Used Lab Equipment

Features:

This spectrophotometer is a modular system that allows its user to interchange a versatile range of accessories to correspond with the characteristics of a given sample. It is equipped with limitless configuration of accessories to enhance the accuracy and speed of the user’s application.

Specifications:

• Dimensions (W x H x D): (30.6 in x 13.7 in x 40.2 in)
• Optics: All reflective optics for high sensitivity at all wavelengths, and for
  Microsamples
• Source: 450 W CW Ozone-free Xenon arc lamp (250 to 2500 nm)
• Excitation grating: 1200 groove/mm blazed at 330 nm
• Emission grating: 1200 groove/mm blazed at 500 nm
• Bandpass: 0 to 30 nm (single mono, 1200 gr/mm grating), continuously adjustable
                   0 to 15 nm (double mono, 1200 gr/mm grating), continuously adjustable
• Wavelength Accuracy: ± 0.5 nm
• Integration Time: 1 ms to 160 s
• Base detector: Photomultiplier R928P, spectral coverage 200 to 870 nm
• Reference Detector: UV enhanced silicon photodiode
• Water Raman S/N: > 30,000:1 RMS (> 15,000:1 FSD)
• Phosphorescence Option: < 10 μs to >10 s

Description:

The Welch 8890A, GEM 1.0 is a durable vacuum pump with a superior vapor handling capability. The Welch 8890A, Direct Drive Vacuum dual stage rotary vane mechanical vacuum pump offers an excellent ultimate pressure of  1 x 10-1 Torr. These pumps are commonly used for vacuum furnace evacuation, backing turbomolecular pumps, backing diffusion pumps, rotary evaporation, refrigeration system evacuation, epoxy degassing, vacuum sterilization, backing mass spectrometers, freeze drying, vacuum centrifugal applications, vacuum distillation, space research, and other vacuum processes. This pump also is well suited for use in gas analyzers, continuous gas-flow lasers, general-purpose drying, and similar uses where a middle-range vacuum level is required.

Specifications:

• Ultimate Pressure (Torr): 1 x 10-1
• Sound Level (dBA): 58
• Motor/Pump Speed (60 Hz): 3450
• Weight: 24.5 lbs. (11.1 kg)
• Dimensions (L x W x H): 14.5 x 5.1 x 8.4” (36.8 x 13 x 21.3 cm)

Multiple purpose capabilities allow you to measure a wide range of analytes.

Features:

• Compact footprint provides a space-saving, convenient system
• Intuitive keyboard with integrated controls and LCD display
• Routine measurements require just a few keystrokes
• Direct measurement of routine absorbance or transmittance data
• Concentration mode for single point standard or factor-based quantitative analysis
• Bidirectional RS-232-C interface

Specifications

• Optical System: Grating based, 1200 lines/mm
• Spectral Bandwidth: <=8nm
• Wavelength Range: 325 to 1100nm
• Wavelength Accuracy: ±2.0nm
• Wavelength: Readout: 20-character, 2-line LCD
• Readout: Absorbance, %Transmittance, Concentration
• Range:
  • -0.1 to +2.5A
  • 0 to 125%T
  • 0 to 1999C
• Accuracy:
  • ±0.003A from 0 to 0.3A
  • ±1% from 0.3 to 2.5A
• Noise (at 500nm): <=0.001A at 0A; ±0.004A at 2A
• Drift: 0.003A/hour
• Stray Radiant Energy: <=0.1%T at 340 and 400nm
• Communication Ports
  • RS-232-C (serial)
  • Centronics-compatible (parallel)
• Dimensions: 13L x 12W x 7 in.H (33 x 30 x 19cm)
• Net Weight: 10 lb. (4.5kg)

To achieve the GloMax-20/20's high sensitivity, the luminescence channel is positioned directly below the sample well. These conditions maximize light capture. In addition, a low-noise photomultiplier tube ensures that collected light is not compromised. The dynamic range of the GloMax-20/20 is more than adequate to cover common luminescence applications, thus reducing the need to dilute samples.

Specifications:

• Detection Modes: Luminescence
• Linear Dynamic Range: >8 logs
• Read Type: Glow, Flash, Kinetic, Repeat
• Sample Format: 1.5ml microcentrifuge tubes, 35mm petri dishes
• Sample Adapter: Holds 1.5ml microcentrifuge tubes
• User Interface: Touch screen navigation and operation

The GS-800 calibrated densitometer offers superior accuracy, sensitivity, and data reproducibility. It automatically self-calibrates the optical density to optimize detection.Unlike laser densitometer systems, the GS-800 calibrated densitometer has both transmittance and true reflectance capabilities that allow accurate scans of both transparent and opaque samples. The advantage of true reflectance scanning is accurate detection and analysis of molecules on the surface of membranes, rather than molecules distributed throughout the membrane matrix.

