| Customization: | Available |
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| Type: | Normal Pressure Transmitter |
| Structure Type: | Capacitive Pressure Transmitter |
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Rosemount 2090PG Pressure Transmitter Product Introduction
1. Overview
The Rosemount 2090PG pressure transmitter is a high-precision, robust industrial instrument designed specifically for demanding applications in the pulp and paper industry. This compact and rugged device excels in measuring pressure and level under harsh conditions, offering reliability and accuracy even in environments with high temperatures, vibrations, and corrosive media. Its flush-mounted design minimizes process media buildup, making it ideal for applications involving viscous or particulate-laden fluids
Key industries served include pulp processing, refining, screening, vacuum systems, and storage tanks. The 2090PG series is part of Emerson's Rosemount portfolio, renowned for its advanced diagnostics, user-friendly configuration, and compatibility with HART® communication protocols.
2. Key Features
2.1 Flush-Mount Installation
The 2090PG supports two installation options:
1-inch flush mounting compatible with PMC® process connections for seamless integration into pipelines.
1.5-inch threaded mounting for versatile deployment in tanks and reactors. This design eliminates dead zones, reducing maintenance needs in applications with sludge, pulp, or fibrous media
2.2 High Accuracy and Stability
Measurement accuracy: ±0.20% of span, ensuring precise process control
Turndown ratio: Up to 20:1, allowing flexible calibration across a wide operating range
Long-term stability: Enhanced sensor technology minimizes drift, even under cyclic loading.
2.3 Robust Construction
Wetted materials: 316L stainless steel for corrosion resistance in aggressive chemical environments.
Protection ratings: IP66/67 for dust and water resistance, suitable for outdoor and washdown areas.
Temperature tolerance: Operates reliably within -40°C to 85°C (-40°F to 185°F).
2.4 Advanced Diagnostics
HART® protocol integration: Enables remote configuration, real-time monitoring, and troubleshooting
Self-diagnostics: Detects issues such as sensor faults, memory errors, and signal saturation, displaying intuitive error codes (e.g., FailModule, TempLimit).
Loop testing: Simulates 4-20 mA output for calibration and system validation.
| Parameter | Specification |
| Model | 2090PG |
| Type | Gage Pressure Transmitter |
| Measurement Range | 0-1.5 to 0-300 psi (gage) |
| Accuracy | 0.20% of span (standard); 0.10% with P8 high-accuracy option |
| Turndown Ratio | 20:1 |
| Output Signal | 4-20 mA HART® Protocol |
| Power Supply | 10.5-42.4 V DC |
| Process Connection | 1-in. flush mount (PMC® compatible) or 1½-in. threaded |
| Wetted Materials | 316L stainless steel (diaphragm), Silicone oil fill |
| Display | Configurable LCD (shows process variables, diagnostics) |
| Certifications | ATEX, IECEx, CSA, FM (varies by configuration) |
| Environmental Rating | IP65 |
| Warranty | Up to 5-year limited warranty (optional WR5) |
| Operating Temperature | -40°C to 85°C (-40°F to 185°F) |
| Mounting Options | SST mounting bracket (optional B4) |
| Communication Protocol | HART® Revision 7 (selectable) |
| Pressure Limits | Sensor limits up to 300 psi (20.7 bar) |
3. Technical Specifications
3.1 Mechanical Specifications
Weight: 2.74 lb (1.24 kg)
Dimensions: 3.9 x 5.0 x 5.75 inches (99 x 127 x 146 mm)
Housing material: Aluminum alloy with epoxy coating
3.2 Certifications
Explosion-proof ratings: ATEX, IECEx, and NEC/CEC for hazardous areas.
Compliance: SIL 2/3 (upon configuration), NEPSI, and CE.
4. Applications in Pulp and Paper Industry
The 2090PG is optimized for critical processes such as:
Stock Preparation: Monitoring pressure in refiners and screens to ensure consistent pulp quality.
Vacuum Systems: Controlling vacuum levels in dewatering units and suction rolls.
Chemical Recovery: Measuring caustic and acid flows in digesters and bleach plants.
Storage Tanks: Level detection for black liquor, white liquor, and process water
5. Fault Diagnosis and Maintenance
5.1 Common Error Codes
PressLimit: Indicates pressure exceeding sensor limits; recalibrate or replace the diaphragm.
FailModule: Sensor module disconnection; inspect cable connections or replace the module.
CurrFixed: Output locked in multi-drop mode; reconfigure analog output settings.
5.2 Maintenance Best Practices
Regular Calibration: Use HART® communicators to adjust zero and span settings
Sensor Inspection: Clean diaphragms and check for mechanical damage during shutdowns.
Electrical Checks: Verify loop resistance (≤435 Ω) and ensure proper grounding to avoid signal noise
6. Advantages Over Legacy Models
Enhanced accuracy: 0.20% vs. 0.5% in older transmitters.
Compact design: 30% smaller footprint for easier installation in congested areas.
Extended diagnostics: Real-time alerts for memory faults (FailConfig) and security breaches (WriteProtect).
7. Ordering Information
The model 2090PG2S22A1B4 includes:
Gauge pressure measurement.
316L SST wetted parts.
4-20 mA HART® output.
1.5" NPT threaded connection.
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Company Achievements
KeRui (Weifang) Automation Equipment Co. Ltd. Has maintained a cooperatve relationship with Rosemount for 15 years, and our purchase quantity has reached 20,000 units. We supplied the tuning fork level gauge to the Rosemount factory and have been well received by the Beijing factory. We have cooperated with Yokowaga and maintained a cooperative relationship for 8 years, and our purchase quality has reached 7000 units. The companies we have cooperated with: 1. Awarded "Outstanding Supplier by Yanchang Petroleum in 2008 2. In December 2012, our company was awarded the "Excellent Equipment Service Award" for the expansion project of units 6 and 7 of the Guangdong Guohua Yuedaishan Power Plant 3. Awarded "Outstanding Supplier by Yaxing Group in 2013 4.200 transmitters for Haihua Group's ethylene debottlenecking transformation project in 2015. 5. In 2018, we were rewarded as a National Nuclear Power Instrumentation Industry Measurement and Testing Alliance member. 6.160 transmitters and 20 electric autuators for the Shandong Laigang Yongfeng Steel expansion project in 2019 7.In 2022, Jinneng Chemical (Qingdao) Co., Led/ Jinneng 2x450,000 tons/ year high-performance polypropylene project (newly built) equipped 460 transmitters from our company. 8. In 2022, Shandong Qinghe Chemical Technology Co., Ltd.s hydrogen peroxide method epoxy propane device and supporting hydrogen peroxide device expansion project used 253 pressure transmitters. 9.In 2022, the Wanhua Chemical HTN project NPG installed 320 transmitters and 50 sets of valve positioners. |
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