Waters Micromass Maldi LR TOF

Available from KRSS a used fully refurbished and serviced Micromass Maldi LR TOF mass spectrometer. Price includes installation, training and 6 months warranty. 

The MALDI-LR is a bench top MALDI-TOF Mass Spectrometer optimized for automated high throughput protein identification by “peptide mass fingerprinting - database searching” in reflectron mode, and analysis of intact proteins in linear mode.

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    mass specs from KRSS
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Inlet System

  • Precision flat target plate sample introduction system.
  • Micro-titer plate format sample target plates:
    • 96 well, 3.0 mm diameter, 4.5 mm pitch, rectangular 12 by A-H with additional 24 near-point calibration wells.
    • 384 well, 1.5 mm diameter, 2.25 mm pitch, rectangular 24 by A-Q (high density micro-titer plate format).
  • Automatic target plate positional indexing system.
  • Stepper motor X-Y drive with 4 micron resolution.
  • User programmable plate formats.

Ion Optics

  • Reflectron optics with effective path length of 2.3 m. Path length to linear detector: 1.0 m.
  • Grounded “time lag focusing” source (delayed extraction) optics with immersion lens focusing optimized for maximum ion transmission.

Detector System

  • 2 gigasample per second 8-bit transient digitizer with real time peak display.
  • Fast dual micro-channel plate (MCP) detectors.
  • Signal gating for rejection of low mass matrix ions.


  • Nitrogen UV laser (337 nm wavelength).
  • Motorized iris and neutral density filter for automated laser energy control.

Pumping System

  • 240 l/s turbomolecular pump.
  • 1.5 m3/h rotary vacuum pump.

Why purchase used refurbished
mass specs from KRSS

KRSS Ltd offer high quality pre-owned Mass Spec, LCMS, GCMS, HPLC and GC systems allowing affordable entry into a rapidly developing market.

All KRSS instruments are thoroughly inspected by manufacturer trained engineers (including all components and parts), cleaned and decontaminated, completely refurbished (defective parts and components are replaced with genuine parts), serviced and bench tested to ensure the equipment meets the manufacturers original specifications - this guarantees quality, performance and reliability at a fraction of the OEM costs.

With over 50 instruments in stock, covering all major manufacturers KRSS has systems for a variety of application requirements. All instruments are supplied with a comprehensive warranty and optional service contracts to ensure trouble free operation.


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