Spectrophotometer

7230G/723 Scanning Visible Spectrophotometer – Doryang

Product description: Buy 7230G/723 Scanning Visible Spectrophotometer for high-accuracy optical analysis. 723 spectrophotometer is best for labs, research, water, food, and medical testing.
INQUIRY

The 7230G/723 Visible Spectrophotometer is an economical analytical instrument with an optional RS232 interface output. It offers superior photometric accuracy compared to similar models in its category and is widely used in medical testing, food analysis, petrochemical industries, environmental protection, and monitoring applications.

Instrument Features:

Equipped with a 128×64 dot matrix LCD display, capable of directly displaying standard curves and test data. The instrument can store test data and has an optional printer for printing results.
USB data output interface, compatible with optional YOKE3.0 professional software for online operation.
Supports direct establishment of standard curves for related tests. It can continuously test and store 200 sets of data and store 100 standard curves with user-defined names for easy recall.
Features a precision optical system, high-performance 1200 lines/nm grating, and imported receiver, ensuring excellent performance.
Automatic wavelength calibration and automatic wavelength setting.
Spacious sample compartment, accommodating cuvettes of various sizes from 5mm to 100mm.
Soft-touch keypad for easy and convenient operation.
Uses a 32-bit ARM11 microcontroller with a main frequency of 533MHz, ensuring stable performance.
Fully enclosed monochromator structure with a sealed design, and all optical mirror surfaces are coated with SiO₂ protective film, preventing environmental and gas interference.

Instrument Functions:

Quantitative Analysis: Supports standard curve establishment, displaying curve graphs and equations, and utilizing Lambert-Beer’s Law for data input testing.
Broad-Spectrum Testing: Measures the absorbance (A), transmittance (T), and concentration (C) of the tested solution at a fixed wavelength.
Special Features:
- Automatic wavelength adjustment
- Automatic wavelength calibration
- Automatic data storage
Optional automatic 4-cell or 8-cell cuvette holder

Technical Specifications:

Parameter	7230G	723(N/S)
Optical System	Dual-beam ratio detection	Dual-beam ratio detection
Wavelength Range	320-1000nm	320-1100nm
Wavelength Accuracy	±1nm	±0.5nm
Spectral Bandwidth	4nm	2nm
Wavelength Repeatability	0.5nm	0.2nm
Stray Light	≤0.1%T @360nm	≤0.05%T @360nm
Photometric Accuracy	0.5%T	0.3%T
Photometric Repeatability	0.2%T	0.15%T
Photometric Range	0-200%T, -0.301-3.000A	0-200%T, -0.301-3.000A
Drift	≤0.001A/h @500nm	≤0.001A/h @500nm
Baseline Linearity	≤0.2%T	±0.0015A/h
Noise	0≤0.2%T	±0.0005A/h
Stability	±0.002A/h @500nm	±0.0005A/h @500nm
Display Range	0-200%T, -0.301-3.000A	0-200%T, -0.301-3.000A
Display System	128×64 LCD	128×64 LCD
Wavelength Drive Mode	Automatic Wavelength	Automatic Wavelength
Output (Interface)	Parallel Port Output	Parallel Port Output
Light Source	Imported Tungsten Lamp	Imported Tungsten Lamp
Net Weight	12kg	12kg

This spectrophotometer is a reliable and cost-effective choice for various analytical applications, ensuring high precision, efficiency, and ease of operation.

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