Up to 7 water quality parameters can be measured in one device, therefore several standard instruments can be replaced by a single USI. See the features and benefits below, and for full details of the USI’s range of measurement and control refer to the product brochure.

The parameters available to be measured with our USI:

Sensors can be either free mounted in tanks or channels or inserted into pipes using Smart Storms bespoke pipe brackets.

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The USI water quality meter comes as standard with an ultrasonic sensor and an integral pH meter.

To implement the pH meter, purchase an ISE pH sensor which will connect direct.

You can add further Modbus water quality sensors from a choice of:

pH, Turbidity, Dissolved Oxygen and conductivity. Each of these sensors has an integral temperature sensor.

One Modbus sensor can be connected directly to the USI. However up to four Modbus sensors can be connected via the optional interface box.

The USI will log all parameters measured for up to 22 years. It comes with a pc based software package and a USB stick as standard. Data can be downloaded onto

Examples:

I want to just measure flow:

Purchase:  USI only

I want to measure flow and pH

Purchase: USI and the ISE pH sensor

I want to measure Flow, pH and Turbidity.

Purchase: USI, the ISE pH sensor and the Modbus Turbidity sensor

I want to measure Flow, pH, Turbidity and Dissolved Oxygen

Purchase: USI, the ISE pH sensor, the Modbus Turbidity sensor, the Modbus Dissolved Oxygen Sensor and the Interface box.

Isolated 4-20mA inputs are required where the input cable may be subject to high voltage spikes either from other electrical machinery or lightening. These could seriously damage the USI and in such applications isolated inputs should be added as an option.