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DeFelsko STDP3 | P3 Certified Polystyrene Blocks | 375 µm to 4.5 mm
Part Number : STDP3
The DeFelsko STDP3 P3 set contains four certified polystyrene blocks from 375 µm to 4.5 mm (185 mils). Like the other P-series sets, it is intended for gauges that measure beyond 1500 µm (60 mils), with each block's ultrasonic velocity stated on its label for ultrasonic instruments.
Key features
- Block values (approx.): 375 µm (15 mils), 1.5 mm (60 mils), 2.5 mm (100 mils) and 4.5 mm (185 mils)
- Accuracy: ±(2.5 µm + 0.05% of thickness) / ±(0.1 mil + 0.05% of thickness)
- Block size: 38 x 70 mm (1.5 x 2.75 in)
- Ultrasonic velocity shown on the labels
- Four blocks in a rugged acrylic storage box
- Certificate of Calibration traceable to NIST or PTB
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