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Our Price: $179.99

Availability:: Usually Ships in 24 to 72 Hours
Product Code: NUKALERT

More than just a detector, the NukAlert is a patented personal radiation meter and alarm. Small enough to attach to a key chain, the device operates non-stop, 24/7 and will promptly warn you of the presence of unseen, but acutely dangerous levels of radiation.

Used nationwide by federal, state and local first responders, law enforcement and the Dept. of Defense, the device is the ideal solution for increasing individual security and awareness of radiological threats. It will be very reassuring to know, with confidence, when you and your family are out of the worst danger.



Meets the following DoD EMP immunity standards:

  • MIL-STD  461D  (Control of EM Interference)
  • MIL-STD  RS105 (EMF Transients)
  • DHS ODP Grantees: Purchase of NukAlert Authorized !
  • U.S. Department of Homeland Security
  • Office of Domestic Preparedness ODP Bulletin #168 (PDF)   5/19/2005
  • Tested & Verified by Naval Air Warfare Center
  • Always "ON" 24/7, Includes long-life 10+ year battery
  • Detection Range:  100 mR/hr to 5,000 R/hr,
  • Metering:  100 mR/hr to 50 R/hr, in 10 calibrated ranges
  • Proportional Increasing Chirp Rate:  50 R/hr to 5,000 R/hr
  • Gamma and X-rays from 20 keV to above 2 MeV
  • Sensitivity incl. higher emergency radiation levels
  • Alarm "chirp" corresponds to chart on back of device
  • Introduced before Health Physics Society - 1/03
  • Performance verified by Nat'l Radiological Laboratory
  • Each unit individually radiation accuracy tested
  • Patented technology
  • 10 Year Warranty
  • Made in the U.S.A


  • Detects Gamma & X-ray radiation: 20 keV to 2+ MeV
  • Detection Range: 100 mR/hr to 5,000 R/hr
  • Sensitivity: 100 mR/hr to 50 R/hr indicated in 10 ranges
  • Proportional Increasing Chirp Rate:  50 R/hr to 5,000 R/hr
  • Indication: Repeating groups of rapid countable chirps
  • Operational indicator: faint "ticking" = operating OK.
  • Alarm loudness: ~ 61 dBA (speaking volume)
  • Durability: Functional after 6' drop or submersion to 6'
  • Battery: Operational Life Expectancy @ room temp:
    - Non-alarming (normal operation) - 10 to 15 years
    - Alarming continuously at single chirp level - 3 years
    - Alarming continuously at highest alarm level - 3 months
  • Detector: Patented CdS photo resistor coupled to a rare earth phosphor scintillator
  • Housing: hermetically sealed, radiation transparent, abrasion resistant ABS plastic
  • Accuracy: Within +/- 1 chirp
  • Response Time: Dose rate dependent:
    • ~3 - 4 min. @100mr/hr
    • ~4 - 5 sec. @ R/hr ranges
  • Accumulated dose chart on back
  • EMP immunity: Meets MIL-STD-461D, RS105
  • Over range survivability: Functional after 5K R/hr. for 2hr.
  • Temperature Range: -20 C  to  +50 C
  • Physical: 1.75"x1.25"x .75"H (LxWxH), Wt <1.0 oz.


 "This is the most remarkable advance in civil defense equipment in many, many years. These are truly great devices." - Dr. Arthur B. Robinson Dir., Oregon Institute of Science and Medicine, Publisher of 'Nuclear War Survival Skills' book, Co-Author of the Civil Defense book 'Fighting Chance' (over 500,000 copies sold).

 "The current Washington status symbol is not a congressional parking pass but a $160 NukAlert™ radiation detector key fob that looks like a garage door opener but beeps like a Geiger counter when background radiation levels become dangerous." - SALT LAKE TRIBUNE (3/21/03)


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