Opsytec Dr.Grobel FlowMissio 穿流光度计 (双射, 253.7nm)

Wavelength: 253,7 nm

Measuring range: 0 - 100 % transmission

Resolution: 0,1 %

Measuring time: 2,2 s

Measuring cell: 50 mm

Dimensions: 400 x 250 x 360 mm

Housing protection: IP65

Weight: 12 kg

Allowed pressure: 8 bar

Mains: 100 - 240 V, 50/60 Hz, 20 W

Lamp lifetime: typical 2000 h

Operation temperature: 10 to 40 °C

Humidity: < 80%, non-condensing

Interface: 4 - 20 mA, USB

Relay contacts: 2 x 250 V, 1A




The UV photometer FlowMissio is a double-beam photometer with a pressurized water flow-through cell for monitoring the absorption of water at 254 nm. A number of organic impurities, ozone, turbidity, and other substances can be detected using this sensitive short measuring wavelength. 

The double-beam photometer compensates for lamp aging and thus serves to achieve accurate measuring results. Referencing to an empty cell or a reference liquid is available.

The photometer uses an optical path length of 50 mm. Operation of the photometer is menu-controlled with a graphical display. Measuring data are shown on the display. They are also transferred to an analog and a digital interface. Two adjustable alarm thresholds are available for the system controller via relay contacts. The UV photometer requires low maintenance. The lamp should be changed every 2,000 hours and the flow-through cell should be cleaned regularly depending on the water quality.

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