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Cerlic ControlsPortable Sludge Blanket Tracker

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Blanket Tracker is a portable optical meter for measuring of sludge blanket depth and suspended solids in clarifiers, thickeners, aeration basins etc in water and wastewater plats, as well in other facilities. It is possible to display measured values as text or as a graphic image of the sludge profile. Two different alarms may be set to indicate fluff and sludge blanket levels. These may be displayed next to the graphic sludge profile. When levels are found the unit will alarm by a vibratior and acoustic signal. Blanket Tracker can with the built in data logger store up to 250 measurements which gives a graphic profile, with information of time, date and place. Each profile gives information of depth, detected levels of sludge blanket and fluff blanket concentrations. Blanket Tracker comes in a practical briefcase. Lifetime of battery is appr. 2-3 years at normal use.

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  • Parameter Sludge blanket and depth
  • Measuring Principle Optical & Light Transmission
  • Wave length NIR 850 nm
  • Measuring range SS 0 – ~10 000 mg/l (ppm)
  • Accuracy suspended solids 1%
  • Repeatability < 2% of measured value
  • Type of measurement Continuous with profile
  • Number of detectable levels Two (sludge blanket and fluff)
  • Measuring units g/l, mg/l, %, ppm
  • Depth units cm, dm, m, in, ft
  • Principle of depth measurement Pressure cell, absolute pressure
  • Accuracy depth measurement +/- 0,5% FS
  • Maximum depth 19 m (62 ft), three bars absolute pressure
  • Display LCD graphical, 128 x 64 pixels
  • Back light Yes
  • Languages Swedish, English, German, French
  • Log function 250 measurements with profile
  • Signal at preset alarm values Acoustic, vibration/direct value on display
  • Temperature range, sensor 0 - +50°C (32 - 122°F)
  • Temperature range hand unit -10 - +50°C (14 - 122°F)
  • Key pad 8 membrane push buttons
  • Sensor body SS316, BK7 glass windows
  • Cable PUR, shielded
  • Cable fitting MatchClamp™
  • Weight sensor 450g
  • Weight hand held unit 550g
  • Batteries 4 x AA (1.5V)
  • Battery life continuous measurement Up to 100 h
  • Battery life at normal usage Approx 2 - 3 years
  • Dimensions sensor 145x32 mm (length x Ø)
  • Dimensions hand held unit 130 x 105 x 200 mm (l x w x h)
  • Cable length 8, 12, 20 m (26, 39, 66 ft)
  • Enclosure sensor IP68 (NEMA 6P)
  • Enclosure hand held unit IP67 (NEMA 6)