Hardware & Probes

Buy modules and probes individually, grouped by what you want to measure.

💥 Conductivity (EC)

Lab Conductivity Probe K1

A conductivity probe for use in a lab setting Connector Male BNC Cable Length 1 meters Measurement Range 1 uS/cm — 10 mS/cm (when using Mod-EC) Dimensions 12x155mm Materials Glass body with black platinum electrodes Cell-constant K1±0.2

$50.00

Industrial Conductivity Probe K1

A ruggedized conductivity probe with an embedded 10K NTC temperature sensor Connector pin terminals Cable Length 3 meters Measurement Range 100 uS/cm — 10 mS/cm (when using Mod-EC) Dimensions 30x133 mm, 3/4" NPT threads Materials Nylon threaded end, 316L stainless steel electrode Cell-constant K1 Connections Both EC and NTC use two wires, neither set is polarized White-capped wires are NTC Gray-capped wires are EC

$140.00

Mod-EC

Add the ability to measure EC to your custom hardware application with a fully digital I2C interface Specifications 💬 Interface I²C 🎯 Accuracy ±0.01 mS/cm in a range of 0.1 mS/cm to 1 mS/cm ±0.1 mS/cm in a range of 1 mS/cm to 10 mS/cm temperature compensated ↕️ Calibration single, double, triple point routines on-chip ⚡ Voltage 3.3v ⏱️ Time 750 ms/reading Development Developer page for Arduino, Raspberry Pi, and Home Assistant/ESPHome example code and wiring Options Pins pre-soldered pins for use in a breadboard Castellations for use in a custom-made board to permanently mount the module

from $35.00

Hydroponic Monitoring Kit

Everything needed to measure pH and EC for hydroponic devices. Includes carrier board, isolated sensor modules, temperature sensor, and industrial probes. Home Assistant YAML makes it easy to integrate into your system. Measures Hardware Water nutrient level Isolated mod-EC Water pH Isolated mod-pH

$378.00

Hydroponic/Aeroponic Kit

Everything needed to measure nutrient levels, pH and temperature, just add a controller and box Measures Hardware nutrient level Isolated - mod-EC - Industrial EC Probe pH Isolated - mod-pH - Industrial pH Probe Temperature mod-NTC - Industrial EC Probe NTC Board isolated sensor modules permanently mounted screw terminals for secure connections mounting holes in all four corners for mounting in an enclosure open-source for easy custom board development Probes comes with industrial probes suitable for constant submersion connections are terminal block plug&socket Industrial EC Probe has an embedded temperature sensor for simplified deployment Development Developer page for Arduino, Raspberry Pi, and Home Assistant/ESPHome example code and wiring Downloads 3D Viewer and file exporter

from $160.00

Lab Kit

Measure the most common water-quality parameters Measures Hardware EC Isolated - mod-EC - Lab EC Probe pH Isolated - mod-pH - Lab pH Probe ORP Isolated - mod-ORP - Lab ORP Probe Temperature mod-NTC - 10K NTC Board isolated sensor modules permanently mounted screw terminals for secure connections mounting holes in all four corners for mounting in an enclosure open-source for easy custom board development Probes comes with lab probes for quicker and more accurate measurements All probes have BNC connectors, the board has SMA-BNC adapter bulkheads which allow easy enclosure pass-through connections Development Developer page for Arduino, Raspberry Pi, and Home Assistant/ESPHome example code and wiring Downloads 3D Viewer and file exporter

from $220.00

Freshwater Aquarium Kit

Everything needed to monitor the major water quality parameters for a freshwater aquarium Measures Hardware EC Isolated - mod-EC - Lab EC Probe pH Isolated - mod-pH - Lab pH Probe Temperature mod-NTC - 10K NTC Board isolated sensor modules permanently mounted screw terminals for secure connections mounting holes in all four corners for mounting in an enclosure open-source for easy custom board development Probes comes with lab probes for minimal size all probes have BNC connectors, the board has SMA-BNC adapter bulkheads which allow easy enclosure pass-through connections Development Developer page for Arduino, Raspberry Pi, and Home Assistant/ESPHome example code and wiring Downloads 3D Viewer and file exporter

from $160.00

🧪 pH

Lab pH Probe + Calibration Powder

A pH probe for use in a lab setting Connector Male BNC Cable Length 1 meters Measurement Range 0 - 14 pH Dimensions 12x155mm Materials Nylon Response time 90% in 1 second

$40.00

Industrial pH Probe

A ruggedized pH probe for continuous submersion Connector pin terminals Cable Length 3 meters Measurement Range 0 - 14 pH Dimensions 30x133 mm, 3/4" NPT threads Materials Nylon Response Time 90% by 7 seconds Connections yellow-capped wire is the sensing electrode black-capped wire is the reference electrode

