Mazur instruments PRM-9000 Geiger Counter and Nuclear Radiation Monitor (Alpha, beta, gamma and x-radiation)

Battery Life1  

Standard 9V Lithium: 42.850 Hours / 4.89 Years

Standard 9V Alkaline: 20.150 Hours / 2.30 Years (included)

Measurement Front End  

Detector: LND 713 Geiger-Muller tube, Halogen-quenched Thin Wall Beta-Gamma Detector (Made in The USA)

Radiation Detected: alpha, beta, gamma and x-radiation

Energy Sensitivity: Alpha: alpha: Minimum 2.0 MeV, beta: minimum 0.16 MeV with 25% efficiency at 1 MeV

                                                   Gamma/X rays: min 10 keV (window), gamma sensitivity: 3.500 CPM/mR/hr

Accuracy: ±10% Typical, ±15% Maximum

Internal Data Logging  

Storage: 100.000 Bytes non-volatile memory

Maximum Capacity: 91.466 Minutes or Hours (90% Normal Background, 10% Full-Scale)

Minimum Capacity: 32.656 Minutes or Hours (100% Full-Scale Measurement Levels)

Environmental / Physical  

Temperature Range: -20° to 51° C (-4° to 125° F)

Size: 143 x 83 x 35 mm (5.63″ x 3.25″ x 1.37″)

Weight: 368 grams (13 oz.) including battery

Compliance: CE, Lead-Free

Warranty: One Year (120 Days on GM Tube)