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Product category: Environmental Sensors
DEN-1 Densitometer by Grant Bio McFarland is a used environmental sensors listing available on Machinery Masters. Browse specifications, request seller details, and find similar equipment on Machinery Masters.
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Grant Bio McFarland - DEN-1 Densitometer
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This listing is for a Grant Bio McFarland DEN-1 Densitometer
The unit is in full working condition and is ready for immediate release.
The DEN-1 is a compact benchtop turbidity/densitometer instrument manufactured by Grant Bio (part of Grant Instruments). It is designed primarily for life-science and microbiology applications — for example, measuring the turbidity of cell suspensions (bacterial, yeast) or other particulate suspensions.
Typical uses include:
Determining cell concentration in fermentation or culture processes
Assessing microbial susceptibility (via turbidity changes)
Identifying microorganisms in test systems
Measuring optical density / turbidity at a fixed wavelength for dyes or suspensions
Cambridgeshire, United Kingdom5,791 km away
Model Number
DEN-1
Stock Number
281051.SR10B 281052.SR10B
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Typical context for this category of equipment. Always confirm specifics with the seller.
Applications & Use Cases
- Determining cell concentration in fermentation or culture processes.
- Assessing microbial susceptibility via turbidity changes.
- Identifying microorganisms in test systems.
- Measuring optical density/turbidity at a fixed wavelength for dyes or suspensions.
- General quality control in microbiological and biotechnological laboratories.
Typical Specifications
- Typical measurement range
- Typically 0.00 to 15.00 McFarland units, or equivalent optical density.
- Measurement accuracy
- For this class of equipment, accuracy is commonly ±0.1 McFarland units for standard ranges.
- Power supply
- Units of this type commonly operate on low voltage DC, supplied via a universal AC adapter (e.g., 100-240V AC input).
- Sample volume
- Typically requires small sample volumes, often 2-3 ml in standard cuvettes or test tubes.
- Wavelength
- Commonly operates at a fixed wavelength, typically 565 nm, optimised for McFarland scale measurements.
- Footprint
- As a benchtop unit, it typically has a compact footprint, suitable for laboratory benches with limited space.
Frequently Asked Questions
- A McFarland Densitometer is primarily used in microbiology and life sciences to measure the turbidity or optical density of cell suspensions, such as bacterial or yeast cultures. This helps in standardising cell concentrations for various assays.
Machinery Masters Intelligence. General guidance for this category of equipment only, not a substitute for the seller's exact specifications. Always confirm details with the seller.