Specifications:

• Wavelength: 400-750 nm
• Absorbance Range:0 - 3 OD (transmissive), 0 - 2 OD (reflective)
• Scanning Area: 29 x 40 cm (transmissive), 30 x 40 cm (reflective)
• Sampling Rate:800 x 1600 dpi
• Pixel Density:12 bit
• Dimensions: 3 x 62.6 x 19.3 cm
• Weight:8 kg

Description: The DO308 drying oven is ideal for accurate water determination of solid or viscous samples like:

• Substances that release water only at elevated temperatures such as plastics in powder or granular form
• Substances that cause side reactions with Karl Fischer reagent such as oxidizing inorganic salts
• Substances that cause problems in the titration vessel due to their consistency such as fibrous or pasty substances
• Substances that are poorly soluble or insoluble such as wool, dough, tar or coal

Specifications:

• Temperature range: 40 - 300 °C
• Temperature accuracy: ±5 °C (@300°C)
• Footprint housing: 256 x 180 mm
• Dimensions overall: 500 x 220 mm
• Voltage (auto selection): 100 ... 230 VAC   
• Max. power consumption: 450 W
• Height: 390 mm
• Weight: 9.1 kg
  
  

Features and Benefits

• Easy and fast manual handling - Easy handling for left and right handed operators. Sample exchange and sample transport into the heated zone of the oven is provided for by the simple transport system with a magnetic guide rod attached to the glass sample boat.
• Equilibrium conditions are quickly reached - The cold and the hot zone can be purged separately with dry carrier gas using a stopcock. Ambient moisture introduced during sample exchange or addition via the sleeve opening is quickly carried away. Therefore, a stable drift is reached within a short period of time.
• Enhanced operational safety - There is no need to remove the transfer tube from the titration cell after switching off the oven; just open the stopcock to avoid contamination of the oven due to underpressure. Different temperature ranges can be pre-programmed in one cycle. Safety is further improved by automatic shut down after the analysis is completed.
• Ready for use - All necessary parts including the drying unit with gas flow measurement are part of the standard delivery. If purging with dry air is desired, an optional air pump is available.

Versatile spectrometers operating in the ultraviolet (UV) and visible (Vis) spectral ranges. Optical components are coated with silica for durability and holographic grating is used in the monochromator. Features a double-beam, all-reflecting system, usable for a wide range of applications.

Includes:

• Computer loaded w/ software
• 6 cell Cuvette Holder
• Peltier Port

Modes Of Operation:

• Scanning
• Wavelength program
• Time-drive
• Rate
• Quant
• Scanning quant

Features:

• True double-beam operation
• High throughput, low stray-light optics
• Pre-aligned deuterium and tungsten-halogen lamps
• Wide range of accessories and consumables

Benefits:

• Very high stability, high accuracy and reproducibility.
• Easily passes all pharmacopoeia and regulatory performance tests
• Quickly replaced for minimal downtime
• Perfect for any liquid sample
• Select the version that best matches your analysis needs and the skill level of your operators

Applications:

• Routine UV/ Vis Testing
• Liquids Analysis
• Solids, Pastes, and Powder Samples
• Regulatory Tests requiring variable bandwidths

Specifications:

• Temperature Range: Ambient 15ºC to 35ºC
• Relative Humidity: 20% to 80% (without condensation)
• Dimensions: 650 x  560 x 260 nm (W x D x H)
• Wavelength Range: 190 nm to 1100 nm
• Wavelength Accuracy: ±0.1 nm
• Wavelength Reproducibility: ±0.1 nm
• Spectral Bandwidth: 0.5 nm, 1 nm, 2 nm, 4 nm
• Beam Center Height: 15 mm
• Optical Path Length: 121 mm
• Scan Speeds (nm/min): 7.5, 15, 30 , 60, 120, 240, 480, 960, 1920 and 2880
• Photometric Range: 0% to 100%
• Detector: Photodiodes
• Grating: Holographic, 1053 lines/mm
• Lamp Change: Automatically at 326 nm
• Radiation Sources: Pre-Aligned Deuterium and Halogen Lamps
• Digital Port: One RS 232 C Interface
• Type: Scanning Double-Beam
• Pollution Degree: 2
• Altitude: Up to 2000 m

Features:

The M7 is an accurate, reliable and precise system which is suitable to both routine analysis and precision research applications. It can work with different manufacturers’ GC systems. The M7 MS can be widely used in food safety, environmental protection, material chemical industry, college education & research, life science, medicinal research, criminal investigation and many other fields. These applications benefit from its high performance, long service life and PERSEE’s strong after-sales service.

â—† User-friendly design makes the maintenance much easier 

â—† Compatible with different brand and models GC system

â—† The powerful GC-MS workstation is intuitive, simple and easy to operate. 

