{"title":"CO₂ Sensors \u0026 Transmitters","description":"\u003cp\u003eCarbon dioxide sensors and transmitters for HVAC, environmental monitoring, cold storage, clean rooms and industrial applications.\u003c\/p\u003e","products":[{"product_id":"ems-kontrol-kt-5xx-temperature-humidity-co-transmitter","title":"EMS Kontrol KT-5XX Temperature, Humidity \u0026 CO₂ Transmitter","description":"\u003cp\u003eThe EMS Kontrol KT-5XX combines temperature, relative humidity and carbon-dioxide measurement in one transmitter for HVAC, indoor-air-quality and environmental monitoring systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e12-24 V DC supply\u003c\/li\u003e\n\u003cli\u003eOutputs: 0-10 V, 2-10 V, 0-3 V, 4-20 mA, 0-20 mA or Modbus RTU\u003c\/li\u003e\n\u003cli\u003eTemperature: 0-50 °C or -20...+80 °C\u003c\/li\u003e\n\u003cli\u003eHumidity: 0-100 %RH\u003c\/li\u003e\n\u003cli\u003eCO₂: 0-5,000 ppm or 0-10,000 ppm\u003c\/li\u003e\n\u003cli\u003eCO₂ accuracy: ±50 ppm +2%\u003c\/li\u003e\n\u003cli\u003eIP67 enclosure, excluding sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/emskontrol.com\/wp-content\/uploads\/2026\/05\/KT-5X1-26.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload KT-5XX datasheet\u003c\/a\u003e\u003c\/p\u003e","brand":"EMS Kontrol","offers":[{"title":"Request a Quote","offer_id":67992513872023,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/0088\/0535\/files\/upload-1790844114767.png?v=1790844116"},{"product_id":"ems-kontrol-kt-6xx-display-temperature-humidity-co-transmitter","title":"EMS Kontrol KT-6XX Display Temperature, Humidity \u0026 CO₂ Transmitter","description":"\u003cp\u003eThe EMS Kontrol KT-6XX is a display transmitter combining temperature, relative humidity and carbon-dioxide measurement for HVAC, indoor-air-quality and controlled-environment applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIntegrated display\u003c\/li\u003e\n\u003cli\u003e12-24 V DC supply\u003c\/li\u003e\n\u003cli\u003eOutputs: 0-10 V, 2-10 V, 0-3 V, 4-20 mA, 0-20 mA or Modbus RTU\u003c\/li\u003e\n\u003cli\u003eTemperature: 0-50 °C or -20...+80 °C\u003c\/li\u003e\n\u003cli\u003eHumidity: 0-100 %RH\u003c\/li\u003e\n\u003cli\u003eCO₂: 0-5,000 ppm or 0-10,000 ppm\u003c\/li\u003e\n\u003cli\u003eCO₂ accuracy: ±50 ppm +2%\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/emskontrol.com\/wp-content\/uploads\/2026\/05\/KT-6X1-26.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload KT-6XX datasheet\u003c\/a\u003e\u003c\/p\u003e","brand":"EMS Kontrol","offers":[{"title":"Request a Quote","offer_id":67992513970327,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/0088\/0535\/files\/upload-1790844121704.png?v=1790844123"},{"product_id":"ems-kontrol-kt-3x1-co-transmitter","title":"EMS Kontrol KT-3X1 CO₂ Transmitter","description":"\u003cp\u003eThe EMS Kontrol KT-3X1 measures carbon dioxide for HVAC, indoor-air-quality and controlled-environment applications and converts the measured value to standard analogue or Modbus RTU outputs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e12-24 V DC supply\u003c\/li\u003e\n\u003cli\u003e0-10 V, 2-10 V, 0-3 V, 4-20 mA, 0-20 mA or Modbus RTU outputs\u003c\/li\u003e\n\u003cli\u003e0-5,000 ppm or 0-10,000 ppm ranges\u003c\/li\u003e\n\u003cli\u003e±10 ppm sensitivity\u003c\/li\u003e\n\u003cli\u003e±50 ppm +2% accuracy\u003c\/li\u003e\n\u003cli\u003eWall, duct and IP-socket versions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/emskontrol.com\/wp-content\/uploads\/2026\/05\/KT-3X1-26.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload KT-3X1 datasheet\u003c\/a\u003e\u003c\/p\u003e","brand":"EMS Kontrol","offers":[{"title":"Request a Quote","offer_id":67992514494615,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/0088\/0535\/files\/upload-1790849146897.png?v=1790849148"},{"product_id":"ems-kontrol-kt-3x9-high-range-co-transmitter","title":"EMS Kontrol KT-3X9 High-Range CO₂ Transmitter","description":"\u003cp\u003eThe EMS Kontrol KT-3X9 is a high-range carbon-dioxide transmitter for applications requiring CO₂ measurement up to 100% by volume.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e12-24 V DC supply\u003c\/li\u003e\n\u003cli\u003e0-10 V, 2-10 V, 0-3 V, 4-20 mA, 0-20 mA or Modbus RTU outputs\u003c\/li\u003e\n\u003cli\u003eMeasurement range: 0-100% vol CO₂\u003c\/li\u003e\n\u003cli\u003eSensitivity: ±0.2% vol\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±0.5% vol\u003c\/li\u003e\n\u003cli\u003eWall and duct probe versions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/emskontrol.com\/wp-content\/uploads\/2026\/05\/KT-3X9-26.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload KT-3X9 datasheet\u003c\/a\u003e\u003c\/p\u003e","brand":"EMS Kontrol","offers":[{"title":"Request a Quote","offer_id":67992514527383,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/0088\/0535\/files\/upload-1790849106937.png?v=1790849109"},{"product_id":"ems-kontrol-kt-4x1-co-transmitter-with-display","title":"EMS Kontrol KT-4X1 CO₂ Transmitter with Display","description":"\u003cp\u003eThe EMS Kontrol KT-4X1 combines carbon-dioxide measurement with a local digital display for HVAC and indoor-air-quality monitoring.