ASTM C78 Concrete Cylinder Tensile Strength Universal Testing Machine HZ-009

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ASTM C39 hydraulic concrete testing machine, designed for compressive strength test of concrete cubes and cylinders with high accuracy and stability for construction labs.

Equipment summary
Main functions
Corresponding standard
Technical parameters

Hydraulic System
The hydraulic oil tank driven by high-pressure pump into the motor oil, flows through the unidirectional valve,high pressure filter, pressure valve, servo valve, into the cylinder. Computer control signals to the servo valve,Control direction and opening of the servo valve, to control the flow into the cylinder, achieve constant test force control.

Control system
System including digital servo valve, high-precision sensors, controllers and software, high control precision and reliability. Meet GB, ISO, ASTM and other standards for cement, mortar, concrete and other materials testing requirements.

System has the following functions:
Closed-loop control with force;
Can achieved constant loading rate or constant stress loading rate;
Adopt computer for electronic measurement, automatic test;
Computer automatically calculates the results and print reports.
Test reports can be to self-design and exported to Excel
Safety Protection Device
When the test force more than 3% of the maximum test force, the overload protection, oil pump motor shut down.

Main Performance Technical Specifications:

Max load	2000kN	3000kN
Test force measuring range	4%-100%FS
Test Force showed the relative error	≤ indicating value±1%	<±1%
Test Force Resolution	0.03kN	0.03kN
Hydraulic pump rated pressure	40MPa
Upper and lower bearing plate size	370×370mm	500×500mm
Maximum distance	330mm	500mm
Piston diameter	φ250mm	φ310mm
Piston stroke	50mm	100mm
Motor Power	0.77 kW	1.1kW
Outside dimension (lwh)	640×720×1500 mm	780×720×1950 mm
Weight	2000kg	2500kg