OPUS features the new TriOS G2 interface, allowing fast and easy configuration of sensors by using a web browser. Integration into existing process control systems and external data loggers has never been easier.
With the optional battery pack, mobile applications are also feasible. WiFi connectivity allows laptops, tablets or smartphones to be easily used for control without any special application software or app installation.
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Light source
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Xenon flash lamp
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Detector
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High-end miniature spectrometer
256 Channels
200 to 360 nm
0.8 nm/pixel
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Measurement principle
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Attenuation, spectral analysis
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Optical path
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0,3 mm, 1 mm, 2 mm, 5 mm, 10 mm, 20 mm, 50 mm
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Parameter
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Nitrate NO3-N, Nitrite NO2-N, CODeq, BODeq, DOCeq, TOCeq,
TSSeq, KHP, SAC254, COD-SACeq, BOD-SACeq
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Measurement accuracy
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see measurement ranges next page
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Turbidity compensation
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Yes
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Data logger
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~ 2 GB
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T100 response time
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2 min
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Measurement interval
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≥ 1 min
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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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470 mm x 48 mm (bei 10 mm path)
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~ 18.5“ x 1.9“ (with 10 mm path)
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Weight stainless steel
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~ 3 kg (bei 10 mm path)
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~ 6.6 lbs (with 10 mm path)
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Weight titanium
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~ 2 kg (bei 10 mm path)
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~ 4.4 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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Power consumption
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≤ 8 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
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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 at 0.5 to 1.0 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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Measurement Range
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Parameter
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Measurement principle
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Unit
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Factor
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path length [mm]
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0.3
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1
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2
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5
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10
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20
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50
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absorbance
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spectral
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AU**
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-
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0.01...2.2
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0.01...2.2
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0.01...2.2
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0.01...2.2
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0.01...2.2
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0.01...2.2
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0.01...2.2
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absorbance
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spectral
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1/m
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-
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50...7300
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15...2200
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7.5...1100
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3...440
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1.5...220
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0.75...110
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0.3...44
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Nitrate N-NO3
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spectral
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mg/L
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-
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1.0...330
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0.3...100
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0.15...50
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0.06...20
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0.03...10
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0.015...5
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0,006...2
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Nitrate NO3
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spectral
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mg/L
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-
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4.43...1460
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1.33...440
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0.67...220
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0.27...88
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0.13...44
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0.067...22
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0.030...9
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Nitrite N-NO2
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spectral
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mg/L
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-
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1.7...500
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0.5...150
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0.25...75
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0.1...30
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0.05...15
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0.025...7.5
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0.01...3
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Nitrite NO2
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spectral
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mg/L
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-
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5.6...1650
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1.65...500
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0.82...250
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0.33...100
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0.17...50
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0.083...25
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0.033...10
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DOCeq
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spectral
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mg/L
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-
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17...3300
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5.0...1000
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2.5...500
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1.0...200
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0.5...100
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0.25...50
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0.1...20
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TOCeq
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spectral
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mg/L
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-
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17...3300
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5.0...1000
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2.5...500
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1.0...200
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0.5...100
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0.25...50
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0.1...20
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CODeq
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spectral
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mg/L
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-
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100...7300***
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30...2200***
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15...1100***
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6.0...440***
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3.0...220***
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1.5...110***
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0.6...44***
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BODeq
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spectral
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mg/L
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-
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100...7300***
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30...2200***
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15...1100***
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6.0...440***
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3.0...220***
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1.5...110***
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0.6...44***
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KHP
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spectral
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mg/L
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-
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17...13300
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5.0...4000
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2.5...2000
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1.0...800
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0.5...400
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0.25...200
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0.1...80
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SAC254
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Single wavelength
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1/m
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-
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50...7300
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15...2200
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7.5...1100
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3.0...440
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1.5...220
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0.75...110
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0.3...44
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COD-SACeq****
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Single wavelength
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mg/L
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1.46
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75...10600
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22...3200
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11...1600
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4.4...640
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2.2...320
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1.1...160
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0.44...64
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BOD-SACeq*****
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Single wavelength
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mg/L
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0.48
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24...3500
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7.2...1050
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3.6...525
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1.44...210
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0.72...105
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0.36...52.5
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0.15...21
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TSSeq*****
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Single wavelength
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mg/L
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2.6
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130...4300
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40...1300
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20...650
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8.0...260
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4...130
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2.0...65
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0.8...26
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under laboratory conditions
** absorbance unit
*** depending on the composition of the COD and BOD (sum parameter)
**** based on KHP (Note: 100 mg/L COD-standard-solution corresponds to 85 mg/L KHP)
***** based on SiO2
Note:
1 mg/L N-NO3 corresponds to 4.43 mg/L NO3
1 mg/L N-NO2 corresponds to 3.28 mg/L NO2
Versions  |
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US 1374 
MY 245 
AP 161 
CN 123 
AU 81 
GB 63 
IE 63 
NZ 57 
