Go Direct* Chloride Ion-Selective Electrode User Manual, contains: bottle of High Standard solution with SDS (1000 mg), bottle of Low Standard solution with SDS (10 mg/L Cl-), Short-Term ISE Soaking Bottle, Polishing strip, Micro USB Cable
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* 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
Go Direct* Ethanol Vapor Sensor, Measure the concentration of ethanol in air above an aqueous sample with Go Direct Ethanol Vapor, Range: 0% to 3%, Response Time: 90% of full scale in 60 seconds, Connections: Wireless: Bluetooth, Wired: USB
Disposable Bacterial Filter, disposable microbacterial filter significantly reduces need to sterilize your spirometers flow head, 30 mm ID opening allows for an easy, air-tight fit to the flow head
Go Direct* SpectroVis* Plus Spectrophotometer, quickly measures a full wavelength spectrum, Wavelength Range: 380 nm-950 nm, Support for fluorescence: Two excitation sources centered at 405 nm and 500 nm, Dimensions: 16 cm x 10 cm x 5 cm
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* 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* 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
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* 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* Colorimeter, measures absorbance or transmittance of a liquid sample, Specifications: Range: 0 to 3 (absorbance), Useful range: 0.05 to 1.0 (absorbance), 90% to 10% transmittance (%T), Wavelengths: 430 nm, 470 nm, 565 nm, 635 nm, Connections: Bluetooth, USB