These instruments have to be used in conjunction with the HI 8936 transmitters series. Thanks to this installation it is possible to receive a signal without any noise from a distance of up to 300 meters from the measuring point.

Conductivity Transmitter (High Range @ 19.99 mS/cm) Using 4-Ring Technology.

Conductivity Transmitter (High Range @ 199.9 mS/cm) Using 4-Ring Technology.

Conductivity Transmitter (Low Range @ 199.9 µS/cm) Using 4-Ring Technology.

Conductivity Transmitter (Low Range @ 1999 µS/cm) Using 4-Ring Technology.

BL 983324 is a panel mounted TDS controller, designed for easy installation, configuration and maintenance.

These instruments have been designed for TDS control in hydroponics, horticulture and water conditioning. Compact in size, they can be mounted in confined spaces or even right next to the vat or barrel containing the chemicals.

These instruments have been designed for TDS control in hydroponics, horticulture and water conditioning. Compact in size, they can be mounted in confined spaces or even right next to the vat or barrel containing the chemicals.

These instruments have been designed for TDS control in hydroponics, horticulture and water conditioning. Compact in size, they can be mounted in confined spaces or even right next to the vat or barrel containing the chemicals.

These instruments have been designed for TDS control in hydroponics, horticulture and water conditioning. Compact in size, they can be mounted in confined spaces or even right next to the vat or barrel containing the chemicals.

BL 983318 is a mini controller that has been designed for easy, affordable installation in tight spaces, ideal for simple yet effective process control.

BL 983317 and BL 983327 are panel mounted mini controllers with an output relay, that has been designed for easy, affordable installation in tight spaces, ideal for simple yet effective process control.

These Hanna mini controllers have been specially designed for water conditioning and growing applications. Compact in size, they can be mounted in confined spaces or even right next to the vat or barrel containing the chemicals.

These Hanna mini controllers have been specially designed for water conditioning and growing applications. Compact in size, they can be mounted in confined spaces or even right next to the vat or barrel containing the chemicals.

HI 9935 is a 2-in-1 pH and TDS controller engineered for dosage of fertilizer solutions in hydroponics.

They are provided with automatic compensation for variations in temperature. The probe is easy-to-clean and requires very little maintenance. The calibration is performed at 1 point, through a trimmer.

The HI 700 series of regulators offer state-of-the-art specifications for your process control. They can be configured for ON/OFF, Proportional, PI or PID control.

BL 983314 is a simple-to-operate resistivity controller designed for ultra pure water, R.O., and water conditioning applications. The BL 983314 resistivity controller is also ideal for continuous monitoring of process solutions. Set point and calibra

These controllers allow the direct connection of a potentiometric conductivity probe (HI 7638) with a cable up to 20 meters long, without using any transmitter.

These controllers allow the direct connection of a potentiometric conductivity probe (HI 7638) with a cable up to 20 meters long, without using any transmitter.

These controllers allow the direct connection of a potentiometric conductivity probe (HI 7638) with a cable up to 20 meters long, without using any transmitter.

These controllers allow the direct connection of a potentiometric conductivity probe (HI 7638) with a cable up to 20 meters long, without using any transmitter.