Bently 177230-01-01-CN Seismic Transmitter

Description

3. Key Technical Specifications

• Model Number: 177230-01-01-CN
• Manufacturer: Bently Nevada
• Product Series: 177230 Seismic Transmitter
• Measurement Type: Absolute bearing housing vibration velocity
• Measurement Range: 0–25.4 mm/s (0–1.0 in/s) RMS
• Frequency Range: 10 Hz to 1 kHz
• Output Type: Velocity proportional transmitter output
• Sensing Element: Piezoelectric shear element
• Approvals: CN option with country-specific approvals (including hazardous-area approval options)
• Connector: 3-pin MIL-C-5015 connector
• Housing Material: 316L stainless steel
• Mounting Thread: 1/4-28 UNF mounting hole
• Diameter: 25.4 mm (1.00 in)
• Height: 66.0 mm (2.60 in)
• Operating Temperature: −40 °C to +85 °C
• Humidity Rating: Up to 100% relative humidity, non-submerged
• Weight: Approximately 0.131 kg

The 177230-01-01-CN configuration identifies the 177230 seismic transmitter with a 0–25.4 mm/s measurement range, 10 Hz–1 kHz frequency option, and CN approval configuration.

4. Product Introduction

The Bently Nevada 177230-01-01-CN is a seismic transmitter used for measuring absolute vibration velocity on rotating machinery. It converts machine casing vibration into an electrical signal for monitoring systems used on motors, pumps, compressors, turbines, and other industrial equipment.

The transmitter uses a compact stainless-steel housing with a 3-pin MIL-C-5015 connector and is designed for industrial vibration monitoring applications. Before replacement, verify measurement range, frequency settings, connector wiring, and monitoring input configuration.

177230-01-01-CN

5. Installation & Configuration Guide

Stage 1: Pre-Installation Preparation (Approx. 10 minutes)

⚠️ Safety First

1. Notify operations before maintenance.
2. Confirm the machine is in a safe maintenance condition.
3. Apply lockout/tagout procedures where required.
4. Remove monitoring loop power before disconnecting the transmitter.

Tools Required

• ESD wrist strap
• PH1 screwdriver
• Digital multimeter
• Wire labels
• Smartphone/camera

Data Backup

1. Record the existing transmitter part number.
2. Photograph connector orientation and cable routing.
3. Record monitoring channel scaling.
4. Confirm existing vibration alarm settings.

Stage 2: Removing the Old Transmitter (Approx. 10 minutes)

1. Disconnect the transmitter connector carefully.
2. Label signal wires if terminal conversion is used.
3. Remove the old transmitter from the mounting point.
4. Inspect:
   • Mounting surface
   • Cable condition
   • Connector pins
   • Grounding path

⚠️ Note: Keep the old transmitter until the replacement has passed signal verification.

Stage 3: Installing the New Transmitter (Approx. 10 minutes)

1. Wear ESD protection before handling the replacement.
2. Verify the exact part number:

Bently Nevada 177230-01-01-CN

1. Confirm:
   • 0–25.4 mm/s measurement range
   • 10 Hz–1 kHz frequency option
   • Correct connector type
   • Correct mounting thread

Mechanical Installation

1. Clean the mounting surface.
2. Install the transmitter on the machine casing.
3. Tighten using the approved installation torque.
4. Connect the MIL-C-5015 connector securely.

Self-Checklist

• Correct part number verified
• Mounting secure
• Connector locked
• Cable routing checked

Stage 4: Power-On & Testing (Approx. 15 minutes)

Pre-Power Check

1. Verify wiring continuity.
2. Check for signal shorts.
3. Confirm monitoring input settings.

Power-On Steps

1. Restore monitoring system power.
2. Verify transmitter signal output.
3. Confirm vibration reading.
4. Compare against previous sensor values.
5. Verify alarm thresholds.

⚠️ Troubleshooting Note

• No signal: Check connector pins and cable continuity.
• Incorrect vibration value: Verify sensor range and channel scaling.
• Excessive noise: Inspect grounding and cable shielding.

6. Frequently Asked Questions (FAQ)

Q1: What is the Bently 177230-01-01-CN used for?

It is a seismic transmitter for measuring absolute vibration velocity on machine housings. It is commonly applied in rotating equipment monitoring systems.

Q2: What is the difference between 177230-01-01-CN and other 177230 models?

The suffix defines the configuration:

• 177230: Seismic transmitter family
• 01: 0–25.4 mm/s (0–1.0 in/s) measurement range
• 01: 10 Hz–1 kHz frequency response
• CN: Country-specific approval configuration

Verify the full suffix before replacement.

Q3: Can I replace this transmitter without changing software settings?

Usually the mechanical replacement is straightforward, but the monitoring system input scaling must match the transmitter specification. Incorrect scaling can create false vibration values or incorrect alarms.

Q4: Is the Bently 177230-01-01-CN obsolete?

The 177230 series is an established industrial vibration transmitter family. Availability depends on inventory and sourcing channels. Confirm condition, traceability, and test documentation before installation.

Q5: What should be checked before ordering this transmitter?

Verify:

• Full part number: 177230-01-01-CN
• Measurement range
• Frequency range
• Connector type
• Hazardous-area approval requirements
• Existing monitoring input configuration

Q6: Why is surplus pricing lower than OEM supply pricing?

Industrial automation spare-part pricing varies by lifecycle status, availability, and sourcing route. New surplus units may come from unused project inventory. Refurbished units should include inspection and functional test records.

Q7: What is the most common installation mistake?

The most common issue is replacing the sensor without checking measurement range and input scaling. A transmitter can physically fit while producing incorrect vibration values if the monitoring channel configuration does not match.