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MYA 31.4Y PLUS Microbalance

MYA 31.4Y PLUS Microbalance in Laboratory balances
This image is for reference only.

Product code: WL-101-0206
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Overview

Maximum capacity [Max]: 31g
Readability [d]: 1µg

The MYA 4Y PLUS

microbalance

is a professional instrument intended for the most demanding applications. The innovative SYNERGY LAB line guarantees the highest quality, precision and reliability. 

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 PLUS

balances

a new standard for

mass

measurement quality.

Ergonomic Mechanical Design
The MYA 4Y PLUS

microbalance

features construction solutions ensuring convenient everyday operation. The

weighing

chamber can be disassembled without tools, which makes cleaning it convenient. Programmable infrared sensors, when respectively set, enable touchless opening and closing of the weighing chamber.

Antistatic Weighing Chamber
Specially designed antistatic panes coating compensates electrostatic charges accumulated on the sample and laboratory accessories. With this, the influence of electrostatics onto the weighing result is limited.

REFLEX LEVEL SYSTEM
New autolevelling system in MYA 4Y PLUS microbalances ensures:
  • round tilt test,
  • automatic

    balance

    levelling,
  • control of the correct

    balance

    level,
  • confirmation of correct balance level on adjustment and weighing reports.
Innovative 2-Point Adjustment System
Brand new adjustment system guarantees the highest measurement accuracy. It minimizes linearity errors simultaneously providing reliable indications for the whole weighing range.

Smart Min Weight
With use of the "Smart Min Weight" function, the MYA 4Y PLUS microbalance automatically adjusts resolution of the range to the currently weighed mass. This results with improvement of the minimum sample

weight

parameter by 30%.

Remote control operation
Wi-Fi® module offers wireless transfer of data recorded by MYA 4Y PLUS balance to any portable device powered by iOS or Android systems using special applications intended for data management.

Data safety
Every single MYA 4Y PLUS 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.

Faster measurement with the new CPU
MYA 4Y PLUS microbalances feature Dual Core 2 x 1 GB processor which delivers noticeable performance improvements including faster operation and shorter stabilization time retaining high repeatability values.

16 GB RAM – more data management possibilities
16 GB RAM offers possibility of recording data in a form of complex reports. Time and statistic data diagrams on series of

weighments

are another useful option.

21 CFR Part 11 Compliance Module
MYA 4Y PLUS microbalances are compliant with 21 CFR part 11 and EU GMP part 4, annex 11. This means that the 4Y PLUS series features numerous functions for protecting and monitoring work results of particular operators.
Full data protection is ensured by:
  • advanced password settings,
  • verification of log-in operation correctness,
  • assigning permissions to operators,
  • auto log out,
  • electronic signature, e.g. for series of measurements,
  • granting/denying access to data management
  • data backup,
  • modifications saved to Audit Trail file.
Defined Profiles
Four predefined profiles enable automatic balance parameters customization.
  • FAST – the measurement result is obtained in a very short time,
  • FAST DOSING – the balance quickly reacts to

    mass

    changes, especially useful for dosing or adding more product to the dispensed portion,
  • PRECISION - balance settings providing the minimum standard deviation,
  • USER - customization of the parameters in accordance with operator's requirements.
Filter weighing option
This innovative solution enables the user to easily swap the weighing chamber with the chamber for filter weighing, which considerably expands the MYA 4Y PLUS microbalance functionality. The filter weighing chamber is characterized by high ingress protection. Large open-work weighing pan allows precise weighing of filters of various dimensions (max ø100). It is made of stainless steel which makes the chamber resistant to chemicals, colour change and scratches. The additional chamber does not come standard with the MYA 4Y microbalance.
Stainless Steel in RADWAG products
Learn about the use and maintenance of stainless steel products:
Stainless Steel in RADWAG products. Standard and special applications

Wi-Fi® is a registered trademark of Wi-Fi Alliance®.

