功能

• The viewlet capacity tolerances are in accordance with ASTM E-287 and calibrated in accordance with ASTM E-542.
• The tip is carefully shaped from the correct inner diameter of the tube to ensure proper discharge.
• This viewlet has colored markings, clear thin lines and large, legible numbers.
• The cylindrical part of the stopcock is smoothed by micro-finishing to guarantee leakage resistance.
• Each viewlet comes with a dustproof cover.
• All sizes have a stopcock plug with an inner opening of 2 mm.