POLIMASTER РМ1401K-3M Multipurpose Hand-Held Radiation Monitor/Identifier (0.1 μSv/h~100 mSv/h)

Detector: CsI(Tl), GM

DER indication range: from 0.01 μSv/h to 200 mSv/h

DER measurement accuracy: ±(15 + 0.0015 / Ḣ) %; where Ḣ - measured dose equivalent rate value in mSv/h (in the range from 0.1 μSv/h to 100 mSv/h)

Energy range: 0.015 – 15 MeV (for gamma radiation)

Energy range:

       within the range of energies from 0.015 to 0.045 MeV: ± 40 %;

       within the range of energies from 0.045 to 15.0 MeV: ± 30 %

       of β- radiation flux: 0.15 – 3.5 MeV

Sensitivity, gamma radiation:

       for 241Am in a Search mode: ≥ 200.0 s-1/(μSv/h)

       for 137Cs in a Search mode: ≥ 200.0 s-1/(μSv/h)

       for 137Cs in activity measurement mode: ≥ 0,003 pulses·kg/s(cps·l/s)·Bq

Indication range:

       gamma (in a search mode): 1 – 9999 cps

       Count rate indication range in the search mode: 1.00 – 2.7·105 s-1 - α-, β-, γ- radiation

       Sensitivity to α-radiation (for Pu-239): ≥ 0.5 pulses·cm2

       α-radiation flux density measurement range: 15.0 to 105 min-1·cm-2

α- radiation flux density accuracy:

       in 200 μR/h gamma radiation field: ± 30 %

       in 3.0·103 s-1 β-radiation field from the 90Sr+90Y source placed at 50 mm from the mica window of the detector: ± 15 %

α- radiation flux density accuracy:

       on 239Pu in the range from 15.0 to 105 min-1·cm-2 ±(20 + 450/φ) %, where φ - measured α-radiation flux density, -1·cm-2

       β- radiation flux density measurement range: 6.0 to 105 min-1·cm-2

β- radiation flux density accuracy:

       on 90Sr+90Y ± (20 + 60/φ) %, where φ - measured β-radiation flux density, min-1·cm-2

Sensitivity for β-radiation:

       for 90Sr+90Y: ≥ 3.5 pulses·cm2

Activity measurement sample density range: 0.2 – 1.6 g/cm3

Number of γ-radiation scintillation spectra saved in the instrument’s memory: up to 1000

PC communication: USB interface

Power supply: 3.0 (+ 0.2; -0.4) V; two AA batteries or USB

Battery lifetime: (in normal radiation background and provided LCD backlight, sound and light alarms are used no more than 5 minutes/day), at least 300 h.

Ingress protection: IP65

Drop test on concrete floor: 0.7 m.

Operating temperature: -30 to up to +50 °С

Humidity: up to 95 % at 35 °С

Atmospheric pressure: from 84 to 106.7 kPa

Dimensions: 262х60х65 mm

Weight: ≤ 0.82 kg

Mean service lifetime: ≥ 10 years