This paper describes a new type γ radiation monitoring system with wide range and multi function. It consists of high pressure ionization chamber, electrometer type amplifier, voltage current converter and STD bus. 本文介绍了一种多功能、宽量程的新型γ辐射监测系统,它由高压充气电离室、静电计型放大器、电压/电流变换器及STD监控系统组成。