177230-01-01-05 | Bently Nevada Seismic Transmitter 25.4 mm/s

Introduction to the Bently Nevada 177230-01-01-05

When machinery vibration threatens uptime, the 177230-01-01-05 provides a dependable solution. This seismic transmitter from Bently Nevada converts vibration into a standard 4-20 mA signal. It is designed for use with PLCs, DCS, and SCADA systems. The transmitter helps you monitor rotating equipment continuously. With its robust construction, it suits demanding industrial environments.

Key Features and Technical Specifications

The 177230-01-01-05 offers a measurement range of 0 to 25.4 mm/s (0 to 1.0 in/s). Its frequency response covers 10 Hz to 1 kHz (600 to 60 kcps) RMS. The output signal is proportional to RMS vibration levels. This ensures accurate representation of vibration severity.

• Measurement Range: 0 – 25.4 mm/s (0 – 1.0 in/s)
• Frequency Response: 10 Hz to 1 kHz (600 to 60 kcpm) ±10%
• Output Signal: 4 to 20 mA current loop from Pin A to Pin B
• Sensitivity – Main Loop: 4 ± 0.3 mA equals 0.0 mm/s; 20 ± 2 mA equals Full Scale Range
• 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
• Operating Temperature: -40°C to +85°C (-40°F to +185°F)
• 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

Real-World Applications

This transmitter is ideal for monitoring fans, pumps, motors, and other rotating machinery. It provides a continuous 4-20 mA signal that integrates easily into existing control systems. For example, in a petrochemical plant, the 177230-01-01-05 can alert operators to increasing vibration levels. This early warning helps prevent unplanned downtime. The transmitter's rugged design ensures reliable performance in harsh environments.

Installation and Mounting Guide

Proper installation is critical for accurate vibration measurement. The 177230-01-01-05 features a 1/4-28 UNF mounting hole. It also supports M6 x 1 SI and M8 x 1.25 SI mounting threads. Recommended mounting torque is 4 to 7 N-m (35.4 to 62.0 in-lbf). Ensure the mounting surface is flat and clean. This maximizes the transfer of vibration to the sensor. The 3-pin MIL-C-5015 connector simplifies wiring. Pin A connects to the 4-20 mA positive loop. Pin B is the loop return. Pin C provides a dynamic acceleration signal.

Maintenance and Reliability

The 177230-01-01-05 is hermetically sealed, protecting internal components from moisture and contamination. It can withstand 100% relative humidity when non-submerged. This makes it suitable for washdown areas. Regular inspection of the mounting and connector is recommended. Verify that the transmitter remains securely attached. Check the cable for damage or wear. Following the manufacturer's guidelines ensures long-term reliability.

Compatibility and Integration

This transmitter is designed for use with PLCs, DCS, and SCADA systems. These systems typically have internal power supplies current-limited to 30-35 mA. The 4-20 mA output is universally accepted. It simplifies integration with existing monitoring and control equipment. The 177230-01-01-05 provides a direct analog signal, eliminating the need for additional signal conditioning.

Frequently Asked Questions

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

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

Q: What output signal does this transmitter provide?

A: It provides a 4-20 mA current loop output from Pin A to Pin B.

Q: What is the operating temperature range?

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

Q: What approvals does the 177230-01-01-05 have?

A: It has multiple approvals including CSA/NRTL/C, ATEX/IECEx.

Q: What is the excitation voltage requirement?

A: The excitation voltage is 12 to 30 Vdc, current limited to 40 mA.

Product Support and Availability

The 177230-01-01-05 is available from Petro Auto Tech. We are a trusted supplier of industrial automation parts. Contact us for current pricing and lead times. Our team can assist with technical questions. Ensure you verify lifecycle status before ordering.