Videos

New weighing chamber for MYA.4Y and UYA.4Y microbalances
4y series - Ultra-microbalances and microbalances
RADWAG Remote Desktop - Windows 10
RADWAG Remote Desktop
4Y Balances: Video-Guidance and an on-screen manuals
4Y Series RADWAG Balances

Features

Electronic
level indicator
Functions:
  • ALARM function
  • graphic level indicator
  • programmable acceptable tilts

Electronic
level indicator

Functions:
  • ALARM function
  • graphic level indicator
  • programmable acceptable tilts
Data exchange through
USB storage devices
  • update balance software
  • export weighing data
  • export/import databases
  • export/import balance settings
  • exchange data between balances

Data exchange through
USB storage devices

  • update balance software
  • export weighing data
  • export/import databases
  • export/import balance settings
  • exchange data between balances
Infrared
proximity sensors
Optional functions:
  • PRINT function
  • TARE function
  • sensor's sensitivity adjustment

Infrared
proximity sensors

Optional functions:
  • PRINT function
  • TARE function
  • sensor's sensitivity adjustment
Portability
Extra option:
Balances with
a wireless terminal

Portability

Application:

Elimination of extra sources of vibration
Using wireless terminal facilitates elimination of additional vibrations resulting from daily operation on a balance. Owing to that, balances with highest resolutions might be used without the need of dedicated weighing workstations.

Convenience and comfort of weighing in fume cupboards and laminar flow cabins
Wireless communication between a terminal and a weighing module makes balance operation more comfortable and safer.

Balance isolation form influence of environmental conditions
Wireless communication allows to either place the weighing module inside a draft shield or to isolate it from the operator. This allows to weight toxic substances without putting operator's health or life at risk.
Interfaces
  • Ethernet
  • 2×USB
  • 2×RS 232
  • 4 in / 4 out
  • WiFi 2,4GHz b,g,n

Interfaces

  • Ethernet
  • 2×USB
  • 2×RS 232
  • 4 in / 4 out
  • WiFi 2,4GHz b,g,n
2-Point Adjustment
The highest measurement accuracy guaranteed.

2-Point Adjustment

It minimizes linearity errors simultaneously providing reliable indications for the whole weighing range.
Reflex Level System
Fully automatic balance levelling.

Reflex Level System

New autolevelling system PLUS series balances ensures:
  • ground tilt test,
  • automatic balance levelling,
  • control of the correct balance level,
  • confirmation of correct balance level on adjustment and weighing reports.
Smart Min Weight
Minimum Sample Weight improved by 30%.

Smart Min Weight

PLUS balances automatically adjusts resolution of the range to the currently weighed mass.
Compliance with 21 CFR Part 11
Various functions for protecting and monitoring of balance operation.

Compliance with 21 CFR Part 11

Full data protection is ensured by:
  • advanced password settings,
  • verification of log-in operation correctness,
  • assigning permissions to operators,
  • auto log out,
  • electronic signature, e.g. for series of measurements,
  • granting/denying access to data management
  • data backup,
  • modifications saved to Audit Trail file.
Antistatic Weighing Chamber
Antistatic coating of the glass panes.

Antistatic Weighing Chamber

Elimination of electrostatics influence onto the weighing result.

Functions

Autotest

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.
Dosing

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.
Percent Weighing

Percent Weighing

Percent Weighing 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  exceeded.
Parts counting

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.
Formulation

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.
Statistics

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.
Checkweighing

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
IR sensors

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.
GLP Procedures

GLP Procedures

Diagnostic function allowing to objectively document performed measurements. GLP procedures may be either presented in a short report form or extended one.
Animal weighing

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 optimize the function depending on the measured product characteristics.
Pipettes Calibration

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

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.
Automatic sliding door

Automatic sliding door

Automatic side panes opened via touch-free IR sensors.
Differential weighing

Differential weighing

Differential weighing informs about mass variation a particular sample, wherein the said variation is a result of manufacturing processes.

Differential weighing is often applied in product control process, for which reference product parameters have been specified in order to be used as a source of comparison for the whole series.
Insuchcasestandard deviation is the information which tells about quality and completeness of a final product. For systems based on a feed-back technique such information may be used by control units.
Replaceable unit

Replaceable unit

Replaceable units.
Statistical Quality Control

Statistical Quality Control

Statistical control for determination of basic statistical criteria: maximum, minimum, standard deviation, mean values for each batch, etc.
ALIBI Memory

ALIBI Memory

"ALIBI" memory enables saving and storing up to 100000 measurements.  Measurements are saved automatically upon each pressing of the key. There is no need for any additional operations or changing settings.
The following data related with the measurements is saved: measurement date; measurement time; result (mass); tare value; operator carrying out the measurement (logged in); product name.
The software saves the measurement in a so called loop, i.e. when the measurement no. 100001 is saved, the measurement 1 gets automatically deleted from the memory.
Measurements saved to balance memory cannot be deleted.
You can preview and print out the data saved to the ALIBI database.
Wi-Fi®

Wi-Fi®

Wi-Fi® offers possibility to send data from balance to a mobile iOS or Android device, via special data management apps. Wireless communication between the indicator and the weighing instrument enables operating the balance that is placed inside a laminar flow hood or a fume cupboard.

