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Monitor 4 Survey Meter

Regular price $455.49

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only 1 left in stock

Monitor 4 Survey Meter

  • Compact, general purpose survey meters capable of detecting alpha, beta, gamma, and x-rays over 3 selectable ranges.

  • A red count light flashes and a beep sounds with each event detected.

  • Specifications: Monitor 4: Halogen-quenched uncompensated GM tube with thin mica window 1.5-2.0 mg/cm2 thick.

  • Monitor 4 Energy Sensitivity: Detects alpha down to 2.5 MeV; typical detection efficiency at 3.6 MeV is greater than 80%.

  • * Detects beta at 50 keV with typical 35% detection efficiency.

  • Detects beta at 150 keV with 75% typical detection efficiency.

  • Detects gamma and x-rays down to 10 keV typical through the window, 40 keV minimum through the sidewall of the detector.

  • Normal background is approximately 10-20 CPM.

  • Gamma Sensitivity: 1000 CPM/mR/hr - Range Switch: X1, X10, X100, Battery Check.

  • Operating Range: 0-.5, 0-5, 0-50 mR/hr and 0-500, 0-5,000, 0-50,000 CPM - Accuracy: ±10% of full scale (referenced to Cs-137).

  • Audio Indicator: Internally mounted beeper (can be switched off for silent operation).

  • Anti-Saturation: Meter will hold at full scale in fields as high as 100 times the maximum reading.

  • Power Requirements One 9-volt alkaline battery. Battery life is up to 2,000 hours at normal background radiation levels.

  • Temperature Range: -20° C to 55° C (-4° F to 131° F).

  • Weight of the Monitor 4: 178 grams (6.3 oz.) without battery.

  • Size: 145 x 72 x 38 mm (5.7 x 2.8 x 1.5 inches).

  • Includes: Carrying Case, 1 year limited warranty, and CE mark.

  • 299.0001

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