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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🔍 Measure with Confidence!

READY TO USE - Includes 4 LR44 batteries, so you can start measuring right away!
COMPACT LIGHTWEIGHT - Weighs only 100g, perfect for on-the-go professionals.
USER FRIENDLY DISPLAY - 3.5-inch screen for easy reading and quick data access.
VERSATILE MEASUREMENT RANGE - Conductivity and TDS ranges up to 1999μS/cm and 1999ppm.
PRECISION AT YOUR FINGERTIPS - Experience temperature accuracy of ±1% for reliable readings.

The Extech EC150 Conductivity/TDS Meter is a compact and lightweight device designed for precise measurement of temperature, conductivity, and TDS levels. With a temperature range of 32° to 122°F and an accuracy of ±1%, this meter is perfect for professionals needing reliable data. It features a user-friendly 3.5-inch display and comes with 4 LR44 batteries included, making it ready for immediate use.

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Brand	Extech
Item dimensions L x W x H	16.5 x 3.6 x 3.3 Centimeters
Item Weight	0.1 Kilograms
Screen Size	3.5 Inches
UPC	013088122434 793950061503 756655227384
Global Trade Identification Number	00793950061503
Manufacturer	Extech
Model number	EC150
Number of Memory Sticks	1
Item Weight	100 g
Product Dimensions	16.51 x 3.56 x 3.3 cm; 100 g
Batteries	4 LR44 batteries required. (included)
Item model number	EC150
Item Height	1.3 Inches
Item Width	1.4 Inches
Are batteries included?	Yes
Lithium Battery Packaging	Batteries contained in equipment

Extech EC150 Conductivity/TDS Meter (Temperature Range: 32° to 122°F (0 to 50°C))

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