-40° to 85°C)Compensated: -4° to 158°F (-20° to 70°C)
- Thermal Effect: +/- 0.028% FS/°F (0.050%FS/°C)
- Stability: +/- 0.5% FS/year
- Power Supply: 12-30 VDC
- Output Signal: 4-20 mA, 2-wire
- Electrical Connetction: mini DIN 43650
- Response Time: 100 ms
- Turn Down: 5:1
- Enclosure Rating: NEMA 4X (IP 65)
- Process Connection: 1/4" NPT female, optional 1/4" G
- Mounting Position Effect:0.1% F.S., can be corrected by zero adjust
- Model Number : 251-02
- Range : 0 - 10 PSI ( 68.9 kPa )
Versatile Output OptionsThe Series 251-02 transmitter provides flexible output signals, allowing users to select between standard 4-20 mA or optional 0-10 V DC based on system requirements. This flexibility supports integration into a range of analog and digital control systems, ensuring compatibility and ease of setup.
Rugged Construction for Industrial EnvironmentsEngineered for industrial applications, the transmitter features a sturdy aluminum housing with stainless steel wetted components. Its IP65 / NEMA 4 rating and rugged coated housing protect against moisture, dust, and corrosion, making it ideal for demanding installations where reliability is critical.
Intuitive Adjustment and Fast ResponseWith dedicated zero and span adjustment features, users can fine-tune the device for precise measurements. The fast response time of less than 5 milliseconds ensures real-time process control and monitoring. Optional LCD display provides immediate visual feedback.
FAQs of Sensocon USA Wet/Wet Differential Pressure Transmitter Series 251-02:
Q: How do I install the Sensocon Series 251-02 Wet/Wet Differential Pressure Transmitter?
A: Installation is straightforward with the included wall-mounting screws. Simply connect the process lines to the 1/4 NPT female ports, wire the screw terminal block for power and output, and follow the steps in the instruction manual for setup and calibration.
Q: What types of media can the transmitter measure pressure for?
A: The transmitter is designed for applications involving both liquids and gases. Its stainless steel wetted parts and Viton or EPDM seals offer broad chemical compatibility for industrial processes.
Q: When should I use zero and span adjustment features?
A: Use the zero and span adjustment functions during initial setup or routine calibration. These allow you to offset and scale the transmitters output, ensuring measurement accuracy across the chosen range and application conditions.
Q: Where can the transmitter be installed given its protection rating?
A: With an IP65 / NEMA 4 enclosure, the transmitter is suitable for installation in indoor or outdoor industrial environments where exposure to dust, moisture, or splashing liquids may occur.
Q: What is the process for selecting the output signal type?
A: Model selection allows users to choose either a 4-20 mA (2-wire) or optional 0-10 V DC (3-wire) output. The choice depends on your control systems input compatibility and wiring preferences, both detailed in the product manual.
Q: How quickly does the transmitter respond to pressure changes?
A: The transmitter boasts a response time of less than 5 milliseconds, enabling rapid signal updates for critical monitoring and control in dynamic industrial processes.
Q: What are the key benefits of using this transmitter in industrial pressure measurement?
A: Key benefits include high measurement accuracy (1% of full scale), robust environmental protection, broad media compatibility, flexible signal output, and fast response time, all within a compact, wall-mountable enclosure tailored to industrial requirements.