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Question:How accurate are KnowFlow probes?

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rockets asked on July 10, 2017 08:25
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How accurate are the #knowflow probes?



water-sensing knowflow

question:water-sensors question:knowflow



2 Comments

warren 5 months ago

Hi, @rockets -- maybe refining the title could be helpful here; I hope you don't mind but as I'm an admin, I changed it to How accurate are KnowFlow probes? -- how does that sound?

rockets 5 months ago

yes, that's better than mines

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1 Answers

The probe accurate is list below: 1 Gravity: Analog Electrical Conductivity Sensor / Meter For Arduino Operating Voltage: +5.00 V PCB Size: 45 × 32mm(1.77x1.26") Measuring Range: 1ms/cm -- 20ms/cm Operating Temperature: 5 - 40 ? Accuracy: < ±10% F.S (using Arduino 10 bits ADC) PH2.0 Interface (3-pin SMD) Conductivity Electrode (Electrode Constant K = 1,BNC connector) Cable Length of the Electrode: about 60cm(23.62") 2 Gravity: Analog ORP Sensor Meter For Arduino Module Power:+5.00V Module Size: 40mmX27mm(1.57"x1.06") Measuring Range:-2000mV—2000mV Suitable Temperature:5-70? Accuracy:±10mv (25 ?) Response Time:?20sec ORP Probe with BNC Connector 3 Waterproof DS18B20 Sensor Kit Operating voltage: 3.0~ 5.5V ±0.5°C Accuracy from -10°C to +85°C Usable temperature range: -55 to 125°C (-67°F to +257°F) 9 to 12 bit selectable resolution Uses 1-Wire interface- requires only one digital pin for communication Unique 64 bit ID burned into chip Multiple sensors can share one pin Temperature-limit alarm system Query time is less than 750ms 4 Gravity: Analog pH Sensor / Meter Kit For Arduino Module Power : 5.00V Module Size : 43 x 32mm(1.69x1.26") Measuring Range :0 - 14PH Measuring Temperature: 0 - 60 ? Accuracy : ± 0.1pH (25 ?) Response Time : ? 1min pH Sensor with BNC Connector pH2.0 Interface ( 3 foot patch ) Gain Adjustment Potentiometer Power Indicator LED 5 Dissolved Oxygen Kit Range0 ? 35+ mg/L Response time~0.3 mg/L/per sec Max pressure100 PSI Temperature range °C1 ? 50 °C Internal temperature sensorNo Time before recalibration~1 Year Life expectancy5 Years + Maintenance~18 Months


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