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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 Rad Dig 8000 Insp-A Insp-U 9000 Onyx
Price $289 $309 $349 $429 $469 $469 $549 $565 $595 $749
Meter Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Meter Type Analog Analog Analog Digital Digital Digital Digital Digital Digital Digital
Range mR/hr 10 plus 100 50 110 200 200 100 100 125 100
Switchable No No Yes n/a n/a n/a n/a n/a n/a n/a
Anti-Saturation Yes Yes 100X Yes 100X Yes 100X 100X Yes 100X
CPM No No Yes Yes Yes Yes Yes Yes Yes Yes
mR/hr Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
ÁR/hr No No No No No Yes No No Yes No
ÁSv/hr Yes Yes Option Yes Yes Yes Yes Yes Yes Yes
On/Off Push Hold Slide Slide Slide Push Slide Slide Push Slide
Audio Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Speaker Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Audio Off No No Yes Yes Yes Yes Yes Yes Yes Yes
LED Count No No Yes Yes Yes Yes Yes Yes Yes Yes
Total No No No Yes Yes Yes Yes Yes Yes Yes
Alert Yes No No Yes Yes Yes Yes Yes Yes Yes
Adjustable No n/a n/a Yes Yes Yes Yes Yes Yes Yes
Alpha No No Yes Yes Yes Yes Yes Yes Yes Yes
Beta Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Gamma Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
X-Rays Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Tube style Std Std Std Std Std Std Pancake Pancake Pancake Pancake
Window Type Metal Metal Mica Mica Mica Mica Mica Mica Mica Mica
Window Size n/a n/a .36" .36" 36" .36" 1.75" 1.75" 1.75" 1.78"
Sensitivity OK OK Std Std Std Std Ultra Ultra Ultra Ultra
Timer No No No Yes Yes Yes Yes Yes Yes Yes
Data Logging No No No No Yes Yes No Yes Yes Yes
Data Port No No Yes Yes Yes Yes Yes USB Yes Yes
Software n/a n/a Option Option Incl. Option Option Incl. Option Incl.
Audio Port No No No Yes Yes Yes Yes Yes Yes Yes
Power 9V Batt 9V Batt 9V Batt 9V Batt 9V Batt 9V Long Life 9V Batt 9V Batt 9V Long Life 3.7V Li-Ion Rech.
Battery Check LED LED Meter LCD Yes Yes LCD Yes Yes LCD
A/C Adapter No No No No No Option No No Option Option
Case No No Yes 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 5.9/3.2/1.2 5.9/3.2/1.2 5.6/3.2/1.3 5.9/3.2/1.2 5.9/3.21.2 5.6/3.2/1.3 5.1/2.6/.9
Size h/w/d mm 168/83/25 168/83/25 206/71/48 150/80/30 150/80/30 141/80/34 150/80/30 150/80/30 141/80/34 630/230/130
Weight (oz) 7.5 7.5 7.6 7.3 7.3 9.3 12.5 12.5 13.0 7.0
Weight (g) 212 212 215 207 207 263 354 354 368 200
General/Hobby x x x x x x
1st Response x x x x x x
HazMat x x
Check Food* some some some some best best best best
X-Ray Leaks x x x x
Model DX-1 DX-2 M4 Rad Dig 8000 Insp-A Insp-U 9000 Onyx

*Food Contamination - click on this link for further details 

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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 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
ÁSv/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
Data Logging x
Model Prospector Detector Inspector EXP Abacus CDV-700RP

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*Food Contamination - click on this link for further details