Jebao Doser 2.4 AP+Wifi+Manual

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  HM COM-80S TDS/EC METER

  The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Features: Measures electrical conductivity (EC), total dissolved solids (TDS).  Excellent for hydroponic nutrient testing. Four scales: EC: µS, mS;  TDS: ppm, ppt. Automatic Temperature Compensation (ATC). Water resistant. Measurement Range: 0-9990 µS; 0-5000 ppm; 0-9.9 mS; 0-5.0 ppt. Digital Calibration (push button) to any point within the meter’s range. Auto-off function, data-hold function and low-battery indicator. Display: large and easy-to-read LCD screen includes simultaneous temperature reading. Factory Calibrated: The COM-80 meter is calibrated with a 1413 µS solution—can be recalibrated with digital calibration using the push buttons. Includes a protective cap and batteries. Specifications: EC Range: 0-9990 µS; 0-9.9 mS. TDS Range: 0-5000 ppm (mg/L); 0-5.0 ppt. Temperature Range: 1-80°C/33-176°F. Resolution: 1 µS/ppm; 0.1 mS/ppt. Temp. resolution: 0.1°C/F. Accuracy: +/- 2%. EC-to-TDS Conversion Factor: NaCl (avg of 0.5). Calibration: Digital calibration by push button. Probe: Fixed. Housing: Water resistant. Power source: 3 x 1.5V button cell batteries (included)  (model LR44 or equivalent). Dimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches). Weight: 53.9 g (1.9 oz).

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  QINGPING CO2 TEMP RH MONITOR

  Qingping CO2 Monitor 【Monitor Indoor CO2 Levels】Equipped with a Swiss-made Sensirion CO2 sensor that utilizes NDIR technology to provide precise and sensitive measurements. The colored indicator lets users quickly judge the CO2 level. It finds extensive applications across diverse settings, including homes, schools, office buildings, hospitals, restaurants, shopping malls, factories, hotels, laboratories, and more. 【Temp & RH Monitoring】High-accuracy temperature and humidity sensor. Measurement ranges from -20~50°C (-4~122°F) and 0~99.9%RH (non-condensation environment). 【Wi-Fi Connectivity, Enables Remote Monitoring】Remotely access data via the “Qingping IoT” app or website, as the product supports Wi-Fi. Devices can be managed with Qingping IoT, shared and collaborated with teammates. The battery has a long standby time, and you can also plug it in USB power all the time. 【Multiple Alert Methods】The built-in buzzer will alarm if CO2, temperature or humidity is over-limit. You can also get alerts via app notifications, emails, and text messages. * The buzzer alarm feature can be turned off/on using the Qingping IoT app or website. 【View and Export Historical Data】Historical data graphics of recent 24 hours and 30 days are available on Qingping IoT, while the data can be exported as Excel files. No need to worry about network interruption — the device can save up to 2,880 sets of readings locally, and the data will be uploaded to the server when the connection is back on.     

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  Bluelab pH Controller

  Bluelab pH Controller Hands-free monitoring and dosing of the solution’s pH value. Simple. We know that pH levels can be the difference between a good crop and a disaster. Measuring and adjusting nutrient solution levels can be time consuming. And let’s face it, you have better things to do. Our smart pH controller automatically monitors and fine-tunes the pH values for you. Set your pH parameters and let the Bluelab pH Controller dose you on point in your set direction pH up or down solution, not both. You just have to set it up and forget it. The pH is taken care of. So you can relax ….. Characteristics * Automatic control and monitoring of system pH with reservoirs up to 200 US gal / 760 L * Plant-safe green backlit LCD screen with adjustable brightness * Large, easy-to-read displays * Easy to navigate through the menu to program and adjust settings * Simple pH calibration with push button and screen guidance * Flashing high / low alarm with control lockouts * Dosing blocks to protect against overdose * Auto resume dosing on restart after power failure * Water-resistant, wall-mounted design * 13 feet (4 meters) of acid and alkali resistant dosing hose included * Use with undiluted Bluelab pH Up or Down * International power supply * Replaceable double junction pH probe with double connection * Separate Bluelab temperature probe (for pH ATC) * Replaceable peristaltic pump and hoses

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  Bluelab pH Pen

  A hardy, compact pH and temperature pen Perfect for quick and easy pH and temperature readings direct from your solution Fully waterproof – not just water resistant Simple two-point calibration process for accuracy One-year peace-of-mind warranty Automatic temperature compensation for accurate readings everywhere Auto-off function to extend battery life 1 AAA battery included – simply power on and go

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