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💧 Stay ahead with crystal-clear water insights — because your data deserves precision.
This Meter Probe Water Quality Monitoring Sensor Module offers precise analog measurement of dissolved solids in water (0-1000ppm) with ±10% accuracy. Compatible with 3.3V to 5.5V control systems, it features an AC-excited probe to prevent polarization and extend lifespan. Designed for plug-and-play use, it supports long-term online monitoring in scientific, domestic, and hydroponic environments.
| Best Sellers Rank | #529,617 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #146 in Conductivity Meters & Accessories |
| Customer Reviews | 3.8 out of 5 stars 22 Reviews |
F**R
Buen sensor!
Muy buen sensor, me agradaría que ademas del código de arduino que proporcionan para su funcionamiento, agregaran el código para pic.
J**P
Max 500PPM at 3.3V
If you are using a device like the raspberry pi PICO with 3.3V, the max you can get is a 500ppm. I've measured the voltage being returned from 0-500 and I could only get to 500 before the voltage never went up anymore. I'm guessing thats why 5v may give you 1000ppm, but can't be sure.
L**M
Decent sensor great price
I am using this with an esp8266. Things to note you will need to calibrate this and do a 2 point calibration one at 1000ppm one at 500 or the range you expect to hang out in for measurement. Do not calibrate 0 ppm at 0 volts if using this any microcontroller based ADC unless you plan on using a coupling cap and build an isolation circuit for it. 12 bit adc's are often noisy even with a stable reference voltage if you calibrate 0ppm at 0 volts it will skew the entire scale linearly. Instead use a lower but not 0 range like 50 ppm. This will save your reading from noise. and you will probably still be able to read zero. It took me a day to come to that and it has been working great I calibrated at 300 840 and 1000. 840 is where I am normally at in my nutrient tank.
D**H
Product as expected
The project this was purchased for has been postponed. I am sure it will work as expected.
F**T
tout fonctionne comme prévu.
J’ai préparé un programme Arduino avant de recevoir la pièce quand je l’ai reçu je l’ai simplement branché et tout fonctionne parfaitement bien.
A**N
Works great
Everything works fine, works with both 3.3v and 5v, appears to operate in AC so probes will never corrode.
A**E
DOA
Appears to have a faulty drive op-amp, the voltage at the probe is biased heavily to the negative side. No output on yellow lead. Sent it back. I didn't expect a device this simple to be DOA but you never know anymore.
K**S
Parts did not fit together
The power/signal cable connector wouldn’t plug into the board. The board came with a different style connector as shown in the picture.
Trustpilot
1 month ago
1 month ago