记数显示仪，，对输入的脉冲或开关量信号进行累计记数的显示。显示仪共提供5种型号规格供用户选择。 MINI-KAL1.........................................6digitaddingcounter MINI-KAL1AS...........................6digitadd/subtractcounterKALPM1.............................MINI-KALpanelmountadaptorMINI-KAL2AS...........................8digitadd/subtratccounterMINI-KAL2ASNR............................Non-resetMINIKAL2AS(non-reset)