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RADWAG MYA 4Y Micro Balances RADWAG Balances and Scales
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Microbalance MYA 4Y series is designed to meet the highest requirements for determination of mass. Measurement reliability and accuracy are maintained by system of automatic internal adjustment / calibration.
MYA 4Y.F (Filter)
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Specifications Chart

RADWAG MYA 4Y Micro Balances

Microbalance MYA 4Y series is designed to meet the highest requirements for determination of mass. Measurement reliability and accuracy are maintained by system of automatic internal adjustment / calibration.

Microbalance comprises two major components (an electronic module and a precise mechanical measuring system which are enclosed separately). The device design eliminates an influence of heat sourcing from instruments electronics on its mechanical components and additionally protects it from shocks and vibrations caused by users operating the instrument.

All the elements of a microbalance are made of glass and steel which eliminates an impact of electrostatics on weighing process.

  • Faster measurement with the new CPU - 4Y balances feature Dual Core 2 x 1 GHz processor which delivers noticeable performance improvements including faster operation and shorter stabilization time retaining high repeatability values.
  • Monitoring and elimination of electrostatics - Installation of an additional deionizer module in a weighing chamber facilitates automatic detection and elimination of electrostatics effect to which both, sample and container intended for measurement may be subjected.
  • 8 GB of memory – more data management possibilities - 8 GB of memory offers possibility of recording data in a form of complex reports. Time and statistic data diagrams on series of weighments are another useful option.
  • The best possible repeatability and USP regulations conformity - The best weighing accuracy and repeatability – with sd = 1d combined with USP regulations conformity (Section 41 and 1251) make 4Y balances a new standard for mass measurement quality.
  • Ergonomics and safety - Wireless communication between balance terminal and a weighing unit make it possible to comfortably operate 4Y series balances in laminar air flow cabinets and fume cupboards.
  • Remote control operation - Wireless Connection offers wireless transfer of data recorded by 4Y balance to any portable device powered by iOS or Android systems using special applications intended for data management.
  • Data safety - Every single 4Y balance features ALIBI memory designed to provide protection and automatic recording of your measurements. Options such as data preview, copying and archiving are also available to users.


    • ALARM (out of tolerance notification)
    • graphic level indicator
    • programmable acceptable tilts
    • update balance software
    • export weighing data
    • export/import databases
    • export/import balance settings
    • exchange data between balances
    • PRINT function
    • TARE function
    • sensors sensitivity adjustment
    • Ethernet
    • 2×RS 232
    • 2×USB
    • additional display port
  • PORTABILITY Extra option:
    Balances with a wireless terminal


