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Brüel & Kjær 4812 + 4801

Brüel & Kjær Vibration Test System 4812 + 4801 Shaker

Technical Specifications – Exciter Head 4812

• Max. dynamic force: 445 N (100 lbf) with Body 4801
• Current consumption: 23 A RMS with cooling / 11.5 A without
• Resonance frequency: 7.2 kHz
• Travel: 12.7 mm continuous / 14 mm maximum
• Acceleration limit: 981 m/s²
• Bolt torque limit: 3.4 Nm
• Dimensions: Ø 235 mm × 178 mm
• Weight: 8 kg
• Material: hard-anodized aluminum

Technical Specifications – Exciter Body 4801

• Power supply: 380 V ±10% or 440 V ±10%, 3-phase, 50 Hz
• Cooling: Air-cooled (integrated fan)
• Mounting height (without head): 370–405 mm
• Additional height due to head: +50 to +130 mm
• Weight: 75–80 kg

Description & Use:

Condition: Used (see pictures).

Note:

For detailed technical specifications and processing instructions, we strongly recommend consulting the original data sheets or contacting the manufacturer directly.

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