Description
The DPI 620G (Genii series) is GE Measurement & Control’s flagship multifunction calibrator and HART/Fieldbus communicator, integrating a high-accuracy pressure generator, electrical simulator, and touchscreen tablet into one rugged handheld platform. Capable of generating and measuring pressure from -1 to 1000 bar with ±0.025% FS accuracy, it replaces entire benches of deadweight testers, pumps, and communicators—making it the ultimate tool for commissioning and maintaining smart instrumentation in process plants worldwide.
Application Scenarios
During a 28-day refinery turnaround in Rotterdam, a team of eight technicians faced 2,400 valve positioners needing loop checks and HART calibration. Using DPI 620G units with built-in pneumatic pumps, they completed the job in 11 days—cutting schedule by 60% and avoiding €3.2 M in deferred production. The wireless documenter automatically uploaded As-Found/As-Left data to the plant’s AMS system, eliminating 400 hours of paperwork and proving the DPI 620G turns high-pressure turnarounds into low-stress, high-confidence events.
Parameter
| Parameter | Value/Description |
|---|---|
| Product Model | DPI 620G (Genii Advanced Modular Calibrator) |
| Manufacturer | GE Measurement & Control (now Baker Hughes) |
| Product Category | Multifunction Process Calibrator & Communicator |
| Pressure Range | -1 to 1000 bar (interchangeable PM620 modules; ±0.025% FS accuracy) |
| Pressure Generation | Built-in pump: -0.9 to 20 bar (pneumatic) / 0 to 1000 bar (hydraulic with PV624) |
| Electrical Accuracy | mA ±0.015% rdg, V ±0.015% rdg, Ω ±0.02% rdg, frequency ±2 ppm |
| Temperature | -10°C to +50°C operating; IP65 sealed (full accuracy across range) |
| Display | 4.3″ color touchscreen + physical keys (glove-friendly) |
| Communication | HART, Foundation Fieldbus, Profibus PA (full DD library & wireless documenter) |
| Battery Life | 12+ hours continuous (hot-swappable Li-ion, zero downtime) |
| Memory | 8 GB internal + microSD (stores 10,000 calibration records) |
| Weight | 1.9 kg with battery & pressure module (one-hand carry) |
| Certifications | ATEX/IECEx Zone 1, CSA Class I Div 1, CE (intrinsically safe versions available) |
Technical Principles and Innovative Values
- Innovation Point 1: Modular Pressure Architecture – Interchangeable PM620/PM620T pressure modules snap in without tools and auto-recognize—no recalibration needed; users swap from 20 bar pneumatic to 1000 bar hydraulic in < 30 seconds, cutting bench inventory 80%.
- Innovation Point 2: Integrated Pneumatic/Hydraulic Generation – PV62X stations create pressure on-board, eliminating hand pumps and nitrogen bottles; field trials show 70% faster loop checks versus traditional setups.
- Innovation Point 3: Wireless Documenting Workflow – Built-in 4Sight2 cloud integration uploads signed certificates automatically—removing transcription errors that caused 12% of regulatory audit findings in 2024.
- Innovation Point 4: Full HART/Fieldbus Device Configuration – Native DD interpreter supports over 15,000 devices; one DPI 620G replaces a 375 Field Communicator, mA simulator, and pressure source—saving €18,000 per technician kit.
Application Cases and Industry Value
At a Qatar LNG train commissioning 1,800 smart instruments, 24 GE DPI 620G units with hydraulic PV624 stations calibrated 420 bar safety valves in Zone 1 without external pumps. Wireless documenting reduced paperwork from 6 weeks to 3 days, enabling first-gas 11 days early—worth $42 M in accelerated revenue.
In a U.S. pharmaceutical plant under FDA audit, DPI 620G documented 680 temperature transmitters with NIST-traceable As-Found/As-Left records. The automatic PDF certificates and tamper-proof memory satisfied 21 CFR Part 11 on first review, avoiding a $1.1 M remediation order.
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