High Precision Level Transmitter, 4-20MA Output, Waterproof IP68 Protection, Shockproof Design, Water Level Sensor for Water Measurement (0-2 Metre Range) 0-2 Metre Range industrial2 sized at 2

sized at 2

EISCO spectrum tube is used for demonstrating spectral lines of pure substances

but if you need this remote can also be controlled manually

Type B Joystick Package: Electromagnetic Joystick Module x 2(Left and Right)

High Precision Level Transmitter, 4-20MA Output, Waterproof IP68 Protection, Shockproof Design, Water Level Sensor for Water Measurement (0-2 Metre Range) 0-2 Metre Range industrial2 sized at 2High Precision Level Transmitter, 4 20MA Output, Waterproof IP68 Protection, Shockproof Design, Water Level Sensor for Water Measurement (0 2 Metre Range) [Multi layer waterproof IP68 protection] Provides a safer user experience with multi layer waterproof IP68 protection. Versatile application: suitable for measuring water and other non corrosive liquids with a 304 stainless steel construction. [Anti shock Design] Features a 45 degree bevel angle