This machine is designed for testing the compressive load-bearing capacity of various specifications and materials of manhole covers, including cast iron, composite material, and steel fiber reinforced concrete manhole covers. The operation is simple, the test accuracy is high, and the reliability is good. It can meet the industry and national standards such as CJ/T3012-1993 "Cast Iron Manhole Covers", CJ/T121-2000 "Recycled Resin Composite Material Manhole Covers", and JC889-2001 "Steel Fiber Reinforced Concrete Manhole Covers", as well as GB/T 23857-2009 "Manhole Covers". It is an essential testing equipment for laboratories of highway, municipal, manhole cover manufacturers, and related industry units.

Maximum Test Force: 1000 kN
Effective Test Space: 1500 mm × 1500 mm
Work Table Height: 300 mm
Force Value Accuracy: ≤±1% (better than Grade 1)
Loading Speed Range: 0.1 to 25 kN/s
Piston Stroke: 350 mm
Overload Protection Point: Automatic unloading at 3% over full scale
Load Indication Accuracy: 0.1 kN
Loading Method: Electric Hydraulic
Control Method: Microcomputer control with manual variable speed, featuring on-site programming capability
Loading Medium: 68# 46# Anti-wear Hydraulic Oil
Motor Power: 0.75 kW
Power Supply: 380 V
Main Unit Weight: 2800 kg