LISA – The state of the art SAC254 sensor by TriOS
Light Source
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2 LED (254 nm, 530 nm)
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Detector
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Photo diode
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Measurement principle
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Attenuation, Transmission
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Optical path
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1 mm, 2 mm, 5 mm, 10 mm, 50 mm
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Parameter
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SAC254, CODeq, BODeq, TOCeq, UVT, Turb530
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Measuring range at 1 mm path
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5...1500 m-1 SAC254
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Measuring range at 10 mm path
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0,5...150 m-1 SAC254
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Detection limit at 1 mm path
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5 m-1 SAC254
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Detection limit at 10 mm path
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0,5 m-1 SAC254
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Precision at 1 mm path
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2,5 m-1 SAC254
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Precision at 10 mm path
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0,25 m-1 SAC254
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Turbidity compensation
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at 530 nm
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Data logger
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~ 2 MB
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T100 response time
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min. 4 s
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Measurement interval
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min. 2 s
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Housing material
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Stainless steel (1.4571/1.4404) or titanium (3.7035)
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Dimensions (L x Ø)
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300 mm x 48 mm (with 10 mm path)
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~ 11.8” x 1.9” (with 10 mm path)
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Weight stainless steel
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~ 2,7 kg (with 10 mm path)
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~ 6 lbs (with 10 mm path)
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Weight titanium
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~ 1,9 kg (with 10 mm path)
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~ 4.2 lbs (with 10 mm path)
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Interface digital
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Ethernet (TCP/IP), RS-232 or RS-485 (Modbus RTU)
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Interface analog
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Ethernet (TCP/IP), 4...20 mA
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Power consumption
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≤ 1 W
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Power supply
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12...24 VDC (± 10 %)
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Maintenance effort
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≤ 0.5 h/month (typical)
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Calibration/maintenance interval
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24 months
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System compatibility
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Modbus RTU or Analog Out (4...20 mA)
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Warranty
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1 year (EU: 2 years)
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US: 2 years
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Max. pressure with SubConn
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30 bar
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~ 435 psig
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Max. pressure with fixed cable
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3 bar
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~ 43.5 psig
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Max. pressure in FlowCell
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1 bar, 2...4 L/min
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~ 14.5 psig, 0.5 to 1 gpm
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Protection type
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IP68
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NEMA 6P
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Sample temperature
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+2...+40 °C
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~ +36 °F to +104 °F
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Ambient temperature
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+2...+40 °C
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~ +36 °F to +104 °F
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Storage temperature
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-20...+80 °C
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~ -4 °F to +176 °F
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Inflow velocity
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0,1...10 m/s
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~ 0.33 fps to 33 fps
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Parameter
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According to
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Unit
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Factor
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Path Length [mm]
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1
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2
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5
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10
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50
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SAC254nm
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DIN 38404-3: 2005-07 C3
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1/m
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-
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5...1500
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2.5...750
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1...300
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0.5...150
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0.1...30
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CODeq**
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-
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mg/L
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1.46
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8...2200
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4...1100
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1.5...440
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0.8...220
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0.15...45
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BODeq**
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-
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mg/L
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0.48
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2.5...700
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1.25...350
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0.5...140
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0.25...70
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0.05...15
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TOCeq**
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-
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mg/L
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0.584
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3...880
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1.5...440
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0.6...175
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0.3...90
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0.06...20
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Turbidity 530 nm
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-
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FAU***
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3.2054 / 0.0096
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20...4000
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10...1400
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4...420
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2...200
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0.4...40
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