Products > USM pH & Redox

Universal pH and Redox meter

USM pH & Redox

The Universal Smart Meter (USM) is a low cost versatile and compact wall mounted meter.

Aimed primarily at simple pH & redox control applications, the instruments retain only the most important functions to enable low cost but effective measurement and control for most pH and Redox applications. The USM is IP54 rated and comes complete with 2 programmable relays and an isolated 4-20mA output.


From £499


Detailed Specification

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A good combination electrode


0 – 14.00pH or 0 – (+/-) 500mV

Temperature Range

25 degC


Graphic LCD 124×64 dots Negative Blue: 4 Digit Display, 4-20mA graph, Relay Status. 2 Red LED

Set Points

2 minimum / maximum selectable contacts SPDT



Current Output

0 – 20 mA / 4 – 20 mA isolated


+/- 2.0 pH


85% – 112%

Mains Supply

100 – 240 VAC 50/60Hz. Switched-mode Power supply

Power Consumption



450 grams. Wall Mount Version


190 x 125 x 47

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