Bruel & Kjaer 2651 Charge Amplifier
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Bruel & Kjaer 2651 is a versatile charge amplifier for vibration and shock measurements with 3 Hz to 200 kHz frequency range and built-in acceleration-to-velocity integrator.
Product details
| Model | 2651 |
| Manufacturer | Bruel & Kjaer |
| Category | RF Amplifiers |
| Availability | Made to order |
Description
Overview
The Bruel & Kjaer 2651 is a versatile charge amplifier designed for general-purpose vibration and shock measurements. It functions as a preamplifier for piezoelectric accelerometers, impedance heads, and force transducers, and integrates seamlessly into multichannel measuring systems and vibration test control loops.
Key Features
- Wide frequency range from 3 Hz to 200 kHz
- Output sensitivity settings of 0.1, 1, and 10 mV/pC
- Built-in integrator converts acceleration signal to velocity
- Grounded and floating input modes with isolated output ground
- Switchable lower frequency limits for flexible measurement setup
- Compatible with Uni-Gain accelerometers
Applications
- Vibration and shock measurement systems
- Multichannel measuring setups
- Vibration test control loops
- Piezoelectric sensor signal conditioning
Specifications
| Frequency Range | 3 Hz to 200 kHz |
| Output Sensitivity | 0.1, 1, 10 mV/pC |
| Input Mode | Grounded and Floating (isolated) |
| Features | Built-in integrator (acceleration to velocity), switchable lower frequency limits |
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Bruel & Kjaer 2651 Charge Amplifier
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