Cambridge Scientific
Used Lab Equipment

Used Lab Equipment

We offer an assortment of refurbished and used Spectrometers / Spectrophotometers ranging from Spectrofluorometer, Fluorescence, Atomic Absorption (AA), ICP, to UV / Vis / NIR Spectrometers and Microplate. Some of our popular manufacturers include Beckman, Perkin Elmer, HP, Hitachi, Varian and Bio-Tek. We have one of the largest inventories of Mass Spectrometers available. We also offer service contracts, installation and training. Browse our inventory of used mass spec products below.

Hplc Uv/vis Detector: 1-15 of 209

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Waters 2487 HPLC UV/VIS Detector

Waters 2487 HPLC UV/VIS Detector

Cambridge Scientific ID #'s: 16396, 16626

The Waters 2487 Dual λ Absorbance Detector is a two-channel, tunable, ultraviolet/visible (UV/Vis) detector designed for high-performance liquid chromatography (HPLC) applications. The Waters 2487 Dual λ Absorbance Detector can operate either as a stand-alone unit (with a chart recorder or integrator) or as an integral part of a Waters chromatography system.

 

Specifications:

  • Wavelength range: 190 to 700 nm
  • Bandwidth: <5 nm
  • Wavelength accuracy: +1.0 nm
  • Wavelength repeatability: +0.1 nm
  • Single λ dry noise: <5 µAU (at 230 nm, 1 –second digital filter, 30-second segments, 10-Hz data rate, analytical cell)
  • Wet noise: <8 µAU (at 230 nm, 1-second digital filter 30-second segments, 10-Hz data rate, analytical cell)
  • Dual channel noise (dry): <35 µAU (measured at 230 nm, running at 230 to 280 nm with 2-second filter at 1-Hz data rate; dry, analytical cell)
  • Dual channel noise (wet): <45 µAU (measured at 230 nm, running at 230 to 280 nm with 2-second filter at 1-Hz data rate; 1 ml/min, flow of acetonitrile, analytical cell)
  • Linearity: <5% at 2.5 AU, propylparaben at 257 nm
  • Drift: 1.0 x 10-4 AU/hr. max (∆T = +2°C/hr.)
  • Thermal drift: 1.0 x 10-4 AU/°C max (∆T = +2°C/hr.)
  • Sensitivity setting range: 0.0001 to 4.0000 AUFS
  • Filter setting range
    • Single-wavelength: 0.1 to 5.0 seconds
    • Dual-wavelength: 1 to 50 seconds
  • Time-constant: To 5.0-second Hamming filter
  • Digital data rates:
    • 1,2,5,10,20,40,80 Hz (single channel)
    • 1,2 Hz (dual channel)
  • Analog output data rates (single λ mode):
    • 10,20,40,80 Hz (channel A)
    • 10 Hz only (channel B)
  • Lamp source: 30-W High Brightness Deuterium lamp, 0.5 nm aperture, pre-aligned 2000 silicon photodiodes (matched pair)
  • Second-order filter: Automatic for wavelengths > 370 nm
  • Wavelength calibration filter: Erbium filter, used at startup or on demand
  • Flow cell: TaperSlit flow cell design
  • Nitrogen purge: Purge fitting present on optics bench
  • Path length: 0 mm (standard analytical)
  • Cell volume: 10 µL (standard analytical)
  • Pressure limit: 6895 kPa (69 bar,1000 psi)
  • Materials: 316 stainless steel, fused silica, Tygon
  • Operating temperature: 4 to 40 °C (39 to 104 °F)
  • Operating humidity: 20% to <95%, noncondensing

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Agilent 8453 HPLC UV/VIS Detector

Agilent 8453 HPLC UV/VIS Detector

Cambridge ID #: 17711

System Includes:

  • Agilent G1103A UV-Vis Spectrophotometer
  • G1115AA/BA Spectral B.04.xx 32 Bit Chemstation Software or C.01.xx OpenLab Software (your choice)
  • Computer With Windows 7 Pro or Windows XP Operating System
  • Cables and Accessories

Specifications:

