B&K 1621 Instruction Manual

Instruction Manual
Tunable Band Pass Filter Type 1621
TuMble B•mt Pua Fiher T~ 1821
Overload
Power
033-0119
Filter
-20t
Hl
A small light-weight portable filter with se-
lectable bandwidths of 3% and 23% (third
octave), covering the frequency range
0,2 Hz to 20kHz with a continuously vari-
able tuned frequency. Powered from inter-
nal batteries or an external DC voltage.
Suited for use with B & K Sound Level Me-
ters Types 2203, 2209. 2210 and 2218.
B & K Vibration Meter Type 2511. and the
B & K Wow and Flutter Meter Type 6203.
Can be manually tuned. or tuned automati-
cally by, and synchronously with, the B & K
Portable Graphic Level Recorders Type
2306 and 2309 for recording spectra from
one of the above instruments.
+
BrUel
&
Kjaer