DM多功能双数显计时,计数器,累时器,转速表特点1、红色LED显示， 2、停电记忆功能。3、一表多用，可通过四个按键()任意设定计数、计米、频率、转速、线速度等(32种产品)。 4、多种继电器输出方式。 编号产品型号工作范围备注01DM48S-6/DM72S-60.01S-99.99S正计时02DM48S-1/DM72S-10.01S-99.99S倒计时03DM48S-10/DM72S-101M-9999M正计时04DM48S-5/DM72S-51M-9999M倒计时05DM48S-7/DM72S-71S-9999S正计时06DM48S-2/DM72S-21S-9999S倒计时07DM48S-8/DM72S-81S-99M59S正计时08DM48S-3/7DM72S-31S-99M59S倒计时09DM48S-9/DM72S-91M-99H59M正计时10DM48S-4/DM72S-41M-99H59M倒计时11DM48SS-8/DM72SS-81M-99H59M正计时12DM48SS-4/7DM72SS-41M-99H59M倒计时13DM48SS-6/DM72SS-61S-99M59S正计时14DM48SS-2/DM72SS-21S-99M59S倒计时15DM48SS-5/DM72SS-51S-9999S正计时16DM48SS-1/DM72SS-11S-9999S倒计时17DM48SS-7/DM72SS-71M-9999M正计时18DM48SS-3/DM72SS-31M-9999M倒计时19DM48L-4/DM72SS-40-99H59M59.99S立即复位20DM48L-1/DM72L-10-99H59M59.99S八秒复位21DM48L-5/DM72L-50-9999H59M59S立即复位22DM48L-2/DM72L-20-9999H59M59S八秒复位23DM48L-6/DM72L-60-9999D23H59M立即复位24DM48L-3/DM72L-30-9999D23H59M八秒复位25DM48F-1/DM72F-11Hz-9999Hz26DM48F-2/DM72F-20.1Hz-999.9Hz27DM48N/DM72N60——9999RPM每转取1个脉冲28DM48FR/DM72FR0——9999(给定单位)频率、转速通用型29DM48J/DM72J正计数：0—9999倒计数：9999—0(COM与PAU短接)30DM48JR/DM72JR31DM48J8/DM72J8正计数：0—99999999倒计数：99999999—0(COM与PAU短接)32DM48J8R/DM72J8R