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Comparison of Pocket/Handheld Models

(Click on the hyperlinked terms in the left column for further explanation)

Model DX-1 DX-2 M4 M4Kit M4EC Rad INSP
Price $289 $309 $349 $239 $389 $469 $569
Meter Yes Yes Yes Yes Yes Yes Yes
Meter Type Analog Analog Analog Analog Analog Digital Digital
Range 10 plus 100 50 50 50 110 100
Switchable No No Yes Yes Yes n/a n/a
Anti-Saturation Yes Yes 100X 100X 100X Yes 100X
CPM No No Yes Yes Yes Yes Yes
mR/hr Yes Yes Yes Yes Yes Yes Yes
µSv/hr Yes Yes Option No Option Yes Yes
On/Off Hold Hold Slide Slide Slide Slide Slide
Audio Yes Yes Yes Yes Yes Yes Yes
Speaker Yes Yes Yes Yes Yes Yes Yes
Audio Off No No Yes Yes Yes Yes Yes
LED Count No No Yes Yes Yes Yes Yes
Total No No No No No Yes Yes
Alert Yes No No No No Yes Yes
Adjustable No n/a n/a n/a n/a Yes Yes
Alpha No No Yes Yes Yes Yes Yes
Beta Yes Yes Yes Yes Yes Yes Yes
Gamma Yes Yes Yes Yes Yes Yes Yes
X-Rays Yes Yes Yes Yes Yes Yes Yes
Tube style Cylinder Cylinder Cylinder Cylinder Cylinder Cylinder Pancake
Window Type Metal Metal Mica Mica Mica Mica Mica
Window Size n/a n/a .36" .36" .36" .36" 1.75"
Sensitivity OK OK Std Std X-ray Std Ultra
Timer No No No No No Yes Yes
Data Port No No Yes Yes Yes Yes Yes
Software n/a n/a Option Option Option Option Option
Audio Port No No No No No Yes Yes
Power 9V Batt 9V Batt 9V Batt 9V Batt 9V Batt 9V Batt 9V Batt
Battery Check LED LED Meter Meter Meter LCD LCD
Case No No Yes Yes Yes Yes Yes
Size h/w/d" 6.6/3.3/1.3 6.6/3.3/1.3 8.1/2.8/1.9 8.1/2.8/1.9 8.1/2.8/1.9 5.9/3.2/1.2 5.9/3.2/1.2
Size h/w/d mm 168/83/25 168/83/25 206/71/48 206/71/48 206/71/48 150/80/30 150/80/30
Weight (oz) 7.5 7.5 7.6 7.6 8.3 7.3 12.5
Weight (g) 212 212 215 215 235 207 354
General/Hobby x x x x x
1st Response x x x
HazMat x
Check Food x
X-Ray Leaks x x
Model DX-1 DX-2 M4 M4Kit M4EC Rad INSP

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Comparison of Probe Models

(Click on the hyperlinked terms in the left column for further explanation)

Model Prospector Detector Inspector EXP CDV-700RP
Price $979 $1,095 $739 $279
Meter Yes Yes Yes Yes
Meter Type Analog Analog Digital n/a
Range 50 50 100 n/a
Switchable Yes Yes n/a n/a
Anti-Saturation 1 R/hr 1 R/hr 100X n/a
CPM Yes Yes Yes n/a
mR/hr Yes Yes Yes n/a
µSv/hr No No Yes n/a
On/Off Rotary Rotary Slide n/a
Audio Yes Yes Yes n/a
Speaker Yes Yes Yes n/a
Audio Off Yes Yes Yes n/a
LED Count No No Yes n/a
Total No No Yes n/a
Alert No No Yes n/a
Adjustable n/a n/a Yes n/a
Alpha No Yes Yes Yes
Beta Yes Yes Yes Yes
Gamma Yes Yes Yes Yes
X-Rays Yes Yes Yes Yes
Tube style Cylinder Pancake Pancake Pancake
Window Type Brass Mica Mica Mica
Window Size .67" 1.75" 1.75" 1.75"
Sensitivity Standard Ultra High Ultra High Ultra High
Timer No No Yes n/a
Data Port No No Yes n/a
Software n/a n/a Option n/a
Audio Port Yes Yes Yes n/a
Headphones Option Option No n/a
Power 9V & 2D Batt 9V & 2D Batt 9V Batt n/a
Battery Check Meter Meter LCD n/a
Case No No Yes n/a
Carrying Strap Yes Yes n/a n/a
Meter Size H/W/D" 9/4/5 9/4/5 5.9/3.2/1.2 n/a
Meter Size H/W/D mm 229/102/127 168/83/25 150/80/30 n/a
Probe L. "/cm 5.1/13 11.25/28.6 10/25 10/25
Probe D. "/cm .94/2.4 2.38/6 2.75/7 2.75/7
Cable L. "/cm 36/91 36/91 40/102 n/a
Weight lb/g 4.2/1904 4.2/1904 1.6/734 .9/408
General x
1st Response x x x x
HazMat x x x
Check Food x x x
Model Prospector Detector Inspector EXP CDV-700RP

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