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Written by Palak Mall, Senior Content Writer · reviewed by Arvind Kumar, Lab Equipment Specialist, 12+ years in laboratory supply · updated 17 October 2026

Weights & Balances lists seven items for weighing and force measurement in school and college labs: two kinds of spring balance calibrated in newtons and grams, a stainless steel weight set and a hooked weight set, a direct-reading lever balance, and two beam balances. Capacities and readings below are the ones given in each listing.

Beam and lever balances

Balance	Capacity	Reads to	What else the listing specifies
Triple Beam Balance	610 g on the beams; 2610 g with supplementary masses, not included	0.1 g	Single pan, low form; three notched beams of 0 to 500 g x 100 g, 0 to 100 g x 10 g and 0 to 10 g x 0.1 g with centre-indicating sliders; 152 mm platform; aluminium alloy and stainless steel
Four-Beam Balance, 311 g	311 g	0.01 g	Single pan; four beams with non-removable sliders, 0 to 200 g x 100 g, 0 to 100 g x 10 g, 0 to 10 g x 1 g and a fine beam; no extra masses needed; magnetic damping; 90 mm stainless steel pan with two pouring spouts and a handle; platform in the base for density work; zero adjustment
Balance, Lever	250 g or 1000 g ranges	1 g or 5 g	Direct-reading single pan with a quadrant scale, the range set with the weight arm; cast aluminium frame, chrome-plated steel parts; levelling screw for zero

The four-beam balance is the one for 0.01 g work, and its listing states that no additional masses are needed across its 311 g capacity. The triple beam balance trades resolution for capacity, reading to 0.1 g up to 610 g, or 2610 g with its supplementary masses. The lever balance is read straight off its arc, which suits quick class weighing. Beam and lever balances compare masses, so their readings do not depend on the local strength of gravity.

Spring balances

Item	What the listing specifies
Spring Balance Tubular	Colour-coded tubular force meters from 250 g to 5 kg; clear plastic tube that shows the spring; zero adjustment; calibrated in newtons and grams; bevelled top for use on an inclined plane; chrome-plated hooks and rings
Spring Balance (Metric and Newton)	Spring scale in a polystyrene housing 150 mm long, built for heavy student use and sudden load release; zero adjustment; high-contrast dual scale in grams and newtons

Spring balances measure force, which is why both are marked in newtons as well as grams. A mass of 1 kg weighs about 9.8 N at the Earth’s surface, so 100 g reads close to 1 N. The bevelled top of the tubular balance lets it lie flat on a ramp to measure the force along an inclined plane.

Weight sets

Set	Contents, as listed
Slotted Weights	Twelve machined solid stainless steel weights on a plastic and metal rack with a handle: 1 x 1 g, 2 x 2 g, 1 x 5 g, 1 x 10 g, 2 x 20 g, 1 x 50 g, 1 x 100 g, 2 x 200 g and 1 x 500 g, 1110 g in total
Hooked Weights	Nine stainless steel hooked weights from 10 to 1000 g in a wooden block; flat bottoms to stand on a surface, recessed so that the weights hook together

The 1-2-2-5 sequence of the stainless steel set makes every whole-gram mass from 1 g to 1110 g. The hooked set is for hanging loads on springs, pulleys and balances, and its weights can be chained.

Related ranges

This range is part of Mechanics & Fluid Mechanics. Further slotted, hooked and hexagonal weight sets, spring scales and a platform scale are under Measurement, springs and density sets under Properties of Solids, and inclined planes and force tables under Force & Friction.

Questions buyers ask

Which balance reads to 0.01 g?
The Four-Beam Balance, 311 g, with a 311 g capacity, four beams and magnetic damping.

What is the capacity of the triple beam balance?
610 g on its beams and 2610 g with supplementary masses, which are not included. It reads to 0.1 g on a 152 mm platform.

Are the spring balances marked in newtons?
Yes. Both are dual-scale, in newtons and grams, with zero adjustment. The tubular balances run from 250 g to 5 kg.

What is in the stainless steel weight set?
Twelve weights from 1 g to 500 g, 1110 g in total, on a rack with a handle.