Suspended Solid measure

Principle of measure

Optical IR (870 nm) based on IR absorption

Range of measure

SS: 0-50 g/L / Turbidity: 0-4000 FAU / Sludge blanket: 0-100%

Resolution

SS: 0.01 g/L / Turbidity: 0.01 to 1 FAU / Sludge blanket: 0.01 to 0.1%

Accuracy

SS: < 10% / Turbidity: +/- 5% (range 200-4000 FAU) / Sludge blanket: +/- 2%

Response time

< 35 secondes

Temperature measure

Principle of measure

NTC

Working temperature

-5.00°C to +60.00°C

Resolution

0,01 °C

Accuracy

+/- 0.5 °C

Storage Temperature

-10°C to +60°C

Degree of protection

IP 68

Signal Interface

Modbus RS-485 or SDI-12

Refreshment of the measure

Maximum < 1 seconde

Power supply

5 to 28 volts

Consumption

Standby: 25 µA (5V) / Average RS485 (1 measure/seconde): 4.5 mA (5V) / Average SDI12 (1 measure/seconde): 4.5 mA (5V) / Current Pulse: 100 mA during 30 mS / Heating times: 100 mS

Sensor

Weight

750 g (sensor)

Material

DELRIN, Nickel-plated brass, EPDM

Pressure max.

5 bars

Cable / connexions

9 armoured connectors, polyurethane jacket, bare-wires or waterproof Fisher connector