Pulsar Model 22 User Manual
Page 37
Configuration of the Measurement Parameters
The MODEL 22 dosemeter, when used with the MODEL 22R Reader unit, allows
configuration of several different measurement parameters which can be adjusted to
meet the requirements of Local, National or International Standards as required.
The version of the dosemeter referred to in this manual provides Dual Channel
measurements. Channel 2 is preset to a 3dB ISO configuration and cannot be altered
by the user.
The following parameters can be configured for Channel 1 as required.
Criterion Time
Criterion Level
Threshold Level
Time Weighting
Exchange Rate
Please note that any changes of the dosemeter configuration will only be programmed
into the dosemeter when it is Reset by the Reader unit.
The Glossary on page 54 provides additional information about these different
parameters.
Please note that the MODEL 22R Reader Unit will not allow a MODEL 20 or
MODEL 20-TH dosemeter to be programmed with settings that are not
compatible with these older instruments. If the user attempts to program a
MODEL 20 or MODEL 20-TH dosemeter with an incorrect configuration, an
error message will be displayed as shown below.
Criterion Time (CT)
The Criterion Level, displayed as CT by the Reader unit, is used by the dosemeter
system for the calculation of the following measurement functions:
L
EP,d
or TWA
% Noise Dose
Estimated % Noise Dose
To check the setting for the Criterion Time (CT), press the menu button and select the
Criterion Time option. The current setting for the Criterion Time is shown at the bottom
of the screen.
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