Just to be sure, this will detect salinity fluctuations of coastal marine water (35 ppt)?!

The max salinity for this meter is 9.99g/L (parts per thousand). So if you know the water is in the range of 35ppt, you can't make direct measurements. But, you could dilute the sample (say 10x) in the field using bottled water (has a salinity <<< sample) or DI water and that would put you at 3.5g/L roughly. You should be able to detect fluctuations at 0.1ppt on the diluted water which translates into detecting 1ppt fluctuations in the water.

is the Exstick EC500 come with calibration certificate ?

No, it does not, but we can get you a Certificate of Conformance from Extech, when you purchase this product from our Amazon Store.

how does it give two readings

Salinity in ppm Conductivity. And total dissolved solids. I really like this meter. Used it for jar tests this summer

Can this be used in soil?

Hi This product can not be used in soil.

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Q: is the Exstick EC500 come with calibration certificate ?

No, it does not, but we can get you a Certificate of Conformance from Extech, when you purchase this product from our Amazon Store.

Q: how does it give two readings

Salinity in ppm Conductivity. And total dissolved solids. I really like this meter. Used it for jar tests this summer

Q: Can this be used in soil?

Hi This product can not be used in soil.

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🌟 Stay ahead in precision—measure smarter, not harder!

ENERGY SAVVY OPERATION - Auto power-off feature extends battery life, with option to disable for continuous use.
READY TO USE CALIBRATION - Includes 1413 µS/cm standard for quick, reliable calibration on the go.
SMART TEMPERATURE CONTROL - Customizable temperature compensation ensures flawless readings from 0 to 50°C.
PRECISION MEETS PORTABILITY - Compact design with a lightweight 100g frame—carry lab-grade accuracy anywhere.
VERSATILE MEASUREMENT MODES - Seamlessly switch between conductivity and TDS with simultaneous temperature display.

The Extech EC210 is a compact, lightweight conductivity and TDS meter featuring three measurement ranges and adjustable temperature compensation from 0 to 5% per °C. It simultaneously displays temperature alongside conductivity or TDS readings, operates on a single included alkaline battery with auto power-off functionality, and comes calibrated with a 1413 µS/cm standard for professional-grade accuracy in a portable package.

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Manufacturer	Extech
Part Number	EC210
Product Dimensions	6.1 x 3.3 x 13.46 cm; 100 g
Batteries	1 Lithium Ion batteries required. (included)
Item model number	EC210
Colour	green/black
Material	Plastic
Item Package Quantity	1
Number of Pieces	1
Batteries included?	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline
Item Weight	100 g

Extech Instruments EC210 Compact Conductivity/TDS Meter

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