â—† The unique remote-control function enables powerful technical support 

â—† Competitive price and maintenance cost  

â—† Lifetime free workstation software update

Specifications:

• GC&MS Interface: Capillary direct interface,independent temprature control, 50-300 ℃
• Filament: Dual for EI,maximun emitting current 300uA
• Ionization Enegy: 10-100 eV adjustable
• Ion Source Temprature: Independent temprature control, maximum 350 ℃, adjustable
• Mass Analyzer: High precision metal Molybdenum Quadrupole with pre-quadrupole
• Backing Pump: Mechanical pump, geometric pumping speed 165 L/min
• Turbo Pump: Turbo molecular pump, pumping speed 71 L/s, 260 L/s optional
• Detector: Electron muliplier
• Mass Range: 1.5-1050 u
• Mass Accuracy: ±0.1 u
• Resolution(R): Unit mass resolution
• Mass Stability: ±0.1 u/48h
• Maximum Scanning Speed: 11000 u/s

Multiskan Spectrum makes getting results easier, replacing separate spectrophotometers and microplate reading instruments by providing both functions in one convenient, compact instrument.  The Multiskan Spectrum is truly two instruments in one, combining both cuvette reading capabilities and advanced microplate reading in one convenient, compact instrument.  You can easily take quick absorbance measurements in a cuvette between the cycles of a microplate enzyme kinetics experiment. 

For maximum flexibility, Multiskan Spectrum accepts all microplate for mats from 6- to 384-wells, as well as cuvettes from standard to ultra micro capacities in glass, plastic, or quartz. You can take multiple photometric readings per well on large format plates, or single measure ments requiring just 30 μl in 384-well plates.

Scanning range of 200 – 1000 nm.  The built-in monochromator makes it simple to select any wavelength from 200 nm to 1000 nm in 1 nm steps without ever changing a filter. Sample absorbances can be scanned over the whole spectrum either in microplates or cuvettes.

Typical applications of the Multiskan Spectrum

• UV/Visible spectrophotometry
• Spectrum scan
• Nucleic acid analysis
• RNA concentration (A260)
• ssDNA concentration (A260)
• dsDNA concentration (A260)
• DNA purity (A260/A280)
• Enzyme kinetics
• E.g.,Vmax and Km
• Protein analysis
• Biuret protein determination
• Bradford protein determination
• BCA protein determination

Technical Specifications

Performance

• Wavelength range 200 – 1000 nm
• Read-out range 0 – 4 Abs
• Linearity 0 – 3 Abs, ±/- 2% at 450 nm
• Accuracy ± 1% or ± 0.005 Abs (0 – 2 Abs)
• ± 2.0% (2 – 3 Abs)
• Precision CV < 1% (0 – 2 Abs)
• CV < 2% (2 – 3 Abs)
• Optical bandpass 2 nm
• Wavelength accuracy ± 1 nm
• Stray light < 0.02% at 230 nm

General Specifications

• Microplate types 6-, 12-, 24-, 48-, 96- and 384-well plates
• Wavelength selection Tunable monochromator, 200 – 1000 nm in increments of 1 nm
• Light source 10 W Xenon flash lamp
• Detectors Photodiodes
• Incubator temperature range Ambient (+25°C) +4°C to 45°C
• Mains input 100 – 240 V (50/60 Hz) autoranging
• Power consumption 200 VA
• Dimensions 397 mm (W) x 217 mm (H) x 450 mm (D)
• [15.6” (W) x 8.5” (H) x 17.7” (D)]
• Weight 12.5 kg (27.5 lbs.)

Description:

Thermo Scientific™ NanoDrop 8000 is a muti-sample micro-volume UV-Vis spectrophotometer. With the NanoDrop 8000, you can measure more samples in less time with the same reliability and patented sample retention technology of the NanoDrop 2000.

Specifications:

• Absorbance Accuracy: 3% (at 0.74 Abs at 350nm)
• Absorbance Range: 0 - 75Abs
• Accuracy: 0.003 *SD of 10 individual measurements at 0.74Abs
• Accuracy (Absorption): 3% (at .74 at 350nm)
• Applications: Nucleic acid, protein, cell culture and custom methods
• Certifications/Compliance: UL/CSA and CE
• Detection Limits: 2.5 ng/µL (dsDNA), 0.15 mg/mL (BSA)
• Detection Range: 2.5-3,700 ng/µL (dsDNA), 0.15 - 100 mg/mL (BSA)
• Detector Type: 2048-element linear silicon CCD array
• Footprint: 24 x 32 cm
• Lamp: Xenon Flash Lamp
• Measurement Time: <20 sec.
• No. of Samples: Up to 8
• Pathlength: 0.1, 0.2 and 1.0 mm
• Sample Volume: 1µL
• Spectral Resolution: ≤3 nm (FWHM at Hg 546.1 nm)
• Voltage: 12VDC
• Wattage: ±1 nm
• Wavelength Accuracy: ±1 nm
• Wavelength Range: 220 - 750 nm
• Weight: 3.4 kg

