Sonoff Waterproof Temperature Sensor (RJ9 connector)
Reliable temperature control in any conditions
This sensor – is a professional tool for accurate temperature measurement in high-humidity environments or when fully submerged in water. Thanks to the RJ9 (4P4C) connector, it connects instantly to Sonoff TH series smart relays (TH10/16, TH Origin/Elite) and becomes part of your automation system. The sensor housing is fully sealed, which ensures a long service life even in the most demanding conditions, whether you are controlling aquarium water temperature or monitoring coolant in a heating system.
Why choose the Sonoff waterproof sensor:
Full protection (IP68): The sensor withstands submersion in water and operation in high humidity.
Remote format: The long cable lets you place the sensor directly in a liquid container while keeping the Sonoff relay in a safe, dry place.
Easy connection: The RJ9 connector ensures a secure fit and instant detection by the relay, with no manual setup required.
Scenario integration: Set up automatic heater activation via the eWeLink app if the temperature in your pool or aquarium drops below the norm.
High accuracy: A quality sensor delivers the stable readings needed for critical climate control tasks.
Weight
36.0 lb
Dimensions
110 × 40 × 20 in
Weight with packaging
38 g
Weight without packaging
38 g
Type
Waterproof temperature sensor
Probe
Stainless steel temperature sensor
WTS01 operating temperature
'-40~115℃
Power source
3.0-5.5 V
WTS01 length
150 cm
Jack type
RJ9 4P4C
Delivery
Courier delivery in Tashkent. Delivery method and cost are selected at checkout; the manager will agree on the time.
Pickup from the showroom. Address and opening hours – in the section "Contacts".
Other cities in Uzbekistan. The manager will confirm shipping terms after you place the order.
Payment for individuals
Cash or card to the courier upon delivery.
By Uzcard, Humo, Visa, Mastercard or Union Pay cards via the terminal in the showroom.
Online card payment when placing an order on the website.
Payment for legal entities
Bank transfer based on a contract and invoice.
Payment by corporate card.
Dealers and partners place orders in the B2B portal at their own prices.
How online payment works
After placing your order, you are taken to the secure page of the payment system, where you enter your card details. If your card is enrolled in 3D-Secure, the bank will request a confirmation code. Card details are not passed to the website: the payment is processed on the bank's side under the PCI DSS standard, and the connection is encrypted.
After payment, the order appears in your personal account, and a manager will contact you to confirm the order contents and delivery.