The Bently Nevada TK81 is a portable handheld instrument designed for basic vibration measurements. It is widely used in industrial settings to monitor the condition of rotating machinery.

Key Features

• Portable and Handheld: Its compact design ensures easy transport and use in various locations.
• Tunable Filter: You can focus on specific frequency bands for more targeted analysis.
• Vibration Measurement: It allows you to measure basic vibrations to assess rotating equipment’s health.
• User-Friendly Interface: The 4-line by 16-character LCD screen provides clear, easy-to-read information.
• Battery-Powered: The device operates with a 9-volt alkaline battery, making it convenient for field use.

Technical Specifications

• Input Impedance: 95 kΩ
• Signal Conditioning Frequency Response: 1.66 Hz to 1,666 Hz (100 to 100,000 RPM)
• Battery: 9-volt alkaline transistor battery (NEDA 1604A)
• Battery Life: Runs approximately 20 hours on a single charge
• Operating Temperature: +0°C to +40°C (+32°F to +104°F)

Applications

You can use the TK81 for:

• Monitoring bearing conditions
• Detecting equipment imbalance
• Identifying misalignment issues
• Recognizing cavitation in rotating equipment
• Troubleshooting general vibration problems