Technical Overview
The Yokogawa F9900RP functions as a high-performance pressure transmitter within the DPharp series of digital field instruments. This device converts process pressure into a standard 4-20 mA DC signal with HART protocol for seamless integration with distributed control systems. Its single-crystal silicon resonant sensor delivers exceptional accuracy and long-term stability for demanding process applications. The F9900RP also supports BRAIN and FOUNDATION Fieldbus communications, providing flexible connectivity options for modernization projects .
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa Electric Corporation |
| Product Type | Pressure Transmitter / Digital DPharp |
| Measurement Types | Gauge pressure, absolute pressure |
| Output Signal | 4-20 mA DC with HART / BRAIN protocol |
| Communication Protocols | HART, BRAIN, FOUNDATION Fieldbus |
| Sensor Technology | Single-crystal silicon resonant sensor |
| Accuracy | ±0.04% (standard) / ±0.025% (reference class) |
| Response Time | 95-200 ms |
| SIL Certification | SIL 2 (standard) / SIL 3 (redundant) |
| Display | Integrated digital indicator (optional) |
| Diagnostic Functions | 40 self-checks, impulse line blockage detection |
| Mounting Type | 2-inch pipe or direct mounting |
| Wetted Materials | 316L stainless steel, Hastelloy C-276 |
| Process Connections | 1/2 NPT female, G1/2, M20 |
| Enclosure Material | Cast-aluminum alloy or SCS14A stainless steel |
| Protection Class | IP67 / NEMA 4X |
| Power Supply | 10.5-42 VDC (HART) / 9-28 VDC (Fieldbus) |
| Weight | 1.0 kg (approx.) |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -40°C to +85°C |
| Certifications | CE, CSA, TÜV (IEC 61508), NACE MR0175 |
Advanced Sensor Technology
The Yokogawa F9900RP uses a single-crystal silicon resonant sensor that simultaneously measures both pressure and static pressure . This multisensing technology enables advanced diagnostic functions, including impulse line blockage detection. Moreover, the sensor’s digital architecture provides superior performance compared to older analog designs .
Communication and Integration
This transmitter supports BRAIN and HART protocols for remote setup, monitoring, and diagnostics using a handheld terminal or DCS . FOUNDATION Fieldbus versions offer additional capabilities for digital plant architectures. The F9900RP integrates seamlessly with Yokogawa CENTUM VP and other control systems .
Diagnostics and Reliability
The F9900RP performs 40 self-diagnostic checks to verify internal functionality continuously. Its patented back-check technology validates all calculations in real-time, ensuring measurement integrity. Additionally, the transmitter complies with IEC 61508 for use in SIL 2 and SIL 3 safety instrumented functions
Details
| Weight | 0.5 kg |
|---|---|
| Dimensions | 32 × 178 × 142 mm |
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