Radiation Alert® Monitor 4

$375.00

Easy to use, great general purpose radiation detector for a wide array of applications. The Monitor 4 Family of radiation detectors has been put to the test by decades of use in numerous industries.

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Description

Easy to use, great general purpose radiation detector for a wide array of applications. The Monitor 4 Family of radiation detectors has been put to the test by decades of use in numerous industries.

Monitor 4:
Halogen-quenched uncompensated GM tube with thin mica window 1.5-2.0 mg/cm2 thick.
Effective diameter of window is 9.1 mm (.36 in.).

Operating Range
0-.5, 0-5, 0-50 mR/hr 0-500, 0-5,000, 0-50,000 CPM or 0-5, 0-50, 0-500 μSv/hr (SI Scale Meter Option)

Energy Sensitivity
1000 CPM/mR/hr (Cs137). M4EC is the same as M4 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.

Both Detect beta at 50 keV with typical 35% detection efficiency and beta at 150 keV with typical 75% detection efficiency.

Accuracy
Typically ±15% of reading (Cs137)

Range Switch
X1, X10, X100, Battery Check.

Display
Analog Meter holds full scale in fields as high as 100X maximum reading. CPM & mR/hr scale. Optional SI Scale Meter Available

Audio Indicator
Internally mounted beeper (can be turned off for silent operation).

Power Requirements
9-volt alkaline battery. Approx. 2,000 hrs. at normal background

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

Weight
M4: 200 g (7.1 oz)

Outputs
3.5 mm jack with pulse out.

Size
209 x 71 x 50 mm (8.2 x 2.8 x 1.9 in.)

Includes
Carrying Case w/ Belt Clip

Options
SI Meter Option, Observer Software, Mini-USB Option w/ USB Observer Software

Limited Warranty
1 year limited warranty

Monitor 4 Kits
Build your own Monitor 4! Learn about how a geiger counter works!

 

Additional information

Weight 2 lbs

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