$130.00

Mod-pH

Add the ability to measure pH to your hardware application with a fully digital I2C interface Specifications 💬 Interface I²C 🎯 Accuracy ±0.005 pH over the entire pH range of 0-14 pH temperature compensated ↕️ Calibration single, double, and triple point routines on-chip ⚡ Voltage 3.3v ⏱️ Time 750 ms/reading Development Developer page for Arduino, Raspberry Pi, and Home Assistant/ESPHome example code and wiring Options Pins pre-soldered pins for use in a breadboard Castellations for use in a custom-made board to permanently mount the module

from $35.00

Hydroponic Monitoring Kit

$378.00

Lab pH Probe

A pH probe for use in a lab setting Connector Male BNC Cable Length 1 meters Measurement Range 0 - 14 pH Dimensions 12x155mm Materials Nylon Response time 90% by 1 second

$40.00

Hydroponic/Aeroponic Kit

from $160.00

Pool/Spa Kit

Everything needed to monitor a pool or spa Measures Hardware pH Isolated - mod-pH - Industrial pH Probe ORP Isolated - mod-ORP - Industrial ORP Probe Temperature Thermowell Temperature Sensor Board isolated sensor modules permanently mounted screw terminals for secure connections mounting holes in all four corners for mounting in an enclosure open-source for easy custom board development Probes comes with industrial probes suitable for constant submersion connections are terminal block plug&socket Development Developer page for Arduino, Raspberry Pi, and Home Assistant/ESPHome example code and wiring Downloads 3D Viewer and file exporter

from $130.00

Lab Kit

from $220.00

Freshwater Aquarium Kit

from $160.00

⚡ ORP

Lab ORP Probe

An ORP probe for use in a lab setting Connector Male BNC Cable Length 1 meters Measurement Range -2000mV - 2000mV Dimensions 12x155mm Materials Nylon Response time 90% by 7 second

$50.00

Industrial ORP Probe

A ruggedized ORP probe for continuous submersion Connector pin terminals Cable Length 3 meters Measurement Range -2000mV - 2000mV Dimensions 30x133 mm, 3/4" NPT threads Materials Nylon Response Time 90% by 7 seconds Connections yellow-capped wire is the sensing electrode black-capped wire is the reference electrode

$130.00

Mod-ORP

Add the ability to measure ORP to your hardware application with a fully digital I2C interface Specifications 💬 Interface I²C 🎯 Accuracy ±0.1 mV between -2230 to 2230 mV ↕️ Calibration single-point routine on-chip ⚡ Voltage 3.3v ⏱️ Time 750 ms/reading Development Developer page for Arduino, Raspberry Pi, and Home Assistant/ESPHome example code and wiring Options Pins pre-soldered pins for use in a breadboard Castellations for use in a custom-made board to permanently mount the module

from $35.00

Pool/Spa Kit

from $130.00

🌡️ Temperature

DS18B20 Probe

Waterproof DS18B20 1-Wire temperature probe Connector bare wire Cable Length 1 meters Measurement Range 5 - 60 °C (41 - 150 °F) Materials Stainless steel shell Response time 750 ms/reading

from $15.00

Weatherproof SHT30

Measure temperature and humidity with a Sensiron SHT30 sensor in weatherproof housing

$25.00

Thermowell Temperature Sensor

A DS18B20 1-Wire digital temperature sensor housed in a 1 inch NPT threaded stainless steel thermowell Connector bare wire Cable Length 1 meters Measurement Range 5 - 60 °C (41 - 150 °F) Dimensions 1 inch NPT threaded body Materials Stainless steel shell Response time 750 ms/reading

$20.00

Hydroponic Monitoring Kit

$378.00

Mod-NTC

Add the ability to measure a 10K NTC temperature sensor to your hardware application with a fully digital I2C interface Specifications 💬 Interface I²C 🎯 Accuracy Resolution 0.125 °C no self-heating error ↕️ Calibration Configurable beta calibration ⚡ Voltage 3.3v ⏱️ Time 150 ms/reading Development Developer page for Arduino, Raspberry Pi, and Home Assistant/ESPHome example code and wiring Options Pins pre-soldered pins for use in a breadboard Castellations for use in a custom-made board to permanently mount the module

from $30.00

Waterproof 10K NTC

A waterproof 10K NTC temperature sensor. Accurate to within ±1% for ranges between -40 to 105 °C. Datasheet

from $12.00

Weatherproof SHT30

Measure temperature and humidity with a Sensiron SHT30 sensor in weatherproof housing Connector bare wire Cable Length 1 meters Measurement Range ±0.3% °C temperature accuracy from 0°C to 65°C ±3% RH humidity accuracy from 0 to 100% Materials Epoxy-sealed electronics Sintered-mesh enclosure for weatherproofing

$25.00