| Parameter | Qunta Pro | Qunta Promax |
| Colored Touch Screen Display | 10inch | 10inch |
| Photometric system | True Double beam Optics | True Double beam Optics |
| UV/Vis Bandwidth Type | Fixed | Variable |
| Wavelength range | 190 to 1100 nm | 180 to 1100 nm |
| UV/Vis Bandwidth Increments (nm) | 1 nm | 0.1 nm to 5.0 nm |
| Wavelength Setting | 0.1nm increments | 0.1nm increments |
| Wavelength Display Resolution (nm) | 0.1nm | 0.1nm |
| Measuring Modes | ABS, %T, CONC with custom K-Factor and multiple standards | ABS, %T, CONC with custom K-Factor and multiple standards |
| Wavelength Accuracy | +/-0.05nm @ 656.1nm +/-0.1nm entire range | +/-0.1nm @ 656.1nm +/-0.1nm entire range |
| Wavelength Repeatability | +/-0.1nm | +/-0.1nm |
| Wavelength Slew rate | About 29000 nm/min | About 6000 nm/min |
| Wavelength Scan speed (nm/min) | 3600 to 2nm/min for survey of 29000nm/min | 4000 to 2nm/min |
| Lamp interchange wavelength | Automatic changeover of wavelength with configurable wavelength. | Automatic changeover of wavelength with configurable wavelength. |
| Stray light | Less than 0.02% at 220nm (NaI) Less than 0.02% at 340nm (NaNO2) Less than 0.5% at 198nm (KCl) | Less than 0.02% at 220nm (NaI) Less than 0.02% at 340nm (NaNO2) Less than 1.0% at 198nm (KCl) |
| Photometric readability range (Abs) | Absorbance: -4.0 to 4.0 Abs Transmittance : 0% to 400% | Absorbance: -4.0 to 4.0 Abs Transmittance : 0% to 400% |
| Photometric accuracy | +/-0.002 Abs at 0.5 Abs '+/-0.004 Abs at 1.0 Abs '+/-0.006 Abs at 2.0 Abs | +/-0.002 Abs at 0.8 Abs '+/-0.004 Abs at 1.2 Abs '+/-0.006 Abs at 2.1 Abs |
| Photometric repeatability | Less than +/-0.001 Abs at 0.5Abs Less than +/-0.001 Abs at 1Abs Less than +/-0.003 Abs at 2Abs | Less than +/-0.001 Abs at 0.8Abs Less than +/-0.001 Abs at 1.2Abs Less than +/-0.003 Abs at 2.1Abs |
| Baseline stability | Less than 0.0002 Abs/Hr @700 nm(one hour after light source ON) | Less than 0.0002 Abs/Hr @700 nm(one hour after light source ON) |
| Baseline flatness (±A) | Less than +/-0.0005 Abs (avg. points)(1100 to 190nm, one hour after light source switched ON) | Less than +/-0.0005 Abs (avg. points)(1100 to 190nm, one hour after light source switched ON) |
| Noise level | Less than 0.00003 Abs (700nm) | Less than 0.00005 Abs (700nm) |
| Light source | Plug- in pre-aligned Halogen lamp and Deuterium lamp or Xenon Lamp | Plug- in pre-aligned Tungsten Halogen lamp and UV Deuterium lamp |
| Monochromator | Blazed holographic grating 1200 lines/mm in Czerny Turner mounting | Blazed concave holographic grating 1200 lines/mm in Czerny Turner mounting |
| Detector | Dual Silicon photodiode | Dual matched silicon photodiode |
| Environmental requirements | Temperature 15 to 38 Humidity 30% to 80% | Temperature 15 to 38 Humidity 30% to 80% |
| Output device | Inbuilt with desktop OS with high resolution 10inch touch screen LCD | Inbuilt with desktop OS with high resolution 10inch touch screen LCD |
| Software | Scanalyser software (Microsoft windows 7 and above) CFR 21 complaince | Scanalyser software (Microsoft windows 7 and above) CFR 21 complaince |
| Validation | Automatic measurement and pass/ fail evaluation and printing of results | Automatic measurement and pass/ fail evaluation and printing of results |
| Connectivity | LAN/ Ethernet/WiFi/Bluetooth | LAN/ Ethernet/WiFi/Bluetooth |
| Sample compartment internal dimensions (W X D X H) mm | 115 X 250 X 90 Distance between light beams :80mm | 115 X 250 X 90 Distance between light beams :80mm |
| Dimensions (LxBxH) mm | 560 X 430 X 195 | 556 X 486 X 236 |
| Power Supply | 230V/50Hz | 230V/50Hz |
| Ordering Code | 100UVFIX000000 | 100UVVAR000000 |
| HS Code | 90273020 | 90273020 |
| Weight | 22Kg | 24Kg |