Product Introduction
The Bently Nevada 177230-01-01-RU is a seismic (velocity) transmitter designed for continuous vibration monitoring on machinery casings and bearing housings. It is a loop-powered, two-wire device that integrates acceleration sensing and signal conditioning, converting absolute casing vibration into a standard 4‑20 mA output proportional to velocity. The “-RU” suffix typically indicates a specific regional or regulatory variant (e.g., Russian market approvals), while the functionality remains consistent with the standard 177230 series. This transmitter is ideal for non‑critical and general-purpose rotating machinery where cost‑effective online protection is needed, without the complexity of a full 3500 rack system.
The device outputs a primary 4‑20 mA velocity signal for control systems (PLC/DCS) and provides a secondary dynamic acceleration waveform for advanced diagnostics, accessible at the non‑sensor end. Its rugged 316L stainless steel construction, wide operating temperature range, and IP65/NEMA 4X protection ensure reliable operation in harsh industrial environments.
Parameters
| Parameter | Specification |
|---|---|
| Model / Part Number | 177230-01-01-RU |
| Product Type | Loop-powered seismic (velocity) transmitter |
| Measurement Type | Absolute casing / bearing housing vibration |
| Primary Output | 4‑20 mA, proportional to 0–1 in/s (0–25.4 mm/s) velocity (zero-to-peak) |
| Secondary Output | Dynamic acceleration waveform (for diagnostic use) |
| Frequency Response (Velocity) | 10 Hz – 1 kHz (600 – 60,000 cpm) ±10% |
| Frequency Response (Acceleration) | 2.5 Hz – 10 kHz |
| Power Supply | 12 – 30 V DC, loop‑powered (current limited to 40 mA) |
| Supply Current (typical) | Max 200 mA |
| Operating Temperature | –40 °C to +85 °C (–40 °F to +185 °F) |
| Housing Material | 316L stainless steel |
| Ingress Protection | IP65 / NEMA 4X (with appropriate enclosure) |
| Dimensions (Diameter × Height) | 25.4 mm (1.00 in) × 66.0 mm (2.60 in) |
| Weight | 0.131 kg (0.29 lb) |
| Mounting Thread | ¼‑28 UNF |
| Mounting Torque | 4 – 7 N‑m (35 – 62 in‑lbf) |
| Linearity | ±1% of full scale |
| Certifications | CE, RoHS |
Application Scenarios
Non‑critical Rotating Machinery – Continuous vibration monitoring on fans, blowers, small pumps, electric motors, and small compressors where a cost‑effective alternative to a full 3500 system is required.
Bearing Housing Monitoring – Mounted directly on rolling element bearing housings to detect developing faults such as bearing wear, imbalance, or looseness before they lead to failure.
Condition Monitoring Integration – Outputs directly to plant PLC, DCS, or standalone condition monitoring systems for trending, alarming, and predictive maintenance strategies.
Industrial Automation – Provides real‑time vibration data for automated production lines and packaging machinery, helping reduce unplanned downtime.
Power Generation and Petrochemical Facilities – Protects auxiliary equipment such as cooling tower fans, boiler feed pumps, and small steam turbines in power plants, as well as pumps and compressors in refineries and chemical plants.
Structural and Foundation Vibration – Detects abnormal vibration in machine foundations, supports, or pipelines to prevent structural damage.
Global direct procurement guarantee
All products are purchased directly from overseas original manufacturers or authorized channels, 100% guaranteed genuine quality, sufficient spot inventory, and comprehensive model coverage
Quality Commitment
Each product has been tested by our technicians, providing 12-month long warranty, worry-free after-sales
Flexible procurement plan
- Bulk order enjoys Friendship discount (2 pieces or more can be applied)
- Long-term cooperative customers can apply for priority supply
Full service support
7×24 hours technical consultation, from selection guidance to installation and commissioning to provide full life cycle service (paid)
Why do so many customers choose us?
On the basis of the same quality, we provide:
- More competitive price system
- Faster logistics response
- More complete technical support (free product technical documentation)
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