: Over time, these displays can leak or turn black due to poor bonding. If yours is still clear, avoid storing it in extreme temperatures or direct sunlight.
: The device can estimate the specific activity of substances in Ci/kg or Bq/kg. Key Technical Specifications Range / Detail Gamma Dose Rate 0.1 – 99.99 Beta Flux Density 6 – 6000 particles/( Alert System 31 programmable sound alarm thresholds (0.1–16 $\mu$Sv/h) Detectors Built-in Geiger-Müller counters Important Maintenance Notes
: Never use solvent-based cleaners; use only a water-dampened cloth to avoid damaging the polymeric case.
You can download the full or the Russian Original Manual (PDF) for more detailed schematics and measurement formulas.
: For low-level measurements, it is recommended to repeat and average results to account for stochastic variation in radiation counts.