721N 722N 752N лабораторный динамометический спектрофотометр в ультрафиолетовой и видимой областях спектра с
721N 722N 752N лабораторный динамометический спектрофотометр в ультрафиолетовой и видимой областях спектра с

721N 722N 752N лабораторный динамометический спектрофотометр в ультрафиолетовой и видимой областях спектра с


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Product Description


Sample compartment for 5-50mm cells Precise automatic T/A changeover Automatic zero and full scale adjustment
Direct concentration read-out and concentration factor setting function
Equipped with RS232 port
Software optional




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


Accessories


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


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