Scope of BBS Metrology Laboratories

• Calibration range: NAWI Accuracy Class I – III
• Calibration Method: EURAMET Calibration Guide No. 18 (2015) “Guidelines on the Calibration of Non-Automatic Weighing Instruments”

Fine Mass Calibration

• Calibration range: 1mg-5kg (F₁, F₂, M₁,M₂, M₃) Weight or Set of Weights
• Calibration Method: OIML R111-1 2004 (E) (Double Comparison) “Part 1: Metrological and technical requirements”

Volume Calibration

• Calibration Range: 10 ml – 18,927 ml (US 5 gallons)
• Calibration Method(s) used: EURAMET CG19 (2018)  “Guidelines on the Determination of Uncertainty in Gravimetric Volume Calibration”  

NIST SOP 14 (2016) “Recommended Standard Operating Procedure for Gravimetric Calibration of Volumetric Standards Using an Electronic Balance”