PDS803 Direct-Mount Pressure Transmitter
Features a monocrystalline silicon sensing element with a direct-mount design for gauge and absolute pressure measurement of liquids, gases, and steam. Delivers high accuracy, long-term stability, and intelligent diagnostics.
Technical data
| Best measurement accuracy: | ±0.025%FS | Measuring range: Gauge: | -0.1 ~ 70 MPa; absolute: 0 ~ 20 MPa |
| Maximum turndown ratio: | 100:1 | Process temperature: Silicone oil: | -40°C to ~ 120°C; fluorinated oil: -52°C ~ +120°C |
| Pressure rating: | Maximum overload pressure: 105 MPa | Communication protocols: | HART 7, PROFIBUS-PA 3.02, FOUNDATION Fieldbus 6.1.1, Ethernet-APL, AutBus |
| Output signal: | 4–20 mA DC with HART; digital fieldbus signals | Power supply: | 4–20 mA: 10.5 to 45 VDC; HART communication: 15.8 to 45 VDC; PA/FF: 9 to 32 VDC; Ethernet-APL: 9.6 to 15 VDC |
| Long-term stability: | ≤±0.1%FS over 10 years | Body temperature effect at 1:1 turndown: | ≤±0.07%FS/28°C |
| Response time: | ≤90 ms | Ambient temperature: | -40°C ~ +85°C |
| Ingress protection: | IP66/IP67 | Damping setting: | 0 ~ 100 s |
| Electrical entries: | M20×1.5; 1/2 NPT | HART loop load: | 230 ~ 500 Ω |
| Power supply effect: | ≤0.005% of calibrated span/V |
Features & Benefits
Direct Mounting, Simple Installation
Direct-mount process connection avoids impulse piping and reduces potential leak points.
High Accuracy, Stable Measurement
High-accuracy sensing combined with digital compensation maintains consistent measurement performance.
Multiple Protocols, Easy Configuration
Supports multiple communication protocols including HART, with remote configuration capability.
Smart Diagnostics, Efficient Maintenance
Intelligent diagnostics for monitoring transmitter status and process anomalies.
Material Options, Versatile Applications
Available in multiple wetted materials and explosion-proof configurations.
Certifications
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IECEx Explosion Protection Certification
Certified to the IEC 60079 series for intrinsic-safety and flameproof protection.
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ATEX Explosion Protection Certification
Complies with EU Directive 2014/34/EU for equipment used in explosive atmospheres.
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CE-EMC Electromagnetic Compatibility Certification
Complies with Directive 2014/30/EU and EN IEC 61326-1 electromagnetic compatibility requirements.
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BV Marine Type Approval
Type approved by Bureau Veritas for ships and offshore units.
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SIL Functional Safety Certification
Complies with IEC 61508 functional safety requirements for SIL 2 and SC 3.
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EAC 012 Explosion Protection Certification
Complies with TR CU 012/2011 explosion-protection requirements for the Eurasian Economic Union.
Applications
Oil & Gas
Pressure monitoring for pipelines, compressors, and storage & transportation systems
Chemical Processing
Pressure measurement for reactors, process piping, and process units
Power & Energy
Pressure monitoring for boiler auxiliaries, steam system, and water system
Water & Wastewater Treatment
Pumping stations, water supply and drainage networks, and filtration systems
Metallurgy
Pressure monitoring for hydraulic systems, pneumatic systems, and process media
Case Studies
CNOOC China Limited, Zhanjiang Branch
Onshore Terminal for the Wushi 17-2 Oilfields Development Project
Wanhua Chemical Group Materials Co., Ltd.
10,000 Tonnes per Year Lithium Hexafluorophosphate Project
Nine Dragons Worldwide (China) Investment Group Co., Ltd.
High-Grade Specialty Paper Production Line Construction Project
Zhejiang Petrochemical Co., Ltd.
40 Million Tonnes per Year Integrated Refining and Petrochemical Project
Shandong Weiqiao Pioneering Group Co., Ltd.
Zhanhua Alumina Phase III Project
Kweichow Moutai Co., Ltd.
Moutai Plant Boiler Water Treatment System Upgrade Project
