Doza MKS-15D Snegir Manuel de l'utilisateur - Page 7
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Thus, when the symbol "->!->" is indicated on the display, the automatic restart of AEDR
measurement and beta radiation flux is enabled. It is performed both when the acquired count rate
measurement value exceeds the predetermined limits and when the "START" button is pressed.
Restart is accompanied by an audible signal. In case of automatic restart the signal is generated
regardless of the audible signal blocked/permitted.
In the infinite acquisition mode ("∞" symbol on the display) restart can be performed only by
pressing the "START" button. In this case audible signal is not generated.
1.3.4 Statistical uncertainty of the indicated results is calculated on the basis of the established
confidence probability. Conventional symbols of the confidence probability (reliability) displayed at
the indicator are as follows:
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completely shaded diamond ( ) corresponds 95 %;
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unpainted diamond ( )corresponds 80 %;
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dotted diamond ( ) corresponds 60 %.
1.4 Marking and sealing
1.4.1 The following information is presented at the dosimeter's case:
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trademark and/or name of the manufacturer;
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reference designation of the dosimeter;
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works number of a dosimeter according to the manufacturer's system of numeration;
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degree of ingress protection provided by casings.
1.4.2 The dosimeter is sealed in accordance with the design documentation.
1.5 Packing
1.5.1 The dosimeter is packed into a carton which ensures protection against ingress of
atmospheric precipitations and aerosols, splashes of water, dust, sand, solar ultra-violet radiation and
also limits the ingress of water vapour and gases.
2 INTENDED USE
2.1 Operational limitations
2.1 Dosimeter retains operability under conditions stated in section 1.2.
ATTENTION! UNDER TEMPERATURES BELOW 0 ºC THE DISPLAY RESPONSE IS
SLOW! THIS IS NOT AN EVIDENCE OF THE DOSIMETER'S MALFUNCTION!
2.2 It is forbidden to use of the dosimeter at electrical substations of medium (6 - 35 kV) and
high (above 35 kV).
2.3 When working in a dust environment, or during precipitation place the dosimeter in a
plastic bag.
2.2 Preparation of the product for use
2.2.1 Unpack the dosimeter, perform external examination to determine the absence of
mechanical damages.
2.2.2 Open the lid of the battery compartment and make sure that two batteries are in place,
contacts are reliable and no salt is present on the elements as a result of a long-term storage of the
dosimeter. If salt is present extract batteries out of the battery compartment and replace them. Install
batteries in place according to polarity and close the lid of the battery compartment.
FVKM.412152.005RE
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