B&K Precision CAL73 Datasheet

B&K Precision Corporation

22820 Savi Ranch Parkway, Yorba Linda, CA 92887
Tel: [phone], Fax: [phone]
www.bkprecision.com

Specifications subject to change without notice

Data Sheet

Models 732A, 735
and CAL73

Sound Level Meters & Calibrator

Whether you are testing for OSHA compliance, quieting equipment, or monitoring the roar of a
stadium crowd, B+K Precision's Sound Level Meters can get the job done. The model 732A and 735
Sound Level Meters provides 30~130 dB capability in three convenient measurement ranges Low,
Med and Hi with an accuracy of ±1.5 dB. The meter meets the IEC 651 Type II and includes
frequency weighting A & C and fast and slow time weighting. Two auxiliary ports provide either AC
output, 1Vrms full scale, or DC output, 10mV /dB. With models 732A or 735, B&K Precision can
meet all your sound testing needs.

Models 732A & 735

Sound Level Meters

Common features

• RS-232 Interface

• Bargraph

• MAX/MIN function

• Auto Ranging (30 ~ 130dB)

• Resolution 0.1dB

• Level Range Display

• AC/DC Signal Output

• Auto Power Off

• Backlit LCD

The CAL73 sound level calibrator is used to calibrate sound level meters and other sound measure­ment equipment. You can calibrate 1 inch diameter microphones directly and 1/2 inch microphones
using 1/2 inch adapter supplied with the calibrator.

Model CAL73

Sound Level Calibrator

• Conforms to IEC 60942 (2003) Class 2,ANSI SI.40-1984

• 94dB and 114dB Sound calibrator at 1KHz

• Accurate and simple to use

• Fits 1 inch and 1/2 inch microphones

Model 732A

Model CAL73

Model 735 onl

y

• Windows Software Included

• Clock Display

• 32,000 Records Data Logger

Back Light Function RS-232 Interface RS-232 Software

for Windows 95/98/
2K/XP included with
model 735