Description

Purpose of use

– Measurement of gamma radiation equivalent dose rate.

– Measurement of gamma radiation equivalent dose.

– Evaluation of surface contamination by beta radionuclides.

– Clock, alarm clock.

Household aplication

– Apartment, building and construction control; personal radiation safety; ground-surface continuous territories control; and vehicles control.

– Evaluation of radiation contamination of farm products.

– Visual aids for educational institutions.

Features

– Three independent measuring channels with alternate indication of data on the single liquid crystal display.

– Built-in gamma, beta sensitive Geiger-Muller counter.

– Automatic setting of measurement intervals and ranges.

– Audio signalling of each detected gamma-quantum and beta-particle.

– Programming of audio alarm threshold level relative to gamma radiation dose rate.

– Digital display.

– Two AAA size batteries.

– Four-level indication of battery discharge.

– Shock resistant frame.

– Small weight and dimension parameters.

Measurement ranges and basic relative errors:
Gamma radiation equivalent dose rate (¹³⁷Cs)	µSv/h	0,1…999,9;±25%
Gamma radiation equivalent dose (¹³⁷Cs)	mSv	0,001…9 999;±25%
Beta-particles flux density with possible evaluation of surface contamination by beta radionuclides (⁹⁰Sr+⁹⁰Y)	1/(сm²·min)	10…100 000;
Energy ranges of measurement and energy dependence:
Gamma radiation	MeV	0,05…3,0;±25%
Beta radiation	MeV	0,5…3,0;
Measurement time intervals	seconds	5…70
Battery life	hours	6 000
Operating temperature range	°С	-10…+50
Weight	kg	0,15
Dimensions	mm	120×52×26