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Triple Beam Balance

Triple Beam Balance

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Description of Triple Beam Balance

  • Beams: Three beams (front, middle, back) notched and graduated for precise weight readings.
  • Pan: A stainless steel pan on the left side to hold the material being weighed.
  • Riders/Poises: Sliding weights on each beam that represent different increments.
  • Zero Adjust Knob: Used to calibrate the balance to zero before measuring.
  • Pointer: Indicates when the balance is in equilibrium.
  • Magnetic Damping: A feature that slows the pointer movement for faster readings. 

Common Features and Applications

  • Attachment Weights: Many models come with 1000g or 500g weights to increase capacity to \(2610\text{g}\).
  • Weigh-Below Hook: Allows for density measurement.
  • Application: Used for teaching mass measurement, chemical weighing, and industrial applications.
SpecificationTypical Value/Range
Maximum Capacity\(610\text{g}\) (Standard) / up to \(2610\text{g}\) (with attachments)
Readability\(0.1\text{g}\) (Front beam)
Rear Beam Range\(100\text{g} \times 10\text{g}\) increments
Middle Beam Range\(500\text{g} \times 100\text{g}\) increments
Front Beam Range\(10\text{g} \times 0.1\text{g}\) increments
Tare Range\(\approx 225\text{g}\)
Pan MaterialStainless Steel
Base MaterialDie-cast aluminum/metal
Accuracy (±)\(\pm 0.05\text{g}\) to \(\pm 0.1\text{g}\)


$ 0.00 $ 0.00

 

Component/Feature         Specification
Size/Scale Diameter6 inches (150 mm) or 7 inches (175 mm/178 mm)
Vernier Reading1 minute of arc (30 seconds also common)
Main Scale0-360° with divisions of (0.5  circ ) (150 mm or 175 mm circle)
Vernier ScaleDouble ended vernier separated by (180 circ )
Collimator LensAchromatic, 178 mm focus, 32 mm clear aperture
Telescope LensAchromatic, 178 mm focus, 32 mm clear aperture
EyepieceRamsden Type ((10 times ) or (15 times ) with cross-line graticule
SlitUnilaterally adjustable, 6mm long
Fine AdjustmentProvided for both telescope and collimator (laterally and vertically)
Prism TableMarked with lines; leveling screws & interchangeable clamp
Main StructureHeavy cast metal with bright plated fittings (sometimes stainless steel scale)
AccessoriesPrism holder, Grating holder, Watchmaker’s eyeglass, L-key, Hardwood case



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