Centrifuge tubes are specially designed to be placed in centrifuges to separate liquids, cells or other particles based on their density. During centrifugation, the contents are broken down into their components through rapid rotation around the fixed axis. The centrifugal force pushes the heavier components of the substance downwards, while the lighter ones remain at the top. In this way, solids can be reliably separated from liquids as well as substances of different densities.
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LLG-Precison-Hydrometer, Alcoholmeters, with thermometer, calibratable
LLG
Measuring range, graduation: 0.1% vol, with thermometer 0 to +30°C, graduation: 0.5°C, calibrated at 20°C. Filling: blue. Overall length: 380mm...
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Measuring range, graduation: 0.1% vol, with thermometer 0 to +30°C, graduation: 0.5°C, calibrated at 20°C. Filling: blue. Overall length: 380mm
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LLG-Alcoholmeter Type 5, 40-50 in 0,1% 380mm, with Thermometer 0...+30:0,5°C
Professional digital multiparameter meters for mobile measurement, with 3, 2 or 1 universal measurement channels, wireless preparation, colour graphic display (black/white display for Multi 3510), data logger manually or automatically (timed) and 2 (1 for Multi 3510) waterproof USB interfaces suitable for field use. Easy to clean with a soft brush under water jet....
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Professional digital multiparameter meters for mobile measurement, with 3, 2 or 1 universal measurement channels, wireless preparation, colour graphic display (black/white display for Multi 3510), data logger manually or automatically (timed) and 2 (1 for Multi 3510) waterproof USB interfaces suitable for field use. Easy to clean with a soft brush under water jet.
Multi 3630: The Multi 3630 IDS with three universal measurement channels is suitable for all WTW IDS pH, ORP, dissolved oxygen sensors, conductivity cells and turbidity sensors, whether connected to cable or wireless. Documentation of meter and sensor data. User control over MultiLab® users. With USB-A and Mini USB-B interface and colour display. Multi 3620: The Multi 3620 IDS with two universal measurement channels is suitable for all WTW IDS pH, ORP, dissolved oxygen sensors, conductivity cells and turbidity sensors, whether connected to a cable or wireless. Documentation of meter and sensor data. User control over MultiLab® users. With USB-A and Mini USB-B interface and colour display. Multi 3510: Sequential multi-parameter measurement. All WTW IDS pH, ORP, dissolved oxygen sensors, conductivity cells and turbidity sensors can be connected to the universal channel, either with cable or wireless module. Data transfer to PC with MultiLab® Importer. With Mini USB-B interface and black/white display. Multi 3620 IDS: Single meter in a carrying case with Quick Start Guide, CD-ROM and batteries, driver software for USB, cable, power supply Multi 3620 IDS SET C: Meter in a carrying case with IDS sensors (digital pH sensor SenTix® 940, digital conductivity cell TetraCon® 925), QSC Kit, buffer 4 and 7, conductivity standard, stand, beaker, CD-ROM, batteries, cables, power supply, arming SM Pro Multi 3620 IDS SET G: Meter in a large carrying case with IDS sensors (digital pH sensor SenTix® 940-3, optical sensor FDO® 925-3, digital conductivity cell TetraCon® 925-3), QSC Kit, stand, beaker buffer 4 and 7, conductivity standard, CD-ROM, batteries, cable, power supply , arming SM Pro
Specifications
Measuring range:
depending on IDS sensor
Memory Multi 3510 IDS:
manual: 500 data records automatic: 4500 data records
Memory Multi 3630 IDS / Multi 3620 IDS:
manual: 500 data records automatic: 10,000 data records
Dimensions (W x D x H):
approx. 180 x 80 x 55 mm
Weight:
400 g
Power supply Multi 3510 IDS:
4 alkaline batteries, USB
Power supply Multi 3630 IDS / Multi 3620 IDS:
PSU with charging function, 4 NiMH batteries (AA type), USB
Precision hydrometers acc. to ASTM E2995-14 for determination of density for mineral oil, with thermometer "mercury free".
Hydrometer with thermometer, error-limit for density: ± 0,5 kg/m³, with thermometer -20 to +65°C in 1°C, blue filling, error-limit ± 1°C. With works calibration on request. With blue, environmental friendly filling of thermometers. Each item packed in plasic tubes for breakage protection....
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Precision hydrometers acc. to ASTM E2995-14 for determination of density for mineral oil, with thermometer "mercury free". Hydrometer with thermometer, error-limit for density: ± 0,5 kg/m³, with thermometer -20 to +65°C in 1°C, blue filling, error-limit ± 1°C. With works calibration on request. With blue, environmental friendly filling of thermometers. Each item packed in plasic tubes for breakage protection.
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Battery hydrometer
Geco
Battery acid tester 1.10 to 1.30.
Boxed complete with glass tube, rubber bulb and hydrometer....
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Battery acid tester 1.10 to 1.30. Boxed complete with glass tube, rubber bulb and hydrometer.
