{"product_id":"ecowitt-temperature-humidity-sensor-with-heater-compensation-ws90","title":"Ecowitt WS90 Temperature \u0026 Humidity Sensor with Heater Compensation","description":"\u003cp\u003eNot required as an upgrade for the WS90s purchased after October 2025, but suitable for WS90s prior to this as an upgrade or replacement item. \u003cstrong\u003eThe WS90 MUST be running firmware v1.4.0 or above.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHarsh environment replacement sensor for the newer WS90 WittBoy outdoor sensor array. Designed specifically for use with the WS90 where a heater is used for ice removal and in extreme environments with a new filter cap and ceramic shield protecting the sensor and further outer secondary shield\u003c\/p\u003e\n\u003cp\u003ePlease ensure that your existing WS90 sensor is the new keyed style sensor with \u003cspan style=\"color: #2b00ff;\"\u003e\u003cstrong\u003eblue\u003c\/strong\u003e\u003c\/span\u003e socket to ensure compatibility by removing the lower sections of the radiation shield.\u003c\/p\u003e\n\u003cp\u003eEasily replaced part by removing three screws on the underside of the heat shield and removing the lower plates. Ensure that you do not handle the sensor with bare hands to prevent contamination and only touch the edges of the sensor or plug when installing.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eInstructions for installation in the WS90 included with sensor.\u003c\/p\u003e","brand":"Ecowitt","offers":[{"title":"Default Title","offer_id":54915285254522,"sku":"ECO-WH90MTH-004","price":22.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0118\/0375\/4592\/files\/Ecowitt_Temperature___Humidity_Sensor_with_Heater_Compensation__WS90-compressed.webp?v=1779124752","url":"https:\/\/www.weatherspares.co.uk\/products\/ecowitt-temperature-humidity-sensor-with-heater-compensation-ws90","provider":"Weather Spares®","version":"1.0","type":"link"}