Features
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Big display with luminescent backlight
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Simultaneous indication of units of measurement, measurement errors, threshold level and real time on the display
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Analog ten-segment indicator of registered radiation intensity
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Ability to perform measurements with a preset error
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Four-level indication of battery discharge
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Built-in memory which allows storing up to 1 200 measurements
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Mode of PC connection via Bluetooth
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Five independent measuring channels with alternate indication of data on the single liquid crystal display
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Built-in gamma-beta-sensitive Geiger-Muller counter
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Prompt evaluation of gamma background within 10 seconds
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Automatic subtraction of gamma background at measurement of beta contamination
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Measurement results averaging, manually and automatically interrupted
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Automatic setting of measurement intervals and ranges
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Audio, vibration and vibration-audio alarm of each detected gamma-quantum or beta-particle that can be switched off
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Two-tone audio, vibration and vibration-audio alarm of exceeded programmed threshold levels
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Clock and alarm clock
Specifications
| Measurement range of photon-ionizing radiation DER | 0.1 … 9 999 µSv/h |
| Main relative permissible error limit of photon-ionizing radiation DER measurement with confidence probability of 0.95 | (15+2/H*(10)) %,where H*(10) is a numeric value of the measured DER in μSv/h |
| Measurement range of photon-ionizing radiation DE | 0.001 … 9 999 mSv |
| Main relative permissible error limit of photon-ionizing radiation DE measurement with confidence probability of 0.95 | ± 15 % |
| Energy range of registered photon-ionizing radiation | 0.05 … 3 MeV |
| Energy dependence when measuring gamma radiation DER and DE relative to 0.662 MeV energy (137Cs) in the energy range from 0.05 to 1.25 MeV, not more | ± 25 % |
| Measurement range of surface beta-particles flux density | 10 … 100 000 part./(cm²·min) |
| Main relative permissible error limit of beta-particles flux density measurement with confidence probability of 0.95 | (20+200/φβ) %, where φβ is a numeric value of the measured surface flux density in part./(cm²·min) |
| Energy range of registered beta-particles | 0.5 … 3 MeV |
| Measurement range of DE accumulation time | 9 999 h |
| Resolution of DE accumulation time display in the range- of 0 h to 100 h
– of 100 h to 9 999 h |
1 min
1 h |
| Absolute permissible error limit at DE accumulation time measurement during 24 h | ± 1 min |
| Time of the dosimeter operating mode setting, not more | 1 min |
| Battery life (AAAx2 of 1 280 mAh capacity) under + 20 °С temperature, natural background radiation and switched off display backlight, not more | 2 000 h |
| Operating supply voltage | 3 V |
| Operating temperature range | – 20 … + 50 °С |
| Dimensions, not more | 55 × 26 × 120 mm |
| Weight, not more | 0.2 kg |
