Hangzhou Sumer Instrument

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721N, 722N, 752N UV-VIS Spectrophotometer

721N, 722N, 752N UV-VIS Spectrophotometer

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...

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Product Details

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

Models721N722N752N
WL range360-1000 nm325-1000 nm200-1000 nm
WL accuracy≤2nm
WL repeatability≤ 1nm
Spectrum bandwidth4nm
Transmittance accuracy±0.5% (t) (NBS930D)
Transmittance repeatability≤0.2% (t)
Transmittance measuring range0-100T0-100T0-100T
Absorbance measuring range0-2A0-2A0-2A
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 noise0.2T%0.2T%0.2T%
RS232including
Printeroptionaloptionaloptional
Cell holder10mm
Power supplyAC85-242VAC220V
G.W.14kg14kg30kg
Package Dimensions640 x 480 x 340mm 0.104M3

STANDARD ACCESSORIES

User manual1pc
1cm glass cuvette4pcs ( 721N/722N only )
1cm quartz cuvette2pcs ( 752N only )
Power cable1pc

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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