UYA 2.4Y Ultra-Microbalance

Category Laboratory Balances
Manufacturer Radwag
Country of manufacture Poland

New generation of ultra-microbalances UYA 4Y is designed to meet the highest requirements for determination of mass. Its built-in system of automatic internal adjustment/calibration maintains excellent measurement reliability and accuracy. The device comprises two major components (an indicator and a precise mechanical measuring system which are enclosed separately). Such design eliminates an influence of heat sourcing from instrument's 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.

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 UYA 4Y ultra-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 UYA 4Y ultra-microbalance.

CAUTION: In order to carry out the weighing process by means of microbalances and ultra-microbalances correctly, it is necessary to prepare the workstation and to operate the device as required. Follow usage and installation guidelines.


  • 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
Key Attributes 
Capacity 2.1g
Readability 0.1 µg
Calibration Internal
Draft protection Optional Doors (larger pan size does not have doors)
Data output port Ethernet, 2×USB, 2×RS 232, 4 in / 4 out, WiFi 2,4GHz b,g,n
Warranty 2 Years
Manufacturer Specifications
Model UYA 2.4Y UYA 2.4Y.F
Maximum capacity [Max] 2.1 g
Readability [d] 0.1 µg
Tare range -2.1 g
Repeatability (5% Max) 0.25 µg
Repeatability (Max) 0.4 µg
Linearity ±1.5 µg
Eccentric load deviation 1.5 µg
Minimum weight (U=1%,k=2) 0.05 mg
Minimum weight (USP) 0.5 mg
Stabilization time 10-20 s
Adjustment internal (automatic)
OIML Class I
Display 5.7” resistive colour touchscreen
Power supply 100 ÷ 240 V AC 50 / 60 Hz
Power consumption max. 700 mA (wireless terminal - 1A)
Operating temperature +10 ÷ +40 °C +10 ÷ +30 °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 ø118×35 mm
Weighing pan dimensions ø16 mm ø50 mm
Packaging dimensions 660×660×455 mm
Net weight 9.1 kg
Gross weight 16.6 kg

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