How would it test pH in a person? How can we do it once purchased?

I am not sure if you can use this to test the pH if a person. Perhaps by putting it in sweaty skin. You should call manufacturer to see if they can answer your question.

can i use this meter for cheesemaking?

Don't see why notCheesemaking websites list similar ones, maybe less precise than this but same technology

Can I use for stiff dough?

Yes you can. This can read liquids and solids. I use mine to measure the ph of cheese curds and whey.

I have a very similar meter but it is "ph110" instead of "ph100." will this "ph105" sensor work with the "ph110?"

Yes the PH105 is the replacement pH electrode for both the PH100 and PH110.

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Description

💧 Stay ahead of the curve with precision pH testing on the go!

VERSATILE P H TESTING - From liquids to semi-solids and solids—perfect for skincare, hydroponics, and more.
WATERPROOF IP 57 RATING - Take it anywhere, rain or shine, without worry.
COMPLETE READY TO USE KIT - Includes electrode, KCI solution, batteries, strap, and tools—start testing instantly.
AUTO MULTI POINT CALIBRATION - Effortless accuracy with 1, 2, or 3-point buffer recognition.
REFILLABLE FLAT SURFACE ELECTRODE - Durability meets precision—no more clogged junctions or breakage.

The Extech PH110 Waterproof ExStik pH Meter offers professional-grade, refillable flat surface electrode technology for accurate pH measurement across liquids, semi-solids, and solids. Featuring a waterproof IP57 design, automatic 1-3 point calibration, and a lightweight 110g build, it’s ideal for diverse applications from skincare to agriculture. The complete kit includes everything needed for immediate, reliable testing in any environment.

Specifications

Manufacturer	Extech
Part Number	PH110
Product Dimensions	17.28 x 4.07 x 3.56 cm; 110 g
Batteries	4 Lithium Metal batteries required. (included)
Item model number	PH110
Style	PH110
Power Source	corded-electric
Item Package Quantity	1
Number of Pieces	1
Included Components	Refillable pH electrode, a 1.5mL KCI, reference junctions, removal tools, cap, cup, batteries, strap
Batteries included?	Yes
Batteries Required?	Yes
Battery Cell Type	Lithium Metal
Item Weight	110 g

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Smooth transaction and product arrived in perfect condition.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Extech PH110 Waterproof ExStik pH Meter

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Specifications

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