Bel-Art Products, 61801-0700, DURAC Specific Gravity Precision Hydrometer, 1.000/1.070
Hydrometer include individual serial numbers and multi-language (English, French, German, Italian, Portuguese and Spanish) Statement of Accuracy indicating accuracy traceable to NIST and DAkkS. Tested and calibrated in our exclusive triple accredited/registered ISO/IEC 17025:2005, A2LA accredited laboratory against equipment whose calibration is traceable to NIST and DAkkS. Temperature of Standardization 60°F/60°F. After manufacture each hydrometer is hand inspected by our U.S. quality team.