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Photometry Parameter Molybdate ■ ■ ■ see page 52 Monochloramine ■ ■ ■ see page 52 Nickel ■ Nitrate ■ ■ ■ see page 52 Nitrite ■ ■ ■ ■ see page 54 Oxygen, active ■ ■ Oxygen, dissolved ■ ■ Ozone ■ ■ ■ ■ pH-value ■ ■ ■ ■ ■ Phenols ■ PHMB (Biguanide) ■ ■ Phosphate ■ ■ ■ ■ ■ see page 54 Phosphonate ■ ■ see page 54 Potassium ■ ■ ■ Silica ■ ■ ■ ■ ■ see page 54 Sodiumhypochlorite ■ ■ Spectral Absorption-Coefficient Sulphate ■ ■ ■ see page 54 Sulphide ■ ■ ■ Sulphite ■ ■ ■ Surfactants (anionic) Suspended Solids ■ ■ ■ TOC Total Hardness ■ ■ ■ ■ Total Nitrogen ■ ■ ■ see page 54 Turbidity (nephelometric) Turbidity (attenuated radiation method) ■ ■ ■ Urea ■ ■ ■ ■ ■ Zinc ■ ■ ■ ■ AL100 ■ AL250 AL250+ AL400 AL450 ■ ■ ■ AL800 also suitable for Hach-Photometer The principle of photometry When specific reagents are added, the water sample takes on a degree of coloration that is proportional to the concentration of the parameter being measured. The photometer measures this coloration. When a light beam passes through the coloured sample, energy with a specific wavelength is absorbed by the test substance. The photometer determines the coloration of the sample by measuring the transmission or absorption of light of this wavelength (in other words, monochromatic light). The photometer then uses a microprocessor to calculate the required concentration and displays the result. Mode of operation of the photometer 5 AL450 AL800 AL450T-IR General Catalogue September 2010
Photometry Photometer AL100 Precise Water Analysis in High-Quality Design NEW The AL100 uses high quality interference filters with long-life LEDs as a light source without any moving parts in a transparency sample chamber. The units supply accurate, reproducible results very quickly. Other major advantages include ease of operation, ergonomic design, compact dimensions and safe handling. The calibration and software-based adjustment options mean that the AL100 is also suitable for use as a testing instrument. The tests are conducted using either AQUALYTIC tablet reagents with long-term stability and a guaranteed minimum 5 or 10 year shelf life, VARIO powder reagents or using liquid reagents. Scroll Memory (SM) To avoid unnecessary scrolling for the required test method, the instrument memorizes the last method used before switching off the instrument. When the instrument is switched on again, the scroll list comes up with the last used test method first. Zero Setting (OTZ) For certain versions of the instrument it is not necessary to zero the instrument each time. The zero setting is held in memory (One Time Zero - OTZ). The zero setting can be confirmed whenever it is usefull. 6 Manufacturers Test Certificate M Besides the “Certificate of Compliance” which is supplied with the AL100, manufacturers test certificates M are available at cost on request. Manufacturers test certificates M are individually supplied per instrument and per method. The manufacturers test certificate M has to be ordered together with the new instrument and cannot be delivered at a later stage. Highlights ■ Waterproof*) ■ Automatic Switch-Off ■ Real-Time-Clock and Date ■ Calibration Mode ■ Backlit Display ■ Storage Function ■ Suitable for use as a testing instrument N.I.S.T Traceability The instrument has a factory calibration, which is related to international standards which are not N.I.S.T traceable. The instrument may be calibrated by the user in a "user calibration mode" with N.I.S.T traceable standards. (N.I.S.T. = National Institute of Standards and Technology) ➲ <strong>Reagents</strong> (order codes), please see pages 32 onwards *) as defined in IP 68, 1 hour at 0.1 meter0,1 Meter Regularly updated information: www.aqualytic.com General Catalogue September 2010
Page 3 and 4: Content Photometer BOD Measurement
Page 5: Photometry Photometry 4 History Mor
Page 9 and 10: Photometry Photometer AL100 8 Techn
Page 11 and 12: Photometry Photometer AL250 10 The
Page 13 and 14: Photometry Photometer AL250 Each AL
Page 15 and 16: Photometry Photometer AL250 Each AL
Page 17 and 18: Photometry COD Set-Up AL250COD VARI
Page 19 and 20: Photometry Photometer AL400 Modern,
Page 21 and 22: Photometry Photometer AL400 Technic
Page 23 and 24: Photometry Photometer AL450 Dual Be
Page 25 and 26: Photometry Photometer AL450 24 Tech
Page 27 and 28: Photometry Spectrophotometer AL800
Page 29 and 30: Photometry Spectrophotometer AL800
Page 31 and 32: Photometry Reagents Development For
Page 33 and 34: Photometry Reagents Wave lengths λ
Page 49 and 50: Photometry Powder Dispenser PD250 P
Page 51 and 52: Photometry Reagents also suitable f
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BOD-Measurement BOD Measurement Sys
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BOD-Measurement Evaluation of measu
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Cabinets Thermostatically controlle
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Cabinets Spark-free* cabinets with
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Turbidity Meters Turbidity meters T
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Turbidity Meters Turbidity meter AL
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Turbidity Meters Turbidity meter AL
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Hand-Held Meters Hand-Held Meters S
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Hand-Held Meters 72 AL20pH Technica
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Hand-Held Meters Multi Parameter Ha
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Hand-Held Meters Hand-Held Meters S
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Hand-Held Meters MicroDirect (IP 67
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Flocculation Jar Tester Jar tester
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Rapid Tests MINIKIT Accurate and ea
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Rapid Tests AQUALYTIC ® Test Kits
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CHECKIT ® Comparator CHECKIT ® Co
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Comparator 2000+ Comparator 2000+ T
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Applications of Reagents Parameter
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Index 124 Index A Alkalinity-m, tot
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Index 126 R Reagents 30 Redox S Han
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Reagents

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