S411 DIGITAL CONDUCTIVITY PROBE

The S411 DIG probe is used for measuring conductive conductivity in pure and process waters.

Features

Reliable conductivity measurement using graphite electrodes

Conductive measuring method with two electrodes and temperature compensation

PVC sensor body and graphite electrodes

No mechanically moving parts

Immediate installation and easy manteinance

MODBUS RTU serial communication protocol

Applications

Untreated water

Drinking water

Demineralization

Reverse osmosis

Ion exchanger

Water from conditioning systems and boilers

Artesian wells

S411 Technical specifications

Measuring range	0…14 pH
Measuring method	conductive with two electrodes
Resolution	0.01/ 0.1/ 1/ 10 (range 0...20/ 200/ 2000/ 20000) μS
Accuracy	± 2.5 % of full scale
Response time	90% of the value in less than 60 seconds
Refresh time	T₉₀ < 60s
Temp. compensation	via internal NTC ( external NTC optional )
Operating temperature	0…50 °C
Maximum pressure	10 bar
Body material	PVC
Electrode	Graphite The probe is completely resinate inside
Mechanical protection	IP68 Sensor + cable
Power supply	12…24Vdc
Power consumption	max. 2W
Cable	10m integral (other on request) – 10m disconnectable cable
Equipotential contact	for solution included
Signal interface	RS 485 Modbus RTU Protocol

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