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Mass comparators advanced RADWAG solutions for traceability of measurement

17 September 2015  •  Author: Radwag

UMA Automatic Mass Comparators

Mass comparators of UMA series stand for the highest standard of professional automatic mass comparators.Mass comparators  Advanced RADWAG solutions for Traceability of Measurement

They provide comparison of 1 mg – 100 g weights of E1 and lower  classes.

The device is equipped with 36 magazine positions allowing to deposit up to 36 weights. This solution allows to perform either comparison for complete set of weights carried out within one process or comparison for just a few weights of  the same mass.

Owing to elimination of human factor and with temperature changes and air drafts reduced to zero, UMA automatic mass comparators provide the highest possible measurement repeatability.

The weighing pan has been designed to enable measurement of very small samples  with very high precision. This also secures a weight against wedging.

Mass comparators  Advanced RADWAG solutions for Traceability of Measurement

User-friendly and functional software guides you through preparation process of complete calibration plan within just a few minutes.

Comparison can be carried out for weights of all shapes with use of just one universal weighing pan.

Compact size guarantees operation of the device at any laboratory workstation. Possibility of comparison of many weights at a time adds to comparator’s versatility.

Mass comparators  Advanced RADWAG solutions for Traceability of Measurement

AK-4 Automatic Mass Comparators

Mass comparators of AK-4 series stand for the highest standard of professional automatic mass comparators.

They provide comparison of 10 g – 5 kg weights of E1 and lower  classes.

The comparators are offered in two versions:

  • 4- positional weight alternator: for 1 reference mass standard and 3 tested weights
  • 2- positional weight alternator: for reference weight being a combination of mass value of 3 separate weights.

Owing to elimination of human error and with temperature change and air drafts reduced to zero, AK-4 automatic mass comparators provide the highest possible measurement repeatability, incomparable to repeatability offered by manual comparators.

A supplementary external anti-draft chamber comes standard with each AK-4 comparator.

Weight positioning of sliding nature prevents errors of eccentricity.

Radwag solutions intended for automatic comparators, i.e. positioning mechanism, guarantee extremely precise setting of weight on a weighing pan, performed each time the turntable has been rotated.

Extraordinary design of the weighing pan enables both, comparison of mass being combination of 3 weights, and standard comparison of 1 weight.

Weighing range switch allows you to select different load ranges for weights comparison. Regardless of selected option, constant comparator resolution is maintained.

AKM-2 Automatic Mass Comparators

Mass comparators  Advanced RADWAG solutions for Traceability of Measurement

Mass comparators of AKM-2 series stand for the highest standard of professional automatic mass comparators. They provide comparison of 500 g – 50 kg weights of E1 and lower classes. The comparator is offered in a form of 2-positional weight alternator: for 1 reference mass standard and 1 tested weight. For maximum comfort of operation, the AKM-2 has been equipped with automatic sliding feeding mechanism allowing easy placement of heavy weights.  Owing to elimination of human error and with temperature change and air drafts reduced to zero, AKM-2 automatic mass comparators provide the highest possible measurement repeatability, incomparable to repeatability offered by manual comparators.

Dedicated weighing pan design facilitates extremely precise weights comparison, no matter how light the weights are.

Sturdy design of the table, featuring heavy granite stone and robust rubber shock absorbers, reduces effect of vibrations to the absolute minimum.

Mass comparators  Advanced RADWAG solutions for Traceability of Measurement

Manual Mass Comparators, UYA 4Y.KO Manual Mass Comparators

Mass comparators  Advanced RADWAG solutions for Traceability of Measurement

Mass comparators of UYA 4Y.KO series stand for high standard of professional manual mass comparators.

They provide comparison of 1 mg – 5 g weights of E1 and lower classes.

The UYA 4Y.KO series is characteristic for 0,1 μg readability. Significant feature of UYA 4Y.KO comparator is the automatically opened transparent weighing chamber providing maximum resistance to air drafts.

A supplementary external anti-draft chamber comes standard with each UYA 4Y.KO comparator.

