Vis Spectrophotometer

Visible Spectrophotometer

Model：723N

Specifications
Model 723N Visible Spectrophotometer is an intelligent product with single-chip microprocessor control technology so that it has many sophisticated functions possessed by large high-end instruments and can meet the requirements of qualitative and quantitative tests for most samples conducted in conventional laboratories. The instrument is widely used in medical and health, clinical examination, biochemical, petroleum chemical, environmental protection and quality control departments, etc. The instrument with a low price and high performance is your best choice.
Characteristics

1.       Wavelength range: 325~1000nm

2.       Wavelength accuracy: ±1nm

3.       Wavelength repeatability: ≤0.5nm

4.       Spectrum bandwidth: 4nm

5.       Stray light: ≤0.3%t  

(in a test at 360nm with NaNo2, the value is 0.1%t)

6.       Transmittance display range: 0.0%t~200.0%t

7.       Transmittance accuracy: ±0.5%t  

(Tested with NBS930D)

8.       Transmittance repeatability: ≤0.2%t

9.       Absorptivity display range:-0.301A~4.000A

10.   Concentration direct-reading range: 0000~9999

11.   Baseline flatness: ±0.005A

12.   Noise: 100% noise: ≤0.3%t

13.   Drift: ≤0.004A/h

Grating Spectrophotometer

Model：722N

Characteristics:

l        It can be used for quantitative analysis of substances in the visible light spectrum range.

l        It adopts a grating monochromator, so that it has the advantage of high wavelength precision and good monochromaticity.

l        Computer control system, precise automatic T/A changeover.

l        Automatic zero and full scale adjustment. 

l        Direct concentration read-out and concentration factor setting function.

l        Equipped with RS232 port.

l        Printer can be connected and data can be sent to PC by special software.

　

Specifications:

 

Wavelength range

330nm-800nm

Wavelength accuracy

±2nm

Wavelength repetitiveness

£ 1nm

Transmittance accuracy

±0.5% (t)

Transmittance repeatability

£0.2% (t)

Spectrum bandwidth

5nm

Stray light

£ 0.5% (t) (at 360nm, NaNo2)
　

Visible Spectrophotometer-s22

Model：S22

Specifications
S22 Spectrophotometer is a compact and easy to operate instrument. It can be applied in measurement of transmittance, absorbance and direct concentration readout of transparent material. They have been versatilely employed in the fields of hygiene and medicine, clinical examination, biochemistry, petrol chemical engineering, environmental monitoring and inspections, and quality controls for qualitative and quantitative analysis of concerning samples.
Characteristics
1) Wavelength Range: 340-1000nm
2) Light Source Lamp: Halogen-TungstenLamp  20W/12V
3) Wavelength Accuracy: 2 nm
4) Wavelength Reproducibility: 1 nm
5) Band width: 6 nm
6) Photometric Accuracy: 0.5%(T)(SRM930D)
7) Photometric Reproducibility: 0.3%(T)
8) Stray Light: 0.5%(T)
9) Noise: 0.5%(T)
10) Scale Display: TRANS: 0-199.9%
  ABS: -0.3-2.999
  FACT: 1-9999
  CONC: 0-9999
11) Power Reqirement: 220V/110V10% 50/60 Hz
12) Interface:           RS232 serial & parallel l interface
13) Print:              serial printer/general printer
(windows compatible;  use software package )

                                                

Visible Spectrophotometer S23A

Model：S23A

Specifications
Model S23A Visible Spectrophotometer is designed for the purpose of education and general analysis in low cost. It can use Φ10-Φ16mm tube or rectangular cuvette in sample department, high reliable and operate easily. It can be used for environmental protection、education etc , qualitative analysis & quantitative analysis can be done.
Characteristics

Wavelength Range：340-950nm

Wavelength Accuracy：±2.5nm

Wavelength Repeatability：≤1nm

Spectral Slitwidth：12nm

Photometry Accuracy：0.5%τ（cuvette） 0.2%τ（tube）

Photometry Repeatability：0.3%τ

Voltage Requirements：220V±10% or 110V±10%

Photometry Range：0.0～199.9%(T)  -0.3～2.999 A

                     1～9999 F  0～9999 C

Interface： RS232 serial & paralle interface  

Print： serial printer    （be chosen）

Any printer (for software)

Visible Spectrophotometer 725S

Model：725S

Characteristics

1  128×64 matrix 3’ LCD display, status reminding, power shut-down protected register inside, 10 decoding keyboard input. The main instrument offer the correspondent linear regressive equation & data or equation remarkable conveniently, etc.

2  Light source: the series of L2D2 of Japanese Hamamatsu original L2D2 long life (above 3000 hours)、 high brightness、high stable deuterium lamp and RoYal long life (above 10000 hours) tungsten lamp; high stable & credibility of light source with patent technical combination；

3  RS-232C serial port interface attached, wo kuai  Optional serial printer；Data processing software& Optional serial printer are attached；

4  Large sample compartment，4-positions sample cuvette rack，optional 5cm optical length rectangular cuvettes.

5  The weight is only 7.5kg，suitable for morden lab operation & move；

6  Auto-zero and auto-100%（τ） adjustment；Wavelength regulated by buttom；Concentration factor setting and direct read-out ability；

Wavelength range：340-1000nm

Wavelength accuracy：±2nm

Spectrum bandwidth：4nm

Transmittance accuracy：±0.5%（τ）(NBS SRM930D)

Stray light：≤0.2%（τ）(360nm, NaNO2) (220nm, NaI)

interface： RS232 serial port

print：Optional serial printer （Spare Parts）

　

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