Review on π Extech DO700: Unleash the Power of Portable Dissolved Oxygen Measurement by Scoony Taker
Extech 4-in-1 Kit
Terrible. If you follow the instructions, the results will be the same for all modules. I can't trust that. It is nearly impossible to get accurate measurements on a sample as the numbers jump up and down when just sampling pure water. The ORP reader is very slow to display results. The temperature is the only thing I can trust. I do NOT recommend this product.
- One button pH calibration (4, 7 & 10 pH)
- Expensive
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