500 mg - 50 g Calibration Weight, OIML Class E1 Sets

As of: Wednesday, August 12, 2026

Set includes: weights, case (additional small case or vial if required) and handling equipment

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

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
30850	Class E1 SST, Calibration Certificate Included	List Price: $2,508.00
30854	OIML Class E1 SST, Calibration Certificate Included	List Price: $1,276.00

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