Go Direct* Photogate, double-gate sensor that includes two photogates built into the arms of the sensor, which accurately measures velocity and acceleration, Infrared source: Peak at 880 nm, Gate width: 77.5 mm, Battery: 300 mAh Li-Poly Rechargeable
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
Go Direct* Nitrate Ion-Selective Electrode, Range: 1 to 14,000 mg/L, 2-11 PH, 1 to 4 M omega Electrode resistance, 300 mA Li-Poly Battery, 500 full charge cycles (several years depending on usage)Battery life, connects via Bluetooth* wireless technology
Go Direct pH Electrode, Type: Sealed, gel-filled epoxy body, Ag/AgCl, 12 mm outer diameter, Range: pH 0-14, Isopotential pH: pH 7, Temperature Range: 5 to 80°C, Response Time: 90% of final reading in 1 second
Electrode Carbon with Stopper, Material: Carbon and rubber, Carbon rod, Fitted into rubber stopper, For use with Hoffman Electrolysis, Diameter: 0.25 in
Energy Sensor, offers an easy way to quantify voltage, current, power, and energy output of small wind turbines and solar panels, measures the current and voltage of the system. Data-collection and analysis software
Go Direct* Sensor Cart, Green, for College, High School, and Middle School Science, features built-in, wireless sensors for one-dimensional dynamics and kinematics experiments, directly connects wirelessly via Bluetooth, Position resolution: 0.25 mm
Go Direct* Calcium Ion-Selective Electrode, used to measure the concentration of calcium (Ca2+) in aqueous samples, connects via Bluetooth* wireless technology or wired via USB to your device, For Go Wireless* Electrode Amplifier, Go Wireless* PH
Dynamics Cart and Track System with Go Direct* Sensor Cart and Long Track, for College and High School, completely wireless system simplifies experiment setup & allows basic experiments to be conducted with/without the track, Position resolution: 0.25mm
0.01pH accuracy, IP54 Grade with 30 sets data memory,Electrode condition icon to show pH electrode performance,ATC/MTC, 3 point calibration, auto buffer recognition,Auto/manual endpoint, recall last calibration data
Go Direct* Sensor Cart, Yellow, for College, High School, and Middle School Science, features built-in, wireless sensors for one-dimensional dynamics and kinematics experiments, directly connects wirelessly via Bluetooth, Position resolution: 0.25 mm