Mettler Toledo AE240 Dual-Range Analytical Balance

The Mettler Toledo AE240 Analytical Balance is a high-precision laboratory weighing instrument designed for accurate measurement of small quantities of substances in scientific, pharmaceutical, chemical and research applications. Manufactured by Mettler Toledo, this analytical balance is designed to provide reliable weighing performance for laboratories that require high levels of measurement accuracy and repeatability.

The AE240 is a dual-range analytical balance that combines two weighing ranges in a single instrument. It provides a maximum weighing capacity of 41 grams with a readability of 0.01 milligrams and a second weighing range of up to 205 grams with a readability of 0.1 milligrams. This dual-range configuration allows laboratory professionals to perform highly sensitive measurements at lower sample weights while retaining the flexibility to weigh larger quantities when required.

One of the major advantages of the Mettler Toledo AE240 is its high-resolution weighing capability. In the 40-gram range, the instrument can display measurements in increments of 0.01 mg, making it suitable for applications involving small quantities of chemicals, reference standards, pharmaceutical ingredients and analytical samples. In the 200-gram range, it provides 0.1 mg readability, supporting routine analytical weighing procedures.

The balance features an analytical weighing chamber with a protective draft shield. This enclosure helps minimize the influence of air currents, which can affect the stability of sensitive weighing measurements. The draft shield allows laboratory personnel to place and remove samples while reducing environmental disturbances around the weighing pan.

The instrument incorporates a precision weighing mechanism designed to deliver consistent measurement results. Its high-resolution weighing system makes it useful for pharmaceutical formulation, analytical chemistry, sample preparation, quality control and scientific research. The balance is particularly valuable in applications where small differences in sample mass can influence experimental results or product quality.

The Mettler Toledo AE240 includes a digital weighing display that provides clear measurement readings. Its control bar allows the operator to perform essential weighing operations, including selecting the weighing range, initiating calibration procedures and adjusting certain operating parameters. The instrument also includes a stability detection function that helps indicate when the weighing result has stabilized.

Another important feature of the AE240 is its built-in internal calibration system. The balance is equipped with an integrated calibration weight and a mechanical calibration lever, allowing users to perform sensitivity adjustment according to the manufacturer's procedure. This feature helps maintain measurement performance and reduces the need to handle separate external calibration weights for routine internal adjustment.

The dual-range selection system enables operators to switch between the 40-gram and 200-gram ranges according to the sample requirements. This provides flexibility for weighing very small quantities as well as larger containers and laboratory samples. The tare function also allows the user to subtract the weight of a container before measuring the actual sample mass.

The balance is suitable for pharmaceutical laboratories involved in raw material weighing, formulation development, reference standard preparation and quality assurance. In analytical chemistry laboratories, it can be used for preparing standard solutions, measuring chemical reagents, sample preparation and quantitative analysis. Research laboratories can use the instrument for precise weighing of biological, chemical and material science samples.

In biotechnology and life science laboratories, the AE240 can support preparation of reagents, buffers, culture media components and analytical solutions. Its high-resolution weighing capability is particularly useful when small amounts of ingredients must be measured accurately.

The Mettler Toledo AE240 is also suitable for educational institutions, universities, industrial research departments and testing laboratories. Its dual-range operation provides versatility for laboratories conducting a variety of weighing procedures with different sample quantities.

The instrument features a robust laboratory housing and a precision weighing pan with an approximately 80 mm diameter. Its compact design allows convenient installation on a suitable laboratory weighing bench. The balance should be installed on a stable, vibration-free surface and operated under controlled environmental conditions to achieve reliable weighing results.

Overall, the Mettler Toledo AE240 Dual-Range Analytical Balance combines high-resolution weighing, dual-range functionality, an integrated calibration mechanism and a protective draft shield. These features make it a valuable instrument for laboratories requiring accurate and repeatable measurement of small sample quantities.

The AE240 is particularly appropriate for pharmaceutical, chemical, biotechnology, academic and industrial laboratories where precise analytical weighing is an essential part of routine testing, formulation and research activities.

Important: The Mettler Toledo AE240 is an older discontinued model. Before purchasing or using a pre-owned unit, its weighing accuracy, repeatability, internal calibration function, draft shield condition and display operation should be verified.

Application of Product

1. Pharmaceutical raw material weighing.

2. Analytical chemical sample preparation.

3. Preparation of standard solutions.

4. Precision weighing of laboratory reagents.

5. Pharmaceutical formulation and development.

6. Quality control and quality assurance testing.

7. Biotechnology and molecular biology research.

8. Preparation of buffers and laboratory solutions.

9. Chemical analysis and quantitative testing.

10. Research and development laboratory applications.

11. Academic and university laboratory experiments.

12. Industrial testing and analytical laboratories.

2.2 Features of Product

• Dual-range weighing: Two weighing ranges for different sample quantities.

• High-resolution measurement: Readability of 0.01 mg in the 40 g range.

• Maximum capacity: Up to 205 g in the higher range.

• Protective draft shield: Minimizes disturbances caused by air currents.

• Internal calibration: Integrated calibration weight and adjustment mechanism.

• Digital display: Clear presentation of weighing results.

• Range selection: Switchable 40 g and 200 g weighing ranges.

• Tare function: Allows container weight subtraction.

• Stability detection: Helps identify stable weighing results.

• Precision weighing pan: Approximately 80 mm diameter.

• Compact construction: Suitable for laboratory benchtop installation.

• High-precision mechanism: Designed for analytical laboratory applications.

2.3 Technical Specifications

Specifications are based on the AE240 technical datasheet and operating instructions.

2.4 Product Condition

Condition: Used / Refurbished – To be confirmed.

• Physical appearance: As shown in the photograph.

• Weighing pan: Present.

• Draft shield: Requires inspection.

• Digital display: Requires functional verification.

• Internal calibration: Requires testing.

• Weighing accuracy: Requires calibration verification.

• Accessories: Power cable and other accessories subject to availability.