500 mg - 50 g Calibration Weight Set, OIML Class F1

As of: Tuesday, July 28, 2026

Weights manufactured to International Recommendation, OIML R111 specifications

OIML E1, E2, F1 and F2 polish finish
OIML M1 and M2 satin finish
Density for E1/E2 is 7.95 g/cm3 (unless otherwise noted, 1 mg, 2 mg and 5 mg are aluminum, and density is 2.7 g/cm3)
Density for F1/F2/M1/M2 is 7.84 g/cm3 (unless otherwise noted, 1 mg, 2 mg and 5 mg density is 2.7 g/cm3, 10 mg to 500 mg density is 7.95 g/cm3)
E1 and E2 are supplied with Accredited Certificate per OIML R111
E1, E2, F1, F2 and M1 weights include protective case

OPTIONAL

WARNING: Cancer and Reproductive Harm California Proposition 65

500 mg through 50 g OIML Weight Set Contents

500 mg - 1 mg	500 mg - 100 mg	50 g - 1 mg	50 g - 1 g
1 - 500 mg	1 - 500 mg	1 - 50 g	1 - 50 g
2 - 200 mg	2 - 200 mg	2 - 20 g	2 - 20 g
1 - 100 mg	1 - 100 mg	1 - 10 g	1 - 10 g
1 - 50 mg		1 - 5 g	1 - 5 g
2 - 20 mg		2 - 2 g	2 - 2 g
1 - 10 mg		1 - 1 g	1 - 1 g
1 - 5 mg		1 - 500 mg
2 - 2 mg		2 - 200 mg
1 - 1 mg		1 - 100 mg
		1 - 50 mg
		2 - 20 mg
		1 - 10 mg
		1 - 5 mg
		2 - 2 mg
		1 - 1 mg
Piece Count
12	4	20	8
Total Weight
1.11 g	1 g	111.11 g	108 g
Part #	Part #	Part #	Part #
30850-Class E1	30854-Class E1	-Class E1	-Class E1
30851-Class E2	30855-Class E2	96477-Class E2	96478-Class E2
30852-Class F1	30856-Class F1	96479-Class F1	96480-Class F1
30853-Class F2	30857-Class F2	96481-Class F2	96482-Class F2
161537-Class M1	-	-	-
Piece Count
7	9	13	16
Total Weight
710 g	1 lb	8 lb	7.72 lb
Part #	Part #	Part #	Part #
12545	12630	12652	12659

Part #	Description	List Price
34699	OIML SST Weight Set (5221)	List Price: $149.00
34697	SST Weight Set (5221)	List Price: $264.00