Precision weight 1 g - 20 kg

Zwiebel's E0, E1, and E2 Series of OIML weights are part of the company's weights and masses scientific product range. All the weights series, with the exception of the E0 series, comply with international OIML R111 standards. The E1 series has been manufactured to guarantee traceability between national mass standards and weights of lower accuracy classes. The E2 series has been engineered for utilization in weight calibration of lower accuracy classes. They are required to be accompanied by calibration certificates.