UW SERIES SHIMADZU have automatic touch-key Calibration, PSC Fully-automatic Calibration and Clock-CAL Fully-automatic Calibration inside the Balances



  • Fast Respones
    Weighing takes just 0.7–1.2 seconds (S type)
  • Excellent Durability
    Long-life design employing a unique weighing mechanism
  • Easy Connection
    WindowsDirect function allows easy data communication to a computer
    - Only a single cable is required to transfer balance data to MS Excel, or other Windows applications.
    - No interface attachment or software installation is necessary. 
    -This unique function makes interfacing Shimadzu balances extremely convenient.
  • Automatic Touch-key Calibration (UW only)
    Press just two keys to calibrate the balance whenever calibration is necessary.
  • PSC Fully-automatic Calibration (UW only)
    Introduced in 1985, this user-friendly feature triggers calibration when a temperature change is detected, automatically maintaining the balance’s sensitivity.
  • Clock-CAL Fully-automatic Calibration (UW only)
    Automatic calibration at pre-set times. Up to three times a day can be programmed.
  • GLP/GMP/ISO Calibration Record
    Connect the optional printer to automatically output calibration results.Date and time are supplied by the balance's built-in clock.
  • Backlight LCD
    The backlight LCD display can be clearly read in the darkest of environments.
  • UniBloc Technology
    UniBloc one-piece force cell technology replaces the core mechanism of a high-precision balance with a single aluminum alloy block. This provides a number of advantages, introducing fast response, high stability, and a long operational life.


  • Resolution 1/1,020,000
    High-resolution models with a resolution of 1,020 g/1 mg can accurately detect minute changes in a large mass.
  • Checkweighing Function
    When upper and lower thresholds are set, thebalance indicates if the sample weight is within the range (GO), over (HI) or under (LO).
  • Weigh-below hook
    The standard weight-below hook enables weighing on a user's customized pan.
  • Specific Gravity Function
    The standard speci c gravity measurement calculation function uses the Archimedes principle. Attaching the optional speci c gravity measurement kit allows the balance to be used as a density meter or a hydrometer.
  • Piece Counting
    A piece counting function is standard in addition to various unit conversions.


  • The Bureau of weights and Measuring
  • Document Certificate Calibration ISO / IEC 17025 (please ask for information)

UW (with built-in calibration weights)
UW Series Model UW220HUW420H UW620H UW1020H  UW2200HUW4200H  UW6200HUW820S
Capacity (g)220 420 6201020  2200 42006200 820
Minimum Display (g)0.001 0.0010.001  0.0010.01  0.01 0.010.01
Calibration Range
with External Weights (g)
100-220100-420  100-620 500-10201000-2200 1000-4200  1000-6200100-820
Repeatability (σ) (g)≤ 0.001   ≤ 0.01≤ 0.008
Linearity (g)± 0.002 ±0.003   ±0.02±0.01
Response Time (s)1.5-2.5
Ambient Temperature and Humidity  5-40 °C 30-85% (No Condensation)
Temperature Coefficient
Sensitivity (ppm/°C) (10–30°C)
Pan Size (mm) approx.108 x 105    170 x 180108 x 105
Main Body Dimensions
(mm) approx.
  W190 x D317 x H78
Weight (kg) approx.
Display   LCD with backlight
Power Requirements DC, 10 to 15.5 V, 500 mA
Data l/O  RS-232C
FeaturesLabSolutions Balance WindowsDirect PSC Clock-CAL GLP/GMP/ISO conformance
Analog display, % display, PCS, User unit, Animal weighing, Specific gravity measurement S/W, Checkweighing

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