Product Description
Analytical Balance
With the Excellence Plus XP, METTLER TOLEDO has set another milestone in the world of analytical balances. Cutting-edge innovations bring unprecedented weighing performance and set new standards in terms of personnel, sample and data security.
Specifications -
| Maximum Capacity | 220 g |
| Readability | 0.01 mg |
| Minimum weigh (typical acc. USP) | 21 mg |
| Minimum weigh (typical, U=1%, sd=2) | 1.4 mg |
| Taring range | 0...220 g |
| Repeatability | 0.015 - 0.03 mg |
| Linearity | 0.1 mg |
| Eccentric Load | 0.2 mg |
| Adjustment with internal weights | proFACT, fully automatic time- and temperature-controlled adjustment |
| Adjustment with external weights | custom weights |
| Sensitivity Accuracy | 2.0 x 10^-6 Rnt |
| Sensitivity offset | 2x10-6Rnt |
| Sensitivity temperature drift | 1 x 10^-6/C Rnt |
| Sensitivity Stability | 1 x 10^-6/a Rnt |
| Settling Time | 1.5 s |
| Interfaces | RS-232C |
| Dimensions | 263x487x322 mm (WxDxH) |
| Usable height of draft shield | 235 mm |
| Size of weighing pan | 78 x 73 mm |
Precision and PerformanceThe AB-220 Analytical Balance delivers exceptional precision, making it ideal for applications requiring utmost accuracy. Its rapid response time, coupled with advanced load cell technology and an intuitive LCD display, ensures quick and dependable results every time. With overload protection and robust construction, it is built to withstand the rigors of daily laboratory use while safeguarding sensitive measurements.
Ease of Use and ConnectivityFeaturing external calibration and a simple interface, this balance offers easy routine maintenance and calibration checks. The RS232 data port allows seamless integration with laboratory software or printers, supporting efficient workflow documentation. User-friendly controls and a backlit display make operations straightforward even in low-light conditions, while the draft shield ensures the highest measurement integrity by minimizing environmental influences.
FAQs of Analytical Balance:
Q: How do I calibrate the AB-220 Analytical Balance?
A: The AB-220 uses external calibration. To calibrate, use certified calibration weights within the stated capacity, following the on-screen prompts. This process ensures your measurements maintain the highest accuracy standards required in laboratory conditions.
Q: What makes the AB-220 suitable for pharmaceutical and chemical laboratories?
A: With a high degree of precision (0.1 mg readability), fast stabilization (2-3 seconds), and features like overload protection, tare function, and draft shield, the AB-220 supports the stringent requirements of pharmaceutical and chemical analyses where reliability and consistency are crucial.
Q: When should external calibration be performed on this balance?
A: External calibration is recommended upon first installation, after extensive transport, or routinelytypically at the start of each day or before high-precision experiments, to ensure measurement accuracy is uncompromised.
Q: Where can the AB-220 Analytical Balance be used?
A: Its design and environmental specificationssuch as operation at 1030C and 80% relative humidityallow the AB-220 to be used in various laboratory environments, including educational institutions, research facilities, industry, and quality control labs.
Q: What steps are involved in weighing a sample using this balance?
A: First, place the sample in the center of the stainless steel pan after closing the draft shield. The automatic tare function can be used to zero the balance before measuring. The quick stabilization ensures an accurate reading appears swiftly on the LCD display.
Q: How does the RS232 Data Port benefit laboratory users?
A: The RS232 interface allows direct connection to computers or printers, supporting efficient data transfer, traceability, and documentation of resultsessential for regulated laboratory environments and workflow optimization.
Q: What are the advantages of the AB-220s construction materials?
A: The stainless steel weighing pan offers durability and chemical resistance, while the ABS housing ensures a robust and lightweight design. These materials help extend the balances operational life and facilitate easy cleaning and maintenance.