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  • New item   Smart temperature sensor | for TH Origin/TH Elite | -40-+115°C | with 1.5m cable | black | SONOFF | WTS01
    New item   Smart temperature sensor | for TH Origin/TH Elite | -40-+115°C | with 1.5m cable | black | SONOFF | WTS01 1

    Smart temperature sensor | for TH Origin/TH Elite | -40-+115°C | with 1.5m cable | black | SONOFF | WTS01

    Code: WTS01
    Barcode: 6920075740486
    Inquire about this item
    Price 5.11 € VAT incl.
    ( 4.23 € VAT excl. )

    SONOFF WTS01 is a waterproof temperature probe (-40…+115 °C, ±0.5 °C) with a 1.5 m cable and an RJ9 connector. Designed for SONOFF THR316 and THR320 controllers – for water tanks, aquariums, greenhouses and frost protection.

  • Product description

    Smart temperature sensor | for TH Origin/TH Elite | -40-+115°C | with 1.5m cable | black | SONOFF | WTS01

    SONOFF WTS01 is a waterproof temperature probe with a 1.5 m cable and an RJ9 connector for SONOFF THR316 and THR320 (TH Origin / TH Elite) controllers. It measures temperature from -40 to +115 °C – air, water or surfaces.

    Key idea:
    The wide range and sealed probe let a THR controller manage not only room heating but also the temperature of a water heater, aquarium or greenhouse soil.
    Range
    -40 … +115 °C
    Accuracy
    ±0.5 °C (-10…+85 °C)
    Connector
    RJ9
    Cable
    1.5 m

    How it works

    The probe connects to THR316 or THR320 via the RJ9 connector and is powered by the controller.

    The sealed probe is placed at the measuring point: in air, water, a pipe pocket or soil.

    The controller displays the temperature, sends it to eWeLink and in automatic mode switches heating, cooling or a pump on or off by limits.

    Why choose WTS01?
    One probe suits many tasks – from frost protection to water heating control – and ±0.5 °C accuracy allows temperature to be maintained precisely.

    Technical specifications

    Product type Waterproof temperature probe for THR-series controllers
    Manufacturer / model SONOFF WTS01
    Measuring range -40 … +115 °C
    Accuracy ±0.5 °C (within -10 … +85 °C)
    Connector RJ9
    Cable length 1.5 m
    Probe dimensions 50 × 6 × 6 mm
    Compatibility SONOFF THR316, THR320, THR316D, THR320D
    App eWeLink (via THR controller)
    Colour black

    Main functions

    • Wide temperature range – from -40 to +115 °C.
    • Waterproof probe – measurement in water or damp environments.
    • Automatic control – THR controls heating or cooling by limits.
    • Data in the app – temperature history in eWeLink.
    • Simple connection – RJ9 plug without tools.
    • Long cable – 1.5 m to the measuring point.

    Where is it used?

    • Water heaters and tanks
    • Aquariums and ponds
    • Greenhouses and soil
    • Pipe frost protection
    • Sauna rooms (probe away from the stove)
    • Fridges and cold rooms

    Use by need

    For homeowners.
    THR maintains the desired water or room temperature automatically.
    For farm owners.
    Temperature control in a greenhouse or storage with notifications.
    For electricians.
    A universal probe connected without tools to THR controllers.

    Practical use

    If water in a buffer tank should be kept at 55 °C, WTS01 is placed in the tank pocket and connected to THR320, which controls the electric heater: below 50 °C – on, at 55 °C – off.

    Pros

    • Wide -40…+115 °C range
    • Waterproof probe
    • Accuracy ±0.5 °C
    • Simple RJ9 connection
    • 1.5 m cable

    Cons / limitations

    • Fits only THR-series controllers
    • Not for TH16 with a 2.5 mm jack
    • Does not measure humidity
    • The probe must not be placed directly in fire or on heating elements

    Safety and installation notes

    • Connect the sensor only to a compatible THR controller
    • Keep the controller and connectors in a dry place
    • Do not exceed the +115 °C measuring limit
    • Protect the cable from hot surfaces and mechanical damage
    • For critical systems also use an independent safety thermostat

    Quick selection guide

    -40…+115 °C
    ±0.5 °C
    Waterproof
    RJ9 connector
    1.5 m cable
    THR316 / THR320
    Suitable when you need:
    • measure water or tank temperature
    • protect pipes from freezing
    • control heating or cooling via THR
    Check before use:
    • whether you have a THR316 or THR320 controller
    • the distance to the measuring point (up to 1.5 m)
    • the temperature of the measured medium
    • whether humidity measurement is needed (then THS01)
    Important reminder: WTS01 does not fit TH16 and TH10 controllers – they use 2.5 mm sensors.

    FAQ

    Which controllers is it compatible with?
    SONOFF THR316, THR320 and their D versions.
    Can it be immersed in water?
    Yes, the probe is waterproof, but the connector and controller must stay dry.
    What is the range?
    From -40 to +115 °C.
    What is the accuracy?
    ±0.5 °C within -10 to +85 °C.
    Does it measure humidity?
    No, choose THS01 for humidity.
    Does it fit TH16?
    No, TH16 uses 2.5 mm sensors such as SI7021.

    Smart temperature sensor | for TH Origin/TH Elite | -40-+115°C | with 1.5m cable | black | SONOFF | WTS01

    SONOFF WTS01 is a waterproof temperature probe -40…+115 °C with a 1.5 m cable and RJ9 connector for THR316 and THR320 controllers: for water, air and soil temperature control.

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.

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