{"title":"Controllers","description":"HM Digital TDS\/EC controllers monitor and regulate dosing or injections systems for commercial applications. Each controller has large tri-colored LED displays, so you can easily see how well your system is performing. You can also set minimums and maximum TDS\/EC levels and alarms for each level on a controller.","products":[{"product_id":"hm-digital-psc-154-extended-range-ec-tds-controller-with-4-20ma-output","title":"HM Digital PSC-154 Extended Range EC\/TDS Controller with 4-20mA Output","description":"The\u003cb\u003e HM Digital PSC-154 EC\/TDS \u003c\/b\u003eController reads in an extended range to monitor and control TDS levels for high output commercial systems. If the TDS level rises above the user-set level, an alarm will sound and the unit will open or close a circuit via dry contacts to control a pump, solenoid valve or other external device. External devices must have their own power supply.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cul\u003e\n\u003cli\u003eMonitors and controls TDS\/EC level for high output commercial systems.\u003c\/li\u003e\n\u003cli\u003eLarge, bright L.E.D. display\u003c\/li\u003e\n\u003cli\u003e4-20mA output signal can connect to a PLC to record values.\u003c\/li\u003e\n\u003cli\u003eAn alarm will sound if the TDS level rises above the user-set level.\u003c\/li\u003e\n\u003cli\u003eA switch will control a device based upon the set point.\u003c\/li\u003e\n\u003cli\u003eOn-screen temperature display (C\/F).\u003c\/li\u003e\n\u003cli\u003eInstalls easily in minutes\u003c\/li\u003e\n\u003cli\u003eIncludes one sensor probe\u003c\/li\u003e\n\u003cli\u003eOne year warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":13249501528107,"sku":"PSC-154","price":206.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2723\/8896\/files\/z4te1jwi4nlboncznvth_f95683db-87bf-4212-bfd2-c2d2715ff55f.jpg?v=1792569849"},{"product_id":"hm-digital-psc-150-extended-range-ec-tds-controller","title":"HM Digital PSC-150 Extended Range EC\/TDS Controller","description":"The \u003cb\u003eHM Digital PSC-150 EC\/TDS\u003c\/b\u003e Controller reads in an extended range to monitor and control TDS levels for high output commercial systems. If the TDS level rises above the user-set level, an alarm will sound and the unit will open or close a circuit via dry contacts to control a pump, solenoid valve or other external device. External devices must have their own power supply.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003cul\u003e\n\u003cli\u003eMonitors and controls TDS level for high output commercial systems.\u003c\/li\u003e\n\u003cli\u003eLarge, bright L.E.D. display\u003c\/li\u003e\n\u003cli\u003eAn alarm will sound if the TDS level rises above the user-set level.\u003c\/li\u003e\n\u003cli\u003eOn-screen temperature display\u003c\/li\u003e\n\u003cli\u003eInstalls easily in minutes\u003c\/li\u003e\n\u003cli\u003eIncludes one sensor probe\u003c\/li\u003e\n\u003cli\u003eOne year warranty\u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003e\u003cb\u003eNOTE: The PC-100 has been discontinued and has been replaced by the PSC-150.\u003c\/b\u003e","brand":"HM Digital","offers":[{"title":"Single","offer_id":13250238611499,"sku":"PSC-150","price":175.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2723\/8896\/files\/o63t1mieleknqozlmf14_9df39242-210c-4dad-98b6-32b8d88cceda.jpg?v=1792573503"},{"product_id":"hm-digital-cic-152-dual-control-dosing-injection-tds-ec-controller","title":"HM Digital CIC-152 Dual Control Dosing\/Injection TDS\/EC Controller","description":"The \u003cb\u003eHM Digital CIC-152 TDS\/EC Controller monitors \u003c\/b\u003eand controls dosing or injection systems with two adjustable set points to keep TDS level within a range. The CIC-152 allows you to set minimum and maximum control points that will activate relay controls to send an analog signal to an external device via switching dry contacts. The external devices must have their own power source. \u003cbr\u003e\u003cbr\u003e \u003cb\u003eFeatures:\u003c\/b\u003e\u003cul\u003e\n\u003cli\u003eMonitors and controls dosing or injection systems\u003c\/li\u003e\n\u003cli\u003eLarge, bright tri-colored LED display\u003c\/li\u003e\n\u003cli\u003eTwo adjustable set points keep TDS levels within a range\u003c\/li\u003e\n\u003cli\u003eAn alarm will sound if the TDS reaches the minimum or maximum set point, and will start or stop a device (pump, valve, etc.) via switching a dry contact position.