Bruel & Kjaer 1621 Highlights
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.
- In 5 sub-ranges
- Pass Bandwidth Switchable 3% or 23% (1/3 Oct.)
- Attenuation at 1/2 and 2X selected Freq.
- Switchable 34 or 16dB
- Internal Power Supply (6xD batteries)