Description
Technical Specifications Table
| Parameter | Specification |
| Model Number | Bently Nevada 126599-01 |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Product Type | Industrial Seismic Velocity Sensor |
| Measurement Range | 0-25.4 mm/s (1 in/s) peak |
| Frequency Response | 10 Hz to 1 kHz (±3 dB) |
| Sensitivity | 200 mV/mm/s (5.0 mV/mil/s) |
| Output Signal | 2-wire, 4-20 mA |
| Power Supply | 18-30 VDC loop powered |
| Housing Material | 316L Stainless Steel |
| Mounting | M10 x 1.5 threaded stud |
| Operating Temperature | -40°C to +120°C (-40°F to +248°F) |
| Environmental Rating | IP68 (submersible to 3m) |
| Shock Resistance | 100 g, 11 ms half-sine |
| Compliance Standards | API 670, ISO 10816, ATEX/IECEx (optional) |
BENTLY 126599-01
Product Overview
The Bently Nevada 126599-01 represents the next generation of industrial seismic velocity transducers, designed for extreme-duty machinery monitoring applications. This advanced sensor provides highly accurate velocity measurements for predictive maintenance programs in the most challenging operating environments.
As part of Bently Nevada’s premium monitoring solutions, the 126599-01 features enhanced durability with its marine-grade 316L stainless steel construction and IP68-rated submersible design. The transducer incorporates advanced signal conditioning electronics that maintain measurement accuracy even in the presence of strong electromagnetic interference.
Key Features and Benefits
Advanced Measurement Technology:
Extended frequency response with improved phase linearity
Automatic temperature compensation (±0.5% typical)
Advanced EMI/RFI filtering (up to 60 dB rejection)
Dual-range output (field-selectable 4-20mA or 2-10V)
Extreme Environment Design:
Submersible to 3 meters (IP68)
Corrosion-resistant 316L stainless steel housing
Hermetic glass-to-metal seals
Explosion-proof versions available (ATEX/IECEx)
Smart Monitoring Capabilities:
Built-in diagnostics (sensor health monitoring)
Plug-and-play auto-configuration
Digital identification (IEC 61987 compliant)
Predictive maintenance trending outputs
Industrial Applications
Offshore/Marine:
Shipboard machinery monitoring
Offshore platform equipment
Subsea pump vibration analysis
Extreme Environments:
Cryogenic pump monitoring
High-temperature turbine applications
Chemical processing plants
Critical Infrastructure:
Nuclear power plant equipment
Water treatment facilities
LNG compressor protection
BENTLY 126599-01
Installation Guidelines
Mechanical Installation:
Surface preparation (Ra < 1.6 μm recommended)
Apply anti-seize compound to threads
Torque to 25 Nm ±10% using calibrated wrench
Verify proper grounding path
Electrical Connection:
Use double-shielded cable (Belden 8761 or equivalent)
Ground shield at monitor end only
Maintain minimum 30 cm separation from power cables
Verify loop impedance (<600Ω)
Commissioning:
Perform baseline measurement
Verify frequency response
Set alarm thresholds
Record as-left calibration data
Maintenance Procedures
Preventive Maintenance:
Quarterly visual inspections
Annual calibration verification
Biannual cable integrity tests
5-year comprehensive overhaul
Diagnostic Features:
Built-in self-test capability
Degradation trend monitoring
Fault code output
Predictive replacement indicators
Troubleshooting:
LED status indicator (green/red)
Output signal validation
Vibration signature analysis
Comparative channel monitoring
Warranty and Support
Premium Coverage:
36-month extended warranty
Includes calibration drift
On-site replacement service
Priority technical support
Global Support Network:
24/7 emergency response
Regional repair centers
Application engineering
Training programs
Documentation Package:
SIL compliance documentation
Hazardous area certifications
Material traceability records
Installation validation forms
The Bently Nevada 126599-01 sets a new standard for reliability in industrial vibration monitoring, combining advanced sensing technology with extreme environment durability for mission-critical machinery protection applications.
