Table of Contents
What are top pan balances?
A top pan or top loading balance is an instrument used to weigh solid materials when perfectly accurate measurements aren’t necessary. Most top pans have 0.1-gram to 0.001-gram precision and weighing capacities of 500 grams and above.
What is electronic top pan balance?
Typically top-loading laboratory balances used to weigh quantities to a precise number; less precise, but with a higher capacity, than analytical balances, and may include draft/dust doors, auto-leveling, and rapid stabilization features. Readability. 0.01 g (201)
How do you use 2 pan balance?
A double-pan balance can also be used to determine how much of a substance makes up a specified weight. For example, if you wanted to measure 10 grams of sand, you could load 1 pan with a 10-gram weight, and then place sand in the other pan until it balances.
What is the resolution of the top pan balance?
0.001g to 0.1g.
Top Pan Balances Help They typically have resolutions from 0.001g to 0.1g. Whilst top pan balances offer less readability than an analytical balance, they allow measurements to be made quickly thus making it a more convenient choice when exact measurements are not needed.
What is a top loading balance used for?
A top loading balance is among the most common types of weight measuring scales used in the laboratory. Top loading balances are available in a variety of sizes and weight capacities, from 20 g to 64.1 kg. Top loading balances are typically used to weigh solid material when a precision of 0.1 g is adequate.
How do you know the balance is level?
Check the balance is level using the level indicator (see Figure 1). If the bubble is not in the centre adjust the level, normally by twisting the feet, until the bubble is in the centre of the inner circle. Check that the balance is on and that the door is closed.
What’s a pan balance used for?
The pan is the area on a balance where an object is placed to be weighed. Leveling feet are adjustable legs that allow the balance to be brought to the reference position.
Why do you use a pan balance?
The pan balance lets us check the order of the cubes by felt weight especially when the weights were close and it was hard to tell. The pan balance doesn’t tell you how much more or less one cube weighs than another.
What is the resolution of a balance?
Resolution (sometimes called readability or division) is the number of divisions into which the total capacity is broken down for the purpose of displaying the weight value. This is normally expressed in grams. Thus a balance may be described as 1kg (capacity) x 0.1g (resolution).
What is the top loading balance?
A top loading balance (also referred to as toploader balance) is among the most common types of weight measuring scales used in the laboratory. Top loading balances are available in a variety of sizes and weight capacities, from 20 g to 64.1 kg.
What does pan balance measures?
The measuring pan of an analytical balance (0.1 mg or better) is inside a transparent enclosure with doors so that dust does not collect and so any air currents in the room do not affect the balance’s operation. This enclosure is often called a draft shield.
What is a single pan balance?
The single-pan, substitution balance is much faster and more convenient then the traditional two-pan, equal-arm balance. It thus rapidly replaced the older type after its commercial introduction by Erhard Mettler in 1946.1 In this type of balance the pan and weights are counterbalanced by a single fixed weight on the long end of the beam.