APP 4Y.KO Manual Mass Comparators

Mass comparators  Advanced RADWAG solutions for Traceability of Measurement

Mass comparators of APP 4Y.KO series stand for high standard of professional manual mass comparators. They provide comparison of 100 g – 50 kg weights of E1 and lower classes.

APP 4Y.KO mass comparators feature model-related weighing pan type, it is either self-centering pan or weighing pan with mechanical centering aid, the former one allowing for dissemination of weights.

A supplementary external anti-draft chamber comes standard with each APP 4Y.KO comparator.

Automatically opened transparent weighing chamber of UYA 4Y.KO mass comparator provides utmost visibility of the weight subjected to comparison.

Complex databases offer unlimited access to information on mass standards, customers and tasks along with preview of reports on carried out comparisons.

Weighing pan with mechanical centering system facilitates precise placing of mass standards, plus it reduces effect of eccentricity to zero.

Optional “floating” self-centering pan offers reduction of eccentricity effect, plus it supports distribution of reference mass to more than one weight.

WAY 4Y.KO Manual Mass Comparators

Mass comparators of WAY 4Y.KO series stand for high standard of professional manual mass comparators. They provide comparison of 1 mg – 5 kg weights of E1 and lower classes.

WAY 4Y.KO mass comparators feature transparent weighing chamber and ring-shaped draft shield encircling the weighing pan.Models characterized with the highest accuracy additionally comprise an internal box-shaped draft shield made of glass.

Mass comparators  Advanced RADWAG solutions for Traceability of Measurement

A supplementary external anti-draft chamber comes standard with each WAY 4Y.KO comparator.

Ring-shaped draft shield encircling the weighing pan, apart from protecting the pan against air drafts, prevents potential shocks that could be applied accidentally to the weighing pan while loading the weight

Weighing pan, made of the best quality non-magnetic stainless steel, features centrically positioned markings allowing easy and precise weights placement.

Glass draft shield minimises influence of air drafts on comparison process. The glass with special conductive coating supports discharge of static electricity.

Selected WAY 4Y.KO models allow use of supplementary external loads, with this it is possible to carry out comparison of non-standard weights.

HRP 4Y.KO Manual Mass Comparators

Mass comparators  Advanced RADWAG solutions for Traceability of Measurement

Mass comparators of HRP 4Y.KO series stand for high standard of professional manual mass comparators.
They provide comparison of 50 kg – 1000 kg weights of F2 and lower classes.
HRP 4Y.KO mass comparators have been equipped with large weighing platform featuring markings allowing you to place the weights centrically and precisely.
HRP 4Y.KO mass comparators serve not only comparison purposes, they can be used for weighing processes and other related operations.

Precisely marked weighing platform of HRP 4Y.KO comparator is of great help when trying to place the weight accurately in the center.

Colour 5’7‘’ touchscreen comes standard with all RADWAG manufactured comparators.

XA 4Y.A.KB Manual Mass Comparators

Mass comparators  Advanced RADWAG solutions for Traceability of Measurement

Mass comparators of XA 4Y.A.KB series are standard manual mass comparators.

They provide comparison of 1 mg – 200 g weights of F2 and lower classes.

XA 4Y.A.KB mass comparators have been equipped with transparent weighing chamber featuring automatically opened door.

XA 4Y.A.KB mass comparators serve not only comparison purposes, they can be used for weighing processes and other related operations that are typical for standard analytical balances of XA 4Y.A series.

PS 4Y.KB Manual Mass Comparators

Mass comparators  Advanced RADWAG solutions for Traceability of Measurement

Mass comparators of PS 4Y.KB are standard manual mass comparators.

They provide comparison of 100 g – 1 kg weights of class F2 and lower classes.

PS 4Y.KB mass comparators have been equipped with spacious transparent weighing chamber.

PS 4Y.KB mass comparators serve not only comparison purposes, they can be used for weighing processes and other related operations that are typical for standard precision balances of PS 4Y series.

Spacious and airtight weighing chamber of XA 4Y.A.KB mass comparator features automatically opened door.

Openwork weighing pan significantly reduces ambient conditions influence on the measurement.

