腾达试验仪器厂：

　　沥青含水量测定仪是**检测仪器，适用于测定石油沥青、煤沥青或乳化沥青的含水量，及各种试验物内含水量，以质量百分率表示。

　　Asphalt water content measuring instrument is a testing instrument,suitable for measuring the water content of petroleum pitch,coal pitch or emulsified pitch,and the water content in various test objects,expressed as mass percentage.

　　沥青含水量测定仪使用方法：

　　★称量洗净并烘干的玻璃烧瓶的质量（m1）准确至0.1g

　　★将试样充分摇匀，或预热至50-80摄氏度，使成流体后注入玻璃烧瓶中约100G（水分不少于25%），或50G（水分多于25%），称其合计质量（m2）至0.1G

　　★用量筒取200ml溶剂，注入烧瓶中，将烧瓶中的混合物仔细摇匀，勿使溅出瓶外并投入一些玻璃毛细管或五釉瓷片。

　　★将仪器装置如图，箱将洗净并烘干的水分接受器的支管紧密地安装在玻璃瓶上使支管的斜口进入烧杯15-20cm，然后在接受器上连接冷凝管，冷凝管的内壁要预先用棉花擦干，安装时，冷凝管与水分接受器的轴心线要互相重合，冷凝管下端的斜口切面要与接受器的支管管口相对。为避免蒸汽溢出，应在缝隙上再涂抹火棉胶。进入冷凝管的水温与室温相差较大时，应在塞子缝隙上再涂抹火棉胶，进入冷凝管的温水与室温相差较大时，应在冷凝管的上端用棉花塞着，以免空气中的水蒸气进入冷凝管凝结。

　　★外形尺寸：690X260X210mm

　　★重量：8.5kg

　　How to use the asphalt water content tester:

　　★Weigh the mass(m1)of the washed and dried glass flask to the nearest 0.1g

　　★Shake the sample thoroughly,or preheat it to 50-80 degrees Celsius,make it into a glass flask and fill it with about 100G(moisture of not less than 25%)or 50G(moisture of more than 25%),and call its total mass.(M2)to 0.1G

　　★Take 200ml of solvent from a measuring cylinder and pour it into the flask.Shake the mixture in the flask carefully.Don't splash out of the bottle and put some glass capillaries or five-glazed porcelain pieces.

　　★The device is as shown in the figure.The cleaned and dried branch of the water receiver is tightly mounted on the glass bottle so that the oblique opening of the branch enters the beaker 15-20cm,and then the condenser is connected to the receiver.The inner wall should be wiped dry with cotton in advance.During installation,the axial lines of the condenser tube and the moisture receiver should coincide with each other,and the oblique cut surface at the lower end of the condenser tube should be opposite to the branch pipe mouth of the receiver.To avoid steam overflow,apply cotton wool to the gap.When the temperature of the water entering the condenser tube is significantly different from the room temperature,apply cotton wool glue to the gap between the plugs.When the temperature of the water entering the condenser tube is significantly different from the room temperature,the upper end of the condensation tube should be plugged with cotton to avoid air in the air.Water vapor enters the condensation tube and condenses.

　　★Dimensions:690X260X210mm

　　★Weight:8.5kg

　　沥青含水量测定仪试验步骤：

　　★加热烧瓶并控制冷凝液的回流速度，使冷凝管的斜口保持每秒滴下2-5滴液体。

　　★回馏过程中，水分接受器中水将打到A大容积刻度前，停止加热，待无溶剂滴出时，迅速取下接受器，并将溶剂倒入一量筒中，然后装好继续加热回馏。

　　★回馏将近完毕时，如果冷凝管内壁沾有水滴，应使烧瓶中的混合液在短时间内剧烈沸腾，利用冷凝的溶剂将水滴尽量洗入接受器内。

　　★接受器收集的水体积不再增加，而且上层的溶剂完全透明时，应停止加热。

　　★停止加热后，如冷凝管内壁仍有水滴，应从冷凝管上端倒入溶剂，把水滴冲进接受器，如溶剂冲洗依然无效，**用细玻璃棒带有橡皮的一端，把冷凝器内的水刮到接受器中。

　　★使玻璃冷却后，将仪器拆卸，读记接受器内或量筒中水分的体积（Vm）当接受器的溶剂呈现浑浊，且管底收集的水分不超过0.2ml时，将接受器放入热水浸20-30分钟，使溶剂澄清，再将接受器冷却至室温后，才读记管底收集水分的体积。

　　Test steps of asphalt water content tester:

　　★Heat the flask and control the reflux rate of the condensate,so that the oblique opening of the condensate tube keeps dropping 2-5 drops of liquid per second.

