Weight Set ASTM 20g-1mg UC Accrd TR, Ohaus (CAT#: STEM-GLE-3769-LC)

ASTM Reference Calibration Weight Sets manufactured by Ohaus are adjusted to Troemner UltraClass to offer high accuracy with tight tolerances and uncertainties of less than 1/4 of the tolerance. Weight surfaces meet or exceed ASTM and have a highly polished finish. This class is appropriate for calibrating high-precision balances with readability as low as 0.01 mg.

Calibration Certificate: ISO/IEC 17025 Accredited Certificate
ASTM Class: UltraClass
Weight Set Range: 20 g - 1 mg
Set Capacity: 40 g
Set Total Pieces: 18
Protective Case: Supplied in a high quality polycarbonate case with a compartment for each weight as well as compartments for a brush, forceps and USB flash drive.
Construction: One-piece
Density at 20°C: Below 5 mg are 2.70 g/cm3; 500 mg to 5 mg are 7.95 g/cm3; 1 g and above are 8.03 g/cm3
Dimensions: 3.5 in x 7 in x 8 in (8.89 cm x 17.78 cm x 20.32 cm) (LxHxW)
Set Contents: (2) 2 g; (2) 20 mg; 500 mg; 10 g; 100 mg; 20 g; 10 mg; (2) 200 mg; 1 g; 5 g; 5 mg; (2) 2 mg; 50 mg; 1 mg
Weight Material: Weights 1 g and above are Troemner Alloy 8, weights 5 mg through 500 mg are 304 Stainless Steel, weights below 5 mg are 3003-H14 Aluminum
Wgt Origin (USA): USA

Available in high grade stainless steels including Troemner Alloy 8 which possesses closely controlled density, extremely low magnetic properties, good stability, and resistance to corrosion.
Available with certificate options traceable to NIST including ISO/IEC 17025 Accredited Certificate or Traceable Certificate to aid in meeting SOP and regulatory requirements.
Weights 50 kg through 1 g are cylindrical with handling knob. Weights 500 mg and below are flat with one end turned up for easy handling.