User manual

Measurement with allowance for background
Duringmeasurementwithallowanceforbackgroundtwo
valuesforeachtypeofradiationwillshowonthedisplay.
• forgamma-rayradiation-excessofthedoserateover
thebackgrounddoserateandvalueofthebackground
doserate;
• forbeta-rayradiation-excessofuxdensityoverthe
backgrounduxdensityandvalueofthebackground
uxdensity.
GAMMA
BETA
MENU
OFF
BKG
BKG
Search
When this function is enabled, the aggregate
measurement of gamma-ray and beta-ray radiation
measurementisperformed.

SEARCH
MENU
OFF
BKG
a
a.Doserate
Search with allowance for background 
Whenthisfunctionisenabled,theaggregatemeasurement
of gamma-ray and beta-ray radiation measurement is
performed.

SEARCH
MENU
OFF
BKG
a
b
a.excessofcurrentdoserateoverthebackgrounddoserate
b.backgrounddoserate
Dose
When this function is enabled, the aggregate count
of gamma-ray and beta-ray measurement is performed,
as well as of the time period during which it has been
accumulated.
The device provides the possibility to accumulate and
storedosesfortwoindependentusers.
DOSE 1DOSE 1
MONTHS: 0
DAYS: 0
HORS: 0
RESETRESET
DOSE
µSv
Please be advised that the measurement results
obtained with the use of this device should NOT be
relied upon as ofcial and conclusive. No ofcial
government body has approved the use of this device.
RECOMMENDATIONS ON ANALYSIS OF OBJECTS
Analysis of radio-contamination of food products,
household items etc.
1. Measureradiationbackground(notlessthan10cycles)
at the distance of several meters from the object of
analysis.
2. Bringtheswitched-ondeviceveryclosetotheobjectof
analysis.Measuredoserate(notlessthan10cycles).
3. Compare results of measurements. If the value of the
secondmeasurementexceedstherstmeasurementby
more than 1,5 times, the object of analysis has radio-
contamination.
Search for the place of location of radiation source
1. Disablethethresholdfunction.
2. Enabletheacousticand/orvibrationsignalfunction.
3. Move the device in the supposed place of location of
radiationsource.Makeattentionnotonlytothereadings
ofmeasurements,buttothe frequency of signals.The
frequencyofsignalswillincreasewithapproachingthe
sourceanddecreasewithdistancingfromthesource.
TECHNICAL CHARACTERISTICS
Doseratemeasurementrange mсSv/h from0,1to999
Fluxdensitymeasurementrange 1/(см2*min) from6to999
Dosemeasurementrange mсSv from0,01to999
Rangeofenergiesofregistered:
• photonionizingradiation
• beta-rayradiation
MeV from0,05to3,0
from0,5to3,5
Error:
•fordoserate,notmorethan,
where Н – dose rate in mcSv/h ist.
• foruxdensity,notmorethan,
where Р – ux density, 1/cm2*min.
• fordose,notmorethan
%
±(15+3/H)
±(20+200/Р)
±15
Rangeofacousticalarmthresholds
•fordoserate
•foruxdensity
mсSv/h
1/(см2*min)
from0,2to1,2
from10to120
Measurementtime:
•fordoserate
•foruxdensity
sec
21
21
Powersupply:batterytype«АА» pc 1
Periodofcontinuousoperation h 950*
Dimensionsofdevice
heightхwidthхdepth
mm 140x64x26
Massofdevice(withoutbatteries) kg 0,175
*Atfactorysettingsofdevice,inconditionsofnaturalbackground
radiation.
Factory settings: Mode – «MEASUREMENT», Dose rate
threshold – «0,30 mcSv/h», Flux density threshold –
«101/сm2*min»,Background–«OFF»,Settings:acousticsignal
–«SILENCE»,Vibrationsignal–«OFF»,dose–«OFF».
5 6
7 8