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DEN-1 & DEN-1B Densitometer

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!

Leírás

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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DEN-1 & DEN-1B Densitometer

Options and accessories