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G- Series Spectrophotometer Model Number: 721G/721G-100/722G/752G

Specifications

Gseries economic spectrophotometer been widely used in colleges and enterprises for general quantitative analysis and experiments based in absorbance measurements.

 

G Series Spectrophotometer

Sample compartment for 5-100mm cuvettes.

Equipped with RS232 port.

Precise automatic T/A changeover.

Automatic zero and full scale adjustment.

Direct concentration read-out and concentration factor setting function.

Software optional.

Dedicated printer 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

 

 

 

  

Models

721G

721G-100

722G

752G

WL range

340-1000 nm

325-1000 nm

200-1000 nm

WL accuracy

?2nm

WL repeatability

?1nm

Spectrum bandwidth

5nm

5nm

2nm

4nm

Transmittance accuracy

±0.5% (t) (NBS930D)

Transmittance repeatability

?0.2% (t)

Transmittance measuring range

0-100T

Absorbance measuring range

0-2A

Stray light

?0.5% (t)

(at 360nm, NaNO2)

?0.3% (t)

(at 220nm, NaI)

Drift

?0.5% (t)/3min

Signal noise

0.2T%

RS232

including

Cell holder

50mm

100mm

50mm

50mm

Power supply

220V 50Hz    (220V/110V optional)

G.W.

13.5kg

15kg

Package Dimensions

560 x 480 x 290mm   0.078M3

 

 

 

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