Indent

Semi-Micro / Analytical Balance, Touch Screen, 81 g / 220 g

Dual-range semi-micro and analytical balance reading to 0.01 mg on the 81 g range and 0.1 mg on the 220 g range, with internal calibration and an antistatic glass windshield.

Typical applications

  • Semi-micro sample and standard weighing
  • Standard solution preparation
  • Dynamic weighing of unstable loads
  • Density determination of solids and liquids
  • Piece counting
  • Percentage and Σ weighing

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Worth knowing before you order

The fine range is 81 g, against 102 g on the otherwise similar touch-screen model in this range — the two look alike and are not the same buy if samples plus tare will pass 81 g on the 0.01 mg range. Note also what the numbers mean: 0.01 mg is the readability, repeatability is quoted at 0.01 mg and linearity at ± 0.04 mg, and it is those last two that decide whether the reading is worth anything. The 'verification scale interval (e) 1 mg' and 'Class I' rows are legal-metrology figures for trade verification, not the resolution of the display. A 0.01 mg balance is environment-limited: it wants a heavy, level bench away from doors, walkways and air outlets, and the anti-vibration pad supplied as standard will not compensate for a bad position. The glass windshield is described as antistatic material, which helps but does not remove charge from the sample itself — the ioniser listed elsewhere in this catalogue is the tool for that and is quoted separately, as is the density determination kit the density function needs. The catalogue claims GLP/GMP compliance and heads its pages 'an ISO 9001:2015 company': the first describes features such as calibration records and printouts, the second is the factory's management-system certificate; neither is a performance standard for this balance.

Specification

Technical specification for Semi-Micro / Analytical Balance, Touch Screen, 81 g / 220 g
Capacity × readability81 g × 0.01 mg (semi-micro range); 220 g × 0.1 mg (analytical range)
Repeatability (standard deviation)0.01 mg on the 81 g range; 0.1 mg on the 220 g range
Linearity (±)0.04 mg on the 81 g range; 0.4 mg on the 220 g range
Sensitivity drift (±)2 ppm/°C
Verification scale interval (e)1 mg
Accuracy class as printedClass I
Weighing cellElectromagnetic force compensation (EMFC)
CalibrationInternal calibration
Display4.3" touch screen, time on display, built-in temperature sensor
Response time4-6 s
Pan size90 mm Ø
WindshieldGlass, antistatic material
Weighing chamber size162 x 180 x 210 mm
Tare rangeFull
Operating temperature15 °C to 30 °C
Weighing unitsg, mg, oz, ct
Application modesBasic, dynamic, percentage, piece counting, density determination, Σ weighing
Data output modeCommand and continuous output
InterfaceRS232C, USB
Baud rate options1200, 2400, 4800, 9600
Power supplyDC 9 V adaptor, AC 220 V / 50-60 Hz
Supplied as standardAnti-vibration pad, pan, power adaptor, manual, test certificate
Packing dimensions (L x W x H)420 x 315 x 445 mm
Gross weight9 kg

Support available

  • Installation & commissioning
  • Calibration
  • Validation & qualification (IQ/OQ/PQ)
  • Operator training
  • Annual maintenance contract
  • Spares & consumables

Calibration is arranged through NABL-accredited laboratories under the relevant scope. We state the scope and the certificate number on the quotation — see what accreditation actually covers.

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