Usage:
722S visible spectrophotometer can be widely used in petroleum, chemical industry, medicine, environmental protection, colleges, materials science and other fields, is an indispensable analytical testing instrument for scientific research, production, teaching.
Instrument Features and Functions:
- Model 722S visible spectrophotometer uses low stray light and high-resolution single-beam optical path structure.
- The instrument has good stability and reproducibility.
- Application of the latest microcomputer processing technology makes operation easier and tests can be completed more quickly.
- With automatic control 0% T and 100% T control functions.
- The LED digital display can display parameters such as transmittance, absorbance and concentration, which improves the accuracy of the instrument reading. ※ The printout is equipped with a serial port, which can be directly connected to a printer to print experimental data.
- Standard RS-232 communication interface (serial port), which can be connected through user application software (sold separately) and ordinary personal computer with Microsoft Windows system for experimental test and data processing.
Technical Parameters
Model: 722S
Optical system: single beam, 1200 / mm diffraction grating
Spectral bandwidth: 5 nm
Wavelength range: 325-1000 nm
Wavelength accuracy: ±2.0 nm
Wavelength repeatability: 1 nm
Transmittance accuracy: ±1%T
Transmittance repeatability: ≤0.5%T
Stray light: ≤1%T Λ360 nm, 420 nm
Stability: Brightness current changes in transmittance is ≤1%T during 3 minutes, dark current changes in transmittance is ≤0.2%T during 3 minutes.
Photometric range: 0-100% T, -0.097-2.000 A, 0-999C (0-1999F)
Light source: Tungsten halogen lamp 12V / 20 W
Display: 4-digit LED digital tube
Wavelength display: dial, minimum division 2 nm
Data output: RS-232C
Detector: Silicon photodiodeCell holder: 50 mmCuvette: 10 mm / 4 pcs
Power: AC 220V / 50Hz
Dimension: 430 * 310 * 200 mm
