Bently Nevada 74712-06-05-02-00 Seismoprobe Velocity Transducers
Products Description
Bently Nevada™ Seismoprobe Velocity Transducer Systems
are designed to measure absolute (relative to free space)
bearing housing, casing, or structural vibration. The two-wire
systems consist of a transducer and appropriate cable.
The Seismoprobe family of velocity transducers is a two-wire
design that uses moving-coil technology. It provides a
voltage output directly proportional to the transducer's
vibration velocity.
Moving-coil transducers are less sensitive to impact or
impulsive excitation than solid-state velocity transducers,
which are inherently accelerometers with embedded
integration electronics.
Moving-coil transducers are less sensitive to impact or
impulsive excitation and can represent a good choice for
certain applications. Because they don't require external
power, they are convenient for portable measurement
applications.
Available Types
Two types of Seismoprobe Velocity Transducer
are available:
l 9200: The 9200 is a two-wire transducer
suitable for continuous monitoring or for
periodic measurements in conjunction
with test or diagnostic instruments. When
ordered with the integral cable option,
the 9200 has excellent resistance to
corrosive environments without need of
additional protection.
l 74712: The 74712 is a high temperature
version of the 9200.
Interconnect cables are available for connecting the 9200 and 74712 transducers to other instruments. These cables are available in various lengths with or without stainless steel armor.
When ordering the 9200 and 74712 Seismoprobe Velocity Transducers, expect approximately a six week lead time. That lead time can vary based on component availability and configuration. For projected lead times for your specific order, contact your local Bently Nevada representative.
Specifications
Specifications are at approximately +22°C (+72°F) with 25 mm/s (1 in/s) of machine casing vibration at 100 Hz (6000 cpm) with a 10 kΩ load unless otherwise specified.
Electrical
| Sensitivity | 20 mV/mm/s (500 mV/in/s), ±5% when properly terminated and oriented at the angle of calibration. |
| Calibration Load | 10 kΩ Terminal "A" to "B" Output taken across pins "A" and "B" |
| Sensitivity Temperature Coefficient | 0.2%/°C |
| Frequency response | From minimum operating frequency (see Ordering Information) to 1 kHz (60,000 cpm); +0, -3dB typical. Please contact Bently Nevada for detailed calibration data. |
| Dynamic operating range | 2.54 mm (0.100 in) peak to peak maximum displacement. |
Graphs and Figures
Figure 1: Seismoprobe Orientation
All Seismoprobe Velocity Transducers are specified for the mounting orientations shown here. 0° is vertical, as viewed from driver end of the monitored machine.
Figure 2: Theoretical Velocity Seismoprobe Frequency Response
Main Benefits
Accurate vibration velocity measurement
Self-generating design requiring no external power supply
High-temperature operation up to 204°C (400°F)
Rugged industrial construction
Suitable for continuous online monitoring
Easy integration into machinery protection systems
Supports predictive maintenance and condition monitoring
Core Functions
Bearing Housing Vibration Monitoring
Measures vibration levels directly at bearing housings to detect developing mechanical issues.
Machine Casing Vibration Measurement
Provides continuous monitoring of vibration on turbine, compressor, motor, and pump casings.
Structural Vibration Detection
Identifies abnormal vibration in machinery support structures and foundations.
Condition Monitoring Support
Provides valuable data for predictive maintenance programs and machinery diagnostics.
Machinery Protection Integration
Works alongside monitoring systems to support alarm generation and equipment protection strategies.
Why Choose Us
Extensive Inventory
Large stock availability helps customers reduce procurement lead times.
Competitive Pricing
Efficient sourcing enables cost-effective solutions without compromising quality.
Fast Worldwide Delivery
Professional logistics support for global shipments.
Strict Inspection Procedures
Every product is carefully inspected before shipment.
Reliable Export Packaging
Industrial-grade packaging protects products during transportation.
Quality Control Process
Factory functional testing
Electrical output verification
Mechanical inspection
Visual quality checks
Secure export packaging
Request a Quote
Looking for Honeywell 8C-PAIMA1?Contact our sales team today for pricing, availability, and lead time information.
WinnieEmail:mailto:sales7@askplc.com
WhatsApp:+86 180 2071 6847
Website:www.plcexport.com
About us
PLC Export is committed to the following core values:
Keeping Global Industry Running Continuously
Global Presence
Integrity in Business
Rapid Response
High-Quality Products with Highly Competitive Prices
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