机器人系统（全自动质量比较仪）用于参考砝码和测试砝码的质量比对。全自动质量比较仪简化了质量实验室的工作，能够在zui短时间内有效测量全套砝码。
质量比较仪可用于标准质量的传递工作，从而并确保对原器的可追溯性。
质量比较器天平的精度可高达0.1ug，具有*的重复性。这两个特性实现了一个已知参考砝码和一个未知测试样之间的比较称量。即使它们之间存在极小的质量差异。
比较器天平的主要用户是：国家标准质量实验室、法定计量服务机构，室内校准实验室，砝码和检测机构。他们需要至高分辨率的测量。
| Automatic mass comparators AKM-4 |  |
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| Application应用范围：: Automatic mass comparators series AKM-4/X are intended to automatic determination of mass deviations in weights with operator’s activity limited to the minimum. The comparators enable determining deviations of three tested weights in a signle cycle. AKM-4/X are designed to compare weights from 100 g to 2 kg. The instruments are commonly applicable in mass measuring laboratories, and particularly in certification units for weights classes E, F and M. Design and functionality设计和功能: The supervising part of a mass comparator is a digital module which cooperates with a controller of instrument’s mechanical components. The digital module and the automatic loader are located in mass comparator’s weighing chamber. The instrument is operated from level of mass indicating digital display which is plugged to mass comparator’s contoller. The supervising elements are not integrated with mass comparator’s mechanical parts, thus enabling separation of instrument’s weighing chamber from ambient conditions influence. RADCAL system, designed by RADWAG is dedicated to management of calibrating and testing procedures in a laboratory from the moment of accepting an order, through its progress and until issuing a calibration certificate. The software manages the complete testing process. More» |  | Prize Winner of the 13th Edition of European Medal |
|  |  | 2 years warranty period |
| Operation of automatic mass comparator AKM-4 | Screenshots: |  | |  | |  | | Mass comparator's disc in uplifted position | | Weight is placed on a mass comparator - disc is lowered | | Measurement record | Hightlights: - Elimination of error caused by human factor in the process of loading weights （repeatable conditions of load placing on instrument’s platform）;
- Automatized process of mass comparison – weights are loaded fully automatically;
- Fully repeatable measurements of all loaded mass;
- Simultaneous measurement of up to 3 weights;
- Elimination of ambient conditions （temperature changes and humidity） influence on the process of mass comparison （mass comparator located in a chamber with constant ambient conditions）.
| |  | Cooperation with computer: It is possible to operate the mass comparator from PC computer level with installed dedicated software. The measurement processes carried out by the mass comparator are recorded by the supervising digital module or a plugged PC computer. The complete control process can be reported from computer level. Instance of a network solution: 
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| Download: - Product folder
- Declaration of conformity
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| | | | Technical data: | AKM-4/500 | AKM-4/1000 | AKM-4/2000 | | Max capacity | 510 g | 1,01 kg | 2,01 kg | | Readability | 0,005 mg | 0,01 mg | 0,05 mg | | Repeatability* | 0,005 mg | 0,02 mg | 0,05 mg | | Electric compensation range | +/- 10 g | | Supplementary weights | none | | Stabilization time | 10 s | | Adjustment/calibration | external | | Power supply | 110 ÷ 230 V AC / 50 ÷ 60 Hz / 13,5 ÷ 16 V DC / 1,1 A | | Pan size | ø90 mm | | Weighing unit dimensions | 1200×980×680 mm | | Control unit dimensions | 350×200×400 mm | | Net weight | 130 kg | | Ambient conditions: | | Working temperature | +17° ÷ +30°C | | Change rate of working temperatures | ±0,5°C/12h （±0,3°C/h） | | Atmospheric humidity | 40% ÷ 60% | | Change rate of atmospheric humidity | ±5%/4h |
* Repeatability expressed as standard deviation from 6 measuring cycles ABBA （according to OIML R111） in stable laboratory operating conditions. |
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