Multipurpose Survey Meter

MKS-UM

NSN 6665 61 016 9197

ТУ У 26.5-22362867-051:2021

MKS-UM is a full-range radiation survey device in the field environment, which measures alpha, beta, gamma and X-ray radiation. The gamma radiation dose rate is measured from the background to emergency levels. High protection rating and a hard shell allow using the device in harsh climatic and dusty conditions.

Complies with MIL-STD-810G, MIL-STD-461F standards. Complies with ІЕС 60846, ІЕС 60325 standards

To obtain information about our products during the preparation of tender or contractual documentation, please contact our representatives via the provided contacts. We continuously improve our products and expand their functionality in line with market needs by applying the latest technologies, modern components, and materials. Therefore, specifications, descriptions, and configurations are subject to change without prior notice.

Operating Manual

Features

Scintillation detectors and gas discharge Geiger-Muller meters without return run of counting response
Possibility to measure ambient dose equivalent rate (DER) of gamma radiation with the detector which is built in the control unit
Automatic selection between measurement intervals and ranges
Audio signaling of each registered gamma-quantum, beta particle and alpha particle
Backlight of display and control buttons for operation in the dark
Rechargeable Li-lon battery charging by the built-in charger from:
- solar panel
- 12 V automobile battery
- industrial network 220 V/50 Hz
Multilevel indication of battery discharge
Analog indicator of radiation intensity
IP56 of control unit and IP57 of detecting units
Logging of up to 1500 measurement results tagged to location coordinates in the non-volatile memory via USB/IrDA adapter to the PC (built-in GPS receiver)
Viewing of logged measurement results on the display
Easy to operate even if wearing personal protection – rubber gloves

Purpose Of Use

Measurement of ambient dose equivalent rate (DER) of gamma and X-ray radiation
Measurement of ambient dose equivalent (DE) of gamma and X-ray radiation
Measurement of beta-particles surface flux density and beta-particles surface activity
Measurement of alpha-particles surface flux density and alpha-particles surface activity
Measurement of accumulation time of gamma and X-ray radiation DE
Archive of measurement results tagged to location coordinates

Delivery Kit *

control unit
BDKS-01 combined detecting unit of gamma, beta radiation (BG probe)
BDKS-02 combined detecting unit of alpha, beta, gamma radiation (ABG probe)
earpiece
cable
spare parts set
set of operational documents (operating manual, logbook, software and USB/IrDA drives on CD-R mini)
tools and accessories (hoop, 2 carrying straps, telescopic tube armrest, telescopic tube, carrying case, USB/IrDA adapter, solar panel, power cable DC, hard shell, screwdriver, power supply unit with AC cord)
package

* The delivery kit may be completed upon customer’s request

Specifications

Specifications Of The Control Unit Of The MKS-UM Dosimeter-Radiometer

Measurement range of photon-ionizing radiation DER

10^-1 … 10⁶ μSv/h

Indication range of pulse count rate from gamma radiation detector

0 … 9 999 cps

Measurement range of photon-ionizing radiation DE

0.001 … 9 999 mSv

Main relative permissible error limit during DER measurement at ¹³⁷Cs calibration with 0.95 confidence probability, where H*(10) is a dimensionless quantity, numerically equal to DER value measured in μSv/h

(15+2/H*(10)) %

Main relative permissible error limit during DE measurement at ¹³⁷Cs calibration with 0.95 confidence probability

15 %

Energy range of recorded photon-ionizing radiation

0.05 … 3 MeV

Energy dependence during photon-ionizing radiation DER and DE measurement in the energy range from 0.05 MeV to 1.25 MeV, relative to 0.662 MeV energy, not more

20 ... 40 %

Measurement range of DE accumulation time

1 min … 9 999 hrs

Accuracy of DE accumulation time measurement for 24 hrs

±1 min

Operating supply voltage of the dosimeter from Li-Ion storage battery (4 500 mAh)