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e12-24 V DC supply\u003c\/li\u003e\n\u003cli\u003eOutputs: 0-10 V, 2-10 V, 0-3 V, 4-20 mA, 0-20 mA or Modbus RTU\u003c\/li\u003e\n\u003cli\u003eCO₂ ranges: 0-5,000 ppm or 0-10,000 ppm\u003c\/li\u003e\n\u003cli\u003eSensitivity: ±10 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±50 ppm +2%\u003c\/li\u003e\n\u003cli\u003eIP67 enclosure, excluding sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/emskontrol.com\/wp-content\/uploads\/2026\/05\/KT-4X1-26-E.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload KT-4X1 datasheet\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eContact PVL for configuration and a project quote.\u003c\/p\u003e","brand":"EMS Kontrol","offers":[{"title":"Request a Quote","offer_id":67992534352023,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/0088\/0535\/files\/upload-1790849055054.png?v=1790849056"},{"product_id":"ems-kontrol-ks-419-portable-high-range-co-sensor","title":"EMS Kontrol KS-419 Portable High-Range CO₂ Sensor","description":"\u003cp\u003ePortable high-range carbon-dioxide instrument with internal battery and digital display.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCO₂ range: 0-100 % vol\u003c\/li\u003e\n\u003cli\u003eSensitivity: ±0.2 % vol\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±0.5 % vol\u003c\/li\u003e\n\u003cli\u003e12 V DC input\u003c\/li\u003e\n\u003cli\u003eIP67 enclosure, excluding sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/emskontrol.com\/wp-content\/uploads\/2026\/06\/KS-419-26-E.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload KS-419 datasheet\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eContact PVL for configuration and a project quote.\u003c\/p\u003e","brand":"EMS Kontrol","offers":[{"title":"Request a Quote","offer_id":67992535040151,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/0088\/0535\/files\/upload-1790845607537_c0cf7e21-33e2-48e1-91e0-5168c31ce0aa.png?v=1790845648"},{"product_id":"ems-kontrol-ks-415-portable-co-sensor","title":"EMS Kontrol KS-415 Portable CO₂ Sensor","description":"\u003cp\u003ePortable carbon-dioxide instrument for mobile indoor-air-quality and controlled-environment measurements.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCO₂ range: 0-4 % vol\u003c\/li\u003e\n\u003cli\u003eSensitivity: ±10 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±50 ppm +2%\u003c\/li\u003e\n\u003cli\u003eInternal battery\u003c\/li\u003e\n\u003cli\u003eIP67 enclosure, excluding sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/emskontrol.com\/wp-content\/uploads\/2026\/05\/KS-415-26-E.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload KS-415 datasheet\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eContact PVL for configuration and a project quote.\u003c\/p\u003e","brand":"EMS Kontrol","offers":[{"title":"Request a Quote","offer_id":67992535105687,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/0088\/0535\/files\/upload-1790849126304.png?v=1790849128"},{"product_id":"ems-kontrol-ks-612-portable-temperature-humidity-co-sensor","title":"EMS Kontrol KS-612 Portable Temperature, Humidity \u0026 CO₂ Sensor","description":"\u003cp\u003ePortable three-parameter instrument for temperature, relative humidity and carbon-dioxide measurement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTemperature: -20...+60 °C, ±0.3 °C\u003c\/li\u003e\n\u003cli\u003eHumidity: 0-100 %RH, ±3 %RH\u003c\/li\u003e\n\u003cli\u003eCO₂: 0-10,000 ppm, ±50 ppm +2%\u003c\/li\u003e\n\u003cli\u003eInternal battery and digital display\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/emskontrol.com\/wp-content\/uploads\/2026\/06\/KS-612-26-E.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload KS-612 datasheet\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eContact PVL for configuration and a project quote.\u003c\/p\u003e","brand":"EMS Kontrol","offers":[{"title":"Request a Quote","offer_id":67992535138455,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/0088\/0535\/files\/upload-1790845612942_b31edc96-82bd-4d7b-afd1-bdc4d8dfa711.png?v=1790845670"},{"product_id":"ems-kontrol-kt-4x9-high-range-co-transmitter-with-display","title":"EMS Kontrol KT-4X9 High-Range CO₂ Transmitter with Display","description":"\u003cp\u003eHigh-range carbon-dioxide transmitter with local display for controlled-atmosphere and industrial monitoring.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e12-24 V DC\u003c\/li\u003e\n\u003cli\u003e0-10 V, 2-10 V, 0-3 V, 4-20 mA, 0-20 mA or Modbus RTU\u003c\/li\u003e\n\u003cli\u003eCO₂ range: 0-100 % vol\u003c\/li\u003e\n\u003cli\u003eSensitivity: ±0.2 % vol\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±0.5 % vol\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/emskontrol.com\/wp-content\/uploads\/2026\/05\/KT-4X9-26-E.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload KT-4X9 datasheet\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eContact PVL for configuration and a project quote.\u003c\/p\u003e","brand":"EMS Kontrol","offers":[{"title":"Request a Quote","offer_id":67992536055959,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/0088\/0535\/files\/upload-1790849065256.png?v=1790849067"}],"url":"https:\/\/pvl.co.uk\/collections\/co-sensors-transmitters.oembed","provider":"PVL","version":"1.0","type":"link"}