Comparison ledger
Hitachi U 3900, Hitachi U 3900 H Spectrophotometer, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | U 3900Hitachi | U 3900 H SpectrophotometerHitachi |
|---|---|---|
| OEM | Hitachi | Hitachi |
| Category | — | — |
| Wafer size | — | — |
| Process node | — | — |
| Introduced | — | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | — |
| Control system | — | — |
| Generation | — | — |
| Family | Hitachi U 3900 | Hitachi U 3900 |
| Cited variants |
| — |
| Specifications | ||
| P/N | 2J2-0012[2] | — |
| Type | Double-beam, single-monochromator UV-visible spectrophotometer[1] | — |
| Wavelength range | 190 to 900 nm[1] | 190 to 900 nm[5] |
| Band pass | Variable 0.1, 0.5, 1, 2, 4, and 5 nm[1] | — |
| Scan speed | 1.5, 3, 15, 30, 60, 120, 300, 600, 1200, 1800, 2400 nm/min[1] | — |
| Detector | Single photomultiplier[1] | — |
| Dimensions | 680 (W) x 692 (D) x 257 (H) mm; 27 in (W) x 27 in (D) x 10 in (H)[1] | — |
| Weight | Approx. 45 kg (100 lbs)[1] | — |
| Power requirements | 100, 120, 220, 230 or 240 V AC, 50/60 Hz, 300 VA[1] | — |
| Vintage | 2009[2] | 2008[3] |
| Configuration | — | CPU, Monitor, Connector, Lens holder[3] |
| Year | — | 2008[3] |
| Manufacturer | — | Hitachi[3] |
| Model | — | U 3900 H[3] |
| Instrument type | — | Spectrophotometer[4] |
| Included items | — | CPU, monitor, connector, lens holder[3] |
| Monochromator | — | Diffraction grating-diffraction grating double monochromator, Seya-Namioka mount[5] |
| Spectral bandpass | — | 0.1, 0.5, 1, 2, 4, 5 nm (6 steps)[5] |
| Wavelength accuracy | — | ±0.1 nm at 656.1 nm after wavelength calibration[5] |
| Absorbance range | — | -5.5 to 5.5 Abs, 0 to 300%T[5] |
| Baseline flatness | — | Within ±0.0004 Abs[5] |
| Light source | — | WI lamp for visible range and D2 lamp for ultraviolet range[5] |
| Software | — | UV Solutions program for U-3900 in connection with PC[5] |
| OEM | — | Hitachi[3] |
| Manufactured year | — | 2008[4] |