How to Select Your Instrument - Comparison Chart
Instruments powered by a 9V Alkaline battery. Each model includes an LED & an audible beeper (which can be muted) that register each radiation event.
Download the Comparison Chart as an Excel Document.
| Instrument Name |
Sensor |
Detects & Measures |
Display |
Ports |
Operating Range |
Utility Menu |
Timed Count |
Auto Averaging |
Adjustable Alert Feature |
Weight |
|
| Radalert 100 |
LND 712 |
α, β, γ, X |
digital LCD |
3.5 mm data output & 2.5 mm calibration input |
.001 to 110 mR/hr
.01 to 1100 μSv/hr
0 to 350,000 CPM
0 to 3,500 CPS
0 to 9,999,000 Total Counts |
Yes |
1 min to 40 hrs |
Yes - Can be turned On or Off |
adjustable to 50 mR/hr & 160,000 CPM |
225 grams |
|
| The Geiger(Discontinued) |
Glass GM Tube |
β, γ, X |
no display |
3.5 mm data output & 2.5 mm audio output |
0 to 420,000 CPM |
No |
N/A |
N/A |
No |
200 grams |
|
| Monitor 4(Discontinued) |
LND 712 |
α, β, γ, X |
analog meter |
N/A |
selectable (by switch):
x1: 0 to .5 mR/hr & 0 to 500 CPM
x10: 0 to 5 mR/hr & 0 to 5K CPM
x100: 0 to 50 mR/hr & 0 to 50K CPM |
No |
N/A |
N/A |
No |
178 grams (without battery) |
|
| Inspector Alert |
LND 7317 |
α, β, γ, X |
digital LCD |
3.5 mm data output & 2.5 mm calibration input |
.001 to 100 mR/hr
0 to 350,000 CPM
.01 to 1,000 μSv/hr
0 to 5,000 CPS
0 to 9,999,000 Total Counts |
Yes |
1 min to 24 hrs |
Yes - Can be turned On or Off |
adjustable to 50 mR/hr & 160,000 CPM |
323 grams |
|
| Inspector EXP |
LND 7317 housed in an anodized aluminum external probe |
α, β, γ, X |
digital LCD |
3.5 mm data output, 2.5 mm calibration input, & probe port |
.001 to 100 mR/hr
0 to 350,000 CPM
.01 to 1,000 μSv/hr
0 to 5,000 CPS
0 to 9,999,000 Total Counts |
Yes |
1 min to 24 hrs |
Yes - Can be turned On or Off |
adjustable to 50 mR/hr & 160,000 CPM |
350 grams |
|
|