{"title":"Monitors, Controllers \u0026 Timers","description":null,"products":[{"product_id":"bluelab-guardian-monitor","title":"Bluelab Guardian Monitor","description":"\u003cp\u003eAdjustable brightness display. Large easy-to-read, plant-safe green LED displays. Selectable values for conductivity and temperature. Simple push button pH calibration system. No calibration required for conductivity and temperature. Silent alarm for both high and low settings. Settings retained when power lost (non-volatile memory). Temperature compensation. An international power supply. Water-resistant design. 2 year Bluelab Guarantee (6 months on probe).\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":58446920417583,"sku":"400000020686","price":459.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/HGC716336-01.jpg?v=1788993943"},{"product_id":"hm-digital-com80-ec-tds-temp-waterproof-hydro-tester","title":"HM Digital COM80 EC\/TDS\/Temp Waterproof Hydro Tester","description":"The COM-80 is an economically priced, reliable EC\/TDS meter that is ideal for testing applications such as hydroponics \u0026amp; gardening, pools \u0026amp; spas, aquariums \u0026amp; reef tanks, water ionizers, drinking water and more.\n\n\nMeasures electrical conductivity (EC), total dissolved solids (TDS).  Excellent for hydroponic nutrient testing.\n\n\nFour scales: EC: , mS;  TDS: ppm, ppt  \n\n\nAutomatic Temperature Compensation (ATC)\n\n\nWater resistant\n\n\nMeasurement Range: 0-9990 ¬¨¬µS; 0-5000 ppm; 0-9.9 mS; 0-5.0 ppt \n\n\nDigital Calibration (push button) to any point within the meter's range\n\n\nAuto-off function, data-hold function and low-battery indicator\n\n\nDisplay: large and easy-to-read LCD screen includes simultaneous temperature reading\n\n\nFactory Calibrated: The COM-80 meter is calibrated with a 1413 ¬¨¬µS solution can be recalibrated with digital calibration using the push buttons\n\n\nIncludes a protective cap and batteries.\n\n\n \n\n\nSPECIFICATIONS\n\n\nEC Range: 0-9990 ¬¨¬µS; 0-9.9 mS  \nTDS Range: 0-5000 ppm (mg\/L); 0-5.0 ppt  \nTemperature Range: 1-80F \nResolution: 1¬¨¬µS\/ppm; 0.1 mS\/ppt   \n     Temp. resolution: 0.1C\/F \nAccuracy: +\/- 2% \nEC-to-TDS Conversion Factor: NaCl (avg of 0.5) \nCalibration: Digital calibration by push button \nProbe: Fixed \nHousing: Water resistant\nPower source: 3 x 1.5V button cell batteries (included)  (model LR44 or equivalent)\nDimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches) \nWeight: 53.9 g (1.9 oz)\n\n\n1 year warranty","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":58449118232879,"sku":"400000013169","price":41.79,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/HMDCOM80_1.jpg?v=1789039854"},{"product_id":"hydrofarm-dual-outlet-7-day-grounded-digital-programmable-timer-1725w-15a-1-minute-on-off","title":"Hydrofarm Dual Outlet 7-Day Grounded Digital Programmable Timer 1725W 15A 1 Minute On\/Off","description":"\u003cp\u003eUsing a timer to automate your lighting adds convenience and encourages productive growth with consistent hours of light. Timers are also essential for many hydroponic system applications. This model has two outlets.\u003c\/p\u003e\u003cp\u003eFeatures\u003c\/p\u003e\u003cp\u003e1 second on\/off\u003cbr\u003eUp to 8 on\/off cycles per day\u003cbr\u003eControls two outlets simultaneously\u003cbr\u003e15A\/1725W\u003cbr\u003eUL-listed\u003cbr\u003eFOR MORE THAN 8 ON\/OFF CYCLES PER DAY, USE APCTART\u003c\/p\u003e","brand":"Hydrofarm","offers":[{"title":"Default Title","offer_id":58449336959279,"sku":"400000009216","price":27.69,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/TM01715D_1.jpg?v=1789047960"},{"product_id":"milwaukee-ma871-digital-brix-refractometer","title":"Milwaukee MA871 Digital Brix Refractometer","description":"\u003cp\u003eThe Milwaukee digital BRIX refractometer is temperature compensated with a 0 to 85 percent BRIX range and +\/- 0.2 percent accuracy. It is easy to use with simple two button operation and fast with a response time under 2 seconds. Maintenance is a breeze also with an easy-to-clean sealed flint glass prism and stainless steel well.\u003cbr\u003eDESIGN FEATURES\u003c\/p\u003e\u003cp\u003eFast, accurate results with digital dual level LCD readout.\u003cbr\u003e  Easy measurement with just 2-3 drops of sample needed and results less than 2 seconds.\u003cbr\u003e  Simple one-point calibration using distilled or deionized water.\u003cbr\u003e  Easy to clean, stainless steel sample well with unit rated to IP65 as \"dust tight\" and protected against water jets.\u003cbr\u003e  Battery percent level indicator with automatic shut-off (batteries included).\u003cbr\u003e  Ideal for winemakers, brewers, fruit and vegetable growers, maple syrup producers, and food producers.\u003cbr\u003e  The measurement technique and temperature compensation employ methodology recommended in the ICUMSA Methods Book (Internationally recognized body for Sugar Analysis).\u003c\/p\u003e","brand":"Milwaukee","offers":[{"title":"Default Title","offer_id":58449495032111,"sku":"103854","price":134.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/da9301be103854.jpg?v=1789056043"},{"product_id":"hm-digital-hydromaster-portable-wall-mount-bench-continuous-ph-ec-tds-temp","title":"HM Digital HydroMaster Portable\/Wall Mount\/Bench Continuous pH\/EC\/TDS\/Temp","description":"\u003cp\u003eHydroMaster Digital testers make monitoring water easier than ever by reading the levels that matter most and providing accurate readings that you can depend on. Continuous pH\/EC\/TDS\/Temp monitor with rechargeable battery. Portable, wall mount, or benchtop use.HydroMaster HM-500 pH\/EC\/TDS\/¬∞F Tester (113831)\u003cbr\u003e‚Ä¢ Tests pH at a range of 0 pH-14 pH, temperatures from 30¬∞F-176¬∞F, TDS from 0-9999 ppm and EC from 0-9999 ŒºS\u003cbr\u003e‚Ä¢ Stores up to 20 measurement readings, so you can monitor changes over time\u003cbr\u003e‚Ä¢ LCD touch-type screen with auto backlighting\u003cbr\u003e‚Ä¢ Powered by a rechargeable lithium ion battery\u003cbr\u003e‚Ä¢ Features an adjustable alarm that has a high and low set point\u003cbr\u003e‚Ä¢ Automatically turns off after 5 minutes\u003cbr\u003e‚Ä¢ Comes with wall mountable bracket, USB cable, 2 flotation disks, 1 EC\/TDS conductivity sensor, 1 pH sensor, 1 packet each pH 4, pH 7, storage solution, and 1000 ppm calibration solution\u003cbr\u003e‚Ä¢ 110V-220VThree year warranty (6 month warranty on the pH probe)\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":58449535598895,"sku":"103855","price":323.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/HMD500_1.jpg?v=1789056967"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/collections\/TM01715D_1.jpg?v=1789069903","url":"https:\/\/mattshydroponics.com\/collections\/monitors-controllers-timers.oembed","provider":"Matt’s Hydroponics","version":"1.0","type":"link"}