💧 Master water quality like a pro — anytime, anywhere.
The Extech EC400 ExStik is a professional-grade, waterproof meter that simultaneously measures conductivity, TDS, salinity, and temperature. Featuring patented sensor technology, adjustable calibration, and internal memory for 15 labeled readings, it delivers fast, accurate, and repeatable results. Lightweight and portable with self-calibration and included accessories, it’s ideal for field and lab use, trusted by professionals and educators alike.
| ASIN | B000NI4AUA |
| Brand | Extech |
| Brand Name | Extech |
| Customer Reviews | 4.1 out of 5 stars 54 Reviews |
| Global Trade Identification Number | 00793950055007 |
| Included Components | Extech EC500 Waterproof ExStik II pH/Conductivity Meter |
| Item Dimensions | 28 x 48 x 114 millimeters |
| Item Highlight | 5 parameters: conductivity, TDS, salinity, pH, temp; 9 units, analog bargraph, stores 25 readings |
| Item Weight | 0.11 Kilograms |
| Item dimensions L x W x H | 28 x 48 x 114 millimeters |
| Item weight | 0.11 Kilograms |
| Manufacturer | Extech |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Material Type | Acrylonitrile Butadiene Styrene (ABS) |
| Model | EC500 |
| Number of Items | 1 |
| Part Number | EC500 |
| Thread Style | Bspt |
| UPC | 793950055007 |
| Unit Count | 1 Count |
D**T
Great piece of kit
Great piece of kit for my work. Just remember to follow the calibration instructions 👍
B**E
Useful, accurate and easy to use
I use this to do spot water quality tests on the water coming from the private well that feeds my home. For the most part, it's easy to use and is as accurate as any tests I've tried. TDS, Salinity, ph and conductivity are easily determined from a single test sample in under five minutes. Of course, it would be ideal is the unit could also test for additional contaminants (iron, nitrates, chlorine, etc), but for what it offers, this is a great probe that gives you a quick understanding of whether you've had any changes to your water quality. Definitely a good way to get started with water quality testing.
J**Y
Great
Item as described!!!
M**E
Good little meter.
Easy to calibrate with known lab grade pH cal standards. 4,7,10. Compared this meter to lab a grade Hach ph meter and the readings were spot on after calibration. Comes with a sponge in the cap and a little sample cup that allows the meter to sit in the solution being measured.
J**E
Four Stars
It is doing pretty well. Calibration required. Does a pretty good job and is very convenient
Trustpilot
2 weeks ago
1 month ago