FiveGo F4 Portable DO Standard Kit - includes LE621 sensor

The FiveGo portable dissolved oxygen meters are both economical and easy to use with memory to store up to 200 measurements. A large display screen, simple menu and intuitive layout means you can take a measurement in just a few clicks. 

Measuring range: 0.1-400%, 0.01-45.00 mg/L, ppm 0,0 - 50,0 °C
Resolution: 0.1%, 0.01mg/L, 0.01ppm, 0.1°C
Accuracy: ± 1% / ± 1% / ± 1%/± 0.3 °C
Calibration: 2 points, 100% and 0%
Temperature compensation: ATC and MTC
Data storage: 200 measurements, current calibration
Connectors: BNC, Cinch
Power supply: 4 X 1,5V AAA LRO3 or 4 X 1,2V AAA NiMH HR03
Unit weight: 0.26kg

The LCD display can simultaneously show readings, temperature and endpoint criteria. Both an acoustic and visual endpoint signal is available. The ergonomic design of this unit causes for a comfortable experience for any sized hand however a foldable food stand allows for optimal viewing on a lab bench. 
The IP67 waterproof protection makes the FiveGo portables able to withstand wet and demanding environments. This goes in hand with the the compact carrying case for working in the field.
Useful accessories such as the electrode clip, a wrist strap, operating manual, 4X batteries and a quick guide are enclosed with every FiveGo.