Name: Bently Nevada TK81 80649-01 Tunable Filter/Vibration Meter
Brand: Bently Nevada
SKU: TK81 80649-01
Availability: InStock

The Bently Nevada TK81 80649-01 is a handheld vibration meter designed for basic and precise machinery vibration diagnostics. It supports displacement, velocity, and acceleration signals and displays measurements in both filtered and unfiltered modes. This portable meter ensures accurate readings for troubleshooting specific vibration frequencies in industrial equipment.

Key Features

Accepts signals from displacement, velocity, and acceleration transducers.
Digital tunable filter approximates analog filtering with a Q factor of 11 for targeted frequency analysis.
Provides selectable display units and formats: peak-to-peak, zero-to-peak, or RMS.
High input impedance at 95 kΩ ensures minimal signal loading.
Powered by a 9V alkaline battery offering approximately 20 hours of operation.
Portable size with 191 mm × 102 mm × 58 mm and lightweight design at 316 g.
Includes 9200-09-01-01-00 Velocity Seismoprobe®, extension rod, magnetic base, carrying case, and manual.

Technical Specifications

Specification	Details
Model	TK81 80649-01
Signal Inputs	Displacement, velocity, acceleration
Max Input	10 V peak-to-peak
Scale Factor	5 to 9999 mV per engineering unit
Input Impedance	95 kΩ
Frequency Response	1.66 Hz to 1,666 Hz (100–100,000 RPM)
Filter Type	Digital tunable, Q=11
Display	4×16 LCD, selectable metric or English units
Accuracy	±5% non-filtered, ±10% RMS or filtered signals
Battery	9V alkaline, 20-hour life
Dimensions	191 mm × 102 mm × 58 mm (7.5 in × 4 in × 2.3 in)
Weight	316 g (0.7 lb)
Operating Temp	0°C to +40°C (+32°F to +104°F)
Storage Temp	-20°C to +70°C (-4°F to +158°F)
Humidity	Up to 90% non-condensing
Included Accessories	Seismoprobe®, cable, extension rod, magnetic base, carrying case, batteries

Applications

The Bently Nevada TK81 80649-01 excels in vibration diagnostics, predictive maintenance, and troubleshooting industrial machinery. Its compact design and versatile input compatibility allow technicians to identify and analyze vibration issues efficiently.