Class E1 is the finest OIML class, intended as a reference in calibration laboratories and for calibrating E2 weights. E1 weights are made of polished stainless steel and are normally used with an accredited certificate.
10 of 10 products
Single weights in class E1, knob shape, stainless steel, polished, from 1 g to 50 kg.
Single weights in class E1, wire weight, stainless steel, polished, from 1 mg to 500 mg.
Single weights in class E1, sheet weight, stainless steel, polished, from 1 mg to 500 mg.
Single weights in class E1, calibration weight, from 5 g to 50 g.
Weight set in class E1, 1 g – 10 kg, in 23 versions, with case.
Single weights in class E1, sheet weight, from 1 mg to 500 mg.
Weight set in class E1, 1 mg – 500 mg, in 1 version, with case.
Weight set in class E1, 1 mg – 500 mg, in 2 versions, with case.
Weight set in class E1, 1 mg – 10 kg, in 23 versions, with case.
Weight set in class E1, 1 mg – 200 g, in 3 versions, with case.
Our range of E1 weights runs from 1 mg to 50 kg, made in RVS. For each product the table shows the nominal values, the tolerance according to OIML R111, the delivery time and the price excl. VAT.
Maximum permissible error (±) per nominal value, next to the adjacent classes.
| Nominal value | E1 | E2 |
|---|---|---|
| 1 mg | 0,003 mg | 0,006 mg |
| 10 mg | 0,003 mg | 0,008 mg |
| 100 mg | 0,005 mg | 0,016 mg |
| 1 g | 0,01 mg | 0,03 mg |
| 10 g | 0,02 mg | 0,06 mg |
| 100 g | 0,05 mg | 0,16 mg |
| 1 kg | 0,5 mg | 1,6 mg |
| 5 kg | 2,5 mg | 8 mg |
| 10 kg | 5 mg | 16 mg |
| 20 kg | 10 mg | 30 mg |
| 50 kg | 25 mg | 80 mg |
Source: OIML R111-1. All nominal values and classes are listed in the full tolerance table.
Weights in classes F1 to M3 are available with a traceable calibration certificate from our own laboratory. We also carry out periodic recalibration in-house.