Environmental (temperature, humidity, air quality)
Browse our range of environmental sensors for monitoring temperature, humidity, barometric pressure, and air quality. From thermistors and digital temperature probes to multi-function breakout boards measuring gas and weather conditions, you'll find sensors compatible with Arduino, Raspberry Pi, and other popular platforms.
Ideal for weather stations, IoT projects, STEM education, and industrial monitoring. Whether you're a hobbyist, student, or professional, we ship across Australia from our local warehouse.
AM2301B - Wired Enclosed AHT20 - Temperature and Humidity Sensor
SKU: AF-5181 | Brand: Adafruit
The AM2301B is an affordable enclosed temperature and humidity sensor featuring an I2C interface — a modern upgrade over the classic DHT22/AM2302 sensors that required bit-bang timing protocols. Inside is the proven A...
Delivered by Tue 23 Jun
Thermocouple Type-K Glass Braid Insulated Stainless Steel Tip
SKU: AF-3245 | Brand: Adafruit
Thermocouples are best used for measuring temperatures that can go above 100°C. This is a bare wires stainless-steel tip probe which can measure air or surface temperatures. Most inexpensive thermocouples have a vi...
Delivered by Tue 23 Jun
Thermocouple Type-K - Stainless Steel
SKU: SF-SEN-13715 | Brand: SparkFun
This is a stainless steel, Type-K Thermocouple probe. A thermocouple works by taking two wires made of dissimilar metals, connecting them at the two ends, and making a temperature gradient between one end and the othe...
Delivered by Thu 2 Jul
Thermocouple Type-K Glass Braid Insulated [K]
SKU: AF-270 | Brand: Adafruit
A Type-K thermocouple with fiberglass braid insulation, rated to 500°C — far beyond the ~200°C limit of standard vinyl-insulated thermocouples. The bare bead probe design is suited to measuring both air and surface te...
Delivered by Tue 23 Jun
AM2315C - Encased I2C Temperature/Humidity Sensor
SKU: AF-5182 | Brand: Adafruit
The AM2315C is an enclosed I2C temperature and humidity sensor featuring the modern AHT20 sensor inside a rugged housing with mounting bracket. It offers the same convenient form factor as the original AM2315 but with...
Delivered by Mon 13 Jul
Water Leak Detector
SKU: DF-SEN0454 | Brand: DFRobot
A relay-output water leak detector with NO/NC (normally open/normally closed) switching. When water contacts the two sensing probes, the built-in relay triggers — suitable for activating alarms or shutting off equipme...
Delivered by Thu 2 Jul
Thermocouple Type-K Glass Braid Insulated - 5m
SKU: AF-3895 | Brand: Adafruit
Thermocouples are best used for measuring temperatures that can go above 100°C. This is a bare-wire bead-probe which can measure air or surface temperatures. Most inexpensive thermocouples have a vinyl covering whi...
Delivered by Mon 13 Jul
Thermocouple Type-K - Glass Braid Insulated (Bare Wire)
SKU: SF-SEN-00251 | Brand: SparkFun
36" high temperature Type-K Thermocouple with glass braid insulation.
Delivered by Tue 23 Jun
High Temp Waterproof DS18B20 Digital temperature sensor + extras
SKU: AF-642 | Brand: Adafruit
This is a pre-wired and waterproofed version of the DS18B20 sensor made with a PTFE wire cable. Handy for when you need to measure something far away, or in wet conditions. This sensor is a little more expensive th...
Delivered by Mon 13 Jul