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Monitor 4EC Survey Meter

Regular price $475.00

Monitor 4EC Survey Meter

  • Compact, general purpose survey meter 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.

  • The Monitor 4EC offers a more accurate linear reading for gamma and x-rays (above 40 keV).

  • Specifications: Monitor 4EC: Halogen-quenched GM tube, energy compensated sidewall 2mm tin filter.

  • Thin mica window 1.5-2.0 mg/cm2 thick. 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 -

  • The energy response for gamma and x-rays through the detector sidewall is flat within +61% or -26% over the range of 40 keV to 100 keV, and within +35% or -17% over the range of 100 keV to 1.3 MeV (referenced to Cs-137).

  • 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 4EC: 198.1 grams (7 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.

  • 299.0002

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