产品介绍：

BIOSYSTEMS PhD Lite Confined Space Gas Detector PhD Lite是一种极为耐用的袖珍型气体检测仪，可以同时探测四种大气危险：氧气，可燃气和多种有毒气体。如果你只遇到一种毒气，Biosys-tems独有的“智能探头”可以精确可靠地读出CO，H2S，SO2以及其它多种常见气体的浓度：如果大气中同时存在CO和H2S，可以选用Biosys-tems最新的Duo-Tox双通道探头，它可同时检测这两种气体。Duo-Tox实际上是安在一个探头插座上的两个毒气探头。Duo-Tox使三个探头提供四种气体的检测，并且在同时检测两种气体时不产生相互干扰。 The PhD Lite is a compact, super-rugged gas detector designed to monitor up to four atmospheric hazards simultaneously: oxygen, combustible gas, and a wide variety of specific toxic gases. Biosystems’ substance-specific smart sensors provide accurate, dependable, direct readings for the detection of CO, H2S, SO2 and many other commonly encountered gases when you have only one toxic hazard to deal with; or you can choose Biosystems’ innovative Duo-Tox dual-channel sensor to measure both carbon monoxide and hydrogen sulphide when both hazards are simultaneously present. The Duo-Tox sensor is actually two toxic gas sensors installed in a single sensor housing. Use of the Duo-Tox sensor allows three sensors to be used to provide four channels of detection, and allows you to simultaneously measure both hazards without cross interference.as peak readings, and access to advanced setup choices.