Bently Nevada 177230-02-01-05 177230 Series Integrated Vibration Transmitter

The Bently Nevada 177230-02-01-05 is a loop-powered seismic vibration transmitter from the 177230 Series Integrated Vibration Transmitter family. Engineered for continuous casing vibration monitoring in rotating machinery, this self-contained device combines a piezoelectric accelerometer with signal conditioning electronics in a single compact housing .

The transmitter converts mechanical vibration into a standard 4-20 mA DC signal proportional to velocity, simplifying integration with PLCs, DCS, and SCADA systems . It also provides a secondary dynamic signal output for advanced diagnostics, allowing maintenance professionals to analyze raw vibration data for comprehensive machinery health assessment .

Designed for industrial environments such as oil & gas, power generation, and chemical processing, the 177230-02-01-05 offers robust performance with minimal installation complexity.

Key Features

Integrated Design: Combines sensor, signal conditioning, and 4-20 mA transmitter in a single unit 

Dual Output: Primary 4-20 mA loop-powered signal for control systems + secondary dynamic signal for diagnostics 

Loop-Powered Operation: 2-wire design operating at 12-30 VDC 

Hazardous Area Approvals: Certified for use in potentially flammable atmospheres (CSA, ATEX, IECEx) 

Stainless Steel Housing: 316L stainless steel construction for durability in harsh environments 

Direct PLC/DCS Interface: No external signal conditioners or rack-mounted monitors required 

No Field Configuration: Ready to use out-of-the-box with no on-site adjustments needed 

Part Number Breakdown: 177230-02-01-05

The Bently Nevada 177230 series uses a systematic ordering code. The 177230-02-01-05 configuration is decoded as follows :

Position Code Meaning

Base 177230 Seismic Transmitter Series

AA: Range 02 0 – 50.8 mm/s (0 – 2.0 in/s) RMS or 0-1 in/s peak 

BB: Frequency 01 10 Hz to 1 kHz (600 to 60 kcpm) RMS response 

CC: Certification 05 Multiple Approvals (CSA, ATEX, and IECEx) 

Technical Specifications

Parameter Specification

Model 177230-02-01-05

Series 177230 Series Integrated Vibration Transmitter

Output Signal 4-20 mA DC loop-powered (primary) + dynamic signal (secondary) 

Measurement Range 0-50.8 mm/s (0-2.0 in/s) RMS; or 0-1 in/s peak 

Frequency Response 10 Hz to 1 kHz (600 cpm to 60 kcpm) ±10% 

Supply Voltage 12 to 30 VDC (current limited to 40 mA) 

Sensitivity 100 mV/g ±20% 

Accuracy ±1% full scale 

Housing Material 316L Stainless Steel 

Connector 3-pin MIL-C-5015, stainless steel 

Mounting Direct machine mount via 1/4-28 UNF stud or magnetic base 

Operating Temperature -40°C to +85°C (-40°F to +185°F) 

Dimensions 25.4 mm diameter x 66.0 mm height (1.00 in x 2.60 in) 

Weight Approximately 131 g (4.62 oz) 

Protection Rating IP65 

Electrical Isolation Greater than 10⁸ ohms 

Applications

The Bently Nevada 177230-02-01-05 is widely used in general-purpose machinery condition monitoring :

Motors: Bearing housing vibration monitoring for electric motors 

Pumps: Continuous casing vibration measurement in centrifugal and reciprocating pumps 

Fans and Blowers: Detecting imbalance, misalignment, and bearing faults 

Compressors: Vibration trending for small reciprocating compressors 

Gearboxes: Structural vibration monitoring for preventive maintenance programs