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Detector: proportional counter
Energy range: 15 KeV – 3.5 MeV (β particles)
α-radiation flux density measurement range: from 1.0 to 5∙10⁵ min⁻¹·cm⁻²
β-radiation flux density measurement range: from 10.0 to 10⁶ min⁻¹·cm⁻²
α-radiation flux density accuracy:
within range from 1.0 to 5∙10⁵ min⁻¹·cm⁻²: ± (20 + A/φ) %, where A – coefficient equal to 10 min⁻¹·cm⁻²; φ – measured density of α radiation flux
β-radiation flux density accuracy:
within range from 10.0 to 10⁶ min⁻¹·cm⁻²: ± (20 + A/φ) %, where A – coefficient equal to 100 min⁻¹·cm⁻²; φ – measured density of α radiation flux
Instrument sensitivity:
α radiation (²³⁹Pu): not less than 3.0 impulses·cm²
β radiation (⁹⁰Sr + ⁹⁰Y): not less than 2.0 impulses·cm²
Sensitivity to α-radiation (for Pu-239): not less than 3.0 impulses·cm²
Sensitivity to β-radiation: not less than 2.0 impulses·cm²
Data transfer: RS-485 or USB interface
Dimensions: 71 × 45 × 130 mm
Weight: 0.45 kg
Ingress protection: IP64
Drop test on concrete floor: 0.7 m
Mean recovery time: 60 min
Mean service lifetime: 10 years
Atmospheric pressure: from 84 to 106.7 kPa
Operating temperature: from -20 to +50 °C
Humidity: up to 95 % at 35 °C
Supply voltage: 3.7 V (–0.1; +0.5) V