  • Wavelength range: 190–1100 nm
  • Slit width: 1 nm
  • EP resolution test: > 1.6 toluene in hexane, ratio abs. at 269 nm/266 nm
  • Stray light:
    • < 0.03 % at 340 nm (NaNO2, ASTM)
    • < 0.05 % at 220 nm (NaI, ASTM)
    • < 1 % at 198 nm (KCl, EP)
  • Wavelength accuracy:
    • < ± 0.5 nm 0.5-second scan (NIST 2034)
    • < ± 0.2 nm at 486.0 and 656.1 nm
  • Wavelength reproducibility: < ± 0.02 nm ten consecutive scans (NIST 2034)
  • Photometric accuracy:
    • < ± 0.005 A at 440.0, 465.0, 546.1, 590.0, and 635.0 nm, 1 A (NIST 930e)
    • < ± 0.01 A at 235, 257, 313, 350, 430 nm, (potassium dichromate, EP method)
  • Photometric noise: < 0.0002 A sixty 0.5 second scans at 0 A, 500 nm, rms
  • Photometric stability: < 0.001 A/h at 0 A, 340 nm, after 1-hour warm up, measured over 1 hour, every 5 seconds, constant ambient temp.
  • Baseline flatness: < 0.001 A 0.5-second blank, 0.5-second scan, rms
  • Typical scan time: 5 second full range
  • Shortest scan time: 1 second full range
  • Time until next scan: 1 second full range, 0.1-second scan, up to 150 consecutive scans
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Waters Acquity TUV Detector UPLC TUV Detector

Waters Acquity TUV Detector UPLC TUV Detector

Cambridge Scientific ID #'s: 12726, 15339, 15345

The ACQUITY UPLC TUV Detector is a tunable, dual wavelength ultraviolet/visible (UV/Vis) detector that offers optimal linearity, resolution, and sensitivity for UPLC/UV separations.  It features uniquely designed, patented, light-guiding flow cell technology, low-noise performance (6 μAU), and support for data rates up to 80 Hz.  The ACQUITY UPLC TUV Detector, coupled with our innovative ACQUITY UPLC Column chemistries and separations modules, leverages ultra-low dwell volume and low-noise, high-speed detection to bring productivity, sensitivity, and resolution that are unprecedented in HPLC techniques being used in the laboratory today.

 

Specifications:

  • Wavelength range: 190 to 700 nm
  • Wavelength accuracy: ±1 nm
  • Linearity range: Deviation at 2.5 AU ≤5%, propylparaben, at 257 nm
  • Baseline noise:6 x 10^-3 AU, at 230 nm, 10 mm shunt cell, 1.0 second filter time constant
  • Drift: ≤5.0 x 10^-4 AU/hour/°C at 230 nm
  • Sampling rate: Up to 80 points/s
  • Unattended operation: Leak sensors, full diagnostic data captured through console software
  • Light source: Prealigned, intelligent technology Deuterium lamp
  • Flow cell design: Light-guiding UPLC flow cell with intelligent chip technology
  • Path length: 10 mm (analytical flow cell)
  • Cell volume: 500 nL (analytical flow cell)
  • Pressure limit: 1000 psi (all flow cells)
  • Wetted materials: 316 stainless steel, fused silica, Teflon AF, PEEK (analytical flow cell)
  • Optical bandwidth: 5 nm
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Eppendorf Biophotometer Spectrophotometer UV/Vis Reader

Eppendorf Biophotometer Spectrophotometer UV/Vis Reader

Cambridge Scientific ID #'s: 12243, 12066, 11707

 

State-of-the-art technology with an easy-to-use format in a compact footprint: that is the Eppendorf BioPhotometer! It's large key pads, pre-programmed methods, and pre-set wavelengths and conversion factors greatly simplify the sample quantification. The large LCD screen displays the sample concentrations, absorption values, OD260/OD230 and OD260/OD230 and sample dilutions at a glance.

 

Features:

  • Compact design, easy to transport
  • Robust housing, splash- and water-resistant
  • High-value components guarantee high operating safety
  • Metal housing ensures high stability
  • Xenon flash lamp source with extremely long service life
  • Ready to measure immediately (no warmup time)
  • Self-explanatory, extremely simple operation
  • Measurement only takes approx 2 seconds
  • Programmed methods: ssDNA, dsDNA, RNA, Oligo, Protein, Lowry/Lowry micro, Bradford/Bradford micro, BCA/BCA micro, and OD 600
  • Optional background correction at 320 nm for UV methods
  • Automatic calculation of sample dilution
  • Simple conversion using the "Conversion" key
  • Up to 10 standards for colorimetric analyses
  • Storage of the last 100 results and all corresponding data
  • Storage of all calibrations
  • Sample data and calibration data can be called up after being stored

 

Specifications:

 