\u003c\/li\u003e\n\u003cli\u003eOnce the TDS level returns to the acceptable range, the alarm will stop and the dry contacts will switch to the normal position.\u003c\/li\u003e\n\u003cli\u003eDigital calibration.\u003c\/li\u003e\n\u003cli\u003eOn-screen temperature display.\u003c\/li\u003e\n\u003cli\u003eInstalls easily in minutes.\u003c\/li\u003e\n\u003cli\u003eIncludes one sensor probe.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":13250390261803,"sku":"HMCIC-152","price":322.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2723\/8896\/files\/lzsjc0o4tzlkvi5a0pyu_186d735b-5f55-4972-bc54-e3ccf2fa5d0f.jpg?v=1792570407"},{"product_id":"hm-digital-ps-202-dual-display-tds-controller","title":"HM Digital PS-202 Dual Display TDS Controller","description":"Install the Dual Display TDS Controller to constantly monitor TDS levels of water produced by a high-output system and immediately know if the TDS levels rise above an acceptable level. The Dual Display allows you to compare both measurements with just a quick glance and adjust the calibration to your needs.   \u003cbr\u003e\u003cbr\u003e  \u003cb\u003eFeatures\u003c\/b\u003e:  \u003cul\u003e\n\u003cli\u003eSimultaneously monitors and controls the TDS levels of two water lines (e.g., the feed water and product water) for high output commercial systems\u003c\/li\u003e\n\u003cli\u003eLarge, bright L.E.D. display\u003c\/li\u003e\n\u003cli\u003eAn alarm will sound if the TDS level rises above the user-set level for both lines\u003c\/li\u003e\n\u003cli\u003eInstalls easily in minutes\u003c\/li\u003e\n\u003cli\u003eIncludes two sensor probes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Solventum","offers":[{"title":"Default Title","offer_id":13250702966827,"sku":"PS-202","price":256.09,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2723\/8896\/files\/gpm2tkdc9wjdkcgnjuji_95633b01-39d7-4727-8996-ca31e81240d5.jpg?v=1792572155"},{"product_id":"hm-digital-pph-1000-industrial-ph-controller-with-3-8-sensor-probe","title":"HM Digital PPH-1000 Industrial pH Controller with 3\/8\" Sensor Probe","description":"The \u003cb\u003eHM Digital pH Controller \u003c\/b\u003eis an industrial online monitor and controller of pH levels. The PPH-1000 is used in a variety of water solution treatment applications such as petroleum, chemical, medical, and more.\u003cbr\u003e \u003cbr\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eOn\/Off Alarm:\u003c\/b\u003e An upper limit, lower limit alarm can be set singly or in combination on the PPH-1000 to help monitor pH levels. \u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSensor Probe Included: \u003c\/b\u003eThe HM Digital PPH-1000 features a 3\/8\" sensor probe that is included at no extra cost. \u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBright LED Display:\u003c\/b\u003e Temperature and pH levels are easily and clearly read on the controller's bright LED display. \u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEasy Installation:\u003c\/b\u003e The compact size and light-weight of the PPH-1000 makes installation simple and easy. \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":13250842230827,"sku":"PPH-1000","price":419.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2723\/8896\/files\/vt4gfcyp67uxyweb1gbu_eb1d01ec-0490-4186-a417-e064135434cc.jpg?v=1792571715"},{"product_id":"hm-digital-ps-100-panel-mount-tds-controller","title":"HM Digital PS-100 Panel Mount TDS Controller","description":"\u003cbr\u003e  The HM Digital PS-100 TDS Controller constantly monitors the TDS levels of water produced by high-output commercial systems. With the PS-100 you can gauge the performance of your system and with the alarm you will immediately know if the TDS levels rise above an acceptable level.   \u003cbr\u003e  \u003cb\u003eFeatures\u003c\/b\u003e:  \u003cul\u003e\n\u003cli\u003eMonitors and controls TDS levels for high output systems\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLarge, bright L.E.D. display\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAn alarm will sound if the TDS level rises above the user-set level\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInstalls easily in minutes\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes one sensor probe\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":17207985045547,"sku":"PS-100","price":144.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2723\/8896\/files\/cr8xfr679iiqyr36xyrl_733e58c7-0ddc-4363-a96f-399323af7b25.jpg?v=1792571938"},{"product_id":"hm-digital-pc-100-conductivity-controller","title":"HM Digital PC-100 Conductivity Controller","description":"The PC-100 has been discontinued.  It has been replaced by the PSC-150\u003cbr\u003e  \u003cbr\u003e  \u003cb\u003eFeatures\u003c\/b\u003e:  \u003cul\u003e\n\u003cli\u003eMonitors and controls conductivity levels for high output commercial systems\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLarge, bright L.E.D. display\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAn alarm will sound if the EC level rises above the user-set level\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInstalls easily in minutes\u003c\/li\u003e\n\u003c\/ul\u003e  Install the Conductivity Controller to constantly monitor conductivity levels of water produced by a high-output system and adjust the calibration to your needs.   \u003cbr\u003e  Immediately know if the conductivity levels rise above an acceptable level.","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":17208011948075,"sku":"PC-100","price":144.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2723\/8896\/files\/vf3ho89haq8laiqciagl_733db4ff-eeac-4797-b615-cb0283c58018.jpg?v=1792570308"},{"product_id":"hm-digital-ps-200-dual-tds-controller","title":"HM Digital PS-200 Dual TDS Controller","description":"\u003cbr\u003e  The HM Digital PS-200 Dual TDS Controller constantly monitors the TDS levels of water produced by high-output commercial systems. With the PS-200 you can gauge the performance of your system and with the alarm you will immediately know if the TDS levels rise above an acceptable level.\u003cbr\u003e  \u003cbr\u003e  \u003cb\u003eFeatures\u003c\/b\u003e:  \u003cul\u003e\n\u003cli\u003eMonitors and controls TDS levels of two water lines (e.g., feed water and product water) for high output commercial systems\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLarge, bright L.E.D. display\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAn alarm will sound if the TDS level rises above the user-set level for the output water\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInstalls easily in minutes\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes two sensor probes\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe PS-200 is a monitor for Line 1 (in-line) and a controller for Line 2 (out-line)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":17208067096619,"sku":"PS-200","price":174.12,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2723\/8896\/files\/kivca05llttuedsij1hh_cd39cf03-25af-4aea-b7c9-86c84aeb959f.jpg?v=1792572559"},{"product_id":"axeon-ax-8000-computer-controller-with-dual-tds-110-220v-1ph","title":"AXEON AX-8000 Computer Controller with Dual TDS 110\/220V 1Ph","description":"\u003cp\u003eThe 211454 AXEON AX-8000 Series Controller is the replacement controller for all AXEON N-Series Reverse Osmosis Systems. Controller will include new controller board, and overlay.\u003c\/p\u003e","brand":"AXEON","offers":[{"title":"Single","offer_id":43216618029240,"sku":"211454","price":1656.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2723\/8896\/files\/vdhkgqrsjktitmz3chft_bf18abae-5ddc-41f0-ab9c-dfa510f34e5b.jpg?v=1792571161"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2723\/8896\/collections\/w0aatjjdizu5wfrxxkdz.jpg?v=1757100556","url":"https:\/\/freshwitersystems.com\/collections\/controllers.oembed","provider":"Fresh Water Systems","version":"1.0","type":"link"}