1.Sample compartment for 5-50mm cells
2.Precise automatic T/A changeover
3.Automatic zero and full scale adjustment
4.Direct concentration read-out and concentration factor setting function
5.Equipped with RS232 port
6.Software optional
COMMON FEATURES
High quality silicon photometric diode detector and 1200 lines/mm diffraction grating ensure the high quality accuracy and precision.
Backlit LCD display for an easy readout.
Automatic 0A and 100%T. Easy switching of transmittance, absorbance and concentration modes, just by pressing one key.
Direct concentration read-out and concentration factor setting function.
Large sample compartment, which can accommodate 5mm to 100mm path length cuvettes with optional holders.
Easy to change the halogen lamp or deuterium lamp by the user himself.
SPECIFICATIONS
| Models | 721N | 722N | 752N |
| WL range | 360-1000 nm | 325-1000 nm | 200-1000 nm |
| WL accuracy | ≤2nm | ||
| WL repeatability | ≤ 1nm | ||
| Spectrum bandwidth | 4nm | ||
| Transmittance accuracy | ±0.5% (t) (NBS930D) | ||
| Transmittance repeatability | ≤0.2% (t) | ||
| Transmittance measuring range | 0-100T | 0-100T | 0-100T |
| Absorbance measuring range | 0-2A | 0-2A | 0-2A |
| Stray light | ≤0.15% (t) | ≤0.1% (t) | ≤0.3% (t) |
| (at 360nm, NaNO2) | (at 360nm, NaNO2) | (at 220nm, NaI ) | |
| Drift | ≤0.5% (t)/3min | ||
| Signal noise | 0.2T% | 0.2T% | 0.2T% |
| RS232 | including | ||
| Printer | optional | optional | optional |
| Cell holder | 10mm | ||
| Power supply | AC85-242V | AC220V | |
| G.W. | 14kg | 14kg | 30kg |
| Package Dimensions | 640 x 480 x 340mm 0.104M3 | ||
STANDARD ACCESSORIES
| User manual | 1pc |
| 1cm glass cuvette | 4pcs ( 721N/722N only ) |
| 1cm quartz cuvette | 2pcs ( 752N only ) |
| Power cable | 1pc |
OPTIONAL ACCESSORIES
Thermal printer
10mm cuvette holder
50mm cuvette holder
UV WIN7 software
We are professional as one of the leading 721n, 722n, 752n uv-vis spectrophotometer manufacturers and suppliers in China. Welcome to wholesale the high quality and durable laboratory equipment from our factory. And good after-sale service and timely delivery are offered.
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