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SF
SF140
The automatic cement specific surface area tester (FBT-X) uses the Blaine air permeability method, measuring the resistance of a fixed air volume passing through a compacted powder bed to automatically calculate specific surface area. The instrument features a built-in high-precision pressure sensor and intelligent algorithm. The entire test process (air evacuation, timing, calculation, display, printing) is fully automatic — the operator only needs to load the sample — eliminating human timing and calculation errors.
Fully automatic Blaine air permeability method, automatic except manual sample loading
Color touchscreen for real‑time test data and instrument status
Adjustable porosity, density and other parameters for wide measurement range
Continuously adjustable vacuum pump speed for precise air flow control
One‑key temperature calibration for fast and accurate measurement
One‑key photoelectric sensor calibration, no light‑blocking ball needed
Intelligent photoelectric detection adapts to different ambient light
Large storage capacity for many test and standard samples
USB data export for PC‑based report generation and permanent storage
Optional built‑in printer for real‑time or historical data printing
Real‑time self‑diagnosis and fault indication for easy operation
Compliant with ASTM C204, BS EN 196‑6 and other international standards
OEM customization supported (logo, packaging, user manual, calibration certificate, etc.)