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DeFelsko’s Certified Polystyrene Blocks are for use with gauges that measure over 1500 µm (60 mils). Ideal for the PosiTector 100 D.
For when verification of gauge accuracy at a test site is required each time a coating thickness gauge is put into service, DeFelsko’s certified coating thickness standards have measured values traceable to a National Metrology Institution.
These standards are used to verify the accuracy and operation of mechanical, electronic, eddy-current, or ultrasonic coating thickness gauges, and are certified and labelled in both Metric and Imperial units.
The P4 Standard features a range of 1.5 mm (60 mils) to 6.5 mm (250 mils).
Certified Polystyrene Blocks have an accuracy of +(2.5 µm + 0.05% of thickness) +(0.1 mil + 0.05% of thickness).