{"product_id":"trolmaster-pct-3-ec-temp-sensor","title":"TrolMaster PCT-3 EC\/Temp Sensor – Heavy-Duty Inline EC Probe","description":"\u003ch2\u003eA Heavy-Duty EC and Temperature Probe That Fits Standard Pipework\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eTrolMaster PCT-3\u003c\/strong\u003e is a \u003cstrong\u003eheavy-duty EC and temperature sensor\u003c\/strong\u003e for the Aqua-X, Tent-X and Green-X control systems. A slimmer protective sleeve and \u003cstrong\u003ethreaded body\u003c\/strong\u003e let it screw into a standard \u003cstrong\u003e¾\" PVC tee\u003c\/strong\u003e, so it can sit \u003cstrong\u003einline\u003c\/strong\u003e in a nutrient line or drop into a reservoir, and an improved sensing element gives steadier readings. It reads \u003cstrong\u003e0–5 mS\/cm\u003c\/strong\u003e to \u003cstrong\u003e±(0.05 + 2%) mS\/cm\u003c\/strong\u003e and plugs into an \u003cstrong\u003eAMP-2 or AMP-3 sensor board\u003c\/strong\u003e by its mini-DIN connector on a \u003cstrong\u003e3.6 m cable\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInline or drop-in\u003c\/strong\u003e – the threaded body fits ¾\" PVC tee fittings and other tight spaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC and solution temperature\u003c\/strong\u003e in one probe, logged and alarmed by your TrolMaster controller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved sensing element\u003c\/strong\u003e for stable, repeatable readings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShorter body\u003c\/strong\u003e that suits compact manifolds and dosing lines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.6 m cable\u003c\/strong\u003e with mini-DIN plug for direct connection to the AMP-2 or AMP-3\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDrifting Nutrient Strength\u003c\/h3\u003e\u003cp\u003ePlant uptake, evaporation and top-ups change the strength of a feed through the day. A probe reading EC continuously in the line lets the controller log it, alarm on it and show exactly when nutrient strength drifts, rather than finding out from a hand meter after plants have been fed too strong or too weak.\u003c\/p\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect\u003c\/strong\u003e to an AMP-2 board (Aqua-X NFS-1) or an AMP-3 board (Aqua-X NFS-2 and NFS-3, Green-X GCS-1, Tent-X TCS-1)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInline:\u003c\/strong\u003e thread the probe into a ¾\" PVC tee on the nutrient line; \u003cstrong\u003edrop-in:\u003c\/strong\u003e hang it in the reservoir\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibrate\u003c\/strong\u003e from the controller with EC calibration solution, following TrolMaster's calibration guide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep the tip wet\u003c\/strong\u003e at all times – a probe left to dry out can become defective\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"hcs-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PCT-3 heavy-duty inline nutrient EC\/temp sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasures:\u003c\/strong\u003e EC and solution temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC range:\u003c\/strong\u003e 0–5 mS\/cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC accuracy:\u003c\/strong\u003e ±(0.05 + 2%) mS\/cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable:\u003c\/strong\u003e 3.6 m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e mini-DIN male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting:\u003c\/strong\u003e threaded body for a standard ¾\" PVC tee; inline or drop-in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor boards:\u003c\/strong\u003e AMP-2 (Aqua-X NFS-1); AMP-3 (Aqua-X NFS-2, NFS-3, Green-X GCS-1, Tent-X TCS-1)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorking environment:\u003c\/strong\u003e 0–50°C, below 90% humidity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e 275 × 85 × 95 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\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;\"\u003eDoes it work on its own?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eNo. It reads through a TrolMaster controller fitted with an AMP-2 or AMP-3 sensor board.\u003c\/p\u003e\u003c\/details\u003e\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 does it differ from the PCT-1 and PCT-2?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eThe PCT-1 is the reservoir probe and the PCT-2 the heavy-duty in-tank probe. The PCT-3 is the newer heavy-duty probe with a slimmer, threaded body made to sit inline in a ¾\" PVC tee as well as drop into a tank.\u003c\/p\u003e\u003c\/details\u003e\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 should it be stored?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eKeep the sensing tip wet at all times. TrolMaster warns that a probe allowed to dry out can become defective.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003ch3\u003eWorks Well With\u003c\/h3\u003e\u003cdiv class=\"hcs-related\" style=\"display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 0;\"\u003e\n\u003ca href=\"\/products\/trolmaster-sensor-board-amp-3\" 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\/meters-sensors-trolmaster-amp-3-sensor-board-39070354112727.webp?v=1773574981\u0026amp;width=160\" alt=\"TrolMaster Sensor Board (AMP-3)\" 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;\"\u003eTrolMaster Sensor Board (AMP-3)\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eThe sensor board it plugs into\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/products\/trolmaster-aqua-x-sensor-board-for-irrigation-control-system-amp-2\" 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\/meters-sensors-trolmaster-aqua-x-sensor-board-for-irrigation-control-system-amp-2-36559367209175.webp?v=1773572576\u0026amp;width=160\" alt=\"TrolMaster Aqua-X Sensor Board (AMP-2)\" 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;\"\u003eTrolMaster Aqua-X Sensor Board (AMP-2)\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eSensor board for the Aqua-X NFS-1\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/products\/trolmaster-aqua-x-irrigation-control-system-nfs-1\" 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\/meters-sensors-trolmaster-aqua-x-irrigation-control-system-nfs-1-34599940718807.webp?v=1773574304\u0026amp;width=160\" alt=\"TrolMaster Aqua-X NFS-1 Irrigation 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;\"\u003eTrolMaster Aqua-X NFS-1 Irrigation Controller\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eAqua-X controller that reads it\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"TrolMaster","offers":[{"title":"Default Title","offer_id":53931122721034,"sku":"HYD-TROL-053-01","price":272.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/trolmaster-pct-3-ec-temp-sensor-default-title-1.jpg?v=1792296267","url":"https:\/\/hydrocropshop.co.uk\/products\/trolmaster-pct-3-ec-temp-sensor","provider":"Hydro Crop Shop","version":"1.0","type":"link"}