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SPELEC UV-VIS Instrument (200-900 nm) for Spectroelectrochemical Measurement
SPELEC is a tool for spectroelectrochemical measurements. It comprises a spectrometer (UV-VIS wavelength range: 200-900 nm), a bipotentiostat/galvanostat, and a lightsource in one box.
It also comes with specialized spectroelectrochemical software that enables the synchronization of optical and electrochemical studies.
Tech Specs
Source: Metrohm USA Inc.
| . | . |
|---|---|
| Operating modes | Bipotentiostat; Potentiostat; Galvanostat |
| PC interface | USB |
| Power | 12 V DC |
| Potential range in volt | ±4 V |
| 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 | Linear silicon CCD array |
| SPM Pixels | 2048 |
| SPM Pixel size | 14 µm x 200 µm |
| SPM Pixel well depth | 62,500 electrons |
| SPM Wavelength range | 200-900 nm |
| SPM Optical resolution | 0.3+10.0 nm FWHM |
| SPM Signal-to-noise ratio | 250:1 (at full signal) |
| SPM A/D resolution | 16 bit |
| SPM Dark noise | 50 RMS counts |
| SPM Dynamic range | 8.5 x 10 rised to 7 (system) ; 1300:1 for a single acquisition |
| SPM Integration time | 1 ms to 65 seconds |
| SPM Stray light | ≤ 0.05% at 600 nm ; < 0.10% at 435 nm |
| Light Source (LS) wavelength range | 215-400 nm (deuterium) ; 360-2500 nm (tungsten halogen) |
| LS Stability | 1.0% peak-to-peak (over 4 hours) after 30-minute warm-up |
| LS Time to stable output | 10 minutes (deuterium) ; 1 minute (tungsten halogen) |
| LS Ignition delay | <2.0 seconds (delay for cold start-up may be longer) |
| LS Bulb life | >1,000 hours @ 240 nm (time); <50% @ 240 nm (decrease of intensity) ; Continuous operation (testing conditions) |
| LS Fiber optic connector | SMA 905 |
| Dimensions | 24 x 11 x 25 |
| Weight of the instrument in kg | 1.95 |
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