multiple frequency selection construction elevator intercom

..., which provides a communication line between the building floors and building hoist operator,and it could also be used as general communication method in other industries. Because the radio frequency does not need to apply from local authority, the

Lift Master Phone Elevator Intercom System With 4 Wiring Indoor stataion: Working voltage: DC12V Noice voltage: ≤10mV Bell sound level: ≤65dB Working current: ≥150mA Standby current: ≥0mA Wired distance: ≤2400m(0.75mm ) Outdoor station: Working temp.: -30...

...Construction Elevators Smoothly Starting And Stopping Description: Construction material elevator is a vertical handling machine dedicated for materials widely applied in building construction, industrial and mining, multi-storey workshop, warehouse, station, wharf, etc. It is convenient, efficient, and secure. Construction Hoist Elevator is set up with safety multiple protection measures like Floor-selecting...

... design and accurate processing. Variable Frequency Drive make the hoists start smoothly with low current and less wear and tear. Intelligent control System with fault detect, display and alarm, and automatic cage landing/stop and floor selection will be

... Fully automatic running, reduce labor cost; 4, No need for any license or construction; 5, Multiple fuel option: diesel, gas or biomass fuels; 6, zero risk storage, more flexiblity and invsetment return; 7, Easy operation and low frequency maintanence.

..., station, wharf, etc. It is convenient, efficient, and secure. SS100/100 is set up with safety multiple protection measures like Floor-selecting and Leveling Device, Elevating Limiter, Rope Protection Device, Parking Safety Device, Bumper, Upper and