Metrohm USA, Inc. SPELEC NIR Instrument (900-2200 nm) DRP-SPELEC-NIR

Operating modes - Bipotentiostat ; Potentiostat ; Galvanostat PC interface - USB Power - 12 V DC Potential range in volt - ±4V Maximum current in Ampère - ±40 mA Number of current ranges - 8 Number of current ranges remarks - ±1 nA to ±10 mA Number of potential ranges (galvanostat) - 2 Number of potential ranges remarks (galvanostat) - ±100 mV to ±1 V Multichannel instrument - NO Maximum number of channels - 1 Maximum number of WE sharing AUX and REF - 2 Potential accuracy - ±0.2% Current accuracy - ≤0.5% of current range at 100 nA to 10 mA Potential resolution - 1 mV Current resolution - 0.1% of current output range Measured potential resolution - 0.012 % of potential range Measured current resolution - 0.025 % of current range Spectrometer (SPM) Detector - InGaAs photodiode array 256 pixels TE cooled SPM Pixels - 256 pixels (up to 512 pixels under request) SPM Pixel size - 50 µm x 250 µm SPM Pixel well depth - ~62,500 electrons SPM Wavelength range - 900- 2200 nm SPM Optical resolution - ~17.9 nm FWHM SPM Signal-to-noise ratio - 10000:1 (at 100 ms integration time) SPM A/D resolution - 16 bit SPM Dark noise - 6 RMS counts at 100 ms; 12 RMS counts at 250 ms SPM Dynamic range - 15 x 106 (system);10000:1 for a single acquisition SPM Integration time - 1 ms to 2 s Light Source (LS) wavelength range - 400-2500 nm (tungsten halogen) LS Bulb life - >2,000 hours Easy replacement Dimensions - 24 x 11 x 25 Weight of the instrument in kg - 3.6