Working Piezoelectric Accelerometer signed Brüel & Kjaer, made in Denmark in the 1960's. Type 4339S, serial 234571. Designed for precision vibration analysis. Excellent condition, very clean. Original set, incomplete, includes the following accessories:
- Accelerometer sensor 4339, serial 234571 matches box. Can be connected to a ZR 0020 Integrator.
- Cable model A0 0037, capacity 103 pF
- Magnetic mounting base
- Aluminum pinducer
- Original wooden box with tags and serials
- Complete calibration certificate
- Bolts and attachments
- Hex key
