MYA 4Y P Microbalance (for calibration of pipettes)

Category Laboratory Balances
Manufacturer Radwag
Country of manufacture Poland

The MYA 4Y.P 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 MYA 4Y.P PLUS balance is equipped with an adapter enabling calibration and/or verification of piston pipettes by means of gravimetric method.
Use of the pipette calibration adapter reduces maximum capacity of the balance by the mass of the weighing vessel.

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.P PLUS balances a new standard for mass measurement quality.

Ergonomic Mechanical Design
The MYA 4Y.P 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.


  • Electronic level indicator
    • - 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
  • Infrared proximity sensors, Optional functions:
    • - PRINT function
    • - TARE function
    • - sensor's sensitivity adjustment
  • Portability
    • Extra option: Balances with a wireless terminal
  • Interfaces
    • - Ethernet
    • - 2×USB
    • - 2×RS 232
    • - 4 in / 4 out
    • - WiFi 2,4GHz b,g,n
  • 2-Point Adjustment
    • The highest measurement accuraccy guaranteed
  • Reflex Level Systen
    • Fully automatic balance Levelling
  • Smart Min Weight
    • Minimum Sample Weight improved by 30%
  • Compliance with 21 CFR Part 11
    • Various functions for protecting and monitoring of balance operation
  • Antistatic Weighing Chamber
    • Antistatic coating of the glass panes
Key Attributes
Capacity 21 g
Readability 1 µg
Calibration Internal
Draft protection Doors (except on 5.1 g models with optional larger pan sizes, these do not have doors)
Data output port 2×RS232, 2×USB-A, Ethernet, 4 IN / 4 OUT (digital), Wi-Fi®(model dependent)
Warranty 2 Years
Manufacturer Specifications
Model MYA 5.4Y.P 
Maximum capacity [Max] 21 g
Minimum load 100 µg
Readability [d] 1 µg
Tare range -21 g
Repeatability (5% Max) 1.2 µg
Repeatability (Max) 1.6 µg
Linearity ±7 µg
Eccentric load deviation 7 µg
Minimum weight (U=1%,k=2) 0.24 mg
Minimum weight (USP) 2.4 mg
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. 700 mA (wireless terminal - 1A)
Operating temperature +10 ÷ +40 °C
Working temperature change rate ±0.3°C/1h (±1°C/8h)
Atmospheric humidity 40% ÷ 80%
Atmospheric 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

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