TRS-Environmental - Bruel & Kjaer 2231 Sound Level Meter

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Bruel & Kjaer - 2231 Sound Level Meter

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DESCRIPTION

SPECIFICATIONS

ACCESSORIES

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Modular Precision Sound Level Meter

Features

Fulfills IEC 804 type 1, relevant sections of IEC 651 type 1 I, and ANSI S1.4-1983 type 1.
Easy to read liquid crystal alphanumeric and quasi-analogue display.
Selectable polarization voltage allows use of almost any microphone in the Bruel & Kjaer range.
RMS and Peak detection in parallel.
73 dB Pulse range; 70 dB RMS Linearity range.
24 to 113 dB (A) measuring range (30 to 133 dB (A) with attenuator) in 7 overlapping sub-ranges.
A, C, Lin. and All-pass weightings.
Extra wide all-pass frequency range allows infrasound and ultrasound measurements.
Internal memory has back-up battery power which prevents loss of application software and data when the instrument is switched off.
Facility for connection of Bruel & Kjaer Serial Interface communication port, allowing external control and output of measurement data.

Specifications

Accessories

Qty.	Description
1	MICROPHONE-
1	INSTRUCTION MANUAL
1	CAL. CHART Floppy Disk or hard copy S/N to MIC ( is no longer orderable)
1	APPLICATION MODULE
1	MIC STORAGE CASE
1	CASE W/FORMED INSERT
1	INPUT ADAPTER
2	PLUG, MINI-JACK
4	"AA" Alkaline Battery (1.5 Volt)
1	WINDSCREEN 1/2 INCH
1	PRE-AMP
1	20 DB ATTENUATOR

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