All Products
DC Gear Motor
DC Gear MotorThe gear motor operates on 0 to 12 V DC and yields gearing of 21:1 with a stable, slow motion. The motor is fitted with a removable winding shaft.
DC Motor for Robots
DC Motor for Robots
DC Power Supply I (Constant Voltage)
DC Power Supply I (Constant Voltage)Power supply ideal for Photoelectric Effect and Franck-Hertz experiments.
DC Power Supply II (Constant Voltage)
DC Power Supply II (Constant Voltage)Stand-alone power supply perfect for Franck-Hertz and e/m experiments.
DC Programmable Power Supply
DC Programmable Power SupplyProgrammable Power Supply functions as simple constant-voltage source and able to output periodic functions and with custom programs.
Dealing With Murder: Dead and Breakfast Lab Activity
Dealing With Murder: Dead and Breakfast Lab ActivityMerge Scientific Method with Literacy In the Ultimate “Whodunnit” Clues continue to unfold as students become critical readers in this engaging lab activity.
• Includes a reference poster with clues and a CD-ROM containing all required print material
Dealing With Murder: Fatal Error Lab Activity
Dealing With Murder: Fatal Error Lab ActivityUse Critical Thinking and Literacy Skills to Solve an Exciting Murder Mystery Richard Webster and his crack staff of software developers have locked themselves in a think tank until their ground-breaking computer program “Rosebud” is complete. When the doors finally open Webster’s dead body is discovered, apparently strangled by a mouse cord, and his prized program is erased.
• Activity includes a laminated reference poster with clues and a CD-ROM containing all required print material
Decade Capacitance Box
Decade Capacitance BoxSupplies 5 decades of capacitance from 100 pF to 11.111 uF in 100 pF steps.
Decade Resistance Box
Decade Resistance BoxA four decade resistance box covering 1Ω to 9999Ω in 1Ω steps. Resistors are 1% tolerance. Max current 0.35A. Power rating 1W continuous. 4mm sockets allow the unit to be used as a potential divider.
Decade Resistance Box
Decade Resistance BoxDeliver six decades of resistance with this decade resistance box’s rotary selecting switches.
Decade resistor, 0 to 1 Mohm
Decade resistor, 0 to 1 MohmSturdy decade resistor with 7 decades.
Declination and inclination needle
Declination and inclination needleWith 105 mm long steel needle, fully rotatable.
Deflection Beta Particles
Deflection Beta ParticlesDemonstrate the deflection of beta particles in a magnetic field.
Deflection of beta part. – Risø source
Deflection of beta part. – Risø sourceDemonstrate the deflection of beta particles using Risø’s beta source.*)
Demo Electric Motor
Demo Electric MotorThe construction of the multi-functional Demo Electric Motor is completely open.
- Three Copper Wire-Wound Armatures
- Visible Parts
- Removable Bar Magnet Produces a Permanent Magnetic Field
- Phosphor-Bronze Brushes
- Motor Operates on 4.5—9VDC
Demonstration Gyroscope (3-Axis)
Demonstration Gyroscope (3-Axis)With a unique low friction and open design, the gyroscope allows studies of rotational motion.
Demonstration Mirror, Concave
Demonstration Mirror, ConcaveVirtual and real images are formed with these large, curved mirrors.
Demonstration Mirror, Convex
Demonstration Mirror, ConvexVirtual and real images are formed with these large, curved mirrors.
Demonstration Spring Set
Demonstration Spring SetFour large springs ideal for Hooke’s Law or Conservation of Energy demonstrations.
Denoyer-Geppert® Sarcomere Model
Denoyer-Geppert® Sarcomere ModelAdvanced Working Model For Muscular Examination
