Monitor 4
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Top > Radiation Safety > Radiation Monitors > Monitor 4 |
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Monitor 4
SKU: SE-MON4
Prices from: $389.00
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Monitor 4 Description
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The Monitor 4 is a general purpose, handheld radiation detector which offers good sensitivity to low levels of alpha, beta, gamma, and x-rays. The analog readout is displayed with a red count light and a beeper sounds with each count detected. 0.36 inch diameter GM detector
The EC version has a sidewall detector providing energy compensated gamma readings up to 40KEV.
The MCIK version offers and extended gamma range from 40KEV and up and is also energy compensated.
| Specifications Geiger
Counter Model Monitor4 &4EC |
| Detector Monitor
4 |
Halogen-quenched, uncompensated
Geiger Muller tube with thin mica window, 1.5-2.0 mg/cm2 .
Approx 1000 CPM.mR/hr for Cesium 137. |
| Detector Monitor
4EC |
Halogen-quenched,
uncompensated Geiger Muller tube Sidewall with 2mm tin filter, 1.5-2.0
mg/cm2.
Approx
1000 CPM.mR/hr for Cesium 137.
Energy compensation only effective through the sidewall |
| Display:
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Analog meter CPM or
Sievert |
| Accuracy: |
± 15% of full
scale
(Referenced to Cs-137) |
| Energy Sensitivity |
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| Alpha |
Detects alpha down to
2.5 meV. Typical detection efficiency at 3.6 meV is greater than 80%
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| Beta |
Detects Beta at 50
KeV with typical 35% efficiency
Detects Beta at 150 KeV with typical 75% efficiency |
| Gamma and X-ray |
Detects Gamma and
X-rays down to 10 KeV through the window and
40 KeV maximum through the side wall
Normal background is ~ 10-20 CPM, Gamma sensistity ~ 1000 CPM/mR/hr |
| EC
Version |
As
above except the energy response through the detector is flat within 61%
or - 26% over the range 40KeV to 100 KeV
and within the range +35% or -17% over the range 100 KeV to 1.4 MeV
(referenced to Cs-137) |
| Operating Range |
CPM 0-500, 0 - 5000,
0 - 50,000
mR/hr - 0-0.5, 0- 5, 0- 50 mR/hr
µSv/hr - 0- 500, )-50 mR/hr (optional scale) |
| Count Light |
Red LED flashes with
each radiation event. |
| 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 min. 2000 hours at normal background radiation
levels. |
| Temperature
Range |
-20ºC to 55ºC
(-4ºF to 131ºF) |
| Weight |
~ 224 grams (8 oz.)
without battery. |
| Size |
210 x 70 x 48 mm (8.25
x 2.75 x 1.875 in.). |
Includes a case.
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