Description
Technical Specifications Table
| Parameter | Specification |
| Model Number | Bently Nevada 133442-01 |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Product Type | 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 | 316 Stainless Steel |
| Mounting | M10 x 1.5 threaded stud |
| Operating Temperature | -40°C to +120°C (-40°F to +248°F) |
| Environmental Rating | IP67 |
| Shock Resistance | 100 g, 11 ms half-sine |
| Compliance Standards | API 670, ISO 10816 |
BENTLY 133442-01
Product Overview
The Bently Nevada 133442-01 is a rugged seismic velocity transducer designed for reliable machinery vibration monitoring in demanding industrial environments. This industrial-grade sensor provides accurate velocity measurements for predictive maintenance programs, helping prevent catastrophic equipment failures through early fault detection.
As part of Bently Nevada’s comprehensive condition monitoring portfolio, the 133442-01 features an all-welded stainless steel construction with hermetic sealing for maximum durability. Its wide operating temperature range and IP67 environmental rating make it particularly suitable for harsh applications in oil & gas, power generation, and heavy industry.
Key Features and Benefits
Precision Measurement Technology:
Wide frequency response (10 Hz to 1 kHz) captures critical vibration components
Excellent linearity (±5% typical) across entire measurement range
Stable 4-20 mA output signal for direct PLC/DCS integration
High signal-to-noise ratio for accurate diagnostics
Robust Mechanical Design:
316 stainless steel housing resists corrosion and mechanical stress
Hermetically sealed construction prevents moisture ingress
Withstands extreme vibration (up to 20 g) and shock (100 g)
Heavy-duty integral cable with strain relief
Installation and Maintenance Advantages:
Standard M10 mounting thread for secure attachment
Compact form factor fits space-constrained locations
No moving parts for maintenance-free operation
Compatible with standard Bently Nevada mounting hardware
Industrial Applications
The Bently Nevada 133442-01 is ideally suited for:
Power Generation: Steam and gas turbine bearing monitoring
Oil & Gas: Compressor and pump vibration measurement
Petrochemical: Critical rotating equipment protection
Water/Wastewater: Large motor and pump monitoring
Mining & Minerals: Crusher and mill vibration analysis
Typical monitored equipment includes:
Centrifugal pumps
Fans and blowers
Electric motors (500 HP and above)
Gearboxes
Reciprocating compressors
BENTLY 133442-01
Compatible Monitoring Systems
Bently Nevada 3500 Series: Rack-mounted monitoring systems
System 1® Software: Condition monitoring platform
Bently Nevada 3300/25: Seismic monitor for velocity measurement
Advant OCS: Open control system integration
Honeywell Experion: DCS system connectivity
Installation and Maintenance Guidelines
Installation Best Practices:
Mount directly on machine bearing housings at measurement points
Ensure clean, flat mounting surface (surface finish <3.2 μm Ra)
Tighten to recommended torque (20 Nm ± 10%)
Route cable away from moving parts and heat sources
Maintain minimum 1″ clearance around sensor
Maintenance Recommendations:
Annual visual inspection of sensor and cable
Verify mounting integrity during routine maintenance
Check for proper signal output during system calibration
Replace if physical damage is observed
Use only genuine Bently Nevada replacement parts
Warranty and Support
Bently Nevada provides:
24-month standard warranty
Global technical support network
Application engineering assistance
Comprehensive documentation
Calibration and repair services
The 133442-01 transducer is backed by Bently Nevada’s extensive experience in machinery protection systems, ensuring reliable performance throughout its service life.
This technical product description provides comprehensive information about the Bently Nevada 133442-01 seismic velocity transducer, highlighting its technical specifications, features, and proper usage in industrial monitoring systems. The format is optimized for both maintenance technicians and procurement specialists in industries requiring reliable machinery condition monitoring solutions.
