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Code
Price
In Stock
SE04
£398.99 inc VAT

The Monitor 4 Radiation Alert has a new ergonomic design and is a 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.
Detector: Halogen-quenched uncompensated GM tube with thin mica window 1.5-2.0 mg/cm2 thick.
Display: Analog Meter holds full scale in fields as high as 100X maximum reading.
This product is able to detect alpha down to 2.5 MeV. Typical detection efficiency at 3.6 MeV > 80%. Can detect beta at 50 keV with 35% efficiency. Detects beta at 150 keV with 75% efficiency. Detects gamma and x-rays down to 10 keV through the window, 40 keV minimum through the sidewall. Normal background is approximately 10-20 CPM.
Gamma Sensitivity: 1000 CPM/mR/hr (referenced to Cs-137)
Operating Range of:
0-.5, 0-5, 0-50 mR/hr
0-500, 0-5,000, 0-50,000 CPM or 0-500 µSv/hr
0-50 mR/hr.
Range Switch: X1, X10, X100, Battery Check.
Accuracy: Typically ±15% of reading (referenced to Cs-137)
Audio: Internally mounted beeper (can be turned off for silent operation).
Power Requirements: 9-volt alkaline battery up to 2,000 hrs at normal background
Temperature Range: -20° C to 55° C (-4° F to 131° F).
Weight: 223.9 grams (7.9 oz) without battery
Outputs: 3.5 mm headphone jack with pulse out
Size: 210 x 70 x 48 mm (8.25 x 2.75 x 1.875 in.)
1 year limited manufacture warranty
The Monitor 4 Radiation Alert is supplied with a carrying case and a mini-B 5 pin. A USB option is available upon request as a USB Cable is not included. There is also a SI Meter option available
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