Test Mark 325K Compression Machine, 2270 Digital, 1/2 hp

The Test Mark CM-3250 Series is an American-made, heavy-duty concrete compression testing platform designed for routine strength testing up to 325,000 lb. Its rigid welded-steel load frame, multiple digital-control options, and available 1/2 hp or 3/4 hp hydraulic systems make it a versatile choice for concrete laboratories ranging from field and commercial labs to high-volume production facilities.

Key Features

• Meets ASTM C39, ASTM E4, and AASHTO T 22 requirements.
• Maximum compression capacity: 325,000 lb / 1,445.67 kN
• Testing range from 3,250 to 325,000 lb
• Accuracy of ±0.5% of indicated load
• Heavy welded-steel load frame
• 4" thick upper and lower crossheads
• 7" diameter ram
• Frame opening: 19.9375" vertical x 9.5" horizontal
• Piston stroke: 3"
• Multiple digital indicator options
• 1/2 hp and 3/4 hp pump configurations available
• 2-gallon hydraulic reservoir
• Optional platens and spacers expand specimen capability
• Made in the USA
• 2-year parts and labor warranty Test Mark Industries

Typical Applications

Concrete cylinder compressive strength, QC/QA testing, ready-mix laboratories, precast operations, DOT laboratories, commercial testing laboratories, and university civil-engineering laboratories.

Lab Manager's Tip

The load frame is the same core platform across the series, so the main purchasing decision is the digital indicator and pump configuration. For a lab expecting higher volume or wanting more automated result handling, it is worth comparing the i720, iD, and TS17 options rather than choosing strictly on initial machine price.