| RADIATION TYPE AND FUNCTION | BETA RAYS MEASURES |
| GAMMA RAYS MEASURES |
| RADIATION RANGE PER HOUR | 0.0 TO 500.0 MILLIROENTGENS |
| ACCURACY IN PERCENT | -2.0 TO 2.0 ALL RANGES |
| INDICATOR TYPE | METER |
| DETECTING ELEMENT TYPE | GEIGER TUBE |
| VOLTAGE IN VOLTS AND CURRENT TYPE | 1.5 DC AND |
| 22.5 DC AND |
| 135.0 DC |
| INTERNAL BATTERY ACCOMMODATION | INCLUDED |
| PORTABILITY | PORTABLE |
| CARRYING CASE | PROVIDED |
| CASE MATERIAL | ALUMINUM |
| CASE SURFACE TREATMENT | ENAMEL, GRAY |
| OVERALL LENGTH | 12.500 INCHES NOMINAL |
| OVERALL WIDTH | 5.875 INCHES NOMINAL |
| OVERALL HEIGHT | 8.000 INCHES NOMINAL |
| JOINT ELECTRONICS TYPE DESIGNATION SYSTEM ITEM NAME | RADIACMETER |
| JOINT ELECTRONICS TYPE DESIGNATION SYSTEM ITEM TYPE NUMBER | TYPE NO. IM-74/PDR-27C |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | IM74PDR27C |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MILR15213 |