HACH DR 3900 SPECTROPHOTOMETER

SERIAL / VIN NUMBER: 2075816 CONDITION: FAIR OPTICAL AND MEASUREMENT SPECIFICATIONS: WAVELENGTH RANGE: 320 TO 1,100 NM WAVELENGTH ACCURACY: ±1.5 NM (WITHIN 340 - 900 NM) WAVELENGTH RESOLUTION: 1 NM SPECTRAL BANDWIDTH: 5 NM ± 1 NM PHOTOMETRIC MEASURING RANGE: ±3.0 ABS (340 - 900 NM) PHOTOMETRIC ACCURACY: 5 MABS AT 0.0 - 0.5 ABS; 1% AT 0.50 - 2.0 ABS PHOTOMETRIC LINEARITY: <0.5% UP TO 2 ABS; ≤0.01% ABOVE 2 ABS WITH NEUTRAL GLASS AT 546 NM STRAY LIGHT: <0.1% T AT 340 NM WITH NANO₂ VOLTS: 15DC VAC: 40