Complete Aquaponics system using recycled water carboys, top half container is used as filtration and plant growbed, two connected containers hold almost 10 gallons of water, Both can hold fish. No direct plumbing connec
Aquaponic System - Countertop 3, self contained system using recyled water carboys. Uses 2 feet of space. Includes all containers, pipe, connectors, filter material, air pump, and air diffuser.
Geiger Counter, Versatile, easy to use and compact precision instrument for measuring alpha-, beta- and gamma-radiation. Filter selection switch at the front of the Geiger-Muller counter tube for filtering out types of radiation
Nexpensive, compact counter for measuring milliseconds. Each count is started and stopped by a signal at the input sockets. The device is automatically reset to zero each time it is restarted.
Aquaponic system top half barrel is used for filtration & aLSo a growbed for plants, two connected barreLS hold almost 100 gallons of water. Both barreLS can hold fish giving you the flexibility to separate sizes or s
Aquaponic system top half barrel is used for filtration and aLSo a growbed for plants, two connected barreLS hold almost 100 gallons of water. Both barreLS can hold fish giving you the flexibility to separate sizes or species.
Function generator with external sweep function and power amplifier for use in versatile student and practical experiments covering simple harmonic oscillation, AC electricity and induction. Featuring illuminated, digital display for frequency, signal form
Zeeman Effect Apparatus, high resolution Fabry-Perot interferometer and a USB video camera. Swivel-mounted 1.0T electromagnet for conversion from transverse to longitudinal viewing. PC software captures and evaluates the interference pattern, Light Emission In Magnetic Field
1MHz Function Generator, Features: Sine; Square and Triangle Wave Generator 1Hz - 1MHz Sine Wave Distortion Less Than 1% Square Wave Symmetry Less Than 1%, Runs on a 9V battery