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DeFelsko® Certified Thickness Standards Specifications

Select the Calibration or Check Standard that most closely matches the range of your gage.

Ideal for Approximate Thickness

Coating/
Substrate

Accuracy

Plate 1

Plate 2

Plate 3

Plate 4

C
A
L
I
B
R
A
T
I
O
N

S
T
A
N
D
A
R
D
S

CAL - S1

PosiTector 6000
F, FS, FRS, FN, FNS, FNRS, SPFS
PosiTest
FM & F

0

3 mils
75 um

10 mils
250 um

60 mils
1.5 mm

Epoxy
on Steel
(Ferrous)

± 0.01 mil 
± 0.25 um

CAL - S2

PosiTector 6000 F0S, F45S, F90S
PosiTest DFT Ferrous & Combo

0

3 mils
75 um

10 mils
250 um

20 mils
500 um

CAL - S3

PosiTest GM & G
PosiPen A, B & C

0

0.25 mils
6 um

0.75 mils
20 um

3 mils
75 um

CAL - A1

PosiTector 6000
N ,NS, NRS, FN, FNS, FNRS

0

3 mils
75 um

10 mils
250 um

60 mils
1.5 mm

Epoxy
on Aluminum
(Non-Ferrous)

± 0.01 mil 
± 0.30 um

CAL - A2

PosiTector 6000
NAS , N0S, N45S, N90S
PosiTest
DFT Combo

0

3 mils
75 um

10 mils
250 um

20 mils
500 um

CAL - A3

PosiTector 100 B

3 mils
75 um

5 mils
125 um

10 mils
250 um

20 mils
500 um

CAL - A4

PosiTector 200, 200 B

2 mils
50 um

5 mils
125 um

10 mils
250 um

20 mils
500 um

CAL - P1

PosiTector 6000
FT, FTS, NTS, FNTS

15mils
375 um

80 mils
2 mm

185 mils
4.5 mm

250 mils
6.5 mm

Polystyrene
Blocks

± {0.1 mil + 0.05% 
of thickness)

±(2.5 um + 0.05%
of thickness)

CAL - P2

PosiTector 6000
FHS, NHS, EOC

100mils
2.5 mm

250 mils
6.5 mm

500 mils
13 mm

750 mils
19 mm

CAL - P3

PosiTector 100 C

15mils
325 mm

60 mils
1.5 mm

100 mils
2.5 mm

185 mils
4.5 mm

CAL - P4

PosiTector 100 D

60mils
1.5 mm

100 mils
2.5 mm

185 mils
4.5 mm

250 mils
6.5 mm

CAL - P5

PosiTector 6000
FKS, NKS

60 mils
1.5 mm

100 mils
2.5 mm

250 mils
6.5 mm

480 mils
12 mm

CAL - P6

PosiTector 200 C

15 mils
375 um

60 mils
1.5 mm

100 mils
2.5 mm

125 mils
3 mm

C
H
E
C
K
CHK - PF1

PosiTector 6000
F, FS, FRS, FN, FNS, SPFS
,
PosiTector 6000
F0S, F45S, F90S
PosiTest
FM & F, DFT Ferrous & Combo

0
2 mils
50
um
20 mils
500
um
--
Epoxy
on Steel
(Ferrous)
  ± 0.01 mil 
± 0.25 um
CHK - PN1
PosiTector 6000
N ,NS, NRS, FN, FNS, FNRS
PosiTector 6000
NAS, NOS, N45S, N90S
PosiTest DFT Combo
0
2 mils
50 um
20 mils
500
um
--
Epoxy
on Aluminum
(Non-Ferrous)
  ± 0.01 mil 
± 0.30 um


All standards above are supplied with a certificate of calibration showing traceability to NIST/NPL