Includes:
• Computer w/ Software
• Necessary Cables
• Manual

The NanoDrop 1000 Spectrophotometer measures 1 ul samples with high accuracy and reproducibility. The full spectrum (220nm-750nm) spectrophotometer utilizes a patented sample retention technology that employs surface tension alone to hold the sample in place. This eliminates the need for cumbersome cuvettes and other sample containment devices and allows for clean up in seconds. In addition, the NanoDrop 1000 Spectrophotometer has the capability to measure highly concentrated samples without dilution (50X higher concentration than the samples measured by a standard cuvette spectrophotometer).

UV/VIS spectrophotometry is simple for samples as small as 1 ul using the NanoDrop 1000 Spectrophotometer. The small sample requirement and ease of use make the NanoDrop 1000 Spectrophotometer ideally suited for measuring:
• Nucleic acid concentration and purity of nucleic acid samples up to 3700 ng/ul (dsDNA) without dilution
• Fluorescent dye labeling density of nucleic acid microarray samples
• Purified protein analysis (A280) up to 100 mg/ml (BSA)
• Expanded spectrum measurement and quantitation of fluorescent dye labeled proteins, conjugates, and metalloproteins
• Bradford Assay analysis of protein
• BCA Assay analysis of protein
• Lowry Assay analysis of protein
• Pierce Protein 660 nm Protein Assay
• Cell density measurements
• General UV-Vis spectrophotometry

Specifications:

• Sample Size: 1 microliter
• Path Length: 1 mm (with auto-ranging to 0.2 mm)
• Light Source: Xenon flash lamp
• Detector Type: 2048-element linear silicon CCD array
• Wavelength Range: 220-750 nm
• Wavelength Accuracy: 1 nm
• Wavelength Resolution: 3 nm (FWHM at Hg 546 nm)
• Absorbance Precision: 0.003 absorbance ( 1mm path)
• Absorbance Accuracy: 2% (at 0.76 absorbance at 257 nm)
• Absorbance Range: 0.02-75 (10 mm equivalent absorbance)
• Detection Limit: 2 ng/microliter (dsDNA)
• Maximum Concentration: 3700 ng/microliter (dsDNA)
• Measurement Cycle Time: 10 seconds
• Dimensions: 14 cm X 20 cm
• Weight: 1.6 kg
• Sample Pedestal Material of Construction: 303 stainless steel and quartz fiber
• Operating Voltage: 12 Vdc
• Operating Power Consumption: 6 W
• Standby Power Consumption: 1.5 W Heating : 37 ± 0.5 °C

The NanoDrop 3300 significantly lowers the mass detection limit more than an order of magnitude, compared to conventional fluorometers. With its advanced features and analysis options, the NanoDrop 3300 allows for a diverse range of measurements from routine RiboGreen, PicoGreen, and GFP to advanced nanoparticle and FRET analysis.

Specifications:

• Excitation Wavelength: UV: 265nm, Blue: 470nm, White: 460-650nm
• Depth: 20 cm
• Width: 14 cm
• Weight:5 kg (3.3 lb)
• Wavelength Range: 400 – 750 nm
• Wavelength Accuracy: +/- 1 nm
• Volume Sample: 1 uL

Features:

It is the most versatile ICP-MS on the market, featuring an array of unique technologies that combine to deliver the highest performance no matter what your analytical challenge. Discover the effortless versatility of an instrument that makes it easy to handle any sample matrix, any interference, and any particle size.

Specifications:

• Depth: 69.0 cm
• Height:
• Portable:  No
• Weight: 150.0 kg
• Width: 81.0 cm

Engineered to deliver a level of stability, flexibility, and performance never before seen. This instrument represents the first truly significant and revolutionary industry advancement in recent memory.

Specifications:

• Temperature Range: –20Ëš to +60ËšC
• Relative Humidity: 20% to 80% (without condensation)
• Altitude: 0 to 12,000 m
• Maximum Rate of Change: 3ËšC per hour

Operation is simple. Any sample can be analyzed, results are faster and more accurate for greater confidence. Three modes of operation: Standard, Collision, and Reaction, give ultimate application flexibility and level of sensitivity without compromising speed.

Specifications:

• Quadrupole scan speed: 5000 amu/sec
• Background signal: Mass 220  < 1 cps
• Short-term precision: < 3% RSD
• Long-term stability: < 4% RSD over 4 hours
• Isotope-ratio precision: < 0.08% RSD
• Mass calibration stability: < 0.05 amu over 8 hours of continuous operation
• Quadrupole peak hop (slew) speed: 1.6M amu/sec