ZP1201 GEIGER MULLER TUBE, CENTRONIC Starting voltage max 325 V Plateau threshold voltage max 400 V Plateau length 200 V Recommended supply voltage 500 V Plateau slope max 0.04 %/V Background (shielded with 50 mm Pb with an inner liner of 3 mm Al), at recommended supply voltage max 10 count/min Dead time, at recommended supply voltage max 110 μs LIMITING VALUES (Absolute max. rating system) Anode resistor min 4.7 M ohm Anode voltage max 600 V Ambient temperature - continuous operating · max +70 C Grad Celsius min - 40 C Grad Celsius - storage max +75 C Grad Celsius LIFE EXPECTANCY Life expectancy at ::,; 25 °C 5 X 1010 count MEASURING CIRCUIT R1 = 10 MO R2 = 220 kn C1 = 1 pF* * Firma neplatitoare de TVA