Electronic Personal Dosimeter NRF3 Series / NRF40

NRF3 Series / NRF40

NRF3 Series

  • Compact and Lightweight

  • Long Battery Life

NRF30

NRF30
Radiation Measured Gamma (X) rays
Detector Silicon semiconductor
Measurement Range 1μSv to 9.999Sv (0.1mrem to 999.9rem)
1μSv/h to 9.999Sv/h
(0.1mrem/h to 999.9rem/h) for dose measurement
Accuracy ≤ ± 10 %
(0.1mSv to 9.999Sv (10mrem to 999.9rem), 137Cs)
Energy Range 30keV to 6MeV
Energy Response ≤ ± 20% (50keV to 6MeV, 137Cs reference)
Angular Response ≤ ± 20%
(Up to ±60degree vertical and horizontal, 137Cs)
≤ ± 50%
(Up to ±60degree vertical and horizontal, 241Am)
≤ ± 30%
(All around horizontal,137Cs, free air)
Dose Rate Linearity ≤ ± 10% (0.1mSv/h to 9.999Sv/h
(10mrem/h to 999.9rem/h),137Cs)
Display LCD (with backlight)
Alarm Volume 85 to 100dB (at 30cm)
Communication Method Infrared communication
Operating Temperature -20℃ to 50℃ (-4°F to 122°F)
Operating Humidity 35% to 95%RH (Non-condensing)
Power Supply Primary Battery (CR123A) x 1
Battery Life 2880hours (without alarm/ communication)
Dimensions 60(W) x 33(D) x 78(H)mm
(2.4(W) x 1.3(D) x 3.1(H) in)
Weight 100g approx. (0.22lb approx.)

NRF31

NRF31
Radiation Measured Gamma (X) rays and Neutron
Detector Silicon semiconductor
Measurement Range Gamma(X) rays : ≤ ± 10%
(0.1mSv to 9.999Sv (10mrem to 999.9rem),137Cs)
Neutron : ≤ ± 15%
(0.5mSv to 9.999Sv (50mrem to 999.9rem), 252Cf)
Accuracy Gamma(X) rays : ≤ ± 10%
(0.1mSv to 9.999Sv (10mrem to 999.9rem),137Cs)
Neutron : ≤ ± 15%
(0.5mSv to 9.999Sv (50mrem to 999.9rem), 252Cf)
Energy Range Gamma(X) rays : 30keV to 6MeV
Neutron : 0.025eV to 15MeV
Energy Response Gamma(X) rays : ≤ ± 20% (50keV to 6MeV, 137Cs reference)
Neutron : ≤ ± 50% (250keV to 4.5MeV, 241Am-Be reference)
Angular Response Gamma(X) rays :
≤ ± 20% (Up to ±60degree vertical and horizontal, 137Cs)
≤ ± 50% (Up to ±60degree vertical and horizontal, 241Am)
≤ ± 30% (All around horizontal, 137Cs, free air)
Neutron :
≤± 30% (Up to ±75degree vertical and horizontal, 241Am-Be)
Dose Rate Linearity Gamma(X) rays : ≤ ±10%
(0.1mSv/h to 9.999Sv/h (10mrem/h to 999.9rem/h), 137Cs)
Neutron : ≤ ± 20%
(0.5mSv/h to 9.999Sv/h (50mrem/h to 999.9rem/h), 252Cf)
Display LCD (with backlight)
Alarm Volume 85 to 100dB (at 30cm)
Communication Method Infrared communication
Operating Temperature -20℃ to 50℃ (-4°F to 122°F)
Operating Humidity 35% to 95%RH (Non-condensing)
Power Supply Primary Battery (CR123A) x 1
Battery Life 2880hours (without alarm/ communication)
Dimensions 60(W) x 33(D) x 78(H)mm
(2.4(W) x 1.3(D) x 3.1(H) in)
Weight 120g approx. (0.26lb approx.)

