Research Equipment

Benchtop pH Meter

Name: Benchtop pH Meter
Brand: Disguised Alpha
SKU: DA-LAB-012
Price: 109.99 USD
Availability: BackOrder

Benchtop pH meter with a replaceable probe, an electrode arm and calibration.

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Important research notice

Not for human, veterinary, or food use. This product is sold exclusively for laboratory research purposes. It is not intended to diagnose, treat, cure, or prevent any disease, and has not been evaluated by the FDA.

All referenced publications and registries are sourced from peer-reviewed journals and official registries. They are provided for educational reference only and are not product claims.

By purchasing, you confirm you are a qualified researcher and will handle this product in accordance with all applicable laws and regulations.

Questions about the Benchtop pH Meter

How does a pH meter work?

It reads a voltage. In Thermo Scientific's pH Measurement Handbook, a glass electrode develops a potential across its sensing membrane that varies with pH, a reference electrode supplies a steady one, and the meter converts the millivolt difference into pH, in theory 59.16 mV per pH unit at 25 °C, after calibration with buffers of known pH.

pH meter vs pH paper: what is the difference?

Paper gives an approximate pH: the University of Wisconsin-Madison chemistry lab guide describes reading it from a drop of solution on litmus or universal indicator paper. A meter calculates pH from the voltage between a glass electrode and a reference electrode, calibrated against buffers of known pH, as Thermo Scientific's pH Measurement Handbook describes.

Where can I buy a benchtop pH meter for research?

This page lists the Benchtop pH Meter, a benchtop pH meter with a replaceable probe, an electrode arm and calibration; the page shows current availability. It is sold exclusively for laboratory research purposes, not for human, veterinary, or food use.