722N Visible spectrophotometer
This instrument can be widely used in industries such as medicine
and health, clinical testing, biochemistry, petrochemicals,
environmental protection, quality control, judicial investigation,
inspection, quarantine, forestry, geological exploration, food
testing, etc. It is one of the reused analytical instruments in
physical and chemical laboratories.
Instrument functions:
● Digital display of measurement values.
● Automatic zero adjustment and automatic hundred adjustment.
● The spacious sample room can accommodate 5-100mm colorimetric
dishes.
● Optional output port RS232 can be used to connect printers and
computers.
● Using original imported tungsten lamps to ensure the service life
of the instrument.
● The instrument adopts the latest microcomputer processing
technology and is easy to operate.
● Automatic light gate ensures the service life of photoelectric
sensors and simplifies instrument testing.
Technical parameters:
| Instrument model | 722N |
| Optical system | achromatic (1200 gratings/mm) |
| Wavelength range | 320-1020nm |
| Wavelength accuracy | ± 2nm |
| Spectral bandwidth | 4nm |
| Wavelength repeatability | ≤ 0.5nm |
| Transmission accuracy | ± 0.5%T |
| Stability | ± 0.002A/h at 500nm |
| Drift | ≤ 0.1% T |
| Noise | ≤ 0.2% T |
| Working mode | T, A, C |
| Zero adjustment method | automatic |
| Weight | 8kg |
| Output method | printer |
| Light source | imported tungsten lamp |
| Printing interface | optional |
| Photometric range | 0-200% T, -3-3A, 0-9999C |
Note: The appearance pictures, dimensions, volume, and weight of the
instrument are for reference only. If there are any updates to the
instrument, there may be slight changes without prior notice.
Shandong Shengtai Instrument Co., Ltd. provides the following
quality assurance for the instruments sold to you:
----The provided instrument materials are brand new, meet national
quality standards, and have a manufacturer's certificate of
conformity;
----The materials and main components provided meet the technical
requirements specified in the technical documentation;
----The overall quality assurance period of the equipment is one
year (excluding normal wear and tear of vulnerable parts).
----We are responsible for free maintenance of any instrument
quality issues that occur during the warranty period. Due to
equipment malfunction caused by the user's responsibility, we are
responsible for repairing and charging reasonable fees.
----Lifetime discounted supply of parts for equipment, and lifetime
maintenance and repair of the entire machine.
----After the expiration of the warranty period, if the user needs
maintenance and technical services, we will only charge a cost fee.
