pH Testers, Meters

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  1. Constant indicator of desired levels of pH, conductivity, and temperature of nutrient solutions. Data logs these parameters to computer for you. Data also accessible via the cloud. Includes 1 button pH calibration, alarm settings, pH probe, adapter collar for pH probe, and conductivity probe. Learn More
  2. Electronically controlled mains switching box, activates mains powered equipment from a Bluelab controller.Adds temperature control to Bluelab Pro Controller and some Bluelab Dosetronic models. Has 4 IEC main outputs with a 8.5A maximum total output load. 100V-240V, 50/60Hz compatible. Learn More
  3. Accurately measure, control and maintain pH levels. Use with the Bluelab Pro Controller for a fully integrated solution for optimal reservoir dosing. 1x 120ml (4fl oz)/min peristaltic pump for dosing pH and 2x 120ml (4fl oz)/min for nutrient stock solutions. Learn More
  4. Use with the Bluelab Pro Controller. 1x 40 fl oz/min pump for dosing pH adjuster solutions, 2x 40 fl oz/min pumps for dosing nutrient stock solutions. Accurately measure, control, and maintain pH levels. Includes 2x 13 feet of tubing for adjuster solutions and nutrient stock solutions. Learn More
  5. Control your pH with automatic calibration to one or two points, automatic buffer recognition, calibrated buffer tags, stability indicator, low battery indicator, and selectable automatic shut off. Comes with a pH Vs. temperature chart. Learn More
  6. With PPM Pen, pH Pen, pH Probe, KCI Storage Solution, and Calibration Solutions (4.0 pH and 7.0 pH). Pens are waterproof and have one button push calibration. Learn More
  7. A useful waterproof pocket meter for measuring the pH of a hydroponic nutrient solution. Has a pH Range 0.00 to 14.00 pH, a resolution of 0.01 pH, and an accuracy of ±0.1 pH. Comes with a built-in temperature sensor for automatic temperature compensated measurements. Has a stability indicator that disappears once a stable reading is obtained. It offers calibration to one or two points at a push of a button. Learn More
  8. A versatile and waterproof pocket sized meter that measures pH, conductivity (EC), total dissolved solids (TDS) and temperature. It offers a selectable EC to TDS conversion factor (0.5 - 500 ppm and 0.7 - 700 ppm). The pH readings are displayed with a 0.01 resolution and with an accuracy of +/-0.05 pH, while the EC and TDS readings are displayed with a 0.01 mS/cm and 10 ppm (mg/L) resolution and 2% full scale accuracy. The EC range is from 0.01 to 6.00 mS/cm and TDS is from 0 to 3000 ppm using a 0.5 conversion factor. Comes with one year warranty. Learn More
  9. A rugged, portable Hanna pH meter that complies with IP67 standards and measures for pH, ORP, and temperature. Comes with all necessary accessories to perform a pH/temperature measurement packaged into a durable carrying case. Calibration can be performed up to five points with seven preprogrammed standard pH buffers and five custom ones to achieve a pH accuracy of ±0.002 with ±0.001 pH resolution. Offers a pH Range of -2.0 to 20.0 pH and pH resolution options of 0.1 pH, 0.01 pH, or 0.001 pH. Learn More
  10. A 3-in-1 pre-amplified multi-parameter probe that measures pH, EC/TDS, and temperature within a single polypropylene body. It is ideal for measuring the pH, EC/TDS, and temperature in greenhouses, hydroponics, and other agricultural applications. Designed for use with Hanna’s HI9814 portable multi-parameter meter. Learn More
  11. This is a multiparameter (pH, EC, TDS, and temperature) probe replacement for the HI981420. It features a pre-amplified pH electrode, amperometric EC/TDS sensor, a built-In Temperature Sensor, a DIN connector, and a rugged polypropylene body. Learn More
  12. This pH electrode for the HI9814 Groline portable pH/EC/TDS meter is well designed for direct measurement of pH in soil and soilless media. It has a glass body and is refillable. It has a single junction pH electrode with a DIN connector. It has a triple ceramic junction in the outer reference cell and a conic pH sensing tip that is made with low temperature glass. There is an integrated amplifier and built-in temperature sensor for automatically temperature compensated pH readings. Comes with a 6 month warranty. Learn More
  13. Perfect for reservoirs more than 6.5 ft from controller unit. Place probes into chamber for direct measurement of nutrient solution. Compatible with Bluelab Pro Controller & Dosetronic models. Learn More
  14. The Bluelab Inline pH Probe is the replacement probe for the Bluelab Guardian Monitor Connect Inline. Learn More
  15. The Bluelab pH automatic dosing machine allows for hands-free monitoring and dosing of solution pH levels. Simple. pH raise or lowers automatically for you. With dosing lockouts to prevent over-dosing. International power supply. Learn More

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