| Radiation Detected | Alpha above 3.4 meV, beta above 70 keV, gamma and X-rays above 6 KeV |
| Operating Ranges | Rate: | 12 overlapping ranges: 0-1, 3, 10, 30, 100 and 300 mR/h and R/hr; 0-10, 30, 100 and 300 µSv/h, 1 and 3 mSv/h; 0-10, 30, 100 and 300 mSv/h, 1 and 3 Sv/h |
| Integrate: | 6 overlapping ranges: 0-1, 3, 10, 30, 100, and 300 mR; 0-10, 30, 100, and 300 µSv, 1 and 3 mSv |
| Response Time | 90% of final reading within 8 sec. on 1 mR/hr range, 3 secs on 3 mR/hr range decreasing to less than 1 sec. on all other ranges |
| Detector | Unsealed air ionization chamber with 1.1 mg/cm² mylar end window. Supplied with protective cover of tissue equivalent plastic 300 mg/cm² |
| Display | 7.9 cm (3 1/8") taut band meter |
| Battery Complement | Two 1.5 volt "D" cells and four 22.5 volt No. 505 batteries |