LISA: UV sensor for SAC254 measurement

LISA: UV sensor for SAC254 measurement

LISA UV combines energy-efficient UV-LED technology with a robust sensor design for long-term monitoring of organic water parameters. It supports flexible configuration and enables reliable measurement or calculated outputs such as BOD, COD, TOC or UVT254.
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Light Source 2 LED (254 nm, 530 nm)
Detector Photo diode
Measurement principle Attenuation, Transmission
Optical path 1 mm, 2 mm, 5 mm, 10 mm, 50 mm
Parameter SAC254, CODeq, BODeq, TOCeq, UVT, Turb530
Measuring range at 1 mm path 5…1500 m-1 SAC254
Measuring range at 10 mm path 0,5…150 m-1 SAC254
Detection limit at 1 mm path 5 m-1 SAC254
Detection limit at 10 mm path 0,5 m-1 SAC254
Precision at 1 mm path 2,5 m-1 SAC254
Precision at 10 mm path 0,25 m-1 SAC254
Turbidity compensation at 530 nm
Data logger ~ 2 MB
T100 response time min. 4 s
Measurement interval min. 2 s
Housing material Stainless steel (1.4571/1.4404) or titanium (3.7035)
Dimensions (L x Ø) 300 mm x 48 mm (with 10 mm path) ~ 11.8” x 1.9” (with 10 mm path)
Weight stainless steel ~ 2,7 kg (with 10 mm path) ~ 6 lbs (with 10 mm path)
Weight titanium ~ 1,9 kg (with 10 mm path) ~ 4.2 lbs (with 10 mm path)
Interface digital Ethernet (TCP/IP), RS-232 or RS-485 (Modbus RTU)
Interface analog Ethernet (TCP/IP), 4…20 mA
Power consumption ≤ 1 W
Power supply 12…24 VDC (± 10 %)
Maintenance effort ≤ 0.5 h/month (typical)
Calibration/maintenance interval 24 months
System compatibility Modbus RTU or Analog Out (4…20 mA)
Warranty 1 year (EU: 2 years) US: 2 years
Max. pressure with SubConn 30 bar ~ 435 psig
Max. pressure with fixed cable 3 bar ~ 43.5 psig
Max. pressure in FlowCell 1 bar 2…4 L/min ~ 14.5 psig, 0.5 to 1 gpm
Protection type IP68 NEMA 6P
Sample temperature +2…+40 °C ~ +36 °F to +104 °F
Ambient temperature +2…+40 °C ~ +36 °F to +104 °F
Storage temperature -20…+80 °C ~ -4 °F to +176 °F
Inflow velocity 0,1…10 m/s ~ 0.33 fps to 33 fps
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UV sensor for organic water parameters SAC254
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