Introduction
Analytical Balance features a weighing range of 0 to 220 g, making it ideal for laboratories requiring sub-milligram measurements. It is equipped with advanced built-in electromagnetic force compensation sensors for rapid stabilization and stable readings. The system provides an effectively extending the service life of the unit.
This laboratory balances is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.Applications
Analytical Balance is capable of measuring mass in the sub‑milligram range. It plays a key role in analytical chemistry, biochemistry and molecular biology for sample prep, density determination, formulation, pipette calibration and gravimetric analysis.
Specifications
| Capacity | 0 to 220 g |
| Reading Accuracy | 0.1 mg |
| Accurate Class | II |
| Tare Range | 0 to 220 g |
| Stabilization Time | ≤6 s |
| Resolution | 0.001 g |
| Pre-Heating Time | 30 min |
| Linearity Error | ± 0.001 g |
| Pan Size | Φ 80 mm |
| Interface | RS 232C |
| Power Supply | 220 V (±22V), 50 Hz or110 V(±11V), 60Hz |
| Power Consumption | 15 W |
| Dimension | 350 mm × 217 mm × 270 mm |
| Calibration Weight Capacity | 200 g |
| Net Weight | 7 kg |
Features
Low Power Indicator
Full Range Tare
Automatic Turn-Off
High Precision Weighing
Multi-Function Weighing Modes
FAQs
1. What principle governs the operation of analytical balances ?
Analytical balance operate on the principle of electromagnetic force restoration. In this system, when a sample is placed on the balance, an electromagnetic force is generated to counteract the mass of the sample. The balance measures the amount of current needed to generate this force, which correlates directly to the mass of the sample. This method allows for highly precise measurements, often up to 0.0001 grams. The design minimizes mechanical wear and enhances sensitivity, making it ideal for laboratory applications requiring high accuracy. Additionally, the enclosed weighing chamber protects against air currents and dust, further ensuring measurement reliability. Regular calibration is essential to maintain this precision, accounting for environmental and usage variations. Overall, the electromagnetic force restoration principle provides a robust foundation for precise mass measurements in analytical balances.
2. How does environmental control affect analytical balance performance?
It supplies advanced models of analytical balance .Environmental factors significantly influence the accuracy of analytical balances. Temperature fluctuations can cause air currents within the balance chamber, leading to unstable readings. Humidity variations may affect the sample's mass, especially if hygroscopic substances are involved. Vibrations from nearby equipment or foot traffic can disrupt the balance's sensitivity. To mitigate these effects, balances should be placed on stable, vibration-free surfaces and away from direct sunlight or vents. Maintaining a consistent room temperature and humidity level is crucial. Using draft shields and anti-static devices can further protect against environmental interferences. Proper environmental control ensures the balance operates within its specified accuracy range.
3. What are the best practices for calibrating an analytical balance ?
Calibration ensures the accuracy and reliability of analytical balances. There are two primary methods: internal and external calibration. Internal calibration utilizes built-in weights and is often automated, allowing for quick adjustments. External calibration requires certified weights and is typically performed periodically or when the balance is relocated. Before calibration, the balance should be warmed up, leveled, and free from any drafts or vibrations. Regular calibration, as recommended by the manufacturer, helps maintain measurement precision. Documentation of calibration activities is essential for quality control and compliance purposes. Adhering to proper calibration procedures extends the balance's lifespan and ensures consistent performance.
4. How does weighing paper or containers affect measurement accuracy of analytical balance ?
The use of weighing paper or containers introduces additional variables that can affect measurement accuracy of analytical balance . Static electricity can cause the paper or container to attract or repel, leading to fluctuating readings. Moisture absorption by the paper can alter its mass, especially in humid environments. The shape and placement of the container can influence air currents within the balance chamber. To minimize these effects, anti-static tools and gloves should be used. Pre-conditioning the container to the room's temperature and humidity helps stabilize its mass. Ensuring the container is clean and free from residues prevents contamination. Proper handling and preparation of weighing accessories are vital for accurate measurements.
5. What is the significance of minimum sample weight in analytical weighing ?
It supplies premium analytical balance . The minimum sample weight is the smallest mass that can be accurately measured by an analytical balance , considering its readability and repeatability. Weighing samples below this threshold can lead to significant relative errors. Factors such as environmental conditions, balance sensitivity, and sample properties influence this parameter. Determining the minimum sample weight involves assessing the balance's performance under specific conditions. Adhering to this limit ensures the reliability and validity of measurement results. Regular performance checks and calibrations help maintain the balance's accuracy for small sample measurements. Understanding and respecting the minimum sample weight is crucial for precise analytical work.
Tips: For more details, quotes and customized solutions, please contact us anytime. We’re always ready to serve you professionally.

