|  | GENESYS 140 | GENESYS 150 | 
    
      | Optical Design | Double Beam | 
    
      | Spectral Bandwidth | 5 nm | 2 nm | 
    
      | Light Source | Tungsten-Halogen (>1000 hours) | Xenon Flash Lamp (>5 years typical, 3 years guaranteed) | 
    
      | Detector |  | Dual Silicon Photodiodes | 
    
      | Wavelength | Range | 325–1100 nm | 190–1100 nm | 
    
      | Accuracy | ±0.5 nm | ±0.5 nm | 
    
      | Repeatability | Automatic— up to 1800 nm/min | <±0.2 nm | 
    
      | Data interval | 0.2 nm, 0.5 nm, 1 nm, 2 nm, 5 nm | 0.2 nm, 0.5 nm, 1 nm, 2 nm, 5 nm | 
    
      | Photometric | Range | –3A to +3.5A | –2A to +3.5A | 
    
      | Readout | –3A to +5A | 
    
      | Accuracy | ±0.002A at 0.5A ±0.004A at 1.0A
 ±0.008A at 2.0A
 | 
    
      | Repeatability | ±0.001A at 1A | 
    
      | Noise | ≤0.00020A at 0A at 260 and 500 nm ≤0.00030A at 1A at 260 and 500 nm
 ≤0.00040A at 2A at 260 and 500 nm
 | 
    
      | Drift | <0.0010A/Hr | <0.0005A/Hr | 
    
      | Stray Light | <0.05%T at 340 nm and 400 nm | < 1.0%T 198 nm (KCl) , <0.05%T at 220 nm (NaI), <0.03%T at 340 nm (NaNO2) | 
    
      | Display | 7-inch color touchscreen, tiltable, high definition, 800 × 1280 pixels
 | 7-inch color touchscreen, tiltable, high definition, 800 × 1280 pixels | 
    
      | Keypad | Touchscreen | Touchscreen | 
    
      | Sample compartment | Accommodates (optional):• 8-position cell changer
 • 4-position cell changer
        (long path cells)
 • Peltier thermostatted cell
 holder (20–60 °C)
 • Sipper accessory
 | Accommodates (optional):• 8-position cell changer
 • 4-position cell changer (long path cells)
 • Peltier thermostatted cell holder (20–60 °C)
 • Sipper accessory
 • Fiber optic probe coupler
 | 
    
      | Printer | Snap-on printer available | 
    
      | Connectivity | • Single USB-A supports flash memory devices for method and data storage• Duplex USB-A supports connection to a Windows computer running optional remote control software, keyboard, mouse
 • Export data to network or PC via Ethernet or Wi-Fi
 • Print via USB, Ethernet or Wi-Fi
 | 
    
      | Languages | English (Available soon: Spanish, German, French, Italian, Portuguese, Russian, Chinese, Japanese, Korean, Thai) | 
    
      | Dimensions | 35.5 × 38.5 × 19.5 cm (L × W × H) | 
    
      | Weight | 7.5 kg | 
    
      | Power Requirements | External AC to DC converter. Voltage and Frequency (Hz) selected automatically, 100–240 volts, 50–60 Hz. | 
    
      | Warranty | 2 years standard with 1 year extension upon registration of the instrument with Thermo Fisher Scientific within 6 months of purchase |