Doza DKG-07D Panduan Pengguna - Halaman 5
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2 INTENDED USE
2.1 Operational limitations
2.1.1 Dosimeter retains operability under conditions stated in sect. 1.2.
2.1.2 Avoid dropping of a dosimeter; protect it from shocks and exposure to water.
2.2 Preparation of the product for use
2.2.1 Dosimeter is ready for use when batteries are inserted into the battery compartment.
In case batteries are not inserted, slide the cover of the battery compartment, insert batteries
(observe the polarity) and return the cover in its place.
2.2.2 When the power supply voltage falls below 2.2 V a message "REPLACE BATTERIES"
will appear on the LCD.
2.2.3 Turning on/off is performed by pressing the switch located on the upper end of the
dosimeter.
2.3 Use of product
2.3.1 Turning on/off
2.3.1.1 Turn on the dosimeter by pressing the power on/off switch and observe the following
messages on the LCD:
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in the upper line ..................................... 0.00 Sv·h
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in the lower line ...................................... ********.
2.3.1.2 After 2-3 seconds in the upper line the value of AEDR will appear and in the lower line
– the statistical uncertainty in per cents. Presence of messages mentioned in 2.3.1.1 for more than
10 seconds indicates that the dosimeter is inoperable.
2.3.1.3 To turn the dosimeter off press the power on/off switch.
2.3.2 Selection of measurement mode
Dosimeter simultaneously runs in two modes:
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measurement of AEDR;
-
measurement of AED.
Current value of one measurand is shown on the LCD. To view the value of another
measurand, press the "MODE" button.
2.3.3 Start of measurement
Start of measurement in any mode is performed by pressing the "START" button. This will
initiate the measurement process of the measurand (AEDR or AED), which is indicated when the
button is pressed, while the process of measurement of another measurand (carried out simultaneously)
will be continued.
2.3.4 Measurement of AEDR
2.3.4.1 The following information is shown on the LCD during measurement of AEDR:
1) in the upper line – measured value of AEDR in Sv·h
measurement unit:
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.................................... micro (10
-
m .................................... milli (10
2) in the lower line – statistical uncertainty of measurement in per cent.
2.3.4.2 Measurement of AEDR in each new point is started after pressing the "START" button.
Taking readings from the LCD shall be performed after the moment when statistical uncertainty
(indicated in the lower line) has reached the required value.
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