The 1621 is vibration and sound equipment from Bruel & Kjaer.
Additional Features:
Frequency Range: 0.2 Hz to 20 kHz in 5 ranges
Pass Bandwidths: switchable : 3 % or 23 % (1/3 octave) Attenuation at 1/2 and 2 x selected frequency : switchable 34 or 16 dB
Dynamic Range: > 40 dB RMS with 3 % bandwidth between 0.2 Hz and 6 kHz > 35 dB RMS with 3 % bandwidth between 6 kHz and 20 kHz > 40 dB RMS with 2 % bandwidth between 0.2 Hz and 20 kHz
Accuracy of Indicated Frequency: qu± 1.5 % at 25 °C with additional ± 0.04 % per °C
BNC Input: 1 V RMS or 0.2 V RMS switchable with crest factor of 5 Impedance 1 V input : 1 Mω in series with 10 µF Impedance 0.2 V input : 200 kω in series with 10 µF
BNC Output: Impedance: 0.5 ω in series with 100 µF Load Impedance: > 25 kω Gain: 0 dB ± 1 dB
The 1621 is vibration and sound equipment from Bruel & Kjaer.
Additional Features:
- Frequency Range: 0.2 Hz to 20 kHz in 5 ranges
- Pass Bandwidths: switchable : 3 % or 23 % (1/3 octave) Attenuation at 1/2 and 2 x selected frequency : switchable 34 or 16 dB
- Dynamic Range: > 40 dB RMS with 3 % bandwidth between 0.2 Hz and 6 kHz > 35 dB RMS with 3 % bandwidth between 6 kHz and 20 kHz > 40 dB RMS with 2 % bandwidth between 0.2 Hz and 20 kHz
- Accuracy of Indicated Frequency: qu± 1.5 % at 25 °C with additional ± 0.04 % per °C
- BNC Input: 1 V RMS or 0.2 V RMS switchable with crest factor of 5 Impedance 1 V input : 1 MΩ in series with 10 µF Impedance 0.2 V input : 200 kΩ in series with 10 µF
- BNC Output: Impedance: 0.5 Ω in series with 100 µF Load Impedance: > 25 kΩ Gain: 0 dB ± 1 dB
