2 USE OF THE INSTRUMENT
2.1 General guidelines
When you receive the device after purchase please check the delivery kit and confirm
proper operation of the device in all the operation modes as outlined in sections 2.4.3 to 2.4.5.
Protect the device from shocks and mechanical damages. Avoid exposing the device
to hostile environments, organic solvents and open fire.
2.2
Safety instructions
During device adjustment, checking, repair, maintenance and verification always follow
your employer’s protocols for work with radioactive materials and other radiation sources, as
well as accepted standards for radiation safety.
2.3 Preparation for use
2.3.1 Please read all sections of the manual before using the device.
2.3.2 Unpack the instrument.
2.3.3 Switching on:
- unscrew the battery compartment’s cover;
- insert the battery into the compartment making sure that the positive (“+”) end of the
battery is inserted first;
- replace the battery compartment’s cover.
Right after inserting the battery the dosimeter performs LCD testing (all the segments
and graphic symbols will display for about 2 seconds and then disappear), then the dosimeter
should enter the measurement mode. One minute after inserting the battery the dosimeter is
ready for use.
2.3.4 Place and fix the instrument, detector outwards, on a breast pocket of overalls or
inside it or on the belt.
Attention!
If the device is expected to be used under conditions when the dose
rate value is higher than 0.1 mSv/h, it is recommended to insert a fresh battery.
2.4 Use of the instrument
2.4.1 The instrument operates in the following modes:
- photon radiation DER indication mode;
- photon radiation DE indication mode;
- number indication mode;
- mode of data transmission to PC;
- search mode;
- audible alarm indication mode;
- vibration alarm indication mode;
- set mode;
- partial or critical battery discharge indication mode;
- audible, vibration and visual alarm
mode when exceeding preset DE or DER
thresholds.
The following values will be stored in the instrument’s non-volatile memory during
the task of replacing the battery:
- accumulated dose (DE);
- DE accumulation time;
16
Summary of Contents for PM1621M
Page 1: ...X RAY AND GAMMA RADIATION PERSONAL DOSIMETER РМ1621M PM1621MA OPERATING MANUAL 2 ...
Page 13: ...Figure 1 2 General overview of the instrument 14 ...
Page 14: ...Figure 1 3 The PM1621M with a removable clip 15 ...
Page 21: ...Figure 2 1 Choice of operating mode indication of the instrument 22 ...
Page 22: ...Figure 2 2 Setting the DE threshold values 23 ...
Page 24: ...Figure 2 4 Audio control mode control of the sound volume 25 ...
