HM-910 infrared spectrophotometer Introduction
HM-910 infrared spectrophotometer adopts high-throughput optical system, integrated optical path design, short optical path, high energy, first absorption after absorption, in line with the characteristics of infrared spectrum, good stability, high signal-to-noise ratio.
Feature
1. Adopt high-throughput optical system, integrated optical path design, short optical path, high energy, first absorption after absorption, meet the requirements of infrared spectrum characteristics, good stability, high signal-to-noise ratio.
2. The use of electrically modulated light source not only reduces the heating intensity of the light source, but also facilitates heat dissipation of the system. At the same time, since there is no mechanical cutting and moving parts, the instrument structure is simplified and the stability of the instrument is improved.
3. The precision stepper motor is used to control the grating, which has the function of wavelength correction, high wavelength precision and good repeatability.
4. The sensor signal processing uses a lock-in amplifier circuit to improve the signal-to-noise ratio and the minimum detection limit of the instrument.
5. With a spectral scan function, the absorbance curve in the spectral range used is displayed to distinguish the interference.
6. Can check whether the purity of the extractant meets the measurement needs.
7. The colorimetric cell structure is compatible with any cuvette of 0.5 to 5 cm.
8. The optical system and electrical system of the instrument are self-contained and highly integrated, which improves the reliability and maintainability of the instrument.
9. Easy to operate, the measurement can be completed with a single click of the mouse.
10. Automatically adjust the wavelength of the CH2 group of the instrument 2930cm-1 to achieve accurate measurement of the instrument.
11. The instrument operation software is powerful, the measurement data and spectrum can be stored in large quantities, and it is compatible with OFFICE software, and can be consulted and printed at any time.
12. Adopt industrial serial port technology, which can be controlled by computer WIN7, 8 operating system.
13. Fully in line with national verification standards, the verification results are better than the testing requirements.
Technical Parameters
1. Optical system: grating spectroscopic system
*2. Basic measurement range: 0.0~800.0mg/l
*3. Detection limit: 3SD ≦ 0.04mg / l (measuring 11 times blank calculation 3 times SD)
*4. Minimum detectable concentration: 0.001mg/l (oil concentration in water sample)
5. The highest measured concentration: 100% oil
6. Absorbance range: 0.0000~ 2.0000AU (that is, transmittance 100~1%T)
7. Wavenumber range: 3400cm-1～2400cm-1 (ie 2941～4167nm)
8. Wavenumber accuracy: ±1cm-1
9. Wavenumber repeatability: ±1cm-1
10. Measurement of tetrachloroethylene 2930 cm-1 absorbance: <0.2A
11. Accuracy: ≦ 2%
*12. Repeatability: RSD ≦ 0.5% (11-100mg/l oil standard test 11 times)
13. Baseline stability: zero real-time automatic adjustment (no baseline drift effect)
14. Linear correlation coefficient: R>0.999
15. Sample analysis time: full spectrum scan, 30S/time
Introduction
HM-910 infrared spectrophotometer adopts high-throughput optical system, integrated optical path design, short optical path, high energy, first absorption after absorption, in line with the characteristics of infrared spectrum, good stability, high signal-to-noise ratio.
