欧美图片综合久久久久久,亚洲国色天香卡2卡3卡4,国产美女福利一区二区三区,国产免费av片在线观看

PMD806型智能石油密度測(cè)定儀

本儀器按國(guó)家標(biāo)準(zhǔn)GB/T1884規(guī)定設(shè)計(jì)制造的，用于石油和液體石油產(chǎn)品密度的測(cè)定。
儀器特點(diǎn)：
儀器采用130mm*60mm高亮度藍(lán)底白字液晶顯示屏；
恒溫浴采用高透明缸體、三基色光源容易觀察；
智能控溫、配有溫度修正；
配有計(jì)時(shí)；

PMD806型智能石油密度測(cè)定儀

技術(shù)參數(shù)：
測(cè)量范圍：10℃～50℃
精  度  ：±0.05℃

制冷：可選
加熱功率：800W
電源電壓：AC220V±10% 
頻  率  ：50Hz±5%

使用環(huán)境 ：（環(huán)境溫度）10～30℃（相對(duì)濕度）小于80%RH

PMD806型智能石油密度測(cè)定儀

The PMD806 inligent oil density measuring instrument
This instrument is designed and manufactured according to national standards GB/T1884 provisions for the determination of the density of petroleum and liquid petroleum products.
Instrument features:
The instrument uses 130mm * 60mm high brightness blue and white LCD display;
Thermostatic bath high transparent cylinder trichromatic light source is easy to observe;
Inligent temperature control with temperature correction;
With timing;
Technical parameters:
Measuring range: 10 ℃ ~ 50 ℃
Accuracy: ± 0.05 ℃
Refrigeration: Optional
Heating power: 800W
Power supply voltage: AC220V ± 10%
Frequency: 50Hz ± 5%

The use of the environment: ambient temperature 10 to 30 ° C (relative humidity) is less than 80% RH