1621 – Bruel & Kjaer Tunable Filters
20.00kHz (High end frequency limit)

The Tuneable Band Pass Filter Type 1621 is a variable filter intended for use with the general purpose B&K 2511 Vibration Meter for narrow band frequency analysis of vibration levels.

•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

Specifications
High end frequency limit20.00kHz

Channels1

Operation ModesBP

More Details
Tuneable Band Pass Filter