177230-00-01-CN | Bently Nevada 12.7 mm/s Seismic Transmitter

Introduction to the Bently Nevada 177230-00-01-CN

When machine vibration threatens uptime, the 177230-00-01-CN from Bently Nevada provides a dependable solution. This seismic transmitter converts vibration into a standard 4-20 mA signal, enabling seamless integration with PLCs, DCS, and SCADA systems. Designed for continuous monitoring, it helps you detect issues early and avoid costly downtime.

Key Features and Technical Specifications

The 177230-00-01-CN is engineered for accuracy and durability. Its key specifications include:

• Measurement range: 0 to 12.7 mm/s (0 to 0.5 in/s) RMS
• Frequency response: 10 Hz to 1 kHz (600 to 60 kcpm) ±10%
• Output: 4-20 mA current loop, proportional to RMS vibration
• Excitation voltage: 12 to 30 Vdc, current limited to 40 mA
• 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
• Weight: 131 g (4.62 oz)

One distinctive feature is the hermetically sealed sensor, which ensures reliable operation even in 100% non-submerged humidity. This makes the transmitter suitable for harsh industrial environments.

Real-World Applications and Benefits

In rotating machinery, the 177230-00-01-CN helps monitor vibration levels continuously. It is ideal for fans, pumps, motors, and gearboxes where early detection of imbalance or bearing wear can prevent catastrophic failures. By providing a standardized 4-20 mA signal, it simplifies integration into existing control systems, reducing installation complexity and cost.

Installation and Setup

Mounting the transmitter is straightforward. The 1/4-28 UNF mounting hole and M6 x 1 SI or M8 x 1.25 SI threads offer flexibility. Recommended mounting torque is 4 to 7 N-m (35.4 to 62.0 in-lbf). The 3-pin MIL-C-5015 connector ensures secure wiring: Pin A for 4-20 mA positive loop, Pin B for loop return, and Pin C for dynamic acceleration signal.

Maintenance and Reliability

With no moving parts and a rugged 316L stainless steel case, the 177230-00-01-CN requires minimal maintenance. Periodic inspection of the connector and cable is recommended to ensure signal integrity. The transmitter's high shock survivability (9.810 m/s²) and magnetic field sensitivity of less than 20 μm/s/gauss make it robust for industrial settings.

Compatibility and Integration

This transmitter is designed for use with PLCs, DCS, and SCADA systems that have internal power supplies current-limited to 30-35 mA. The 4-20 mA output is universally accepted, making it easy to interface with most monitoring equipment. For detailed integration guidance, refer to the official Bently Nevada documentation.

Frequently Asked Questions

Q: What is the measurement range of the 177230-00-01-CN?

A: The measurement range is 0 to 12.7 mm/s (0 to 0.5 in/s) RMS, with a full-scale accuracy of ±10%.

Q: What output signal does the transmitter provide?

A: It provides a 4-20 mA current loop output from Pin A to Pin B, proportional to the RMS vibration level.

Q: Can the transmitter operate in high humidity?

A: Yes, it is rated for up to 100% relative humidity, non-submerged, thanks to its hermetically sealed sensor.

Q: What is the recommended mounting torque?

A: The recommended mounting torque is 4 to 7 N-m (35.4 to 62.0 in-lbf).

Product Support and Availability

The 177230-00-01-CN is available through Petro Auto Tech. Contact our team for current availability and lifecycle status. We are ready to assist with your vibration monitoring needs.