Density: g/ml at 20 °C. Measuring ranges 0.6 to 1.0 are adjusted for liquids with low surface tension. Measuring ranges 1.0 to 2.0 are adjusted for liquids with medium surface tension....
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Density: g/ml at 20 °C. Measuring ranges 0.6 to 1.0 are adjusted for liquids with low surface tension. Measuring ranges 1.0 to 2.0 are adjusted for liquids with medium surface tension.
* Complete set with 14 insturments in stuffed case.
Hydrometers according to Baumé, without thermometer
Amarell
Scale ranges from 0° up to 70° Baumé, paper scale with well visible print, shot weighted body, at the bottom pointed end, accuracy ±1 line of scale division, reading below....
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Scale ranges from 0° up to 70° Baumé, paper scale with well visible print, shot weighted body, at the bottom pointed end, accuracy ±1 line of scale division, reading below.
0 to 100 % mas / % Vol at reference temperature: +20°C.
Without thermometer. With DAkkS calibration certificate and 3 checkpoints.
Packed in a square plastic sleeve....
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0 to 100 % mas / % Vol at reference temperature: +20°C. Without thermometer. With DAkkS calibration certificate and 3 checkpoints. Packed in a square plastic sleeve.
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Alcoholometer according to E.E. 76/765
Geco
According to E.E. 76/765. Class II, ethanol % vol. Suitable for official testing. Reference temperature: 20 °C. With thermometer....
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According to E.E. 76/765. Class II, ethanol % vol. Suitable for official testing. Reference temperature: 20 °C. With thermometer.
Density Hydrometers with an error limit of ±0.001 g/cm
3.
Packed in a square plastic sleeve.
1) with works calibration certificate
2) with DAkkS calibration certificate
3) with 1 checkpoint
4) with 3 checkpoints...
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Density Hydrometers with an error limit of ±0.001 g/cm3. Packed in a square plastic sleeve.
1) with works calibration certificate 2) with DAkkS calibration certificate 3) with 1 checkpoint 4) with 3 checkpoints
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Primostar is the basic model of Carl Zeiss MicroImaging. For higher graded systems, such as for fluorescence-, inverse- and stereomicroscopy, please contact your LLG partner.
Accessories for high precision thermometers PHYSICS
In order to meet the variety of different requirements, we offer centrifuges in a wide range of formats, sizes and materials.
Application and quality
Centrifuge tubes are used wherever the components need to be split - for example, for blood samples to separate the plasma, to isolate proteins or DNA, to collect cell cultures
or microorganisms from cultures, for the concentration of particles from environmental samples... The range of applications is diverse.
The high demands placed on these analyses also mean that no compromises can be made when selecting the centrifuge tubes used.
At Th. Geyer, we therefore focus on the highest quality and maximum safety - even at maximum speeds and high centrifugal pressure.
The material
You can choose between plastic, glass and stainless steel for the raw materials used. While stainless steel usually plays a subordinate role, plastics such as polypropylene (PP), polyamide (PA), polyethylene (PE) or polycarbonate (PC) are the standard in laboratories and research environments.
Depending on the type of plastic, centrifuge tubes can withstand very low to very high temperatures.
They are stable against chemicals and can be translucent or opaque, depending on requirements.
Centrifuge tubes made of glass impress with their basic resistance to chemicals, acids, bases and organic solvents.
The glass variants score points with their reusability and above-average durability. If required, glass allows a high degree of transparency and offers relatively easy handling
If the material is subjected to high speeds during centrifugation, plastic is usually the better choice.
Th. Geyer offers centrifuge tubes in both variants.
The sizes
Th. Geyer meets the specific requirements for the dimensions and capacity of centrifuge tubes with a large selection of different sizes.
These can be up to 500 ml, while sizes such as 50 mL and 15 mL are available for smaller filling volumes. In the micro range, centrifuge tubes are between 1.5 mL and 0.2 mL, which are mainly used in laboratories.
Of course, we offer you a wide selection of all common formats.
The lid
During centrifugation, the lid of the centrifuge tube prevents liquid from leaking out. Traditionally, screw, push-in or plug-in lids are used for this purpose, which are easy to close.
Micro centrifuge tubes are usually fitted with a snap-on cap. For very large variants, threaded lids ensure leakage protection. You will find both models with and without lids in our range.
Depending on your choice, you can always order stoppers and the like separately.
The base
The different base variants also meet the respective requirements. The conical base with its slightly tapered shape allows for selective material collection, making separation and removal much easier
Sample recovery is particularly high. Alternatively, you can also choose between self-standing centrifuge tubes with a flat base or a rounded base.
Benefit from our portfolio of centrifuge tubes
Are you looking for centrifuge tubes for demanding applications? Th. Geyer offers a wide range of the highest quality. Functional, easy to handle and with an attractive price-performance ratio.
Please feel free to send us your enquiry or contact us directly in person. We look forward to hearing from you!
