• Determination of chlorophyll in water as a method to estimate and monitor the total concentration of algae in water bodies.


Online probe for the determination of chlorophyll in water.


The method is based on the spectroscopic determination of chlorophyll through the measurement of the fluorescence at a specific wavelength.


Measured parameter Chlorophyll


400 ppb
Demineralized water Not required

Reagents and standards

Technical Specifications

Model 3S-CHL
Sampling Mode Continuous.
Sample Pressure: Atmospheric
Temperature: 5 ‐ 50°C (41 ‐ 122°F)
Flow Rate: 80 to 500 mL/min
Connection: 6 mm (¼-in.)
Drain Pressure-free drain
Connection: 12 mm (½-in.)
Input Streams 2
Material Titanium
Dimensions (H x W x D) 156 x 36 x 36 mm (6.1 x 1.4 x 1.4 in)
Weight 1 kg (2 lbs)
Power Supply Input Voltage: 115 VAC,230 VAC
Power consumption: max. 80 W
Output signals 2 x 4-20 mA analog outputs
Modbus via RS485,Ethernet
Alarms 2 SPDT programmable voltage-free relays
Digital Input None
Ambient Temperature 5 - 50 °C (41 - 122 °F)
Ambient Humidity 100 % RH
Protection Grade IP68