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 with precision—measure smarter, not harder!

SMART EFFICIENT - Auto power off with disable option plus low battery indicator for uninterrupted workflow
TAILORED ACCURACY - Adjustable Conductivity to TDS ratio from 0.4 to 1.0 for customized measurements
PRECISION AT A GLANCE - Large 3-1/2 digit LCD ensures crystal-clear readings every time
BUILT FOR THE ELEMENTS - IP65 waterproof design means no fear of splashes or wet environments
DUAL RANGE VERSATILITY - Two ranges for Conductivity and TDS with one-point calibration per range

The EC150 is a professional-grade Conductivity/TDS/Temperature Meter featuring a large 2000-count LCD, dual measurement ranges with one-point calibration, and an adjustable Conductivity to TDS ratio factor (0.4–1.0). Its IP65 waterproof design and automatic temperature compensation make it ideal for reliable, accurate readings in demanding environments.

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