3.7 V

Additional relative permissible error limit during measurement caused by supply voltage deviation from the reference value in the voltage range from 3.0 V to 4.2 V, for all measured physical quantities, not more

5 %

Additional relative permissible error limit during measurement caused by deviation of environmental temperature from 20 °С in the temperature variation range from -30 to +55 °С

5 % per each 10 °С deviation from 20 °С

Operating mode setup time while the control unit is exposed to photon-ionizing radiation with DER equal to 5 µSv/h, not more

5 min

Time of continuous operation of the dosimeter powered from a fully charged, Li-Ion battery of 4 500 mAh capacity under normal climatic conditions

at gamma background up to 0.5 µSv/h when ABG/BG probes are disconnected and the display backlight and GPS-receiver are switched off, not less

1 200 hrs

at gamma background up to 0.5 µSv/h when ABG/BG probes are disconnected, the display backlight and GPS-receiver are switched on, not less

70 hrs

when ABG or BG probe is connected in the mode of any radiation type measurement, the display backlight and GPS-receiver are switched off, not less

300 hrs

when ABG or BG probe is connected in the mode of any radiation type measurement, the display backlight and GPS-receiver are switched on, not less

50 hrs

Unstable readings of the dosimeter during DER measurement for an 8-hour continuous operation, not more

5 %

Dimensions of the control unit (in hard shell with solar panel), not more

166 × 70 × 132 mm

Weight of the control unit, not more

0.7 kg

Weight of the control unit (in hard shell with solar panel), not more

1.3 kg

Specifications Of The Bdks-01 Combined Detecting Unit Of Gamma, Beta Radiation (Bg Probe)

Measurement range of photon-ionizing radiation DER

10^-1 … 10⁷ μSv/h

Indication range of pulse count rate from gamma radiation detector

0 … 9 999 cps

Main relative permissible error limit during photon-ionizing radiation DER measurement at ¹³⁷Cs calibration with 0.95 confidence probability, where H*(10) is a dimensionless quantity, numerically equal to DER value measured in μSv/h

(15+2/H*(10)) %

Energy range of recorded photon-ionizing radiation

0.05 … 3 MeV

Additional relative permissible error limit during measurement of photon-ionizing radiation DER caused by deviation of environmental temperature from 20 °С in the temperature variation range from -30 to +55 °С

5 % per each 10 °С deviation from 20 °С

Operating mode setup time while the BG probe is exposed to photon-ionizing radiation with DER equal to 5 µSv/h, not more

1 min

Operating mode setup time when measuring surface beta-particles flux density and surface activity of beta-emitting radionuclides, not more

1 min

Measurement range of surface beta-particles flux density

10 … 200 000 part./(cm²·min)

Measurement range of surface activity of beta-emitting radionuclides

0.5 … 9 000 Bq/cm² for С0 source type (⁹⁰Sr/⁹⁰Y)

Indication range of pulse count rate from beta radiation detector

0 … 9 999 cps

Energy range of recorded beta radiation

0.3 … 3 MeV

Main relative permissible error limit during measurement of surface beta-particles flux density at ⁹⁰Sr/⁹⁰Y calibration with 0.95 confidence probability , where Fβ is a dimensionless quantity, numerically equal to surface beta-particles flux density value measured in part./(cm²·min)

(20+200/Fβ) %

Main relative permissible error limit during measurement of surface activity of beta-emitting radionuclides at ⁹⁰Sr/⁹⁰Y calibration with 0.95 confidence probability from С0 type source, where Аβ is a dimensionless quantity, numerically equal to surface activity of beta-emitting radionuclides value measured in Bq/cm²

(20+10/Аβ) %

Area of the detector’s sensitivity

1 cm²

Beta-particles recording efficiency, not less

for ¹⁴С isotope

for ²⁰⁴Tl isotope

for ⁹⁰Sr/⁹⁰Y isotope

0.25

Additional relative permissible error limit during measurement of surface beta-particles flux density and surface activity of beta-emitting radionuclides caused by variation of environmental temperature from -30 to +55 °С

