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Typical Applications and Selection Guide for pH and Redox Measurements
Electrodes and sensors are key components for accurate measurement of pH values and redox potentials in various applications. To help you find the right sensors for your measurement tasks, we offer a practical selection guide with typical use cases and important criteria.

Typical applications:

  • Monitoring water quality in drinking and wastewater systems
  • Process control in chemical and pharmaceutical industries
  • Control and regulation in food and beverage production
  • Environmental analytics and water body monitoring
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pH Pool Professional HT electrode with black housing and sensor tip, front view, temperature range 0-80°C, suitable for swimming pools, water treatment, drinking water, boiler feed water, municipal sewage treatment plants
pH Pool Professional HT 0-80°C
Product number: 891338
Maximum medium temperature: 0 - 80 °C

This electrode is suitable for swimming pools, water treatment, drinking water, boiler feed water and municipal sewage treatment plants.

Price on request
Details
Redox Pool Professional 0-60°C electrode front view with 1 metre cable for swimming pools and industrial use
Redox Pool Professional 0-60°C with 1 metre cable
Product number: 891346
Cable length: 1 meter | Maximum medium temperature: 0 - 60 °C

This electrode is for swimming pools and industrial water treatment systems suitable.

Price on request
Details
Redox Pool Professional electrode with white housing and long cable, front view, 3 metre cable visible, measuring sensor for swimming pools and industrial use, temperature range 0-60°C
Redox Pool Professional 0-60°C with 3 metre cable
Product number: 891337
Cable length: 3 meters | Maximum medium temperature: 0 - 60 °C

This electrode is for swimming pools and industrial water treatment systems suitable.

Price on request
Details
Close-up of Select connection cable Robust insulation for secure electrical connection
Select connection cable
Product number: 890804
Cable length: 6 meters | The cable is connected to Select : ORP

€212.75*
Details
Select Electronics Module 4-20mA Front view of compact head transmitter for conductivity measurement
Select Electronic-Module 4-20mA conductivity (0-1.000µS, head transmitter)
Product number: 890798
Head transmitter: 4-20 mA ( = 0- 1.000 µS/cm) | Measured parameter: EC

€463.50*
Details
Technical drawing of Select electronics module 4-20mA conductivity (0-10,000µS, head transmitter), dimensions and product information
Select Electronic-Module 4-20mA conductivity (0-10.000µS, head transmitter)
Product number: 890818
Head transmitter: 4-20 mA ( = 0- 10.000 µS/cm) | Measured parameter: EC

€463.50*
Details
Select electronic module conductivity Modbus, head transmitter with Modbus RTU
Select Electronic-Module Conductivity Modbus (head transmitter)
Product number: 890820
Head transmitter: Modbus 12-24 VDC | Measured parameter: EC

€463.50*
Details
Select Electronics Module Redox 4-20mA Head Transmitter for precise redox signal transmission
Select Electronic-Module ORP 4-20mA (head transmitter)
Product number: 890813
Head transmitter: 4-20 mA | Measured parameter: ORP

€549.25*
Details
Select Electronics Module Redox Modbus Head Transmitter Front View with Digital Display
Select Electronic-Module ORP Modbus (head transmitter)
Product number: 890815
Head transmitter: Modbus 12-24 VDC | Measured parameter: ORP

€549.25*
Details
Select Electronics Module pH 4-20mA Head Transmitter Front View
Select Electronic-Module pH 4-20mA (head transmitter)
Product number: 890805
Head transmitter: 4-20 mA | Measured parameter: pH

€463.25*
Details
Select Electronics Module pH Modbus Head Transmitter Front View
Select Electronic-Module pH Modbus (Head Transmitter)
Product number: 890809
Head transmitter: Modbus 12-24 VDC | Measured parameter: pH

€463.25*
Details
Select Redox Standard 4-20 mA, black immersion probe in front view, integrated 4-20 mA module
Select ORP Standard 4-20mA
Product number: 890848
Cable length: 6 meters

A ORP sensor from the NeoTec Select Standard product range with 4 - 20 mA module permanently encapsulated in the sensor body.Advantages:Preconfigured for NeoTecMaster® Industry standard Can be used as immersion probe

