AS R PLUS Analytical Balances

Category Laboratory Balances
Manufacturer Radwag
Country of manufacture Poland

Balance of the AS R2 PLUS series is a standard analytical weighing device of the SYNERGY LAB line. The AS R2 PLUS is exceptional due to a range of modern constructional and system solutions that guarantee reliability, precision and accuracy of measurement, and make everyday operation easy.

Ergonomic Mechanical Design
The latest AS R2 PLUS analytical balance features spacious weighing chamber, and the open-door clearance facilitates easy access to the weighing pan. With this it is possible to use laboratory glassware of various sizes. New aluminium base is a guarantee for weighing system stability.

Dual-CLICK system allows tool-free assembly and disassembly of the weighing chamber, and a special design of guides for weighing chamber panes (no rims) makes keeping the device clean convenient.

Innovative construction solutions increase balance durability and reliability in long-term operation.

Levelling System
Standard AS R2 PLUS balances are equipped with a levelling device located at the front of the weighing chamber, which facilitates level control.

Levelling operation is now simplified and easier due to the reduced quantity of adjustable supporting points (2 points).

Internal Adjustment
Modernized internal adjustment system guarantees accurate indications in extremely unfavourable conditions.

Elimination of Electrostatics Influence onto the Weighing Result
Special antistatic pane coating eliminates the influence of electrostatics onto the weighing result.


  • Interfaces:
    • - 2×RS 232
    • - USB-A
    • - USB-B
    • - Wi-Fi®® (option)
  • Extra function keys
    • The balance comprises 2 buttons enabling easy access and 4 programmable function keys.
  • Additional information line
    • Display has a new text information line allowing to show additional messages and data, e.g. product name, operator name or tare value, etc
  • Grill pan
    • Complementary open work weighing pan.
  • Antistatic Weighing Chamber
    • Antistatic coating of the glass panes.
  • Ergonomic Mechanical Desing
    • Convenient everyday operation
  • Levelling System
    • The Levelling device is located at the balance front.
  • USB at the Balance Front
    • Expanded functionalities of AS PLUS balances.
Key Attributes
Capacity 220g - 310g (model dependent)
Readability 0.001 g - 0.01 g (model dependent)
Calibration Internal
Draft protection Doors
Data output port 2×RS232, USB-A, USB-B, Wi-Fi® (option) (model dependent)
Warranty 2 Years


Manufacturer Specifications
Maximum capacity [Max] 220 g 310 g 60 / 220 g 82 / 220 g 520 g
Minimum load 10 mg 10 mg 1 mg 1 mg - mg
Readability [d] 0.1 mg 0.1 mg 0.01 / 0.1 mg 0.01 / 0.1 mg 0.1 mg
Tare range -220 g -310 g -220 g -220 g -520 g
Repeatability (5% Max) 0.08 mg 0.08 mg 0.015 mg 0.015 mg 0.08 mg
Repeatability (Max) 0.1 mg 0.15 mg 0.1 mg 0.1 mg 0.25 mg
Linearity ±0.2 mg ±0.3 mg ±0.06 mg ±0.06 mg ±0.4 mg
Minimum weight (U=1%,k=2) 16 mg 16 mg 16 mg 3 mg 16 mg
Minimum weight (USP) 160 mg 160 mg 160 mg 30 mg 160 mg
Stabilization time 2 s 2.5 s
Adjustment internal (automatic) internal (automatic) internal (automatic) internal (automatic) internal (automatic)
OIML Class I
Display LCD (backlit)
Communication interface 2×RS232, USB-A, USB-B, Wi-Fi® (option)
Power supply 100 ÷ 240 V AC 50 / 60 Hz
Operating temperature +10 ÷ +40 °C
Weighing pan dimensions ø100 mm ø100 mm ø90 + ø85 (option) mm ø90 + ø85 (option) mm ø100 mm
Packaging dimensions 495×400×515 mm
Net weight 5.3 kg 7.3 kg
Gross weight 7.3 kg 9.3 kg

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