Datasheet

Maximum capacity [Max]

31

 g

Minimum load

100

 µg

Readability [d]

1

 µg

Tare range

-31

 g

Standard repeatability [5% Max]

1.2

 µg

Standard repeatability [Max]

4.5

 µg

Standard minimum weight (USP)

2.4

 mg

Standard minimum weight (U=1%, k=2)

0.24

 mg

Permissible repeatability [5% Max]

2.5

 µg

Permissible repeatability [Max]

6.5

 µg

Linearity

±8

 µg

Eccentric load deviation

8

 µg

Stabilization time

max 10

 s

Adjustment

internal (automatic)

 

OIML Class

I

 

Display

5.7” resistive colour touchscreen

 

Communication interface

2×RS232, 2×USB-A, Ethernet, 4 IN / 4 OUT (digital), Wi-Fi®

 

Power supply

100 ÷ 240 V AC 50 / 60 Hz

 

Power consumption max.

10 W

 

Operating temperature

+10 ÷ +40

 °C

Operating temperature change rate

±0.3°C/1h (±1°C/8h)

 

Relative humidity

40% ÷ 80%

 

Relative humidity change rate

±1%/h (±4%/8h)

 

Weighing chamber dimensions

ø90×90

 mm

Weighing pan dimensions

ø26

 mm

Packaging dimensions

660×660×455

 mm

Net weight

9.1

 kg

Gross weight

16.6

 kg

Repeatability is expressed as a standard deviation from 10 cycles of mass standard weighing.
Stabilization time depends on the ambient conditions and the dynamics of weighing pan loading; specified for FAST profile.

Documentation

Technical specification
Publications and teaching materials
User Manual - 4Y series balances
(6.34 MB)
Save See the publication
Data Sheet
(1.43 MB)
Save See the publication
Data Sheet
(0.18 MB)
Save See the publication
Conformity Declaration
(0.04 MB)
Save See the publication
Stainless Steel in RADWAG products. Standard and special applications
(2.44 MB)
Save See the publication
Determination_of_total_and_respirable_air
(0.21 MB)
Save See the publication
Autotest
(0.10 MB)
Save See the publication
Guidelines for a weighing room for correct microbalance and mass comparator operation
(0.82 MB)
Save See the publication
Principles_of_metrology
(0.10 MB)
Save See the publication
SQC in laboratory
(2.31 MB)
Save See the publication
Micro Scale Measurement
(2.74 MB)
Save See the publication
Detection of vibrations at the electronic balances workstation
(2.02 MB)
Save See the publication
4Y Series Balances
(24.02 MB)
Save See the publication
THBR System 2.0
(5.17 MB)
Save See the publication
Defined Weighing Profiles
(1.36 MB)
Save See the publication
Microbalances working conditions
(2.25 MB)
Save See the publication

Accessories

Automatic pipettes
"Pipettes" PC software
Granite Antivibration tables
Antivibration tables for laboratory balances
Professional weighing table
Audit Trail Reader
E2R System
Label Editor R02
Parameter Editor
R.Barcode
R-LAB
RAD-KEY
RADWAG Connect
RADWAG Development Studio
RADWAG Remote Desktop
LabVIEW Driver
Chamber for filter weighing
Receipt Printer
Label Printers
Antistatic ionizer
THBR 2.0 System - Ambient Conditions Monitoring
RS 232 cables (scale - EPSON printer)
USB Hubs
Moxa UPort 1110 Converter
RS 232, RS 485 cables
Protective cover for balances
Barcode scanners

Accessories

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Anti-Draft Chamber for Microbalances
Displays
Power Adapters

Additional modules

21 CFR Part 11 Compliance Module3
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