| Source |
14C (0.130 mCi); 210Bi (0.0255mCi); 60 Co |
| Sensitivity |
3900-21% effic; 2500-21% effic; 16 cps/mR/hr |
| Background (cpm) |
10 to 20 |
| Range |
0 to 50 mR/hr; 0 to 50,000 cpm or 0 to 500 µSv/hr |
| Display |
analog bar graph |
| Function |
audible/visible counter |
| Detector |
9 mm dia GM tube with mica end window |
| Window |
1.5 to 2.0 mg/cm2 thick mica |
| Accuracy |
±15% of reading (referenced to Cs-137) - Typically |
| Dimensions |
8 1/4" W x 2 3/4" H x 1 7/8" D
(210 x 70 x 48 mm) |
| Output |
3.5 mm headphone jack with pulse out |
| Brand |
Radiation Alert |
| Manufacturer number |
MONITOR 4, CPM |
| Model |
MONITOR 4, CPM |
| Power |
One 9 V battery |