Transparent weighing chamber of PS 4Y.KB mass comparator, protecting the weighing pan, provides utmost visibility of the tested weight.

Semi-automatic levelling system is a standard feature of each 4Y series mass comparator.

APP 4Y.KB Manual Mass Comparators

Mass comparators  Advanced RADWAG solutions for Traceability of Measurement

Mass comparators of APP 4Y.KB series are standard manual mass comparators.

They provide comparison of 1 kg – 50 kg weights of F2 and lower classes.

APP 4Y.KB mass comparators have been equipped with an open-work weighing pan featuring centering holders that facilitate precise weights placement.

APP 4Y.KB mass comparators serve not only comparison purposes, they can be used for weighing processes and other related operations that are typical for standard precision balances of APP 4Y series.

Centering holders of the openwork weighing pan allow precise placement of the weights, it is especially helpful when working with heavy and large mass standards.

Dedicated box for APP 4Y.KB mass comparator is a warranty for safe transport. With in-built interfaces you have a green light for immediate operation right after opening the box.

RMCS PC Software

Radwag Multiple Comparator Software, RMCS, has been designed to enable management of laboratory-performed calibration procedures, starting from the moment of accepting an order, through its progress, until issuing a calibration certificate.

The calibration process supported by means of RMCS provides improved efficiency, reliable measurement results and complete documentation on calibration process, together with lower labour costs.

RMCS PC Software is intended for cooperation with RADWAG manufactured mass comparators. With the software you can carry out calibration processes using ABBA and ABA methods.

RMCS PC software makes it possible to initiate the calibration procedure by means of task sent to a particular mass comparator. Additionally it features option for autonomous performance of calibration process, triggered by the mass comparator itself. In both cases, data is transferred to the software for the purpose of registering, controlling and finally issuing a calibration certificate.

RMCS System functions

  1. Complete management of a calibration laboratory calibrating mass standards and weights
  2. Complex management of RADWAG comparators
  3. Calibration using ABBA and ABA methods
  4. Cooperation with monitoring system for ambient conditions
  5. Databases support: comparators, mass standards, users and calibration orders
  6. Bilateral data synchronization with RADWAG mass comparators
  7. Archiving orders, calibration certificates and ambient conditions records
  8. Record of events and calibration process reporting

Export of report results and calibration certificates.

Mass comparators linked in the RMCS system autonomously cooperate with THB ambient conditions modules recording ambient conditions state (temperature, humidity and atmospheric pressure) throughout the whole control process. Measurement results are displayed and sent, in real time, to RMCS software for the purpose of process control and data archiving.

Ambient Conditions Monitoring THB

Maintaining optimal ambient conditions at a workplace is a warranty of precise results for comparison processes.

THB monitoring system has been designed to offer option of constant ambient conditions supervision provided at the place of mass comparator operation or in any laboratory room. The system performs real-time measurement of air temperature, relative humidity and atmospheric pressure. The measured values are then used for calculation of air density and dew point temperature.

The measurements carried out for particular workstation are performed by means of its local sensors – THB Ambient Conditions Modules. Current state of given measurements is displayed on the comparators terminal along with messages informing on critical values, all this thanks to connection established between the THB module and the comparator.

Measurements results of particular THB modules are transferred in real time to THB-R recorder. The recorder supports up to 16 modular sensors, thus allowing monitoring of ambient conditions in multiple points in the proximity of up to 1200 m. THB-Multi software enables displaying the measurements results on the computer screen. Additionally it offers data analysis, reports and charts preparation and measurements record in database.

Basic parameters for THB Ambient Conditions Modules

  • Measured temperature range +5°C – +45°C
  • Temperature measurement accuracy d=0,01°C / error ± 0,1°C
  • Measured pressure range 850 – 1050 hPa
  • Pressure measurement accuracy d=0,1 hPa / error ± 2hPa
  • Measured humidity range 0 – 100%
  • Humidity measurement accuracy d=0,1% / error ± 2%
  • (from 0% to 10% and from 90% to 100% the accuracy is 5%)

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