The POLIMASTER PM1621A is a professional X-ray and gamma radiation dosimeter for personal dose monitoring with extended dose-rate range up to 1 Sv/h.
Polimaster’s PM1621A Professional X-ray and Gamma Radiation Dosimeter is an energy-compensated instrument that monitors and measures personal dose equivalent Hp(10) and dose equivalent rate from gamma and X-ray radiation. Features energy compensation range from 10 keV up to 20 MeV for accurate measurements. Includes timer, stopwatch, and calendar functions. IP67 rated, operates from -40°C to +60°C. Powered by single AA battery (1-year life). Weight: 150g, dimensions: 87×72×35mm.
| Performance | |
| Detector | GM tube detector |
| Dose equivalent rate measurement range | 0.01 μSv/h~2 Sv/h |
| Dose equivalent measurement range | 0.01 μSv~9.99 Sv |
| Dose equivalent and dose rate alarm threshold range | Continuously adjustable across entire measurement range |
| Dose equivalent rate accuracy | 0.1 μSv/h~1 Sv/h |
| Energy response | 10 keV~20 MeV; accuracy for Cs-137 at 662keV is ±30% |
| Response time to dose rate discontinuous change | Increase: 5s; Decrease: 10s |
| Dose equivalent accuracy (1 μSv~9.99 Sv) | ±15% |
| Operating pressure | 84-106.7 kPa |
| Power | |
| Power source | 1 AA battery, battery life 1 year |
| Physical | |
| Weight and dimensions | 150 g with battery; 87×72×35 mm |
| Other | |
| Deviation | <15% |
| Maximum instantaneous dose rate limit | 10 Sv/h |
| Drop test | 0.7 m |
| Additional functions | Timer: 1s~23h59m59s; Stopwatch: 0.1s~23h59m59s; Calendar: year, month, day |
| Operating temperature | -40°C~+60°C (LCD display: -20°C~+60°C) |
| Operating humidity | 98% |
| Protection level | IP67 |
Calibration, repair and maintenance for your detection instruments.