  • Optical system:  Absorption, single-beam photometer with reference beam
  • Light source: Xenon flash lamp
  • Light beam height: 8.5 mm
  • Spectral range:  220 to 750 nm
  • Wavelengths: Xe 230; 260; 280; 320; 562; 595 nm
  • Spectral range width: 5 nm: 230 to 320 nm; 7 nm: 562 to 595 nm
  • Photometric measuring range: 0,000 to 3,000 A
  • Photometric accuracy: ±1% at 1 A
  • Photometric precision: < 0.5% at 1 A
  • Method-dependent evaluation:    - Absorbance/concentration using factor
    • Concentration using calibration with 1 to 10 standards
    • One-point calibration (1 std) / linear regression (2 to 10 standards)
    • Non-linear regression (polynom, 3rd degree; 4 or 5 standards), 1x, 2x or 3x determination
    • Ratio 260/280, ratio 260/230, molar concentration, total yield
    • Warburg formula for protein direct A280
  • Calibration memory: For protein methods
  • Results memory: For 100 results with absorbance, ratio values, sample no., dilution, date and time
  • Printer interface: RS-232C, serial, for printer or PC with BioPhotometer software package
  • Power consumption: Approx. 20 W in operation; 10 W in standby mode
  • Cuvettes: UVette and common rectangular cuvettes of suitable glass or plastic materials
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Beckman Coulter DU 640 Spectrophotometer UV/Vis Reader

Beckman Coulter DU 640 Spectrophotometer UV/Vis Reader

Cambridge Scientific ID #'s: 3260, 6271, 13440, 8354, 6917, 9983

Features:

  • Single-beam, microprocessor-controlled
  • Measurements in the UV-VIS range, operates in the wavelength range of 190-1100 nm
  • Provides fixed wavelength, wavelength scan, and kenetics/time as standard modes. Features:
  • Wavelenght accuracy: +/- 0.2nm
  • Photometric readout: (-0.300) -3.000A / 0.0-200.0%T
  • Bandpass: 1.8 nm
  • Scan speed: 120, 240, 600, 1200, 2400 nm/min,

Includes:

  • Monitor
  • Keyboard
  • Mouse
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Beckman Coulter DU 650 Spectrophotometer UV/Vis Reader

Beckman Coulter DU 650 Spectrophotometer UV/Vis Reader

Cambridge ID #: 9156

Features:

  • Wavelength Range: 190 to 1100
  • Wavelength Setability: 0.1 nm increments
  • Wavelength Accuracy: ± 0.2 nm (at D, peak 656.1 nm)
  • Wavelength Repeatability: ± 0.1 nm (at 1)--, peak 656.1 nm)
  • Spectral Bandwidth: 1.8 nm
  • Photometric Readout: - 0.300 to 3.000 A or 0.010 200.0 %T
  • Photometric Accuracy: ± 0.005 A (at 1 A with N1ST 930D solid filter at 546 nm)
  • RMS Noise: < 0.0002 A RMS (OA, average readings at 500 nm)
  • Stray Light: ± 0.001 A (from 220 to 800 nm, at OA)
  • Scanning Speeds: 120. 240, 600, 1200, 2400 nm/minute.
  • Data Collection Rate: 20 samplings/second

 

Specifications:

  • Width: 69 cm (27 in)
  • Height: 61 cm (24 in)
  • Depth: 53 cm (21 in)
  • Weight: 37 kg (81 lbs)
  • Line Voltage: 100/120V ± 10% or 220/240V ± 10%
  • Frequency: 50/60 Hz
  • Power: 200 watts typical
  • Temperature Operating Range: +15°C to 40°C (59°F to 104°F)
  • Humidity: < 85% maximum relative humidity, not to exceed 32.5°C WBT

 

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BioTek Epoch Microplate UV/VIS Reader

BioTek Epoch Microplate UV/VIS Reader

Cambridge ID #: 18049

Features:

Epoch Microplate Spectrophotometer includes monochromator-based optics that provides filter-free, wide wavelength range for UV-Vis absorbance measurements in various microplate formats. This spectrophotometer is controlled by Gen5 Software that allows intricate data analysis, yet simple programming. This product is cost-effective and requires low maintenance.

