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UV-VIS
Spectrophotometer
752N Ultraviolet
Visible Spectrophotometer
Model：752N
Characteristics
l The monochromator with a holographic flashing grating is used. It has the advantage of high wavelength precision, good monochromaticity and low stray light.
l Automatic switching of tungsten halogen lamp and deuterium lamp.
l A sample compartment for 0.5cm-5cm cells.
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
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Wavelength range |
200nm-800nm |
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Wavelength accuracy |
£2nm |
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Wavelength repeatability |
£ 1nm |
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Transmittance accuracy |
±0.5% (t) (NBS930D) |
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Transmittance repeatability |
£0.2% (t) |
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Spectrum bandwidth |
5nm |
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Stray light |
£ 0.5% (t) (at 220nm, Nal) |
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Stability |
Dark current drift: 0.2% (t)/3min |
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Light current drift: 0.5%(t)/3min |
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UV-VIS
Spectrophotometer
Model：752S
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Specifications
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The 752s UV-Visible
spectrophotometer is a
concise easy-operated
general use
spectrophotometric
instrument. It can measure
transmittance，absorbance and
direct reading within the
wavelengths of 200-960 nm.
Wavelength regulated by
buttom，the 2nm bandwidth can
satisfy almost all metered
tests request, adopt the
Japanese Hamamatsu original
L2D2 long life, high
brightness, high stable Lamp
Combination& technology can
reduce the maintenance and
lower the customer usage
cost. This instrument is
widely used in medical
science and hygiene,
clinical analysis,
biochemistry, petroleum
chemical industry,
environmental monitoring and
quality control department
for qualitative and
quantitative analyses. |
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Characteristics |
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Wavelength range：（200-960）nm
Wavelength accuracy：±2nm
Wavelength repeatability：1nm
Spectrum bandwidth：2nm
Transmittance accuracy：±0.5%（τ）(NBS
SRM930D)
Transmittance repeatability：0.3%（τ）
Stray light：≤0.5%（τ）(360nm,
NaNO2) (220nm,
NaI)
interface：
RS232 serial port
print：Optional
serial printer
（Spare
Parts） |
Model 757CRT
Ultraviolet Visible
Spectrophotometer
Model：757
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Characteristics |
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?
Can
perform qualitative and
quantitative analysis on
sample substance in the
range of VU and VIS
spectrums.
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The instrument finds wild
applications in medical and
health, clinical inspection,
biochemistry, petro-chemical
industry, environmental
protection, quality control,
etc.
Characteristics
l
Microprocessor measurement
system. Accurate T-A
changeover and Automatic 0
and 100 adjustment.
l
Functions of GOTO
l,
time scanning, automatic 8
cell-holder,
automatic-deduction of cell
error, multi-point
concentration calibration
and setting of slop and
intercept.
l
RS-232 interface and
parallel printing port.
l
By means of RS-232 series
interface and operating
software, it will have a
much wide measurement
functions to perform all
wavelength scanning, time
scanning, concentration
linear regression equation
(the order of 1,2 and 3) and
multi-wavelength
measurement.
Specifications:
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Wavelength range |
200nm-1000nm |
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Wavelength Accuracy |
±0.5nm |
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Wavelength
Repetitiveness |
0.2nm |
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Band Width |
2nm |
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Transmittance
measurement range |
0.0%t-200.0%t |
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Transmittance
accuracy |
±0.5%t |
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Noise |
100% noise
≤0.3%t |
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0% noise
≤0.2%t |
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Power Supply |
AC220V±22V，
50Hz±1Hz |
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Light source |
12V20W Tungsten
Halogen Lamp
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DD 2.5A Deuterium
Lamp |
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Visible
Spectrophotometer
Model：S53/S54
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Specifications
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The Gold S53/54 UV-Visible
spectrophotometer is a 2nm
spectral slit width concise
easy-operated general use
spectrophotometric
instrument with wide rang of
wavelength. It can measure
transmittance，absorbance and
direct reading within the
wavelengths of 200-1000 nm.
This instrument is widely
used in medical science and
hygiene, clinical analysis,
biochemistry, petroleum
chemical industry,
environmental monitoring and
quality control department
for qualitative and
quantitative analyses. |
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Characteristics |
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Optical system：
Diffraction
grating C-T monochromator
l
Wavelength range：
200～1000nm
l
Light source：
Hamamatsu L2D2
long life high
stable deuterium &
tungsten lamp combination
l
Receiver:
Hamamatsu 1226 UV receiver
l
Wavelength accuracy:
±2nm
l
Wavelength repeatability:
0.5 nm
l
Transmittance accuracy:
±0.5%(t)
(NBS SRM930D)
l
Transmittance
repeatability: 0.3%(t)
l
Spectrum bandwidth:
2nm
l
Stray
light:
≤0.2%(t)
(360nm, NaNO2)
(220nm, NaI)
l
Display
scales:
(T)：0.0～199.9%
(A)：-0.3～2.999
(F)：1～9999
(C)：0～9999
l
Power source: 220V±22V
50Hz±1Hz
RS-232C serial port
interface & standard
parallel print port |
755S UV-VIS
Spectrophotometer
Model：755S
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Features
English Manu.& online status reminding,128×64 dot-arry 3 inch LCD display, friendly interface with error remining, with 2K power shut-down protected Register, digit keyboard. The main instrument offer the correspondent linear regressive equation & data or equation remarkable conveniently. With RS-232C serial port interface, Special Spectrum software package can be chosen to expand its function. 2nm Spectrum bandwidth can accomplish various test, Ultra low Stray light, suitable for high accuracy test.
Specificatios
Wavelength range：200-960nm
Wavelength accuracy：±1nm
Spectrum bandwidth：2nm
Transmittance accuracy：±0.5%（τ）(NBS SRM930D)
Stray light：≤0.2%（τ）(360nm, NaNO2) (220nm, Nal)
interface： RS232 serial port
print：Optional serial printer （Spare Parts）
Any printer (for software) |
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Double Beam
Ultraviolet Visible
Spectrophotometer
Model：UV762
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Characteristics |
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Wavelength
range:200nm~ll00nm
Wavelength accuracy: ± 0.5nm
Wavelength repeatabi1ity:
≤0.2nm
Spectrum bandwidth:2nm
Transmittance accuracy:
±05%(T)
Transmittance repeatability:
≤02%(T)
Drift:0.004A/h(500nm,preheat
2h)
Baseline flatness: ±0.0
l
Brand new design of optical
system makes the instrument
excellent optical and light
measurement property, with
low stray light and low
noise, high accuracy,
stability reliability.
l
Unique design and work mode
for installation of Lamp D2
and W, light source
self-switching and automatic
positioning enable the users
to operate, maintain and
replace of light source in a
easy, correct and safe way
l
Excellent design of software
provides the instrument with
strong spectral
data--processing ability,
self-scanning spectral
measurement, multiple
wavelength (1- 3λ)
measurement, dynamical
measurement, fitting of
curves(quadric,
cubic),14order derivative
spectrum, access, display
and print atlas and data
analysis
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Large screen LCD with a
friendly man-machine dialog
interface. |
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