Why buyers choose it

TDS or conductivity

One meter, switched between the two, with a lamp showing which is selected.
Relay output

Changeover (NO/NC) contacts, with a lamp that shows when the relay is on.

Standard 96 mm panel

96 × 96 mm case, 53 mm deep, for a 92 × 92 mm cut-out, on screw terminals.

In detail

This meter reads total dissolved solids continuously from a panel door, across 0 to 20,000 ppm at 0.1 ppm resolution. The same instrument can be switched to read conductivity instead, and front lamps show which of the two is selected.

It has a relay output with normally-open and normally-closed contacts, and a green lamp lights when the relay has operated, so the reading can switch an alarm or a valve as well as being watched. Parameters are set from the front panel.

The case is 96 × 96 mm and 53 mm deep, for a 92 × 92 mm panel cut-out, and it is wired on screw terminals. It runs from 230 V AC ±10%, 50 Hz.