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Mettler Toledo AT261 Analytical Balance

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Mettler Toledo AT261 Analytical Balance

Mettler Toledo AT261 Analytical Balance

Cambridge Scientific ID #: 22354


  • Standard asynchronous serial format
  • Baud rate and parity freely selectable
  • Bidirectional data transfer
  • Break recognition
  • Galvanic isolation
  • RS-232 and 20 mA current loop
  • Several handshake modes
  • 7-bit ASCII character set
  • Extensive command set – access to virtually all balance parameters
  • Easy connection to printers and computers



  • Readability: 0.01 mg - 0.1 mg
  • Weighing capacity: 62 g - 205 g
  • Taring range (by subtraction): 0…205 g
  • Reproducibility (s) 0...50 g: 0.015 mg
  • Reproducibility (s) 50...100 g: 0.02mg, 0.03 mg
  • Reproducibility (s) 100...200 g: 0.03mg, 0.05mg
  • Linearity: ± 0.03mg, ± 0.15mg
  • Linearity referred to 5 g: ± 0.02 mg
  • Stabilization time (typical) variable with vibration adapter: 8,12,18 s - 3,5,7 s
  • Built-in calibration weights: 2x100 g. Measured to ±0.1 mg (±0.01 mg AT20/21) at an air density of 1200 mg/l on virtual mass with density 8.0 g/cm3.
  • Calibration FACT: Fully automatic motorized self-calibration with two built-in weights (manual triggering also possible). Test possibility to check the calibration.
  • Calibration with external weight: 200 g
  • Display with METTLER Deltatrac: LCD (liquid crystal)
  • Display sequence: 0.2...0.4 s variable
  • Sensitivity drift (5...40°C): Maximum deviation with automatic self-calibration ±0.00015%, (with automatic self-calibration switched off) 1 ppm/°C.
  • Linearization: Automatic self-linearization of the weighing curve (simultaneously with motorized calibration FACT).
  • Data interface: CL and RS232C, bidirectional, built in as standard, all lines galvanically separated.
  • Glass draft shield: No hindering guideways; automatic motorized opening or at a keystroke. 
  • Inner draft shield AT: Standard
  • AC adapter (to national codes): Voltage 115 V or 230 V, admissible voltage fluctuations: +15...-20%. Frequency: 50...60 Hz; power consumption 15,5W max.
  • Admissible ambient conditions: Temperature: 5...40 °C; relative humidity: 25...85% (non-condensing). Height above sea level: -500...+6000 m.
  • Weighing pan feedthrough for below-the-balance weighing: 80x80 [mm]; stainless steel
  • Measures: Free height above weighing pan 239 mm, Balance housing 241x433x289 (WxLxH), AC adapter 115x140x53mm (WxLxH)
  • Weight: Balance 9.3 kg, AC adapter 1.2 kg
  • Vibration adapter (symbol [ ~ ]): 3 settings for matching to location: suppression of the effect of vibrations.
  • Weighing process adapt. (symbol [ ]): 4 settings for matching to weighing application: dispensing, universal setting, absolute weighing, special applications.
  • Stability detection (ASD): 8 settings with different tolerance thresholds (off, 1...7). 
  • Weight unit 1: Freely selectable in the configuration register: g, mg, oz, ozt, tl, GN, dwt, ct, C.M., mo.
  • Weight unit 2 (incl. applications): Freely selectable in the configuration register: g, mg, oz, ozt, tl, GN, dwt, ct, C.M., mo, PCS, Stk, %. The selected weight units 1 and 2 can be switched at a keystroke.
  • Applications: PCS, Stk. (piece counting, reference 10, 20, 50, 100) and % (percent weighing) are built-in applications.
In Stock Worldwide Shipping Call: 1-877-Used-Lab

Our used lab equipment is fully refurbished, guaranteed to work up to manufacturers specifications and are delivered to our customers in as close to new condition as possible. Typical turnaround for refurbishing of used lab equipment is 2-4 weeks. They also come with our standard 6 Month parts and labor warranty. Prices do not include S/H unless otherwise indicated. Pictures enclosed and the actual unit may vary unless specified.


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