Hanna GroLine Monitors Hanna GroLine monitors are an ideal solution in applications where constant monitoring of a stationary sample such as fertilizer solution is required. These multiparameter monitors allow the user to monitor pH, EC, TDS, and Temperature with one probe.. Ideal for hydroponics, greenhouses, horticulture, two versions are offered, one supplied with an inline probe and one supplied with a standard combination probe. 24/7 Monitoring These GroLine Monitors provide 24 hour continuous monitoring of pH, conductivity (EC or TDS), and temperature in hydroponic nutrients. Quick to setup and simple to use, these monitors were designed with hydroponics, aquaponics, and greenhouses in mind. Instantly See All Measurements The versatile display of the Monitors allows for three screen modes. The LCD can display all three essential hydroponic nutrients measurements at one time, a 3-second cycle of single measurements, or a real-time graph screen with options for measurement selection and log recall. Monitor Changes Over Time Fluctuations in your hydroponic nutrient solution can have lasting effects on your plants. These Monitors automatically log every 15 minutes for the last 30 days, and stores min, max, and average values so you can recognize when patterns arise and help prevent future problems. For review and storage, use the USB-C to easily transfer data to a flash drive or PC using a cable. Files are exported as .csv. Grow With Confidence GroLine Monitors free up your time by doing the testing for you. Simply set high and low alarm levels – if your hydroponic nutrient solution moves out of range a measurement error will display. A quick look at the large display will let you know if your nutrient solution needs adjusting. Inline Probe The supplied HI1285-9 multiparameter probe for GroLine monitor model HI981421 measures pH, EC, and temperature in one convenient, rugged probe. A solid-state preamplifier is integrated into the probe to protect the pH measurement from transient electrical noise. Simpler with a combination probe The HI1285-8 for GroLine monitor model HI981420 is a 3-in-1 preamplified combination probe. This probe is built to be durable and features two graphite sensors for reliable conductivity readings. A built-in temperature sensor ensures fast, accurately compensated readings even during sudden temperature fluctuations. Temperature Monitors Few manufacturers have given any thought to providing users with a convenient way of monitoring temperature conditions in catering, refrigerators, and other places that need quick monitoring. Hanna’s precision thermometers can be mounted right over the samples to be measured or placed in refrigerators for continuous readings of cold storage products. Temperature monitors come with Hanna’s exclusive CAL Check™ feature. With CAL Check, users can ensure the accuracy of the meter without the need for external calibration equipment. Food grade stainless steel probes and quick response times assure the safety and preservation of the goods monitored. Introduction 1 Testers and Monitors 1.3 www.hannainst.com | introduction
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