The Woodward 9907-1349 is a premium current-to-pressure converter from the renowned CPC-II series, designed for high-performance signal conversion in industrial automation systems. This advanced 9907-1349 model excels in converting 4-20mA electrical signals to precise 3-15psi pneumatic outputs with enhanced dynamic response characteristics. As a critical interface component between electronic control systems and pneumatic actuators, the 9907-1349 delivers exceptional stability and repeatability in demanding process control applications. Its robust construction and advanced signal processing make the 9907-1349 particularly suitable for installations requiring fast response times and reliable operation under varying environmental conditions.
Technical Specifications
Product Model | 9907-1349
Manufacturer | Woodward
Product Type | CPC-II Current-to-Pressure Converter (Enhanced Dynamics)
Input Signal | 4-20mA DC (2-wire)
Output Pressure | 3-15psi (0.2-1.0 bar)
Response Time | <80ms (90% of span)
Accuracy | ±0.2% of span
Hysteresis | <0.1% of span
Supply Pressure | 20-30psi (1.4-2.1 bar)
Operating Temperature | -40°C to +90°C
Housing | Marine-grade aluminum with epoxy coating
Weight | 2.4kg
Mounting Options | Panel or DIN rail (35mm)
Certifications | ATEX, IECEx, SIL-2
Key Features and Advantages
The Woodward 9907-1349 stands out with its industry-leading ±0.2% accuracy and ultra-fast response time, making it ideal for critical control applications. Its patented flapper-nozzle design ensures smooth, stable output even with fluctuating supply pressures. The 9907-1349 features advanced temperature compensation that maintains precision across the full operating range from -40°C to +90°C. With its rugged marine-grade aluminum housing and corrosion-resistant finish, the converter withstands harsh industrial environments. The unit’s field-adjustable zero and span settings simplify calibration, while the clear status indicators facilitate quick troubleshooting.
Application Fields
The Woodward 9907-1349 excels in demanding industrial applications requiring precise pneumatic control. In oil & gas, it’s used for critical pressure regulation in compressor anti-surge systems. Power plants utilize the 9907-1349 for precise fuel valve control in gas turbines. Chemical processing applications benefit from its stability in reactor pressure control loops. The converter also finds extensive use in pharmaceutical manufacturing where precise pneumatic control is required for bioreactor systems. Its robust design performs reliably in marine and offshore installations subject to vibration, humidity, and salt spray.
Related Products
- Woodward 9907-1200 CPC-II series current-pressure converters
- Woodward 8901-457 current-pressure Converter CPC-II series
- Woodward 9907-1228 CPC-II series current-pressure converters
- 9907-1201 – Compact DIN rail mount version
- 9907-1202 – Multi-input version (accepts voltage signals)
Installation and Maintenance
Installation preparation: When installing the Woodward 9907-1349, ensure clean, dry instrument air supply with proper filtration (40 micron recommended). Verify adequate space for maintenance access and proper grounding of the unit. All pneumatic connections should use appropriate thread sealant compatible with instrument air.
Maintenance recommendations: Regular inspection of the 9907-1349 should include checking for air leaks and verifying calibration accuracy. Annual recalibration is recommended for most applications, or quarterly in critical processes. Monitor the air filter differential pressure and replace when exceeding 5psi. Keep the unit clean and protect from excessive moisture and contamination.
Product Assurance
Woodward provides 12-month comprehensive warranty coverage for the 9907-1349, including replacement service with 48-hour turnaround for critical failures. Each unit undergoes extensive factory testing to ensure it meets Woodward’s stringent quality standards. Our global service network offers technical support and on-site assistance when required.