€786.25*
Details
Select Redox Standard 4 20 mA immersion probe, compatible with NeoTecMaster
Select ORP Standard 4-20mA
Product number: 890847
Cable length: 3 meters

A ORP sensor from the NeoTec Select Standard product range with 4 - 20 mA module permanently encapsulated in the sensor body.Advantages:Preconfigured for NeoTecMaster® Industry standard Can be used as immersion probe

€736.75*
Details
Select Redox Standard Modbus 12 24 VDC sensor housing, front view with cable connection, industrial Modbus
Select ORP Standard Modbus 12-24 VDC
Product number: 890843
Cable length: 3 meters

The ORP sensor from the NeoTec Select Standard product range with Modbus module permanently encapsulated in the sensor body.Advantages:Preconfigured for NeoTecMaster® Industry standard Can be used as immersion probe

€736.75*
Details
Select Redox Standard Modbus immersion probe with integrated Modbus body
Select ORP Standard Modbus 12-24 VDC
Product number: 890844
Cable length: 6 meters

The ORP sensor from the NeoTec Select Standard product range with Modbus module permanently encapsulated in the sensor body.Advantages:Preconfigured for NeoTecMaster® Industry standard Can be used as immersion probe

€768.50*
Details
Select Redox electrode with durable plastic shaft and pressure/temperature resistance up to 7.5 bar, for industrial redox water analysis
Select ORP- Electrode
Product number: 890812

€412.25*
Details
Select pH Redox Electrode Adapter, durable adapter for a wide range of pH and redox applications
Select pH / ORP Electrode Adapter
Product number: 890823
Measuring resistor (temperature sensor): without

€238.00*
Details
Select pH Redox Electrodes Pt100 Adapter, compact electrode adapter for pH and redox measurements
Select pH / ORP Electrode PT100 Adapter
Product number: 890802
Measuring resistor (temperature sensor): PT100

€287.25*
Details
Select pH Redox Electrodes Pt1000 Adapter, compact electrode adapter for pH and redox sensors
Select pH / ORP Electrode PT1000 Adapter
Product number: 890801
Measuring resistor (temperature sensor): PT1000

€287.25*
Details
Select pH Standard 4-20 mA immersion probe with integrated 4–20 mA module and cable end
Select pH Standard 4-20mA
Product number: 890845
Cable length: 3 meters

A pH sensor from the NeoTec Select Standard product range with 4 - 20 mA module permanently encapsulated in the sensor body.Advantages:Preconfigured for NeoTecMaster® Industry standard Can be used as immersion probe

€722.75*
Details
Select pH Standard 4 20 mA immersion sensor, cylindrical body, stable housing
Select pH Standard 4-20mA
Product number: 890846
Cable length: 6 meters

A pH sensor from the NeoTec Select Standard product range with 4 - 20 mA module permanently encapsulated in the sensor body.Advantages:Preconfigured for NeoTecMaster® Industry standard Can be used as immersion probe

€740.00*
Details
Select pH Standard Modbus 12–24 VDC Sensor body with cable attachment, robust housing, immersion probe
Select pH Standard Modbus 12-24 VDC
Product number: 890839
Cable length: 3 meters

A pH sensor from the NeoTec Select Standard product range with Modbus modul encapsulated in the sensor body.Advantages:Preconfigured for NeoTecMaster® Industry standard Can be used as immersion probe

€708.25*
Details
Select pH Standard Modbus immersion probe with integrated Modbus module and cable connection
Select pH Standard Modbus 12-24 VDC
Product number: 890840
Cable length: 6 meters

A pH sensor from the NeoTec Select Standard product range with Modbus modul encapsulated in the sensor body.Advantages:Preconfigured for NeoTecMaster® Industry standard Can be used as immersion probe

€740.00*
Details
Select pH electrode, side view with double membrane, chemically resistant diaphragm electrode
Select pH- probe with double diaphragm
Product number: 890822
Conductivity in the medium: >50 µS/cm

€353.00*
Details
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