Rock Solid 200 By 150 By 50 mm Precision Granite Comparator Base For Digital Indicators And Calibration, Ultra Flat Metrology Grade Granite Surface With Superior Stability, Long Lasting, High Accuracy
✔️ Precision-ground DIN876-00, 0.003mm flatness, 3300 kg/m³
This precision granite comparator base provides a stable reference surface for digital indicators and calibration setups. Built from natural black granite, it’s non-magnetic and ideal for metrology labs, QA benches, and instrument stations where flatness and long-term stability matter.
✅ Material: black Impala granite; natural, non-magnetic
✅ Size: 200 x 150 x 50 mm; compact yet stable
✅ Flatness: top surface within 0.003 mm per DIN876-00
✅ Density & strength: 3300 kg/m³; compressive 256-258 MPa; flexural 25.2 MPa
✅ Hardness & absorption: Shore 78; water absorption 0.02%
✅ Finish: deburred edges, rounded corners, chamfered surfaces
💡 What is a high-precision granite comparator base typically used for in metrology and calibration?
Handy base serves as a rock-solid reference surface for precision indicators and calibration fixtures.
- Long-term stability reduces drift in dial indicators and digital readouts
- Non-magnetic and radiation-free surface prevents interference during tests
- DIN876-00 flatness ensures repeatable, accurate readings
- Perfect for calibration labs, QA benches, and manufacturing workstations