5 % per each 10 °С of deviation from 20 °С

Unstable readings during measurement of all physical quantities for an 8-hour continuous operation, not more

5 %

Dimensions of the BG probe, not more

47 × 95 × 176 mm

Weight of the BG probe, not more

0.3 kg

Specifications Of The Bdks-02 Combined Detecting Unit Of Alpha, Beta, Gamma Radiation (Abg Probe)

Measurement range of photon-ionizing radiation DER

10^-1 … 2·10⁶ μSv/h

Indication range of pulse count rate from photon-ionizing radiation detector

0 … 9 999 cps

Main relative permissible error limit during measurement of photon-ionizing radiation DER at ¹³⁷Cs calibration with 0.95 confidence probability, where H*(10) is a dimensionless quantity, numerically equal to DER value measured in μSv/h

(15+2/H*(10)) %

Energy range of detected photon-ionizing radiation

0.05 … 3 MeV

5 % per each 10 °С of deviation from 20 °С

Setup time of operating mode while the ABG Probe is exposed to photon-ionizing radiation with DER equal to 5 µSv/h, not more

1 min

Setup time of operating mode when measuring beta-particles flux density and surface activity of beta-emitting radionuclides, not more

1 min

Measurement range of surface beta-particles flux density

10 … 300 000 part./(cm²·min)

Measurement range of surface activity of beta-emitting radionuclides for С0 source type (⁹⁰Sr/⁹⁰Y)

0.5 … 13 500 Bq/cm²

Indication range of pulse count rate from beta radiation detector

0 … 9 999 cps

Energy range of detected beta-particles

0.15 … 3 MeV

(20+200/Fβ) %

Main relative permissible error limit during measurement of surface activity of beta-emitting radionuclides at ⁹⁰Sr/⁹⁰Y calibration with 0.95 confidence probability from standard source of С0 type , where Аβ is dimensionless quantity, numerically equal to surface activity of beta-emitting radionuclides value measured in Bq/cm²

(20+10/Аβ) %

Area of the detector’s sensitivity

7 cm²

Beta-particles detection efficiency, not less

for ¹⁴С isotope

for ²⁰⁴Tl isotope

for ⁹⁰Sr/⁹⁰Y isotope

0.4

5 % per each 10 °С of deviation from 20 °С

Measurement range of surface alpha-particles flux density

10 … 300 000 part./(cm²·min)

Measurement range of surface activity of alpha-emitting radionuclides for П9 source type (²³⁹Pu)

0.5 … 10 000 Bq/cm²

Energy range of detected alpha-particles

4 … 8 MeV

Indication range of pulse count rate from alpha radiation detector

0 … 9 999 cps

Main relative permissible error limit during measurement of surface alpha-particles flux density at 239Pu calibration with 0.95 confidence probability , where Fα is a dimensionless quantity, numerically equal to surface alpha-particles flux density value measured in part./(cm²·min)

(15+300/Fα) %

Main relative permissible error limit during measurement of surface activity of alpha-emitting radionuclides at ²³⁹Pu calibration with 0.95 confidence probability from standard source of П9 type , where Аα is a dimensionless quantity, numerically equal to surface activity of alpha-emitting radionuclides value measured in Bq/cm²

(15+15/Аα) %

Area of the detector’s sensitivity

13 cm²

Alpha-particles detection efficiency from ²³⁹Pu isotope, not less

0.06

Additional relative permissible error limit during measurement of surface alpha-particles flux density and surface activity of alpha-emitting radionuclides caused by variation of environmental temperature from -30 to +55 °С

5 % per each 10 °С of deviation from 20 °С

Setup time of operating mode when measuring alpha-particles flux density and surface activity of alpha-emitting radionuclides, not more

1 min

Unstable readings during measurement of all physical quantities during an 8-hour continuous operation, not more

5 %

Dimensions of the ABG probe, excluding the dimensions of the swivel bracket for mounting to the telescopic tube, not more

72 × 186 × 55 mm

Weight of the ABG probe, not more

0.7 kg