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Science First™ Liquid Conductivity Indicator

Determine the conductivity of different liquids or concentrations.

Manufacturer:  Science First™ 6740035

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Catalog No. S43478BLB

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Requires : Light bulb, 7.5w



  • Qualitative device causes a 7.5w light bulb to glow when water conducts electricity
  • Cord on the side cannot contact water, eliminating shock hazards
  • Plastic molded body with recessed electrical connections and electrodes
  • Attaches to standard ring stand (up to 0.5 in. dia. [12.7mm]) with thumbscrew clamp (sold separately)
  • Comes with illustrated instructions
  • Weight: 3.88 oz. (0.11kg)

Operates on 110V, AC only



Determine the conductivity of liquids or concentrations
Replacement Bulb
7.5 w


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