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Ultra-Microbalance UYA “Radwag”

 30 910

UYA series of microbalances series Y have been designed to meet the high requirements of mass measurements with the highest precision.

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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.

Model weights

ModelMax capacity, gDiscretion, gMin capacity, µg Note
UYA 2 2 0,0000001 0,1
UYA 2/F 2 0,0000001 0,1For filters



Tare range2,1g
Repeatability0,3 µg
Linearity±1,5 µg
Eccentric load deviation1,5 µg
Sensitivity stability1×10⁻⁶/Year×Rt
Sensitivity offset1,5×10⁻⁶×Rt
Sensitivity temperature drift1×10⁻⁶/°C×Rt
Minimum weight (UPS)0,6 mg
Minimum weight (U=1%, k=2)0,06 mg
Stabilization time10-20 s
Power supply13,5 ÷ 16 V DC
Power consumption 700mA (wireless terminal – 1A)
Working temperature +10 ÷ +30 °C
Atmospheric humidity  40% ÷ 80%
Weighing chamber dimensions ø 118×35 mm
Packaging size 660×660×455 mm
Intrrface2×USB, 2×RS 232, Ethernet, 4Inputs/4Outputs (digital),Wireless Connection
  • Weighing
  • Tare weight compensation
  • Totalizing
  • Plus/Minus Control of relatively set mass
  • Internal calibration
  • RS 232
  • USB-port
  • Dosing mode
  • Statistics
  • IR sensors
  • Mass comparator mode
  • GLP Procedures
  • Weighing within the specified range
  • Scale
  • Manual instruction
  • User manual
  • Power Supply