JIRS PH/ORP-6800 industrial online ORP controller supports switchable ORP and pH measurement with matching sensor probe. It features dual high/low limit relays for automatic chemical dosing control, isolated 4-20mA analog output and optional RS485 Modbus communication. Built-in auto/manual temperature compensation, password lock, power-saving backlight and ESD overvoltage protection. This panel-mounted monitor fits wastewater, chemical, electroplating, printing, swimming pool and aquaculture water monitoring with multi-voltage power supply. Pre-calibrated at factory for long-term stable low-drift measurement.

EC/TDS-6800 Online Conductivity TDS Resistivity Controller | Industrial Water Monitor with Dual Relay Alarm, Isolated 4-20mA & Modbus RS485 Output, PID Control, Panel Mount Water Quality Transmitter for Pure Water, Wastewater, Food & Chemical Industry

JIRS CL-6850 is an industrial online free chlorine controller designed for continuous monitoring and control of free chlorine, HOCl, pH and temperature in water. Featuring a non-membrane constant voltage sensor, it requires no diaphragm or reagent replacement, delivering high sensitivity, fast response and low maintenance. Ideal for drinking water plants, swimming pools, bottling lines and industrial water treatment.

JIRS industrial online pH meter pH ORP controller features auto and manual temperature compensation dual high low limit relay alarm isolated 4 20mA output and optional RS485 Modbus to provide accurate real time water quality detection for electroplating chemical printing and wastewater industries.

JIRS EC/TDS-6800 is a single-channel online controller that simultaneously measures conductivity, TDS, resistivity and temperature with PT1000 auto compensation.

JIRS EC/TDS-600 online conductivity TDS controller is a compact panel mount industrial water monitor. With auto temperature compensation, dual relay alarm and isolated 4-20mA output, it supports optional RS485 Modbus and multiple matching sensors. Ideal for RO, hydroponics, cooling water and water treatment systems, customizable and OEM available.

ZS-6850 online Turbidity Transmitting Controller.

Industrial online Free chlorine and HOCL, PH monitoring and controlling analyzer.

DO-6850 online Dissolved Oxygen Temperature Transmitting Controller is a micro computerized precision instrument.

DO-6800 online Dissolved Oxygen Temperature Transmitting Controller is a micro computerized precision instrument.

ORP-TRA-600 online ORP transmitter is an accurate instrument used for industrial online ORP measurement and ORP controlling.

The instrument is easy to install and use, operates safely, has a strong adaptability to the environment, and requires little
maintenance. It widely used for the water treatment environmental protection, industrial waste water, chemical industry etc.

PH-TRA-600 online PH transmitter is an accurate instrument used for industrial online PH measurement and PH controlling.
The instrument is easy to install and use, operates safely, has a strong adaptability to the environment, and requires little maintenance. It widely used in the fields of Agricultural hydroponics, water treatment environmental protection, industrial waste water, chemical industry etc.