  • AUTOTEST - Diagnostic function aiming at metrological parameters determination (repeatability), the parameters are determined for the actual conditions of use. When speaking of repeatability it may be also used for weighing time optimization. Autotest is operated in an automatic mode thus operator’s time is saved.
  • CHECKWEIGHING - Checkweighing function is used for checking whether the measured sample mass is within the predefined threshold values, Low [LO] and Hgh [HI]. The thresholds are given in [g] and [kg] units. Current state of a sample being measured is signalled by means of pictorgams located on a display for laboratory balances, for industrial scales Stackligt System is used. This visual /- inspection is in operation during segregation, control or packing process of products for which mass has bees determined with a specifaied tolerance, eg. 12860 g 961
  • DOSING - Weighing process for which reference mass has been determined together with tolerance for its determination. Dosing tolerance is given in [%] and it is calculated in relation to the reference value thus being a permissible deviation of this process. This solution is used for weighing powders, liquids and loose materials. Dosing function performance is often supported with bargraph - load indicator. For industrial scales it is possible to use a control systems of dosing process
  • PIPETTES CALIBRATION - Function verifying correctness of piston pipettes functioning, the verification is performed via gravimetric measurement of the excreted liquid. Pipettes calibration may be either a stand-alone module or it may be operated
  • AIR DENSITY CORRECTION - Function performing correction of mass measurement indication, wherein the air density is taken into account. It is used in balances with reading unit < 0,01 mg.
  • PARTS COUNTING - Function using mass measurement for determination of measured items quantity. Mass of a single item is required for this process. It may be either estimated through weighment or taken from a database. For items counting the following algorithm is used: all items mass / single item mass = quantity. Function operation is supperted by a mechanism of Automatic Correction of Accuracy. This allows to update single item mass in course of the process. To a certain extend Automatic Correction of Accuracy eliminates error which may be a result of different mass values of seemingly alike single elements. For industry solutions items counting may be simultaneously carried out with checkweighing and dosing thus industry solutions feature audio signalling base informing that specified number of items has been weighed. It is possible to apply weighing systems using few platfroms of different MAX capacities and different accuracies.
  • PERCENT SETUP - Percent setup function is used for comparision of measured products with mass standard. Mass of a mass standard may be a numeric value taken from a database or it may be determined through a measurement process. Each measured product is compared to mass standard, mass of which is presumed as a model 100% ideal mass. For products weighing less than the mass standard, obtained results are lower than 100%, for products weighing more, the obtained results are greatly excessed.
  • NEWTON UNIT MEASUREMENT - Function allowing to perform the measurement in Newton unit, it may be used for processes aiming to determine force resulting in the sample damage
  • GLP PROCEDURES - Diagnostic function allowing to objectively document performed measurements. GLP procedures may be either presented in a short report form or extended one.
  • AUTOMATIC SLIDING DOOR - Door opened automatically
  • ALIBI MEMORY - The used ALIBI memory is a data secure area and allows to record up to 100 000 weighment records. It ensures security of constant data register in the long time period.
  • FORMULATION - Function supporting the mixture making process, wherein the mixture contains various components. Formulation function usually uses the balance/scale database of components. Formulation serves for monitored checkweighing of every single component with a given tolerance. It is enriched with a set of individual settings.
