(1)891 timer is manufactured according to the German standard size with compact structure and elastic clip mounting.

(2)Driven by step motor,

(3)has various voltage and frequency specifications to fit different usage requirements with 7-digit display. 

(4) min. counting unit is 0.01 hour (36 seconds). 

(5)continuous counting can last for 11 years.

(6)counts time from zero again after full timing is completed, and it has no reset mechanism, so the counted time can not be lost. 

(7) Min. counting unit 0.01 hour(36 seconds)

(8)Power consumption 0.5W

(9)Operation temperature -10+50

(10)Storage temperature -15+70

(11)Frame size 52*52mm or diameter 58mm

(12)Mouth size 45*22mm

891 timer