Polimaster PM1603A Manual de usuario

WRIST GAMMA DOSIMETER

РМ1603A(PM1603B)

OPERATING MANUAL

CONTENTS

1 DESCRIPTION AND OPERATION OF THE DOSIMETER........................

1.1 Application of the dosimeter....................................................................

1.2 Delivery kit..............................................................................................

1.3 Specifications..........................................................................................

1.4 Design and theory of operation………………………………………………14

2 USE OF THE DOSIMETER……………………………………….………....…17

2.1 General guidelines ……………………………………………………………17

2.2 Safety instructions...................................................................................

2.3 Preparation for use..................................................................................

2.4 Use of the dosimeter...............................................................................

3 MAINTENANCE.........................................................................................

4 TROUBLESHOOTING...............................................................................

5 STORAGE AND SHIPPING.......................................................................

6 WARRANTY..............................................................................................

ATTACHMENT A VERIFICATION TECHNIQUE.………………………………..31

ATTACHMENT B DIAGRAM OF DOZIMETER ROTATION

TO MESURE ANGULAR.……………………………………………………..…………38

This Operating Manual is intended to describe the design, operation and use of

wrist gamma and X-ray radiation dosimeter modification PM1603A and modification

PM1603B (hereinafter referred to as dosimeter). The Operating Manual includes the

general description, specifications of the dosimeter, instructions for the use of the

dosimeter, instructions for metrological test, maintenance recommendations, as well as

some other information necessary for the proper operation of the dosimeter and a full

realization of its possibilities.

The name of the dosimeter in technical documentation and in order is as following:

- Wrist gamma dosimeter PM1603A, type 100345122.018-2001,

- Wrist gamma dosimeter PM1603B, type 100345122.018-2001.

During manufacturing of the dosimeter some changes may be introduced in its

electrical scheme and construction that do not influence the specifications and

metrological parameters and, therefore, may be not specified in this manual.

1 DESCRIPTION AND OPERATION OF THE DOSIMETER

1.1 Application of the dosimeter

The dosimeter is designed to provide:

-continuous measurement of the ambient dose equivalent rate of external gamma

and X-ray (hereinafter referred to as photon) radiation

•

* (10) (hereinafter

referred to as dose equivalent rate or DER);

-measurement of the ambient dose equivalent of photon radiation H* (10)

(hereinafter referred to as dose equivalent or DE);

-measurement of the DE accumulation time of photon radiation;

-indication of current time in hours, minutes and seconds, days of the week,

indication of date and month and using as alarm clock, timer, stop-watch;

-communications of information accumulated and stored in a non-volatile memory

through infra-red (IR) communication channel (the protocol is compatible with

IrDA interface) into the personal computer (PC) using the internal or external IR

adapter.

The dosimeters may be used independently or as a part of a dosimetric control

system for everyday, efficient and emergency dosimetric control of the personnel and

people at sites, production facilities and units, where there is a potential or real risk of

exposure to external X-ray and gamma radiation by officers of customs and border

services, personnel of nuclear facilities, radiological and isotope laboratories, officers of

the emergency services, civil defense, fire brigades, police, as well as in other spheres of

use where there is a necessity in measurement of the personal dose equivalent and

personal dose equivalent rate, alarming of the exceeding of the preset dose and dose rate

levels, information about the dose accumulation and conduct of the dose rate in time, as

well as association of the measured parameters with an individual, systematization and

complex analysis of the accumulated dosimetric information.

The dosimeter meets EN 55022:2010 standards according to provisions of

89/336/EEC Directive. The tests to meet these standards have been conducted at ARC

Seibersdorf research GmbH. Declaration of conformity № 6 is given in page 2.

Operating conditions:

-ambient air temperature from minus 20 оСup to plus 70 оС;

-relative humidity up to 98 % at the temperature 35оС;

-pressure from 84 up to 106.7 kPa.

1.2 Delivery kit

1.2.1 Delivery kit of the dosimeter corresponds to the table 1.1.

Table 1.1

Item

Quantity, pcs.

PM1603A

PM1603B

Wrist gamma dosimeter РМ1603A 1 -

Wrist gamma dosimeter РМ1603B - 1

Battery 1) 1 1

Operating manual

Verification technique of wrist gamma

dosimeters PM1603

2) 1 1

Infrared communication kit

PM1603/04

1 1

Software (CD) 1 1

Package 1 1

1) Usage of other batteries with similar parameters is allowed;

2) It is included in Operating Manual, Attachment A (available on order);

3) Available as an option.

1.3 Specifications

Operating mode:

- indication of gamma radiation DER;

- indication of gamma radiation DE;

- indication of the dosimeter’s number;

PC data exchange;

- alarm clock;

- timer;

- stop-watch;

- clock-calendar;

- set mode;

- indication of partial and critical battery

discharge;

- audible alarming at exceeding of the

preset DE or DER thresholds

DER measurement range

- for the РМ1603A modification

1 µSv/h – 5.00 Sv/h

- for the РМ1603B modification

1 µSv/h – 10.0 Sv/h

DER indication range:

- for the PМ1603A modification

0.01 µSv/h – 6.50 Sv/h

- for the РМ1603B modification

0.01 µSv/h – 13.0 Sv/h

- DER indication sub-range

0.01 – 9.99 µSv/h;

