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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 8000 INSP 9000
Price $289 $309 $349 $239 $389 $429 $469 $549 $595
Meter Yes Yes Yes Yes Yes Yes Yes Yes Yes
Meter Type Analog Analog Analog Analog Analog Digital Digital Digital Digital
Range mR/hr 10 plus 100 50 50 50 110 200 100 125
Switchable No No Yes Yes Yes n/a n/a n/a n/a
Anti-Saturation Yes Yes 100X 100X 100X Yes Yes 100X Yes
CPM No No Yes Yes Yes Yes Yes Yes Yes
mR/hr Yes Yes Yes Yes Yes Yes Yes Yes Yes
µR/hr No No No No No No Yes No Yes
µSv/hr Yes Yes Option No Option Yes Yes Yes Yes
On/Off Hold Hold Slide Slide Slide Slide Push Slide Push
Audio Yes Yes Yes Yes Yes Yes Yes Yes Yes
Speaker Yes Yes Yes Yes Yes Yes Yes Yes Yes
Audio Off No No Yes Yes Yes Yes Yes Yes Yes
LED Count No No Yes Yes Yes Yes Yes Yes Yes
Total No No No No No Yes Yes Yes Yes
Alert Yes No No No No Yes Yes Yes Yes
Adjustable No n/a n/a n/a n/a Yes Yes Yes Yes
Alpha No No Yes Yes Yes Yes Yes Yes Yes
Beta Yes Yes Yes Yes Yes Yes Yes Yes Yes
Gamma Yes Yes Yes Yes Yes Yes Yes Yes Yes
X-Rays Yes Yes Yes Yes Yes Yes Yes Yes Yes
Tube style Cylinder Cylinder Cylinder Cylinder Cylinder Cylinder Cylinder Pancake Pancake
Window Type Metal Metal Mica Mica Mica Mica Mica Mica Mica
Window Size n/a n/a .36" .36" .36" .36" .36" 1.75" 1.75"
Sensitivity OK OK Std Std X-ray Std Std Ultra Ultra
Timer No No No No No Yes Yes Yes Yes
Log Surveys No No No No No No Yes No Yes
Data Port No No Yes Yes Yes Yes Yes Yes Yes
Software n/a n/a Option Option Option Option Option Option Option
Audio Port No No No No No Yes Yes Yes Yes
Power 9V Batt 9V Batt 9V Batt 9V Batt 9V Batt 9V Batt 9V Long Life 9V Batt 9V Long Life
Battery Check LED LED Meter Meter Meter LCD Yes LCD Yes
A/C Adapter No No No No No No Option No Option
Case No No Yes Yes 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 5.6/3.2/1.3 5.9/3.2/1.2 5.6/3.2/1.3
Size h/w/d mm 168/83/25 168/83/25 206/71/48 206/71/48 206/71/48 150/80/30 141/80/34 150/80/30 141/80/34
Weight (oz) 7.5 7.5 7.6 7.6 8.3 7.3 9.3 12.5 13.0
Weight (g) 212 212 215 215 235 207 263 354 368
General/Hobby x x x x x x x
1st Response x x x x x
HazMat x
Check Food* some some some some some best best
X-Ray Leaks x x
Model DX-1 DX-2 M4 M4Kit M4EC Rad PRM INSP 9000

*Food Contamination - click on this link for further details 

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Comparison of Probe Models

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Model Prospector Detector Inspector EXP Abacus CDV-700RP
Price $979 $1,095 $749 $665 $279
Meter Yes Yes Yes in Software Yes
Meter Type Analog Analog Digital n/a
Range 50 50 100 2,000 n/a
Switchable Yes Yes n/a n/a n/a
Anti-Saturation 1 R/hr 1 R/hr 100X 100X n/a
CPM Yes Yes Yes Yes n/a
mR/hr Yes Yes Yes Yes n/a
µSv/hr No No Yes Yes n/a
On/Off Rotary Rotary Slide in Software n/a
Audio Yes Yes Yes Yes n/a
Speaker Yes Yes Yes Yes n/a
Audio Off Yes Yes Yes Yes n/a
LED Count No No Yes Yes n/a
Total No No Yes Yes n/a
Alert No No Yes Yes n/a
Adjustable n/a n/a Yes Yes n/a
Alpha No Yes Yes Yes Yes
Beta Yes Yes Yes Yes Yes
Gamma Yes Yes Yes Yes Yes
X-Rays Yes Yes Yes Yes Yes
Tube style Cylinder Pancake Pancake Pancake/Peanut Pancake
Window Type Brass Mica Mica Mica & n/a Mica
Window Size .67" 1.75" 1.75" 1.75" & n/a 1.75"
Sensitivity Standard Ultra High Ultra High Ultra High Ultra High
Timer No No Yes in Software n/a
Data Port No No Yes Wireless n/a
Software n/a n/a Option Included n/a
Audio Port Yes Yes Yes Wireless n/a
Headphones Option Option No No n/a
Power 9V & 2D Batt 9V & 2D Batt 9V Batt 2 AA Batteries n/a
Battery Check Meter Meter LCD n/a
Case No No Yes Pancake cover n/a
Carrying Strap Yes Yes Belt Clip Belt Clip n/a
Meter Size H/W/D" 9/4/5 9/4/5 5.9/3.2/1.2 n/a n/a
Meter Size H/W/D mm 229/102/127 168/83/25 150/80/30 n/a n/a
Probe L. "/cm 5.1/13 11.25/28.6 10/25 13.1/333 10/25
Probe D. "/cm .94/2.4 2.38/6 2.75/7 2.5/64 2.75/7
Cable L. "/cm 36/91 36/91 40/102 n/a n/a
Weight lb/g 4.2/1904 4.2/1904 1.6/734 .8/338 .9/408
General x
1st Response x x x x
Hazmat x x x
Check Food* very good best best very good
Log Surveys x
Model Prospector Detector Inspector EXP Abacus CDV-700RP

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*Food Contamination - click on this link for further details