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Small design. Big on performance.

The MERLIN 4 is a mid-range CCD spectrometer available as a dedicated single-base unit as well as a versatile multi-base system. It is well suited for the metal production and inspection & contract lab industries and perfectly suited for the metal processing industry. It is available in 2 models: the MERLIN 4 Ultimate and MERLIN 4 Visible. The MERLIN 4 Ultimate covers a range of 175-521 nm and the MERLIN 4 Visible: 201-521 nm. Most calibration elements are covered.


MERLIN 4 Visible MERLIN 4 Ultimate
Al, Mg, Zn, Sn, Pb Fe, Co, Cu, Al, Mg, Zn, Sn, Pb, Ti
All alloying elements and major traces All alloying elements and major traces
Digital source for high precision Digital source for high precision
ARUN factory calibration ARUN factory calibration
Gas consumption: low flows, no optic flush, lower grade Gas consumption: low flows, not optic flush, lower grade
Light path – direct Light path – direct

Optical System Paschen-Runge
Wavelength Range 175 – 521nm (Ultimate)

206 – 521nm (Visible)

Power Supply Line input 90 or 260 volts AC 50-60 Hz
EMC IEC61000-4-2



Working Temperature 10° to 30° C
Argon Purity 99.998% or 99.999% purity
Argon Flow When burning – 3L per minute

On standby – 0.1L per minute

Dimensions 650 x 390 x 780mm
Weight 70kg
Maximum Excitation Power 400VA
Optical Source Type 50VA
Discharge Frequency 400Hz maximum
Discharge Current 150A maximum
Spark Stand Aperture 12mm


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