Go Direct* Optical Dissolved Oxygen Probe, with Micro USB Cable, Range: 0 to 20 mg/L, 0 to 300%, Measure primary productivity or biological/biochemical oxygen demand, Explore the interdependence of plants and animals, Monitor watersheds over time
Flash Photolysis Spectrometer, Spectral coverage: 450-750 nm, Temporal resolution: 100 microseconds, Spectral Resolution: Determined by the interference filter used (10 nm with the included 600 nm interference filter), Minimum time window: 15 milliseconds
Go Direct* Melt Station, accurately determines the melting temperature of solid substances, Body Dimensions: 9 cm x 9 cm x 24 cm, Base Dimensions: 13 cm x 15 cm x 1.5 cm, Range: Ambient to 260 deg C, Lighting of control dial: Red LED, Blue LED, Yellow LED, Weight: 1.0 kg
Mouthpiece, Disposable, For a more sterile environment, use the cardboard mouthpieces to help eliminate the spreading of contagious material between students
Go Direct* Surface Temperature Sensor, Range: -25 to 125 deg C, Accuracy: +/-0.5 degC, Response time (from 25 C to 100 deg C in water): 5 seconds, Dimension: 6.8x2.25x1.3cm, Cable length: 1 m, with Wireless: Bluetooth, Wired: USB Connection
Go Direct* Drop Counter, precisely records the number of drops of titrant added during a titration and then automatically converts it to volume, Accurate drop counting at rates up to 6 drops/s, Dimensions: 15.5x4.5x1.8 cm, Opening for drops: 3 cm, Ring stand opening: 16 mm
Spectrophotometer Optical Fiber, designed exclusively for emission spectrum experiments, Simply insert the unit into the cuvette holder, and point the tip of the 1 m optical fiber at a light source, wavelength range: 350 nm to 900 nm
Go Direct* Acceleration Sensor, Low acceleration: +/-157 m/s2, High acceleration: +/-1,960 m/s2, Altimeter: -1,800 m to 10,000 m, Angle: +/-180 deg, with Wireless: Bluetooth Connections, Wired: USB Connection, Slip it into your pocket and pirouette or ride a half-pipe
Go Direct* Sound Sensor is used to easily capture and evaluate waveforms, connects via Bluetooth* wireless technology or wired via USB, for College, High School, and K–8, Rechargeable Battery, Response: A- or C-weighted, Range: 55–110 dB, Resolution: 0.1 dB
Go Direct* Ammonium Ion-Selective Electrode, Range: 1 to 18,000 mg/L, 2-7 PH, 0.1 to 5 M omega Electrode resistance, 300 mA Li-Poly Battery, 500full charge cycles (several years depending on usage)Battery life, connects via Bluetooth* wireless technology
Go Direct* CO2 Gas Sensor, CO2 Sensor Range: 0-100,000 ppm, Resolution: 1 ppm CO2, with Wireless: Bluetooth, Wired: USB connections,Study the effect of temperature on cell respiration or metabolism of organisms, Dimension: 38x28mm, Total length: 155 mm
Go Direct Respiration Belt, Range: 0-50 N, Resolution: 0.01 N, Response time: 50 ms, Maximum chest circumference: 140 cm, with Wireless: Bluetooth Connections, Wired: USB Connection, Measure steps and step rate during a study with the built-in pedometer