Water Quality Management

Track pH, conductivity, dissolved oxygen, and more!

For more than 25 years, Onset’s HOBO data loggers have set the standard for reliable, and accurate water quality monitoring.

Quick and simple deployment

Rugged design for harsh environments

Easy setup and analysis with HOBO software

Models available for easy, wireless data offload with a mobile device

Monitoring Wetlands with Data Loggers: PDF Download

A Best Practice Guide

Choosing A Conductivity Data Logger: PDF Download

Read The Doc

Combo Cond Meter Water Quality Tester - eucatech Store

AZ Instrument Corp.Combo Cond Meter Water Quality Tester

From R 1,657.60

RS485 MODBUS-RTU Industrial pH Sensor - eucatech Store

Seeed Studio RS485 MODBUS-RTU Industrial pH Sensor

R 4,256.00

pH & mV Meter with Printer - eucatech Store

AZ Instrument Corp.pH & mV Meter with Printer

R 2,970.83

Onset Pendant Mounting Boot

R 0.00

MX2205 TidbiT External Temperature Logger - eucatech Store

Onset MX2205 TidbiT External Temperature Logger

R 5,010.09

AZ Instrument Corp.Salinity/TDS Pen

R 961.02 R 1,478.40

AZ Instrument Corp.Salinity Pen

R 1,478.40

Conductivity and TDS Pen - eucatech Store

AZ Instrument Corp.Conductivity and TDS Pen

R 1,388.80

SX1308 The Things Indoor USB Gateway - eucatech Store

Seeed Studio SX1308 The Things Indoor USB Gateway

R 3,539.20

SC203 Cond/EC/TDS Sensor - eucatech Store

Seeed Studio SC203 Cond/EC/TDS Sensor

R 6,227.20

Seeed Studio SX1301 LoRaWAN Gateway

R 14,291.20

RS485 MODBUS-RTU Sensor Hub 4G Data Logger - eucatech Store

Seeed Studio RS485 MODBUS-RTU Sensor Hub 4G Data Logger

From R 9,140.27

AZ Instrument Corp.ORP Pen Quality Tester

R 2,240.00

ORP & pH Quality Tester - eucatech Store

AZ Instrument Corp.ORP & pH Quality Tester

R 7,302.40

AZ Instrument Corp.ORP Quality Tester

R 5,420.80

pH Meter Quality Tester - eucatech Store

AZ Instrument Corp.pH Meter Quality Tester

R 3,712.00

pH Testing Pen Quality Tester - eucatech Store

AZ Instrument Corp.pH Testing Pen Quality Tester

R 725.34

AZ Instrument Corp.Conductivity Pen

R 1,299.20

Cond USB Water Quality Meter - eucatech Store

AZ Instrument Corp.Cond USB Water Quality Meter

From R 2,195.20

Digital Benchtop Water Quality Meter - eucatech Store

AZ Instrument Corp.Digital Benchtop Water Quality Meter

R 7,481.60

Combo Water Quality Tester - eucatech Store

AZ Instrument Corp.Combo Water Quality Tester

From R 1,657.60

Onset MicroRX Station

From R 27,417.60

Water Temp TidbiT v2 Data Logger - eucatech Store

Onset Water Temp TidbiT v2 Data Logger

R 4,845.57

U30 USB Weather Station - eucatech Store

Onset U30 USB Weather Station

R 18,278.40

Dissolved Oxygen USB Data Logger - eucatech Store

Onset Dissolved Oxygen USB Data Logger

R 41,126.40

Salt Water Cond/Salinity Data Logger - eucatech Store

Onset Salt Water Cond/Salinity Data Logger

R 27,722.24

HOBO Fresh Water Conductivity Data Logger - eucatech Store

Onset HOBO Fresh Water Conductivity Data Logger

R 27,722.24

Water Temp Data Logger Pro v2 - eucatech Store

Onset Water Temp Data Logger Pro v2

R 4,558.85

Water Level Data Logger - eucatech Store

Onset Water Level Data Logger

R 10,967.04

Titanium 3m Water Level Data Logger - eucatech Store

Onset Titanium 3m Water Level Data Logger

R 21,629.44