FK944

SKU : FK944
WATER QUALITY CHECKER

Product description
The FK944 works on the principle that the resistance of water reduces in accordance with the percentage of salt and other contaminates. The circuit displays the relative conductivity of a water sample or stream on an 8 point LED array. Here the green LEDs suggest a lower contaminate level than that displayed by the red LEDs. The FK944 is ideal for class discussion about the environment and for examining the salt levels in streams and lakes during school field trips.

Technical Specification

  • Power Supply : 9VDC @ 8mA. (Stand by), and 21mA. (working)
  • Level Indication : 8 LEDs.
  • Sensitivity : 3 Switch selected levels.
  • PCB Dimensions : 2.78" x 1.79" x 0.6" (70.6mm x 45.5mm x 15mm)



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