Weighing Balance in Lab

Weighing Balance in Lab

Weighing balances play a critical role in laboratory settings, where accurate measurements are essential for producing reliable scientific results. Whether you're working in a chemistry, biology, or any other scientific field, understanding the intricacies of weighing balances and how to use them correctly is crucial to ensure the integrity of your experimental data. In this blog, we will delve into the world of weighing balances in the lab, covering important aspects such as balance types, calibration techniques, environmental factors, and best practices for obtaining accurate measurements.

Types of Weighing Balances: There are various types of weighing balances available in laboratories, each with its own advantages and limitations. The most commonly used types include analytical balances, precision balances, and top-loading balances.

1. Analytical Balances: These are high-precision balances that are capable of measuring weights with a high degree of accuracy, typically to the nearest 0.0001  grams. They are often used for tasks that require extremely precise measurements, such as in analytical chemistry or pharmaceutical research.

2. Precision Balances: These are also highly accurate balances, but with a slightly lower precision compared to analytical balances, typically measuring to the nearest 0.001 or 0.01 grams. Precision balances are commonly used in general laboratory applications where a high level of accuracy is still required, but not as critical as in analytical work.

3. Top-loading Balances: These are the most commonly used type of balances in laboratories, often used for routine weighing tasks that do not require high levels of precision. Top-loading balances typically measure to the nearest 0.1 or 1 gram and are suitable for tasks such as sample preparation or general weighing tasks.

Calibration of Weighing Balances: Regular calibration of weighing balances is crucial to ensure accurate measurements. Calibration is the process of comparing the readings of a balance with a known reference standard to verify its accuracy. There are various calibration techniques that can be used, including:

1. External Calibration: This involves using external calibration weights that are traceable to national or international standards. These calibration weights are used to calibrate the balance by placing them on the weighing pan and comparing the readings with the known weights.

2. Internal Calibration: Some modern weighing balances come with built-in calibration mechanisms, allowing for internal calibration using pre-programmed calibration settings or calibration routines. This eliminates the need for external calibration weights and provides a convenient and efficient way to calibrate the balance.

3. Routine Verification: Regular routine verification of the balance using in-house reference weights can also be done to ensure its accuracy. This involves checking the balance's performance using known weights at regular intervals, as per the lab's standard operating procedures (SOPs).

Environmental Factors: Environmental factors can significantly impact the accuracy of weighing balances. It is important to consider and manage these factors to ensure reliable measurements. Some common environmental factors to be aware of include:

1. Temperature and Humidity: Changes in temperature and humidity can affect the accuracy of weighing balances, as they can cause expansion or contraction of the balance components or the sample being weighed. It is important to operate weighing balances in a controlled environment with stable temperature and humidity conditions.

2. Air Currents: Air currents can affect the stability of the balance and cause fluctuations in the readings. Avoid placing weighing balances near open windows, doors, or air vents, and minimize any air currents in the vicinity of the balance.

Best Practices for Weighing

Features

• Usage:This digital electronic balance is an intelligent balance composed of high stability sensors and a single chip microcomputer, solves the problems of creep and linearity caused by a resistance strain sensor.
• Precision:Measure up to 220g with the precision of 1mg
• Feature:LCD Digital Display Sustainable weighing, high precision Automatic zero point tracking system function Advanced and unique starting up self inspection function High integrated IC circuit board, high tech level
• Function:Skin removal zero function ,Self-calibration function, Fault display function,Unit conversions: gram(g),carat(ct), ounce(oz), pound(lb)
• Advantage:Accurate weighing, fast stability, simple operation and complete function, and is suitable for rapidly determining the quality and quantity of objects in industry, agriculture, commerce, school, scientific research and other units

Description

CGOLDENWALL This analytical electronic balance can measure up to 220g with a 0.001g accuracy resolution.It has the functions of peeling weight, self correcting, memory, counting, fault display and the like. And it features automatic fault detection, over-load alarm, a large easy-to-read digital display, and most importantly fast accurate readings. As the advantages of accurate weighing, fast stability, simple operation and complete function, and is suitable for rapidly determining the quality and quantity of objects in industry, agriculture, commerce, school, scientific research and other units

Specification: Maximum Capacity: 300g
Reading Precision:1mg
Pan Size:ø90mm
Shape Size: 30*33*32.5cm
Packing Size: 39*29.5*41cm
N.W.:3.7KG G.W.:5KG
AC: 220V/50HZ

Features:
1.Using high-precision weighing sensor strain
2.Automatic external calibration weight
3.Large-size glass windscreen
4.High-contrast, large LCD display, Display back light
5.Overload protection
6. (optional) built-in Rs232(Optional) interface for direct connection to PC or printer
7.Multiple units conversion and peeled, counting and other functions
8.With a spirit level, corners leveling, easy to use
9.AC and DC power supply, with a super battery Adapt to different environments
10.New unique shape, fast and accurate weighing, classic show
Friendly remind:we have already calibrated every balance before shipment. So please feel free to try it, if the accurate is below 0.01g, please let us know and we will do our best help you .Also we have record a video about how to calibrate for your reference,You could watch it by clicking following  

 NOTE: 
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