The Radstar 300 series professional CRM is the top choice by
Home Inspectors & Environmental Testing Companies.
* Install on Windows operating systems, on
other operating systems like Mac, you may have to use a PC Emulator software to
run the Radstar Software
| Accuracy |
less than 10% deviation |
| Measurement |
Radon Gas (Rn-222 Alpha) |
| Principle of Operation |
Pulsed Ionization Chamber |
| Units |
picoCuries per Liter |
| Sensitivity |
0.27 cpm/pCi/L |
| Dynamic Range |
0.5 to 150 pCi/L |
| Linearity |
plus or minus 10% Best straight line |
| Lower Limit of Detection |
0.5 pCi/L |
| Data Storage (nonvolatile) |
Up to 240 readings, wrap on overrun |
| Sampling Mode |
Passive diffusion |
| Measurement Interval |
1 hour |
| Maximum Number of Intervals |
240 |
| Continuous Measurement Range |
1 hour to 10 days |
| Shows Alpha Counts |
Yes |
| Calculates Average Measurement |
Yes |
| Data Transfer Software (Windows) |
RadStar Data Capture Utility Version 4.1 |
| Tilt Switch |
Yes |
| A/C Power Fail Detection |
Yes |
| Key Switch Lock-out |
Yes |
| Physical Dimensions |
7"H x 8"W x 4.5"D |
| Weight |
2.5 pounds |
| Color |
Green & Black |
| Operating temperature |
50° to 90°F |
| Operating humidity |
0 to 80% RH non-condensing |
| Display |
None |
| Operating Indicators |
Green A/C Power, Red Testing LED |
| Output |
RS-232 serial port |
| Battery Operation |
5 to 8 days; internal NiCad |
| Battery Recharge Time |
12 Hours |
| Power Supply |
AC Wall Transformer (110vAC to 12vDC 800mA) |
1. Plug power adapter marked RadStar Power Supply into any 120VAC outlet.
RS300 International power supplies are provided with plug adapters and may use
any 120/240VAC 50/60Hz single phase outlet.
2. Plug free end of power adapter
into left side of RS300. Green LED should come on.
3. Insert key and turn to
[ Keypad On ].
4. Press and hold the [ Hold to Clear ] button until the beep
tone stops to erase any previously stored test data. There will be a short beep
to indicate the memory has been cleared.
5. When you are ready to start the
test, turn key to [ Measure On ] position and remove the key.
