Mass and Hanger Set

Product Code: ME-8979


PASCO’s Mass and Hanger Set includes varying units of mass that attach to the 5.0 g mass hangers’ steel posts. This set includes 4 hangers and 27 masses ranging from 0.5 g to 100 g. The masses are marked on each unit, and each hanger can hold up to 250 g.


  • Smaller masses have a unique design for better visibility
  • Hanger includes a steel post for lasting support
  • The hanger’s handle can be held by a thread
  • Steel post keeps masses secure throughout experimentation

What’s Included

  • 4 x Mass hanger (5.0 g)
  • 3 x 100 g mass (brass)
  • 3 x 50 g mass (brass)
  • 6 x 20 g mass (brass)
  • 3 x 10 g mass (aluminum)
  • 3 x 5.0 g mass (aluminum)
  • 3 x 2.0 g mass (plastic)
  • 3 x 1.0 g mass (plastic)
  • 3 x 0.5 g mass (plastic)
  • 1 x Storage Case

Experiment Library

Perform the following experiments and more with the Mass and Hanger Set.
Visit PASCO’s Experiment Library to view all activities for this product.

Buying Guide

Recommended Accessories P/N
Mass and Hanger Spares Kit ME-8980


Replacement Parts P/N
5 g Replacement Mass Set ME-8981
10 g Replacement Mass Set ME-8982
20 g Replacement Mass Set ME-8983
50 g Replacement Mass Set ME-8984
100 g Replacement Mass Set ME-8985

Product Specifications

Hanger Mass 5 g ±2%
Larger Masses 100 g, 50 g, 20 g, 10 g, and 5 g all ±1%
Smaller Masses 2 g, 1 g, and 0.5 g all ±2%

Support Documents

Mass and Hanger Set Manual


Small parts. Not for children under 3 years.