97人人做人人人难人人做,亚洲无限吗在线看,av久久人妻污污污www,四虎影城

PWS104微量水分測定儀

PWS104 微量水分測定儀采用卡爾費休庫侖滴定方法，人機界面友好，240*64藍屏液晶顯示，全中文菜單，通過儀 器自帶計算公式，可以直接顯示樣品的含水百分率，檢測電路采用了*數(shù)字處理技術，克服了傳統(tǒng)儀器存在的溫度漂移和電源電壓波動對測試過程的干擾，提高了測試的精度和靈敏度。整機采用*的無繼電器工藝設計，*消除了記憶繼電器觸點氧化帶來的隱患，延長了儀器的使用壽命。備有打印機接口，用戶可根據(jù)需要選配微型打印機，以便留存數(shù)據(jù)。已廣泛應用于電力、石油、化工、醫(yī)藥等部門，是我公司推出的性價比很高的產(chǎn)品之一。

PWS104微量水分測定儀

技術參數(shù)    ： 
顯  示      ： 240*64 點陣液晶藍屏  
測量方式    ： 卡爾費休庫侖滴定  
測量范圍    ： 3μg～100mg  
靈 敏 度    ： 0.1μg    
準 確 度    ： 3μg～1mg  ±2μg 1mg～100mg ±0.2% （不含進樣誤差）  
時  鐘      ： 電不丟失時鐘，年、月、日、星期、時、分、秒,可以保存10年 
適用環(huán)境溫度： 0-50℃ 
適用環(huán)境濕度： ≤85% 
功  率      ： 30W 
外形尺寸    ： 300*250*100

PWS104微量水分測定儀

使用標準： 
1、 GB/T7600-1987  《運行中變壓器油水分含量測定法(庫侖法)》 
2、 GB6283-1982    《化工產(chǎn)品中水分含量的測定卡爾費休法（通用方法）》 
3、 SH/T0246       《輕質(zhì)石油產(chǎn)品中水含量測定法（電量法）》 
4、 GB/T11133-1989 《液體石油產(chǎn)品中水含量測定方法（卡爾費休法）》 
5、 GB/T7380-1995  《表面活性劑含水量的測定（卡爾費休法）》 
6、 GB10670-1989   《工業(yè)用氟代甲烷類中微量水分的測定卡爾費休法》 
7、 GB10670-1989   《工業(yè)用氟代甲烷類中微量水分的測定》 
8、 GB/T606-2003   《化學試劑水分測定通用方法卡爾費休法》 
9、 GB/T8350-2001  《變性燃料乙醇》 
10、GB/T3776.1-1983《農(nóng)藥乳化劑水分測定法》 
11、GB/T6023-1999  《工業(yè)用丁二烯中微量水分的測定卡爾費休庫侖法》
可檢測物質(zhì)種類包括： 
1．汽油，水壓油、絕緣油、變壓器油、透平油、抗燃油。 
2．戊烷、己烷、二甲基丁烷、辛烷、十二烷、二十碳烷、二十八烷、環(huán)十二烷、癸基環(huán)己烷、甲基丁二烯、苯、甲苯、二甲苯、乙基甲苯、二甲基苯乙烯、十四烯、石油醚、環(huán)己胺、甲基環(huán)己胺、環(huán)庚    烷、乙烯環(huán)己胺、二環(huán)戊二烯、二甲基萘、*基苯乙烯、聯(lián)苯、二氫苊、芴、亞甲基菲、異甲基異丙基苯等。 
3．酚類 苯酚、甲酚、氟苯酚、氯酚、二氯苯酚、硝基酚等 
4．醚類 二乙、二甘醇單甲醚、二甘醇二乙、聚乙二醚、苯甲醚、氟苯甲醚、碘苯甲醚、二癸醚、二庚醚 
5．全部醇類、全部鹵代烴類、全部脂類

PWS104 trace moisture analyzer
PWS104 trace moisture analyzer using a Karl Fischer coulometric titration methods, friendly interface, 240 * 64 blue LCD display, full Chinese menu, is calculated by the instrument comes directly display the percentage of water content of the sample, the detection circuit uses advanced digital processing technology to overcome the traditional instrument temperature drift and supply voltage fluctuations interfere with the testing process, improve the accuracy and sensitivity of the test. The whole the unique free relay process design, compley eliminate the hidden dangers of memory relay contact oxidation, and extend the life of the instrument. Unique reagents failure detection function, automatically alert the user to the timely replacement of failed reagents, the reagent utilization is increased. Equipped with a printer interface, the user may need to matching miniature printer in order to retain data. Has been widely used in electric power, petroleum, chemical, pharmaceutical and other departments, I introduced one of the products of the high cost.
Technical parameters:
Display: 240 * 64 dot matrix LCD blue
Measurement Method: Karl Fischer coulometric titration
Measuring range: 3μg ~ 100mg
Sensitivity: 0.1μg
The accuracy: 3μg to 1mg ± 2μg 1mg to 100mg ± 0.2% (excluding injection error)
Clock: electricity without losing clock, year, month, date, day, hours, minutes, seconds, can be kept for 10 years
Applicable ambient temperature: 0-50 ℃
Applicable environmental humidity: ≤ 85%
Power: 30W
Dimensions: 300 * 250 * 100
Using the standard:
1, GB/T7600-1987 "in transformer oils Determination of water content (coulometry)
GB6283-1982 "Chemical products Determination of moisture content - Karl Fischer method (general method)
3, SH/T0246 "Determination of the water content of light petroleum products (power law)
4, GB/T11133-1989 "liquid petroleum products - Determination of water content (Karl Fischer method)
5, GB/T7380-1995 "surface active agents - Determination of water content (Karl Fischer method)
6, GB10670-1989 "Determination of trace water industry fluoromethanes class Karl Fischer method
7, GB10670-1989 "Industrial Determination of trace water fluoromethanes class"
8, GB/T606-2003 "General method for the determination of chemical reagents moisture Karl Fischer method
9, GB/T8350-2001 "denatured fuel ethanol
10, GB/T3776.1-1983 "pesticide emulsifier Water Determination Act
11, GB/T6023-1999 "industrial butadiene in the determination of trace moisture Karl Fischer coulometry
Can detect the type of material comprising:
1. Gasoline, hydraulic oil, insulating oil, transformer oil, turbine oil, anti-fuel.
2. Pentane, hexane, dimethyl butane, octane, dodecane, eicosenoic alkoxy, octacosanoic, cyclododecane, decyl cyclohexane, dimethyl butadiene, benzene, toluene, xylene, ethyl toluene, dimethyl styrene, tetradecene, petroleum ether, cyclohexylamine, methylcyclohexylamine, cycloheptane, ethylene cyclohexylamine, dicyclopentadiene, dimethylnaphthalene, trimethyl styrene, biphenyl, acenaphthene, fluorene, methylenedioxy-phenanthrene, isobutyl methyl cumene like.
3. Phenols, phenol, cresol, fluorophenol, chlorophenol, dichlorophenol, nitro phenol, etc.
4. Ethers such as diethyl ether, diethylene glycol monomethyl ether, diethylene glycol dimethyl ether, polyethylene glycol ether, anisole, fluoroanisole, iodo anisole, didecyl ether, diheptyl ether
5. All alcohols, halogenated hydrocarbons, all lipids