Go Direct* Sensor Clamp, securely fastens to a wand-style Go Direct sensor, and the included lanyard works as a strap to prevent accidental drops during investigations in the field
Mouthpiece, Disposable, For a more sterile environment, use the cardboard mouthpieces to help eliminate the spreading of contagious material between students
Spoke Pulley, ideal for use with photogates sensors. 65 mm diameter with spokes. Pulley, mounted on free running ball bearings with minimum friction. Mounted on a removeable rod of 150 x 10mm diameter
PH Buffer Capsule for calibration of pH, contains four capsules for each of the 4, 7, and 10 pH buffers, making a total of 12 capsules. The set also includes a small bottle of universal indicator with mold inhibitor, Has to be added to 100 ml of distilled water
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