本文叙述的BSS-2型计时式十段爆速仪,是一种数字式便携测试仪器,用以测定炮孔或地表炸药的多段爆速。仪器采用了脉冲计时法和高速TTL集成电路,因而具有精度高、测量范围宽、可靠性大以及性能稳定等优点。本文还示出了一部分用该仪器对一些炸药和导爆索测试的数据。 This article describes the BSS-2-type timing ten detonation meter, is a portable digital test equipment used to determine the blast hole or surface explosives multi-stage detonation. The instrument uses a pulse timing method and high-speed TTL integrated circuits, which has high accuracy, wide measurement range, reliability and performance advantages. This article also shows some of the data used to test some explosives and detonators using this instrument.