亚洲精品国产精品发布会_无码中文字幕A级毛片_8x成年视频在线观看_亚洲AV无码日韩AⅤ无码忘忧草_王色a片可以看播放_午夜福利极品视频_美女被啪啪激烈爽到喷水_色婷五月综激情亚洲综合_真实国产老熟女粗口对白_最好看最新中文字幕2019

【Scope of application】

A new formaldehyde quantitative measuring instrument developed according to the national standard method is widely used in the rapid quantitative determination of formaldehyde in textiles.

【Related standards】

GB/T2912.1 GB18401

【Basic technical specifications】

1. Working mode: microcomputer control, Chinese LCD display, report printing, computer software can be connected.

2. Measuring range: light transmittance: 0%-100%; absorbance: 0-2.0;

Formaldehyde content: 5.00-500.00mg/kg (sample dilution can reach 5000mg/kg)

3. Measurement accuracy: formaldehyde content ≤ 2% F.S

4. Light source: imported long-life tungsten halogen lamp

5. Optical system: self-aligning optical path design, 1200 lines/mm diffraction grating monochromator

6. Wavelength range: 320—1000nm

7. Spectral bandwidth: 5nm

8. Wavelength accuracy: ±2nm

9. Wavelength repeatability: 1nm

10. Power supply: AC220V±10% 50Hz 50W

11. Dimensions: 400×300×200mm

12. Weight: 12kg