177230-01-01-05 | Bently Nevada Seismic Transmitter

Why Choose the Bently Nevada 177230-01-01-05 Seismic Transmitter?

When machinery vibration threatens uptime, the 177230-01-01-05 from Bently Nevada provides a dependable solution. This seismic transmitter converts vibration into a standard 4-20 mA signal, making it ideal for integration with PLCs, DCS, and SCADA systems. Its rugged design and multiple approvals ensure it meets the demands of harsh industrial environments.

As a consulting engineer, I recommend this transmitter for applications where accurate, real-time vibration data is critical. The 4-20 mA loop output simplifies wiring and reduces noise, while the hermetically sealed sensor ensures long-term stability.

Key Features and Technical Specifications

Every parameter of the 177230-01-01-05 is engineered for precision and durability:

• Measurement Range: 0 to 25.4 mm/s (0 to 1.0 in/s) RMS
• Frequency Response: 10 Hz to 1 kHz (600 to 60 kcpm) ±10%
• Output Signal: 4-20 mA current loop from Pin A to Pin B
• Sensitivity: 4 ± 0.3 mA equals 0.0 mm/s; 20 ± 2 mA equals full scale
• Excitation Voltage: 12 to 30 Vdc (current limited to 40 mA)
• Settling Time: Less than 15 seconds within 2% of final value
• Mounted Resonant Frequency: Greater than 12 kHz
• Transverse Sensitivity: Less than 5% of sensitivity
• Case Material: 316L stainless steel
• Connector: 3-pin MIL-C-5015, 316L stainless steel
• Mounting Hole: 1/4-28 UNF
• Weight: 131 g (4.62 oz) typical
• Operating Temperature: -40°C to +85°C (-40°F to +185°F)
• Relative Humidity: To 100% non-submerged
• Shock Survivability: 9.810 m/s² (1.000 g peak) maximum drop test

The ceramic/shear sensing element provides excellent stability and accuracy. The 316L stainless steel case and connector resist corrosion, making this transmitter suitable for harsh environments.

Applications and Use Cases

The 177230-01-01-05 is designed for vibration monitoring on rotating machinery such as pumps, fans, motors, and compressors. Its 4-20 mA output integrates seamlessly with existing control systems, enabling predictive maintenance strategies. For example, a plant engineer can use the transmitter to detect early bearing wear, avoiding unplanned downtime.

Because the output is proportional to RMS vibration levels, it provides a consistent, repeatable measurement that is easy to trend and analyze.

Installation and Setup

Mounting the 177230-01-01-05 is straightforward. The 1/4-28 UNF mounting hole allows secure attachment using a stud. Recommended mounting torque is 4 to 7 N-m (35.4 to 62.0 in-lbf). Ensure the mounting surface is clean and flat for optimal frequency response.

Wiring follows the connector convention: Pin A is the 4-20 mA positive loop, Pin B is the loop return, and Pin C provides an unbuffered dynamic acceleration signal. Always verify the excitation voltage is within 12 to 30 Vdc and current-limited to 40 mA.

Maintenance and Reliability

Regular inspection of the transmitter and its mounting is recommended to ensure accurate readings. The hermetically sealed sensor protects against moisture and contamination, reducing maintenance needs. With proper installation, the 177230-01-01-05 offers long service life and reliable performance.

Its robust construction and multiple approvals (CSA/NRTL/C, ATEX/IECEx) make it suitable for hazardous areas, further enhancing its value in critical applications.

Compatibility and Integration

The 4-20 mA output is universally accepted by PLCs, DCS, and SCADA systems. The transmitter is designed to work with internal power supplies that are current-limited in the range of 30 mA to 35 mA, ensuring compatibility with most industrial control systems.

Frequently Asked Questions

What is the measurement range of the 177230-01-01-05?

The measurement range is 0 to 25.4 mm/s (0 to 1.0 in/s) RMS.

What output signal does the transmitter provide?

It provides a 4-20 mA current loop output proportional to RMS vibration levels.

What is the operating temperature range?

The operating temperature range is -40°C to +85°C (-40°F to +185°F).

Is the transmitter suitable for hazardous areas?

Yes, it has multiple approvals including CSA/NRTL/C and ATEX/IECEx.

Product Support and Availability

The 177230-01-01-05 is available from Petro Auto Tech. Contact our team for current pricing and lead times. We are ready to assist with your vibration monitoring needs.