DX-1 Handheld Radiation Monitor (0-10 mR/hr)

DX-1 Pocket Geiger Counter Handheld Radiation Detector
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Easy-to-use Pocket Geiger Counter Radiation Detector

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Part Number: DX-1
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DX-1 Handheld Radiation Monitor and Personal Geiger Counter (0-10 mR/hr)

The DX-1 instantly indicates levels of beta, gamma, and X-ray radiation by audible clicks from an internal speaker and by the compressed-scale meter. At higher radiation levels the speaker beeps, indicating elevated radiation levels. The beeping will begin above 10 mR/hr, intervals between beeps decreasing in relation to field strength, becoming a continuous alerting tone above 20 mR/hr. A single push-button activates the DX-1 geiger counter only when needed, conserving battery power.

  • LED indicator for battery condition updates
  • The easy-to-use Pocket Geiger Counter Radiation Detector provides you with quick and accurate measurements of radioactivity
  • Handheld radiation detection device is ideal for Homeland Security, detecting environmental and industrial contamination, education, and rock and mineral enthusiasts


  • Range: 0-10 mR/hr (0-100 μSv/hr)
  • Temperature: 14 - 104°F
  • Dimensions: 6-5/8" X 3-1/4" X 1-3/8"
  • Display: Dual scale, Logarithmic, Analog Meter
  • NOT waterproof
  • Indicators: Red LED "ON" w/ audible clicks
  • Battery type / life: one 9V / approx. 30 hrs at norm background levels
  • Weight: 8.5 oz w/ battery

DX-1 Operation Manual
Portable Radiation & Dosimeter Comparison Chart

Radiation meters are a special purchase item to address the needs of our customers and are non-refundable, with the exception of products that are not functioning due to manufacturer defects. Replacement for defective items must have troubleshooting performed by our technical department prior to RGA approval.

6 5/8 x 3 1/4 x 1 3/8 "
One, 9-Volt battery
Operating Conditions
-10 to 40 °C
0-10 mR/hour (0-100 uSv/hr)
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