conductivity tester, handheld device provides a qualitative visual indicator of the conductivity of different solutions, acids or salts, Two brass probes can be touched to a solid substance, or immersed in a liquid, to show conductivity on green LEDs
Electrostatic Friction Rod Kit, includes: -3 fabric cloths (wool, cotton, silk) -3 rods (glass, ebonite, lucite), provides the necessary tools to free both positive and negative charges for exploration into electrostatic forces, 0.4 lbs, 9.8x6.0x1.8in
DC Voltmeter, Full scale and fully enclosed, For numerous electrical experiments, Color-coded binding posts, Can be used with Banana cords, Voltage: 0 to 3V, 0 to 10V, 0 to 15V, Accuracy: +/-2.5%
That provides accurate measurement of pH, oxidation-reduction potential(ORP), conductivity, salinity, and total dissolved solids (TDS).Starter pen meter are the economical option,Simple Operation in a Slim and Portable Design
Electric Calorimeter, can be used as a classic standard calorimeter or as an electric calorimeter, Material: aluminum and plastic, liquid capacity of 175ml, and a heat capacity of 25J/ deg C, Electrical requirements are 6V DC, up to 2A, Dimension: 10x11cm
Banana Plug/Alligator Clip Cord, 12in, Flexible, 18 gauge (SWG) stranded wire cord with a stackable banana plug at one end and an alligator clip at the other end, Alligator clip has a protective vinyl sheath, 3 red, 3 black
Banana Plug/Alligator Clip Cord, 12in, Colour: Red, Flexible, 18 gauge (SWG) stranded wire cord with a stackable banana plug at one end and an alligator clip at the other end, Alligator clip has a protective vinyl sheath, 3 red, 3 black