dosemeter User Manual
Page 59
Appendix 1 Specifications
The MODEL 22 Personal Noise Dosemeter and the MODEL 22R Reader Unit have been
designed to meet the requirements of IEC 61252:1993 Personal Sound Exposure Meters
and the ANSI S1.25:1991 Personal Noise Dosemeters. The MODEL 22 dosemeter and
the MODEL 22R Reader unit must be used as a combination to ensure compliance with
these standards.
Applicable Standards
MODEL 22 dosemeter
IEC 61252:1993 Personal Sound Exposure Meters
ANSI S1.25:1991 Personal Noise Dosemeters Class Designation 2AS-90/80-5
Model 22-R Reader Unit
Internal Acoustic Calibrator to IEC 60942:2003 Class 2
Measurement Range (Typical)
70dB(A) to 130dB(A) RMS
120dB(C) to 140dB(C) Peak
Measurement Functions:
The MODEL 22 dosemeter and MODEL 22R Reader Unit support Dual Channel
measurements. The measurement data is divided into three sections. In all situations
the Overall Measurement Data is stored.
If the dosemeter is configured with Channel 1 and Channel 2 having identical
parameters, the Pulsar AnalyzerPlus software will only display Channel 1.
Overall Measurement Data:
Dosemeter Configuration
Calibration Record
Measurement Duration
Highest Peak(C) Sound Level
Overload Exceedence
115dB(A) Maximum Sound Level Exceedence
Battery Status
Channel 1 Measurement Data
For 3dB Exchange Rate:
L
Aeq
, L
EX,8h
, L
AE
, % Dose, Exposure (Pa
2
h)
Estimated % Dose, Estimated Exposure (Pa
2
h)
For 4dB & 5dB Exchange Rates (and configurations with Time Weighting or
Threshold):
L
AVG
, TWA, % Dose, Estimated % Dose
1 Minute Time History of:
L
Aeq
(3dB) or L
AVG
(4dB or 5dB)
Peak(C) Level
Battery Level
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