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TERRA-P+

Dosimeter-radiometer MKS-05

Сonforms to the CE standards
Big display with luminescent backlight
Built-in gamma, beta-sensitive Geiger-Muller counter

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Features
Specifications
Delivery kit

TERRA-P

TERRA-P+

Features
Specifications
Delivery kit

Order

Description

TERRA-P+ is a world-known dosimeter, designed on the basis of the professional device MKS-05 TERRA.

TERRA-P+ designed exactly for your needs if you:

– want to be sure of your radiation safety
– take care of your family
– are aware of possible radiation risks
– have a healthy diet
– own real estate or have projects under construction
– prefer active leisure time (tourism, hunting, fishing, skiing, etc.)
– like travelling
– use cash
– want to choose a useful and original gift for the loved ones
– choose the optimal price-quality ratio of the product

Purpose of use

Measurement of ambient dose equivalent rate (DER) of gamma and X-ray radiation (photon-ionizing radiation)
Measurement of ambient dose equivalent (DE) of gamma and X- ray radiation
Measurement of surface beta-particles flux density
Measurement of ambient dose equivalent accumulation time

Branches of Use

Educational programs

Household use

Features

Big display with luminescent backlight
Simultaneous indication of units of measurement, measurement errors, threshold level, and real-time on the display
Analog ten-segment indicator of registered radiation intensity
Ability to perform measurements with a preset error
Four-level indication of battery discharge
Built-in memory which allows storing up to 1 200 measurements
Five independent measuring channels with an alternate indication of data on the single liquid crystal display
Built-in gamma, beta-sensitive Geiger-Muller counter
Prompt evaluation of gamma background within 10 seconds
Automatic subtraction of gamma background at the measurement of beta contamination
Measurement results averaging, manually and automatically interrupted
Automatic setting of measurement intervals and ranges
Audio, vibration, and vibration-audio alarm of each detected gamma-quantum or beta-particle that can be switched off
Two-tone audio, vibration, and vibration-audio alarm of exceeded programmed threshold levels
Clock and alarm clock

Specifications

Measurement range of photon ionizing radiation DER	0.1 … 5·10³ μSv/h
Main relative permissible error limit of photon ionizing radiation DER measurement with confidence probability of 0.95:
– in the range from 0.1 μSv/h to 1.0 μSv/h	(15+2/М) %, where M is a dimensionless quantity numerically equal to the value of the measured DER in μSv/h
– in the range from 1.0 μSv/h (inclusive) to 5·10³ μSv/h	15 %
Measurement range of photon ionizing radiation DE	0.1 … 1·10⁷ mSv
Main relative permissible error limit of photon ionizing radiation DE measurement with confidence probability of 0.95	±25 %
Energy range of detected photon ionizing radiation	0.05 … 3 MeV
Energy dependence of the dosimeter readings at photon ionizing radiation DER and DE measurement in the energy range of 0.05 MeV to 1.25 MeV relative to the energy of 0.662 MeV (¹³⁷Cs)	±35 %
Measurement range of surface betaparticles flux density	1·10¹ … 1·10⁵ cm^-2·min^-1
Main relative permissible error limit of beta-particles flux density measurement from a source of ionizing radiation ⁹⁰Sr+⁹⁰Y with a confidence probability of 0.95 by the MKS-05 “TERRA-P+” dosimeter:
– in the range from 1·10¹ cm^-2·min^-1 to 5·10¹ cm^-2·min^-1	(25+200/М) %, where M is a dimensionless quantity numerically equal to the value of the measured surface beta particles flux density in cm^-2·min^-1
– in the range from 5·10¹ cm^-2·min^-1 (inclusive) to 1·10⁵ cm^-2·min^-1	25 %
Energy range of detected beta particles	0.5 … 3 MeV
Measurement range of DE accumulation time	9 999 h
Resolution of DE accumulation time display in the range
– of 0 to 100 hrs	1 min
– of 100 hrs to 9 999 hrs	1 h
Battery life (AAA × 2 of 1 280 mA·h capacity) under +20 ^оС temperature, natural background radiation and switched off backlight of the liquid crystal display (LCD), not more than	2000 h
General operating supply voltage of the dosimeter from two AAA size batteries	3 V
Additional permissible error limit during measurement caused by a change in ambient temperature from -20 °C to +50 °C for all measured physical quantities	5 % per each 10 ºС deviation from 20 ºС
Mean time to failure, not less than	6 000 h
Average service life of the dosimeter, not less than	6 year
Average shelf life of the dosimeter, not less than	6 year
Dimensions, not more than	55 x 26 x 120 mm
Weight, not more than	0.2 kg