  • IR SENSORS - Programmable function supporting the weighing process through control of the following options: sliding weighing chamber doors, printout, zeroing, tarring etc. Especially appreciated wherever preventing the balance from soiling is important
  • STATISTICS - Statistiscs function registers and analyses performed measurements. This supplies the user withthe following information: Max and Min standard deviation, average value, variance, range et.
  • ANIMAL WEIGHING - Process of mass determination for a product which may unwillingly reposition within the weighing pan. Mass determination in such cases requires much longer period of time when compared to typical weighing process. It is the user who defines period of time needed for control of measured product mass. The user can thus optimaze the function depending on the measured product characteristics.
Model MYA-2.4Y MYA-5.4Y MYA-11.4Y MYA-21.4Y MYA-31.4Y MYA-0.8/3.4Y MYA-11/52.4Y MYA 21/52.4Y MYA-5.4Y.F MYA-5.4Y.F1 MYA-21.4Y.P
Price RADWAG  MYA 2.4Y Micro Balance  2.1 g x 0.001 mg
RADWAG  MYA 5.4Y Micro Balance  5.1 g x 0.001 mg
RADWAG  MYA 11.4Y Micro Balance  11 g x 0.001 mg
RADWAG  MYA 21.4Y Micro Balance  21 g x 0.001 mg
RADWAG  MYA 31.4Y Micro Balance 31 g x 0.001 mg
RADWAG MYA 0.8/3.4Y  Micro Balance  0.8 g x 0.001 mg and 3.4 g x 0.01 mg
RADWAG MYA 11/52.4Y  Micro Balance 11 g x 0.001 mg and 52 g x 0.01 mg
RADWAG MYA 21/52.4Y  Micro Balance 21 g x 0.001 mg and 52 g x 0.01 mg
RADWAG MYA 5.4Y.F Micro 100 mm Filter Weighing Balance  5.1 g x 0.001 mg
RADWAG MYA 5.4Y.F1 Micro 160 mm Filter Weighing Balance  5.1 g x 0.001 mg
RADWAG  MYA 21.4Y.P Micro Balance for Pipettes Calibration 21 g x 0.001 mg
Model with Wireless Terminal MYA-2.4Y.B MYA-5.4Y.B MYA-11.4Y.B MYA-21.4Y.B MYA-31.4Y.B MYA-0.8/3.4Y.B MYA-11/52.4Y.B MYA 21/52.4Y.B MYA-5.4Y.F.B MYA-5.4Y.F1.B MYA-21.4Y.P.B
Price with Wireless Terminal $10,902.24
Capacity x Readability 2.1 g x 1 µg 5.1 g x 1 µg 11 g x 1 µg 21 g x 1 µg 31 g x 1 µg 0.8 g x 1 µg
3 g x 10 µg
11 g x 1 µg
52 g x 10 µg
21 g x 1 µg
52 g x 10 µg
5.1 g x 1 µg 5.1 g x 1 µg 21 g x 0.1 µg
Tare range -2.1 g -5.1 g -11 g -21 g -31 g -3 g -52 g -52 g -5.1 g -5.1 g -21 g
Linearity ±3 µg ± 5 µg ± 6 µg ± 7 µg ± 8 µg ± 3 µg ± 10/30 µg ± 10/30 µg ± 5 µg ± 5 µg ±7 µg
Eccentric load deviation 3 µg 5 µg 6 µg 7 µg 8 µg 3 µg 6/10 µg 6/10 µg 5 µg 5 µg 7 µg
Repeatability 0.5 µg 1 µg 1.2 µg 1.5 µg 1 µg 2 µg 2 µg 1.6 µg 1.6 µg 1.2 µg
Sensitivity offset 1.5 × 10-6 × Rt 3 × 10-6 × Rt 4 × 10-6 × Rt 1.5 × 10-6 × Rt 3 × 10-6 × Rt 1.5 × 10-6 × Rt 4 × 10-6 × Rt
Sensitivity temperature drift 1×10-6 /ºC×Rt
Sensitivity stability 1×10-6 /Year×Rt
Minimum weight (USP) 1 mg 2 mg 2.4 mg 3 mg 2 mg 4 mg 3.6 mg 2 mg 3.2 mg 2.4 mg
Minimum weight 0.1 mg 0.2 mg 0.24 mg 0.2 mg 0.4 mg 0.4 mg 0.2 mg 0.32 mg 0.24 mg
Pan size ø 16 mm ø 26 mm ø 16 mm
ø 60 mm (for filters)
ø 26 mm
ø 40 mm
ø 100 mm
ø 26 mm
ø 160 mm
ø 26 mm
ø 26 mm
Weighing chamber dimensions ø 90 × 90 mm ø 118 × 35 mm ø 168 × 35 mm ø 90 × 90 mm
Stabilization time max 8 s max 10 s max 8 s max 10 s max 8 s max 10 s
Working temperature +10 ÷ +40 °C
Working temperature change rate ±0,3 °C/h (±1 °C/8h)
Adjustment / Calibration automatic (internal)
Atmospheric humidity 40% ÷ 80%
Atmospheric humidity change rate ±1%/h (±4%/8h)
Display 5.7” colour resistive touch screen
Power supply 13.5 ÷ 16 V DC / 700 mA
Casing of the terminal ABS plastic
Processor 2 × 1 GHz
Memory RAM: 256 MB DDR2, flash: 8 GB microSD
Interface 2×USB, 2×RS 232, Ethernet, 4Inputs/4Outputs, Wireless Connection
Net weight/Gross weight 10.2/14.7 kg
Rt - net weight
** - Non-condensing conditions

Additional equipment

  • Anti vibration table for microbalance
  • Profesional weighing table
  • Impact Epson printer
  • Label printer Citizen
  • Anti draft shield for microbalances
  • "Tare" and "Print" foot button
  • "PW-WIN" computer software
  • "RAD-KEY" computer software
  • "REC-FS" computer software
  • Antistatic ionizer DJ-03
  • THB 2 ambient conditions module
  • Additional LCD display "WD-5"
  • PC keyboard
  • Power adapter with battery and charger ZR-02
  • Mass standard
  • Antistatic cable
  • Bar code scanner
  • Cable RS 232 (balance - computer) "P0108"
  • Cable RS 232 (balance - Epson, Citizen printer) "P0151"
4Y Series RADWAG Balances

4Y Series RADWAG Balances

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