CR:261S Sound Level Meter Specifications
The specifications for the CR:261S Sound Level Meter are detailed below. For more information please refer to the product datasheet or contact Cirrus Research plc.
Applicable Standards
IEC 61672-1:2002 Class 1 X
DIN EN 61672-1:2002-08 & DIN EN 61672-2:2003-08
Microphone
Class+ Pre-polarized Free-field 1/2″ Condenser
Microphone Preamplifier
MV:200C Fixed Preamplifier
Approvals
PTB-1.72-4025043 to DIN EN 61672-1:2002-08 & DIN EN 61672-2:2003-08
Measurements/ Features
Sound level LAF
Maximum Sound Level LAFmax
Measurement program for automatic measurement and display of 3 maxima (LAFmax)
Remote control unit (5m) with one-touch operation
Time Weighting
F (Fast) to IEC 61672-1:2002
Frequency Weighting
dB(A) to IEC 61672-1:2002
Measurement Range
60 to 130dB(A)
Display
LAF digital and quasi-analogue, LAFMax, battery level, overload, measurement range
External Connections
Remote Control Connection for ZL:261S
RS232 Connection for instrument configuration & testing
Physical
Dimensions 340mm x 75mm x 25mm
Weight 450 gms
Power 2 x 1.5v Alkaline LR6/AA
Battery Life Typically >24 hours
Environmental
Temperature Operating -10°C to +50°C
Storage -20°C to +60°C
Humidity Up to 95% RH Non Condensing
Electromagnetic Performance
EN 55022:1998
EN 61000-4-2:1995
EN 61000-4-8:1994
EN 61000-4-3:2002
Standard Accessories
The CK:261S Vehicle Noise Measurement is supplied with the following components:
CR:261S Vehicle Noise Sound Level Meter
CR:515 Acoustic Calibrator
UA:237 Windshield
CK:260 Carrying Case
ZL:261S Remote Control (5m)
User Manual & Certificates of Calibration
Tape Measure & Positioning Template
Tripod
Optional Accessories
The following optional accessories are available for the CK:261S Vehicle Noise Measurement Kit:
CR:511F Class 1L Acoustic Calibrator
CR:590 Barometer for use with CR:511F
Localisation
The CR:261S is available with the display and operating manuals in English & German. Other languages may be available. Please contact Cirrus Research plc or your local distributor for details.
