MA402 with external
Geiger-Muller detector

MA401 MA402e electronics

Detector G.M. type ZP 1200 (or similar) at high efficiency for gamma radiation with energy > 70 keV
Range 0.01mR 1R   0.1 Gy 10mGy                0.125 cps 10 K cps
H.V. Controlled by microprocessor             Display with mobile virgola
Time constant 10 sec                                     Display refreshing every 2 sec
Power 3,8-5 V CC by reloading batteries      External power for batteries relsad 12÷18 V
Autonomy 10 days dose-rate mode               AC Power for battery changer
Dimensions: cm6x12x3                               Weight: 150 g about

 MA40x serie (Ma401 and Ma402) is an instrument suitable for measurements of intensity and dose of x and Gamma Radiation. It is completely digital and shows dose or counts on a LED display. It is powered by recharge batteries and has an autonomy of 10 days working in intensity mode or 20 days working in dosimeter mode. MA402 as external detector (max 1m long)