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
Electrode support, It is built to connect to all standard ring-stand posts; its large-handled locking nut keeps your sensors firmly in place, great complement to the Stir Station, as well as a perfect holder for many sensors
HOBOnet Wireless Repeater, is designed to work with the HOBOnet Wireless Sensor Network, 900 MHz wireless mesh self-healing technology, 450 to 600 m (1,500 to 2,000 feet) wireless range up to five hops, Up to 50 wireless sensors per RX3000
Go*Temp, Temperature sensor, Collect temperature data directly through the USB port of a computer, teacher package, temperature graph plotted in real time
camera adapter, 0.5X C-mount, for 1/2inch chip sensors, connect with trinocular microscopes, Compatible with the cameras: Moticam 3+, Moticam 5+, Moticam 10+, Moticam BTU/BTW series, Compatible with the following models: BA Series, AE31E/AE2000, SMZ161/171