Specifications:

General:

  • Detection modes: Absorbance
  • Read methods: Endpoint, kinetic, spectral scanning, well area scanning
  • Microplate types: 6- to 384-well plates
  • Other labware supported: Take 3 Micro-Volume Plates


Absorbance:

  • Light source: Xenon flash
  • Detector: photodiode
  • Wavelength selection: monochromator
  • Wavelength range: 200 to 999 nm, in 1 nm increments
  • Monochromator bandwidth: 5 nm
  • Dynamic range: 0 - 4.0 OD
  • Resolution: 0.0001 OD
  • Pathlength correction: yes
  • Monochromator wavelength accuracy: + 2 nm
  • Monochromator wavelength repeatability: + 0.2 nm
  • OD accuracy: 0 to 2 OD: +1% +0.010 OD , 2 to 2.5 OD: +3% +0.010 O
  • OD linearity: 0 to 2 OD: +% +0.010 OD , 2 to 2.5 OD: +3% +0.010 OD
  • OD repeatability: 0 to 2 OD: +1% +0.005 OD , 2 to 2.5 OD: +3% +0.005 OD
  • Reading speed (kinetic): 96 wells - 15 seconds | 384 wells - 31 seconds

Physical Characteristics:

  • Power: 100 - 240 Volts AC. 50/60 Hz.
  • Dimensions: 12" W x 12.5" D x 7.7" H
    (30.5 cm x 31.8 cm x 19.6 cm)
  • Weight <15 lbs (6.8 kg)
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Perkin Elmer Lambda 25 Spectrophotometer UV/Vis Reader

Perkin Elmer Lambda 25 Spectrophotometer UV/Vis Reader

Cambridge Scientific ID #'s: 16946, 11107

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
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Perkin Elmer Lambda 35 Spectrophotometer UV/Vis Reader

Perkin Elmer Lambda 35 Spectrophotometer UV/Vis Reader

Cambridge ID #: 15568

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
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Thermo Labsystems Multiskan Spectrum Microplate UV/VIS Reader

Thermo Labsystems Multiskan Spectrum Microplate UV/VIS Reader

Cambridge ID #: 17010

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.)
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Qiagen QIAxpert Spectrophotometer UV/Vis Reader

Qiagen QIAxpert Spectrophotometer UV/Vis Reader

Cambridge ID #: 19218

Description:

QIAxpert is an innovative high-speed microfluidic UV/VIS spectrophotometer which profiles sample content to differentiate between DNA and RNA and sample impurities. QIAxpert is fast and easy to use, analyzing up to 16 samples within 2 minutes — just pipet samples onto the QIAxpert slide, place it into the reader, and select the pre-programmed method on the integrated touchscreen. QIAxpert is the right tool for any fast-paced lab performing nucleic acid quantification and quality control.

Specifications:

  • Absorbance precision: 0.001 OD
  • Absorbance accuracy: 4% (0.66 OD at 350 nm)
  • Data output: USB, TCP/IP or QR code
  • Dimensions (W x D x H): 23 x 28 x 30 cm
  • DNA concentration range: 1.5 ng/μl up to 2000 ng/μl dsDNA (A260 dsDNA application)
  • Light source: Xenon flash lamp
  • Measurement range (10 mm equivalent): 0.03–40 OD
  • Measurement time: Approximately 2 minutes for fully loaded slide
  • Optical System: Ultrasensitive photodiode array spectrophotometer for UV-VIS range
  • Path length: 0.5 mm
  • Photometric range: 0.0005–2.0 OD
  • Power supply: 100–240 V, 50/60Hz (operating voltage 24 VDC)
  • Sample amount: 2 µl
  • Sample residence time: 2 hours
  • Samples per run (throughput): 1–16 samples per run (blanks included)
  • Software: On-board software; newest software can be downloaded at www.qiagen.com/QIAxpert
  • Type: UV/VIS polychromatic system + reference channel
  • Wavelength accuracy: ≤0.2 nm
  • Wavelength range: 230–750 nm
  • Wavelength reproducibility: 0.1 nm
  • Wavelength resolution: <3 nm
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Bio-Rad Smartspec 3000 Spectrophotometer UV/Vis Reader

Bio-Rad Smartspec 3000 Spectrophotometer UV/Vis Reader

Cambridge ID #: 9216

Specifications:

  • Wavelength Range: UV and Visible ranges 200 to 800 nm
  • Wavelength accuracy: (+/-) 2 nm
  • Spectral bandwidth: 5nm
  • Light source: Xenon flash lamp
  • Detector: Photodiode array
  • Number of cuvettes: one Size of cuvettes 100 µl, 700 µl, 1.5 ml, 3.5 ml
  • Pathlength: 1 mm, 2 mm, 5 mm and 10 mm
  • Display: 2 x 24 alphanumeric built-in backlit LCD display
  • Printer: Built-in alphanumeric/graphic
  • Interface: RS-232 serial port
  • Scan speed: 200–800 nm in 20 seconds max
  • Dimensions: 33cm(W)x26cm(D)x14cm(H)
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Molecular Devices Spectramax 250 Microplate UV/VIS Reader

