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DeFelsko Certified P5 Polystyrene Blocks are for use with gauges that measure over 1500 µm (60 mils). Ideal for the PosiTector 6000 FKS and NKS.
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.
DeFelsko Certified P5 Polystyrene Blocks feature a range of 1.5 mm (60 mils) to 12 mm (480 mils).
Certified Polystyrene Blocks have an accuracy of +(2.5 µm + 0.05% of thickness) +(0.1 mil + 0.05% of thickness).
All DeFelsko certified standards are supplied with a Certificate of Calibration traceable to NIST or PTB.
Please see the chart below to select the Standard that most closely matches the measuring range of your gauge.
| Order Code | Ideal for | Block 1* | Block 2* | Block 3* | Block 4* |
| P1 | PosiTector 6000 FT, FTS, NTS, FNTS, FTRS PosiTector 200 D | 375 μm 15 mils | 2 mm 80 mils | 4.5 mm 185 mils | 6.5 mm 250 mils |
| P2 | PosiTector 6000 FJS | 2.5 mm 100 mils | 6.5 mm 250 mils | 13 mm 500 mils | 19 mm 750 mils |
| P3 | 375 μm 15 mils | 1.5 mm 60 mils | 2.5 mm 100 mils | 4.5 mm 185 mils | |
| P4 | 1.5 mm 60 mils | 2.5 mm 100 mils | 4.5 mm 185 mils | 6.5 mm 250 mils | |
| P5 | PosiTector 6000 FKS, NKS | 1.5 mm 60 mils | 2.5 mm 100 mils | 6.5 mm 250 mils | 12 mm 480 mils |
| P6 | PosiTector 200 C | 375 μm 15 mils | 1.5 mm 60 mils | 2.5 mm 100 mils | 3 mm 125 mils |
| P7 | PosiTector 6000 FHXS | 1.5 mm 60 mils | 4.5 mm 185 mils | 6.5 mm 250 mils | 9.5 mm 375 mils |
| P8 | PosiTector 6000 FNGS, FLS | 13 mm 500 mils | 13 mm 500 mils | 13 mm 500 mils | 19 mm 750 mils |
*given measurements are an approximate thickness
