Complaint
Usage and Application:
1.High Vis performance between 335 and 1000 nm. Specially designed for industry and labs.
2.High accuracy with digital wavelength display. Automatic 0%(T) and 100%(T)calibration.
3.Display of concentration data function.
Feature and Description:
1. High quality silicon phoyometric diode detector and 1200 lines/mm diffraction grating ensure the high quality accuracy and precision.
2. Backlit LCD display for an easy readout.
3. Automatic 0A and 100%T.
4. Easy switching of transmittance, absorbance and concentration modes, just by pressing one key.
5. Direct concentration read-out and concentration factor setting function.
6. Large sample compartment, for 5-100mm path length cuvettes with optional holders.
7. Easy to change the halogen lamp or de*uterium lamp bythe user himself.
| Model | 721N |
| Optical System | Single beam, C-T type, 1200 lines/mm grating |
| Detector | Silicon photo diode |
| Light Source | Tungsten lamp (socket type, 20W / 12V, 2000h) |
| Spectral Bandwidth | 5nm |
| Wavelength Range | Setting Wavelength:332~1003nm; |
| Measuring Wavelength | 335~1000nm |
| Wavelength Accuracy | ±2nm |
| Wavelength Repeatability | 1nm |
| Stray Light | ≤0.5%T(360nm) |
| Photometric Range | T:0~199.9% ,A:-0.3~2.5Abs,F:0~9999,C:0~9999 |
| Photometric Accuracy | ±1.0%T |
| Photometric Repeatability | 0.5%T |
| Stability | ≤0.5%T/5min |
| Power Requirement | 220V±10% 50Hz 45VA |
| Actual Dimensions | 385×330×185(mm) |
| Gross Weight | 10kg |
| Photometry | Split Beam |
| Monochromator Type | Czerny-Turner |
| Focal Length | 160mm |
| Grating | 1200 lines/mm |
| Detector | Silicon Photocell |
| Spectrum Bandwidth | 2nm |
| Wavelength Setting | 7-inch color touch-screen |
| Wavelength Range | 190-1100nm |
| Wavelength Accuracy | ±1nm |
| Wavelength Repeatability | ≤0.5nm |
| Stray Light | ≤0.1%T( at 220nm NaI, 360nm NaNo2 ) |
| Photometric Range | 0.0-200.0% T |
| -0.301-4.000 A | |
| 0.000-9999 C | |
| Photometric Accuracy | ±0.5% T |
| ±0.004 Abs (0-0.5A) | |
| ±0.008 Abs (0.5-1A) | |
| Photometric Repeatability | ≤0.2% T |
| 0.002 Abs (0-0.5A) | |
| 0.004 Abs (0.5-1A) | |
| Noise | 100%(T)noise≤0.2%(T) , 0%(T)noise≤0.1%(T) |
| Power | AC220V±22V 50Hz±1Hz, 180W |
| Packaging Size | 630mm X 535mm X 405mm 0.14M3 21kg |
| Metering mode | single beam |
| Monochromator | self-collimation |
| Focal length | 160mm |
| Grating | 1200 lines / mm |
| Detector | photocell |
| Spectral bandwidth | 4nm |
| Wavelength setting | Touch screen input |
| Wavelength range | 325-1100nm |
| Wavelength Accuracy | ± 1nm |
| Wavelength repeatability | ≤0.5nm |
| Wavelength scanning speed | fast, medium and slow |
| stray light | ≤ 0.1% (T) (measured at Na at 300 nm) |
| Photometry | Split Beam |
| Monochromator Type | Czerny-Turner |
| Focal Length | 160mm |
| Grating | 1200 lines/mm |
| Detector | Silicon Photocell |
| Spectrum Bandwidth | 2nm |
| Wavelength Setting | Manual Turn Knob |
| Wavelength Range | 325-1100nm |
| Wavelength Accuracy | ±2nm |
| Wavelength Repeatability | ≤1nm |
| Scanning Speed | Fast-Medium-Slow |
| Stray Light | ≤0.1%T( at 360nm NaNo2 ) |
| Photometric Range | 0.0-200.0% T/-0.097-4.000 A/0.000-9999 C |
| Photometric Accuracy | ±0.5% T/±0.004 Abs (0-0.5A)/±0.008 Abs (0.5-1A) |
| Photometric Repeatability | ≤0.2% T/ 0.002 Abs (0-0.5A)/0.004 Abs (0.5-1A) |
| Noise | 100%(T)noise≤0.3%(T) , 0%(T)noise≤0.2%(T) |
| Power | AC220V±22V 50Hz±1Hz, 120W |
| Packaging Size | 580mm X 460mm X 345mm 0.1M3 16.5kg |
1. How can I choose the suitable one?
Dear customer, please tell us your detailed requirements by mail or online, we will recommend the suitable one as your request.
