{"product_id":"dli-temperature-probe","title":"DLI Temperature Probe – For DLM-4 Zone Controller","description":"\u003ch2\u003eLet Your DLM-4 Dim the Lights Before the Room Overheats\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDLI Temperature Probe\u003c\/strong\u003e is the genuine replacement sensor for the \u003cstrong\u003eDLI DLM-4 Zone Controller\u003c\/strong\u003e from Dutch Lighting Innovations. The DLM-4 takes \u003cstrong\u003eone sensor per zone\u003c\/strong\u003e – up to \u003cstrong\u003efour\u003c\/strong\u003e in all – and uses each reading to protect the crop: when the temperature passes the maximum set point you program, the controller automatically \u003cstrong\u003edims the fixtures, or shuts them down\u003c\/strong\u003e if it has to, and logs the event so you can find the cause afterwards. Without a working probe in a zone, that safety layer is missing.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine DLI sensor\u003c\/strong\u003e made for the DLM-4 Zone Controller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne probe per zone\u003c\/strong\u003e, up to \u003cstrong\u003efour\u003c\/strong\u003e on a single DLM-4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic dimming or shutdown\u003c\/strong\u003e when a zone passes your maximum set point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvery event logged\u003c\/strong\u003e on the controller, so over-temperature dimming can be traced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact housing with a fixing lug\u003c\/strong\u003e for easy mounting at canopy level\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHeat Stress When the Lights Run Flat Out\u003c\/h3\u003e\n\u003cp\u003eOn a hot day a grow room under full power can climb past its comfortable range quickly, and plants answer with \u003cstrong\u003eheat stress\u003c\/strong\u003e, \u003cstrong\u003eexcessive stretch\u003c\/strong\u003e and \u003cstrong\u003epoor nutrient uptake\u003c\/strong\u003e. A controller can only react to heat it can measure. With a probe in each zone, the DLM-4 trims light output the moment the temperature crosses your set point and records when it happened, so you can fix the ventilation or cooling behind it.\u003c\/p\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the probe\u003c\/strong\u003e to the DLM-4 sensor input for the zone it will monitor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount it at canopy height\u003c\/strong\u003e, shaded from direct light and away from fans, heaters and air intakes, so it reads the air the plants are actually in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit one probe per zone\u003c\/strong\u003e – each zone dims against its own reading\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgram the maximum temperature\u003c\/strong\u003e and the dimming action on the controller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the DLM-4 event log\u003c\/strong\u003e after hot spells to see when and why it dimmed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"hcs-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Dutch Lighting Innovations (DLI)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Temperature sensor (replacement probe)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible controller:\u003c\/strong\u003e DLI DLM-4 Zone Controller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensors per controller:\u003c\/strong\u003e Up to 4 – one per zone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Feeds the DLM-4's over-temperature dimming or shutdown, with event logging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Fixing lug on the sensor housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupplied:\u003c\/strong\u003e Probe only – controller not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv class=\"hcs-faq\"\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eWhich DLI controller does this probe work with?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eIt is the replacement temperature probe for the DLI DLM-4 Zone Controller. The DLMini is a one-button output selector and is not listed for it.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eHow many probes can one DLM-4 use?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eOne per zone, so up to four on a single DLM-4. Each zone then dims against its own temperature reading.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eWhat happens when the temperature passes the set point?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eThe DLM-4 dims the lights, or shuts them down if necessary, and logs the event so you can look into the cause.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWorks Well With\u003c\/h3\u003e\n\u003cdiv class=\"hcs-related\" style=\"display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 0;\"\u003e\n\u003ca href=\"\/products\/dli-digital-controller-dlm-4-zone\" style=\"flex:1 1 240px;display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e6e6e6;border-radius:8px;text-decoration:none;color:inherit;background:#fff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/led-cables-accessories-dli-digital-controller-dlm-4-zone-40130436006103.png?v=1785291879\u0026amp;width=160\" alt=\"DLI DLM 4 Zone Digital Grow Light Controller\" width=\"64\" height=\"64\" loading=\"lazy\" style=\"width:64px;height:64px;object-fit:contain;flex:none;\"\u003e\u003cspan style=\"font-size:14px;line-height:1.4;\"\u003e\u003cstrong style=\"display:block;\"\u003eDLI DLM 4 Zone Digital Grow Light Controller\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eThe controller this probe plugs into\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Dutch Lighting Innovations","offers":[{"title":"Default Title","offer_id":53929896280330,"sku":"LGT-DUTH-004-01","price":45.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/dli-temperature-probe-default-title-1.jpg?v=1792262357","url":"https:\/\/hydrocropshop.co.uk\/products\/dli-temperature-probe","provider":"Hydro Crop Shop","version":"1.0","type":"link"}