DS18B20, the waterproof temperature sensor that you're looking for

Interfacing DS18B20 1-Wire Digital Temperature Sensor with Arduino

Does anyone know what this sensor is? : r/homeautomation

DS18B20 Temperature Sensor - Espruino

Waterproof DS18B20 Digital Temperature Sensor for Arduino - DFRobot

DS18B20 Stainless steel package 1 meter waterproof temperature

Waterproof probe with temperature sensor DS18B20 Botland - Robotic

DS18B20 Waterproof Temperature Sensor

Usable with 3.0V to 5.5V power/data. Stainless steel tube 6mm diameter by 35mm long. ±0.5°C Accuracy from -10°C to +85°C. Uses 1-Wire interface- requires only one digital pin for communication.

DFRobot DFR0198 DS18B20 Waterproof Digital Temperature Sensor

DS18B20 Temperature Sensor - Waterproof Digital Thermal Probe Temp

Waterproof Ds18b20 Temperature Temp Sensor Digital Thermal Probe

DS18B20 Waterproof Digital Temperature Sensor - SCL Tronics

Waterproof DS18B20 Digital Temperature Sensor for Arduino - DFRobot