Category Archives: อุปกรณ์วัด Control System (Wall Mounted Process Control)

อุปกรณ์วัด Control System (Industrial Grade TDS Controller with Proportional Fertilizer Dosing for H

อุปกรณ์วัด Control System (Industrial Grade TDS Controller with Proportional Fertilizer Dosing for Hydroponics Applications)

HI 9934 Industrial Grade TDS Controller with Proportional Fertilizer Dosing for Hydroponics Applications HI 9934 is a  wall mounted meter that controls TDS in the 0 to 1999 ppm (mg/L) range through a single set point for dosage of fertilizers. The proportional control can be fine tuned through the time cycle between 0 to 90 seconds and the proportional band from 0 ... Read More »

อุปกรณ์วัด Control System (Industrial Grade EC Controller with Proportional Fertilizer Dosing for Hy

อุปกรณ์วัด Control System (Industrial Grade EC Controller with Proportional Fertilizer Dosing for Hydroponics Applications)

HI 9931 Industrial Grade EC Controller with Proportional Fertilizer Dosing for Hydroponics Applications HI 9931 is a wall mounted meter that measures and controls conductivity in the 0 to 10 mS/cm range. A single set point allows for proportional dosage of fertilizer solutions. The proportional settings can be fine tuned through two conveniently positioned dials on the front panel. The time cycle ... Read More »

อุปกรณ์วัด Control System (Industrial Grade ORP Controller with Proportional Dosage)

อุปกรณ์วัด Control System (Industrial Grade ORP Controller with Proportional Dosage)

HI 9920 Industrial Grade ORP Controller with Proportional Dosage HI 9920 is an ORP controller with a single set point for user selectable dosage of reducing or oxidizing solutions. Any ORP electrode ending in a BNC connector can be directly attached to the controller. With proportional control, you can fine tune your treatment plant and minimize the use of chemicals. The proportional ... Read More »

อุปกรณ์วัด Control System (Industrial Grade pH Controller with Single Set point and Proportional Dos

อุปกรณ์วัด Control System (Industrial Grade pH Controller with Single Set point and Proportional Dosage)

HI 9910 Industrial Grade pH Controller with Single Set point and Proportional Dosage HI 9910 is a pH controller with a single set point for proportional dosage of acid or alkaline solutions. Any pH electrode ending in a BNC connector can be directly attached to the controller. The proportional control can be fine tuned through two dials on the front panel. The ... Read More »

อุปกรณ์วัด Control System (Industrial Grade Fertigation Controller for Process Control Requirements)

อุปกรณ์วัด Control System (Industrial Grade Fertigation Controller for Process Control Requirements)

HI 9914 Industrial Grade Fertigation Controller for Process Control Requirements HI 9914 is a wall mounted fertigation controller, designed to meet specific process control requirements in agricultural, horticultural and hydroponics applications. The controller is provided with two measuring channels, one for pH and one for conductivity. The readings are displayed simultaneously on two backlit, independent LCDs. The conductivity probe is designed with a ... Read More »

อุปกรณ์วัด Control System (Industrial Grade pH & Conductivity Controller with Proportional Control o

อุปกรณ์วัด Control System (Industrial Grade pH & Conductivity Controller with Proportional Control of Fertilization)

HI 9913 Industrial Grade pH & Conductivity Controller with Proportional Control of Fertilization HI 9913 is a 2-in-1 pH and conductivity controller engineered for dosage of fertilizer solutions in hydroponics and agriculture. HI 9913 measures pH from 0 to 14 and EC from 0 to 10 mS/cm. Two separate set points can be user adjusted from 4 to 7 pH and 0 to ... Read More »

อุปกรณ์วัด Control System (Industrial Grade ORP Digital Controllers Wall Mounted with Matching Pin)

อุปกรณ์วัด Control System (Industrial Grade ORP Digital Controllers Wall Mounted with Matching Pin)

HI 22 Industrial Grade ORP Digital Controllers Wall Mounted with Matching Pin The HI 22 controllers have been engineered with the same outstanding quality and features as the HI 21 meters. The Fail Safe Alarm System protects these meters against the pitfall of process control, like power interruption or line failure. User selectable timing capability safeguards against overdosing and saves money while protecting ... Read More »

อุปกรณ์วัด Control System (Industrial Grade pH Digital Controllers Wall Mounted with Matching Pin)

อุปกรณ์วัด Control System (Industrial Grade pH Digital Controllers Wall Mounted with Matching Pin)

HI 21 Industrial Grade pH Digital Controllers Wall Mounted with Matching Pin The HI 21 controllers are simple to operate, microprocessor-based pH process controllers packed with features. With HI 21 quick one, two or three point calibration at pH 4.01, 7.01 and 10.01 comes standard and you can choose from ON/OFF, proportional and PID control to save on chemicals. These instruments have ... Read More »

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