10.0 – 99.9 µSv/h;

100 - 999 µSv/h;

1.00 – 9.99 mSv/h;

10.0 – 99.9 mSv/h;

100 - 999 mSv/h;

1.0 –6.5 mSv/h (РМ1603А);

1.0 – 13.0 Sv/h (РМ1603B);

- DER analogue scale (seven

segments) in a logarithmic gauge

Number of indicated segments (from left to

right) corresponds to the following DER

threshold values on the LCD display:

- one segment - ≥1 µSv/h;

- two segments - ≥10 µSv/h;

- three segments - ≥100 µSv/h;

- four segments - ≥1 mSv/h;

- five segments - ≥10 mSv/h;

- six segments - ≥100 mSv/h;

- seven segments - ≥1.00 Sv/h

Maximum permissible intrinsic relative

error of DER measurement

±(15 + К1/

•

+ К2

•

) %,

where

•

– DER value, mSv/h;

К1– coefficient 0.02 mSv/h;

К2– coefficient equal to 0.003 (mSv/h)-1

(for the PМ1603A modification);

К2– coefficient equal to 0.002 (mSv/h)-1

(for the PМ1603B modification);

DE measurement range

1.0 µSv - 9.99 Sv

Maximum permissible intrinsic relative

error of DE measurement in

measurement range

±15 %

DE indication range

0.01 µSv – 9.99 Sv

Indication sub-ranges:

0.01 – 9.99 µSv;

10.0 – 99.9 µSv;

100 – 999 µSv;

1.00 – 9.99 mSv;

10.0 – 99.9 mSv;

100 - 999 mSv;

1.0 Sv – 9.99 Sv

Discreteness of DE accumulation

time indication

1 h

8The dosimeter provides inputting, storage in a non-

volatile memory and continuous

control of

two threshold DER and DE levels within the whole measurement range, various

audible alarms at exceeding of the preset first and second threshold levels.

Discreteness of threshold DER and DE

level setting

Unit of the lower

-order indicated position

9The dosimeter provides the record in the history of DER and/or DE measured values

through the programmable time interval with reference to the dosimetric time which is set

with the help of PC.

The history record - linear

- iterative (cyclical)

Interval of history record - from 1min up to 18h

Registered energy range:

- PM1603A, PM1603B

0.048 – 3.0 МeV

Energy response relative to

0.662 MeV (137Cs), no more than

- PM1603A, PM1603B

±30 %

11 Anisotropy δαof the dosimeter for each energy value does not exceed values (in %)

presented in Table 1.1, when the dosimeter is rotated in the horizontal plane and does not

exceed values (in %) presented in Table 1.2, when the dosimeter is rotated in the vertical

plane.

Table 1.1

Angle of detection relative to

the direction of graduation, °

Energy of gamma radiation, MeV

Anisotropy (δ

), %

0.059

0.662

1.25

+10/-20

+15/-15

+10/-40

+15/-15

+15/-30

+15/-15

+10/-20

120

0/-45

+15/-15

+10/-20

150

0/-35

+15/-15

180

0/-35

+15/-15

-30

+10/-15

+15/-15

-60

-20/-60

+15/-15

-90

-40/-95

0/-30

+5/-25

-120

-40/-95

+10/-20

-150

-10/-55

+15/-15

Table 1.2

Angle of detection relative to

the direction of graduation, °

Energy of gamma radiation, MeV

Anisotropy (δα), %

0.059

0.662

1.25

+10/-15

+15/-15

-5/-45

+10/-20

+5/-25

+15/-20

0/-30

120

-20/-65

+10/-20

150

0/-40

+15/-15

+10/-20

180

+5/-30

+15/-15

+10/-20

-30

-5/-35

+15/-15

-60

-20/-65

+5/-25

-90

+5/-50

0/-30

+5/-25

-120

-20/-80

+10/-20

-150

0/-40

+15/-15

+10/-20

Coefficient of variation (deviation of the

dosimeter’s readings caused by statistic

fluctuations) at DER measurement at a

confidence coefficient 0.95, no more

than

±10 %

Maximum permissible additional relative

error of DER measurement:

- at temperature variations from minus 20

to plus 70°С

±15 %

- at relative humidity of ambient air 98%

at 35 °С

±15 %

- at power voltage variations from

nominal value to limiting voltage values

±10 %

- on exposure to magnetic field of

400 A/m strength

±5 %

- on exposure to radio frequency

electromagnetic fields

±5 %

14 LCD backlight at pressing LIGHT button (3-5) s

Instability of DER readings during

24 hour continuous work, no more than

5 %

The dosimeter has two independent time:

- the current time (clock-calendar),

which is set using the buttons;

- the dosimeter (inner) time, which is

set by the PC

17 In the “clock-

calendar” mode the

dosimeter provides:

- indication of the current time in hours

(24/12), minutes (60), seconds (60);

- indication of date, the day of the week,

number of month, year (automatic

calendar);

In the “timer” mode of dosimeter

provides:

the set of time intervals from 1s up to

23 h 59 min

19 In the “stop-watch” mode the dosimeter

provides:

the measurement of time intervals in

the range from 0.1 up to 23 h 59 min

59.9 s

20 Clock daily rate of time gaining or losing

in normal conditions, no more than

± 0.5 s

PC communication

by a special program using IR

communication channel adapter

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