Monitor 4 Survey Meter – Analog

$465.00$535.00

Monitor 4 Survey Meter – Analog The Monitor 4 Survey Meter and Monitor 4EC are 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. The Monitor 4EC offers more accurate linear readings for gamma…

Description

Monitor 4 Survey Meter – Analog

The Monitor 4 Survey Meter and Monitor 4EC are 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. The Monitor 4EC offers more accurate linear readings for gamma and x-rays that are above 40 keV.

Specifications:

  • Monitor 4 Survey Meter: Halogen-quenched uncompensated GM tube with thin mica window 1.5-2.0 mg/cm2 thick.
  • Monitor 4EC: Halogen-quenched GM tube, energy compensated sidewall 2mm tin filter. 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
  • Monitor 4EC Energy Sensitivity Same as Monitor 4 except: 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 4: 178 grams (6.3 oz.) without battery
  • 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
  • Options: Belt Clip

Additional information

Weight N/A
Dimensions N/A

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