Product description:
For the backrest of office chair, the casters of office chair are fixed by repeated testing machine, and the weight is applied on the seat surface. The backrest of office chair is repeatedly moved by certain force, direction, stroke, speed and specified times to evaluate the quality of the product.
Product specifications:
* display strength (maximum capacity: 500Kg)
Backrest height :500~1200mm or specified
Weight :100 or 225lb
* pressure applied force :0~150lb
* application stroke :0~18 (in)
* application Angle :0~90°
* test speed :16 or 20 times per minute or specified
* counter :LCD 0~999,999
* more than 6kg/c㎡ for customer air supply
* power supply: 1 kg,AC220V,5A
