Dose Rate Meter | Multi-Probe Radiation Meter (Built-In Double Gm Tubes) | Multi-Probe Radiation Meter (Without Built-In Double Gm Tubes) | ||
| Model | DM01 | RM30 | RM40 | |
| type of radiation | x γ | |||
| detector | double GM tubes | |||
| measurement range | 1 μSv/h ~ 10 Sv/h | 0.1μSv/h-10Sv/h | dose rate 0.1μSv/h-10Sv/h accumulated dose 0.01μSv-10Sv | |
| displaying range | 0.00 μSv/h~ 1Sv/h | 0.01μSv-10Sv | ||
| inherent error | ±15%(137Cs,0.1μSv/h-100μSv/h) ±10%(137Cs,100μSv/h-100μSv/h) | :±15%(137Cs,0.1μSv/h-100μSv/h) ±10%(137Cs,100μSv/h-100μSv/h) | ||
| measurement accuracy | ± 15%（1 mSv/h，137Cs） | |||
| Power-supply mode | 3.7V/5.2Ah，Rechargeable lithium battery | |||
| response time | <3s | |||
| energy response | ±40%（60keV-1.3MeV） | |||