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Grant Scientific

DEN-1 & DEN-1B Densitometer
den-1b 1
Den-1 2
The Grant bio DEN-1 and DEN-1B are a compact benchtop densitometers (suspension turbidity meter) for measuring turbidity of cell suspensions in a variety of life science applications.

ÁRAJÁNLATOT, INFORMÁCIÓT KÉREK!

The densitometers are designed and factory calibrated to measure turbidity in the range of 0.5 to 4.0 McFarland units (DEN-1) 0.0 to >7.5 McFarland units (DEN-1B) with a small standard deviation. If required, it can deliver a wider

measurement range (up to 15.00 McFarland units), but with a greater standard deviation.

  • Measurement range: 0.5 to 4.0 McFarland units (DEN-1), 0.0 to >7.5 McFarland units (DEN-1B)
  • Measurement time : 1 second
  • Precision: ±3%
  • Readings, conveniently shown in McFarland units, are clearly visible on the bright LED display
  • Factory calibrated - retains calibration without power supply
  • Can be user calibrated with commercial standards or cell suspensions prepared in the laboratory
  • Designed for tubes with an outer diameter of 18mm. 16 mm tubes can also be accommodated by using the optional tube adaptor D-16
  • Extremely compact design with small footprint and low profile - fits easily into the smallest workspace
  • DEN-1b - either battery powered by 3 x AAA or via external power supply

Műszaki specifikációk
Densitometers - specification
  Densitometer
DEN-1 DEN-1B
Light source    light diode
Wavelength nm  565 ± 15
Range  McFarland units  0.3 to 15.00 0.00 to 15.00
Standard deviation, McFarland unit   0.0 McF 0.0 ± 0.1
  0.5 McF 0.5 ± 0.1
  3.0 McF  3.0 ± 0.1
  6.0 McF  6.0 ± 0.2
  ≥ 7.5 McF  7.5 ± 0.2
Precision    ± 3%
Measurement time  sec  1
Tube diameter external diameter, mm  18
  with D-16 adaptor , mm  16
Sample volume  ml  ≥ 2
Display    2 digit LED LCD / 0.01 McF
External power supply    12V, 300 mA
Independant power supply   - 3 x AAA batteries
Ambient temperature range  °C  4 to 40
Dimensions, w x d x h  mm  165 x 115 x 75
Weight kg 0.9
Applikációk

Life science - typical applications include determining concentration of cells (bacterial and yeast cells) in the fermentation process, detecting the susceptibility of micro-organisms to antibiotics, identifying micro-organisms with various test systems, and measuring optical density at fixed wavelength.

Tartozékok, kiszerelések

Options and accessories
D-16 tube adaptor for tubes with 16 mm outer diameter.
DEN MCF STDS set of liquid McFarland standards in 16mm ø glass tubes. 0.5 / 1.0 / 2.0 / 3.0 / 4.0 can be decanted into an alternative tube (shelf-life no longer valid). Requires D16 adaptor, supplied with DEN-1 / DEN-1B.
DEN MCF 18 STDS set of gel McFarland standards in 18mm ø glass tubes. 0.0 / 0/5 / 3.0 / 6.0 / >7.5.
Videók, ismertetők

Denzitométerek ismertető

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