Molecular Devices Spectramax 250 Microplate UV/VIS Reader

Cambridge ID #: 17245

Includes:

  • Computer Loaded with SoftMax Pro 5.4.1
  • All Necessary Cables and Cords
  • Manuals

 

The SPECTRAmax 250 microplate spectrophotometer has a xenon flash lamp and grating monochromator that facilitate direct UV measurement of DNA- RNA- and protein in microplates. Up to 96 assays can be run at one time using disposable or quartz microplates. The purity of DNA can be measured with A260/A280 ratios. Also- users can perform spectral scans from 250 nm to 750 nm to simplify qualitative analyses of numerous samples. The product reportedly reduces sample volumes in experiments because the assays are performed in a microplate instead of cuvettes. SOFTmax PRO microplate data- analysis software- for use with the SPECTRAmax 250- provides built-in spreadsheet capabilities for easy data analysis and reporting.

Specifications:

  • Wavelength Range: 250-700 nm
  • Photometric Range: 0.000 to 4.000 OD
  • Wavelength Selection: Monochromator, tunable in 1-nm increments
  • Photometric Linearity (405 nm): 0 to 3.000 OD
  • Wavelength Bandwidth: 5 nm
  • OD Resolution: 0.001 OD
  • Endpoint Read Time: 9 seconds
  • Temperature Range: Ambient to 45 C
  • Kinetic Read Time: 9-second minimum interval
  • Temperature Uniformity (Microplate): +/-0.5 C @ 37 C well-to-well

 

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Molecular Devices SpectraMax 340PC Microplate UV/VIS Reader

Molecular Devices SpectraMax 340PC Microplate UV/VIS Reader

Cambridge Scientific ID #'s: 12898, 7496, 12899

Includes:

  • Computer Loaded with Softmax Pro 5.4.1
  • All Necessary Cables and Cords
  • Manuals

 

General Specifications

  • Dimensions (in.): 8.6 (h) x 22.8 (w) x 15 (d)

 

Performance Specifications

  • Wavelength Range: 340 - 850 nm
  • Wavelength Selection: Monochromator, tunable 1.0 nm increments
  • Wavelength Bandwidth: 2 nm
  • Wavelength Accuracy: < ± 1.0 nm
  • Wavelength Repeatability: ± 0.2 nm
  • Photometric Range: 0.0 to 4.0 OD
  • Photometric Accuracy: < ± 0.006 OD ± 1.0%, 0.0 - 2.0 OD
  • Photometric Precision: < ± 0.003 OD ± 1.0%, 0.0 - 2.0 OD
  • Light Source: Xenon flash lamp
  • Temperature Range: Ambient + 4 °C up to 45 °C
  • Temperature Uniformity: ± 0.5 °C @ 37 °C

 

Microplate Read Time:

  • Endpoint
    • 96-well: 9 seconds
    • 384-well: 29 seconds
  • Kinetic
    • 96-well: 9 second minimum interval
    • 384-well: 29 second minimum interval
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Milton Roy Spectronic 21D Spectrophotometer UV/Vis Reader

Milton Roy Spectronic 21D Spectrophotometer UV/Vis Reader

Cambridge ID #: 12631

Spectronic 21 Digital Model with UV Capabilities features linear digital readouts in % T, A, and concentration; push-button decimal selection; and an RS-232 interface port. Three-position sensitivity switch and the 100% T/zero A control let you select desired instrument gain setting. Digital display alerts you to out-of-range conditions.

 

Spectrophotometer includes a universal test tube/cuvette holder (accepts 10- to 26-mm pathlength test tubes or 1- to 10-mm pathlength rectangular cuvettes), twelve 10-mm pathlength test tube cuvettes, spare tungsten lamp, occluder block, operating manual, dust cover, and 3-ft cord with U.S. standard plug.

 

Specifications:

  • Bandwidth: 10 nm
  • Wavelength range: 200 to 1000 nm
  • Wavelength accuracy: >2 nm at 254, 365, and 546 nm
  • Photometric range: Transmittance: 00.0 to 100.0% T
  • Absorbance: 0.000 to 1.990 A
  • Concentration: 000 to 1990 C
  • Detector: Solid-state silicon
  • Output: 0 to 1.0 VDC; RS-232
  • Stray light: 0.05%T at 340 nm
  • Model: SPECTRONIC 21
  • Source lamp: Tungsten/deuterium
  • Display: 3-1/2-digit LED, 7/16" H
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Milton-Roy-Spectronic-21D-Spectrophotometer-UV-Vis-Reader-12631
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