How to tell mini electric hoist performance

Mini electric  wire rope hoist  products workshop interior often use lifting tools, but also the home of choice for heavy lifting, mini electric hoist, small size, light weight facilitate installation, operation and lifting stability. Users at the time of purchase, according to the following distinguished miniature electric hoist quality and performance.
1, click the up and down keys to observe the running interval, the interval is smaller miniature gourd better.
2, mini electric hoist body shell or high strength die-cast aluminum body stretching.lever hoist Extrusion molding thin-walled precision manufacturing. Have an independent transmission system, sealed inside two coaxial transmission gear mechanism, the use of long-life oil bath lubrication system.
3, miniature gourd with DC electromagnetic disc brake, brake torque, smooth, fast, low noise.
4, mini electric  lift hoist  control after power up and down and move around, observe the arrow keys are accurate, running up and down at the same time pay attention to rest, is there a brake sound, while looking after repose, when there is decline in the chain, if so, that friction plate over loose, or not installed properly.