Working principle and introduction:

The 891 timer is manufactured according to German standard dimensions, with a tight structure and elastic clip installation. The 891 timer is driven by a synchronous motor and comes in various voltage and frequency specifications to meet different usage requirements. 7-digit display, with a minimum timing unit of 0.01 hour (36 seconds). The 891 timer can continuously count for up to 11 years, and then start counting from zero after reaching full count. It does not have a reset device, so the time value recorded will not be lost.

Technical parameters of 891 timer:

Installation dimension diagram of 891 timer:

891 type timer