NRF34

NRF34
Radiation Measured Gamma (X) rays and Beta rays
Detector Silicon semiconductor
Measurement Range 1μSv to 9.999Sv
(0.1mrem to 999.9rem)
1μSv/h to 9.999Sv/h
(0.1mrem/h to 999.9rem/h) for dose measurement
Accuracy Gamma(X) rays : ≤ ± 10%
(0.1mSv to 9.999Sv (10mrem to 999.9rem), 137Cs)
Beta rays : ≤ ± 15%
(0.1mSv to 9.999Sv (10mrem to 999.9rem), 90Sr/90Y)
Energy Range Gamma(X) rays : 30keV to 6MeV
Beta rays : 0.2MeV to 0.8MeV (Mean energy)
Energy Response Gamma(X) rays : ≤ ± 20%
(50keV to 6MeV, 137Cs reference)
Beta rays : ≤ ± 30%
(0.2MeV to 0.8MeV (Mean energy), 90Sr/90Y reference)
Angular Response Gamma rays :
≤ ± 20% (Up to ±60degree vertical and horizontal, 137Cs)
≤ ± 50% (Up to ±60degree vertical and horizontal, 241Am)
≤ ± 30% (All around horizontal, 137Cs, free air)
Beta rays :
≤ ± 30% (Up to ±60degree vertical and horizontal, 90Sr/90Y)
Dose Rate Linearity Gamma(X) rays : ≤ ± 10%
(0.1mSv/h to 9.999Sv/h (10mrem/h to 999.9rem/h), 137Cs)
Beta rays : ≤ ± 20%
(0.1mSv/h to 9.999Sv/h (10mrem/h to 999.9rem/h), 90Sr/90Y
Display LCD (with backlight)
Alarm Volume 85 to 100dB (at 30cm)
Communication Method Infrared communication
Operating Temperature -20℃ to 50℃ (-4°F to 122°F)
Operating Humidity 35% to 95%RH (Non-condensing)
Power Supply Primary Battery (CR123A) x 1
Battery Life 2880hours (without alarm/ communication)
Dimensions 60(W) x 33(D) x 78(H)mm
(2.4(W) x 1.3(D) x 3.1(H) in)
Weight 105g approx. (0.23lb approx.)

NRF40

NRF40
Radiation Measured Gamma (X) rays
Detector Silicon semiconductor
Measurement Range 1μSv to 9.999Sv
(0.1mrem to 999.9rem)
1μSv/h to 9.999Sv/h
(0.1mrem/h to 999.9rem/h) for dose measurement
Accuracy ≤ ± 10%
(0.1mSv to 9.999Sv (10mrem to 999.9rem), 137Cs)
Energy Range 30keV to 6MeV
Energy Response ≤ ± 20% (50keV to 6MeV, 137Cs reference)
Angular Response ≤ ± 20% (Up to ±60degree vertical and horizontal, 137Cs)
≤ ± 50% (Up to ±60degree vertical and horizontal, 241Am)
≤ ± 30% (All around horizontal,137Cs, free air)
Dose Rate Linearity ≤ ± 10%
(0.1mSv/h to 9.999Sv/h (10mrem/h to 999.9rem/h),137Cs)
Display LCD (with backlight)
Alarm Volume 85 to 100dB (at 30cm)
Communication Method Infrared communication
Operating Temperature -20℃ to 50℃ (-4°F to 122°F)
Operating Humidity 35% to 95%RH (Non-condensing)
Power Supply Primary Battery (CR123A) x 1
Battery Life 2880hours (without alarm/ communication)
Dimensions 62(W) x 35(D) x 82(H)mm
(2.4(W) x 1.4(D) x 3.2(H) in)
Weight 115g approx. (0.25lb approx.)

Sample of Hardware Configuration of Dose Management System

Sample of Hardware Configuration of Dose Management System

Dose Management Software for Small Size System

Functions

Dose Management Software for Small Size System

  • Personal Management

  • Access Control

  • RWP Management

  • System Management

Dosimeter Reader

Reads entry/exit information,and writes the setting information received from computer system into dosimeter.

Dosimeter Reader
Display 5.7 / 8.4inch color LCD
Communication Ethernet (Computer system)
Digital I/O (Portal monitor, Turnstile, etc)
Infrared (Dosimeter)
Dimensions 5.7” LCD type: 200(W) x 250(H) x 105(D) mm
(7.9(W) x 9.8(H) x 4.1(D) in)
8.4” LCD: type 250(W) x 285(H) x 115(D) mm
(9.8(W) x 11.2(H) x 4.5(D) in)
Weight 5.7” LCD: type 2.8kg approx.(6.2lb approx.)
8.4” LCD: type 4.0kg approx.(8.8lb approx.)
Power Supply 100 to 240VAC

Related information

Personal dose control system
Surface contamination monitoring
Environmental radiation monitoring
Area/process radiation monitoring
Survey meter
Traceability-of-calibration facility