DH48J-11A digital counter DH48JA adopt advanced IC and digital tube, can replace H7CN or such function products. With advantage of beautiful appearance, wide delay time range, high accuracy, low power consumption, long life, big contact rating, used for automatic control. Model description DH48J: can be input by electromagnetic relay, limit switch, etc, with reset function; DH48JA: can be input by proximity sensor, photoelectric sensor, etc; DH48J-11A: can be input by electromagnetic relay, limit switch, proximity sensor, photoelectric sensor, etc, with reset function, no-power memory can remain 10 year.