Polarizing Stress Tester NPST-100 - Polarised Tester Labnics Polarising Stress Tester delivers ≤2 nm accuracy with 0.1° rotation indication. An LCD screen provides clear data visualisation, while polarised light interference assesses internal stress. Compact and portable, it ensures precise results with minimal manual input. https://www.labnics.com/polarizing-stress-tester/npst-100 #LaboratoryEquipment #Polarising Stress Tester #Labnics