　　★During the distillation process,the water in the water receiver will hit the A large volume scale before stopping heating.When no solvent drips out,quickly remove the receiver,pour the solvent into a graduated cylinder,and then install it to continue heating Back to distillation.

　　★When the retorting is almost completed,if the inner wall of the condensation tube is dripped with water,the mixture in the flask should be boiled violently in a short time,and the water droplets should be washed into the receiver as much as possible using the condensed solvent.

　　★When the volume of water collected by the receiver no longer increases,and the solvent in the upper layer is completely transparent,the heating should be stopped.

　　★After stopping heating,if there is still water droplets on the inner wall of the condenser tube,pour the solvent from the upper end of the condenser tube and flush the water droplets into the receiver.If the solvent rinse is still not effective,**use a thin glass rod with the rubber end to put the inside of the condenser.Water into the receiver.

　　★After cooling the glass,disassemble the instrument,and record the volume of water in the receiver or graduated cylinder(Vm).When the solvent in the receiver is turbid and the water collected in the bottom of the tube does not exceed 0.2ml,place the receiver in the heat.Immerse in water for 20-30 minutes to clarify the solvent.After the receiver is cooled to room temperature,read the volume of water collected at the bottom of the tube.

　　LHS-1沥青含水量测定仪计算公式:

　　试样含水量的质量百分率按下列公式计算：

　　Pw=Vw/（m2-m1）.Pw***

　　式中：Pw-试样含水量（%）

　　Vw-接受器中水分的体积（ml）

　　m1-玻璃烧瓶质量（g）

　　m2-玻璃烧饼与试样合计质量（g）

　　Pw-水的密度（1g/ml）

　　LHS-1 Asphalt Moisture Meter Calculation Formula:

　　The mass percentage of the water content of the sample is calculated according to the following formula:

　　Pw=Vw/（m2-m1）.Pw***

　　In the formula:Pw-moisture content of the sample(%)

　　Vw-volume of water in the receiver(ml)

　　m1-mass of glass flask(g)

　　m2-Total mass of glass cake and sample(g)

　　Pw-density of water(1g/ml)

　　LHS-1沥青含水量测定仪紧密度或允许差:

　　对粘稠石油沥青，若接受器中的水不足1ml时，重复性试验精度的允许差为0.1ml，再现性试验精度的允差为0.2ml，若接受器中的水为1.1-25ml时，重复性试验精度的允许差为0.1ml或平均值的2%，再现性试验精度的允许差为0.2ml或平均值的10%

　　对乳化沥青，重复性试验精度的允许差为0.8%，再现性试验精度的允许差为2.0%.

　　LHS-1 bitumen moisture meter tightness or allowable difference:

　　For viscous petroleum asphalt,if the water in the receiver is less than 1ml,the allowable difference in repeatability test accuracy is 0.1ml,and the allowable difference in repeatability test accuracy is 0.2ml.The tolerance of the accuracy of the repeatability test is 0.1ml or 2%of the average value,and the tolerance of the repeatability test accuracy is 0.2ml or 10%of the average value

　　For emulsified asphalt,the allowable difference in repeatability test accuracy is 0.8%,and the allowable difference in repeatability test accuracy is 2.0%.

　　沥青含水量测定仪结构：

　　①玻璃烧杯：硬玻璃制、圆底、短颈、直径100mm，容积500ml

　　②、水分接受器：容积在0.3ml以下设有10等分刻度，0.3-1ml间设有7等分的刻度，1-10ml间每份度为0.2ml。但精度相邻的水分接受器也可使用。

　　③、冷凝管：至形、或球形，内管直径10mm，全长350-400Mm,末端斜切，套管直径40-50mm长250-300mm，进出水管口接近两端，但尺寸相邻的冷凝管也可使用。

　　④、铁架：附有铁环及铁夹。⑤、加热器：电炉或燃气炉

　　⑥、底盘

　　Structure of asphalt water content tester:

　　①Glass beaker:made of hard glass,round bottom,short neck,diameter 100mm,volume 500ml

　　②Moisture receiver:10-division scale is set for volume below 0.3ml,7-division scale is set between 0.3-1ml,and 0.2ml is used in 1-10ml.But adjacent moisture receivers can also be used.

　　③Condensate tube:to shape or spherical,inner tube diameter 10mm,total length 350-400Mm,end beveled,casing diameter 40-50mm long 250-300mm,inlet and outlet pipe mouths are close to both ends,but the size of the adjacent condensation Tubes are also available.

　　④Iron frame:iron ring and iron clip are attached.⑤Heater:electric stove or gas stove

　　⑥Chassis

　　沥青含水量测定仪试验配备：

　　1、天平：感量不大于0.1g。

　　2、量筒：100ml，刻度：1ml

　　3、石棉网

　　4、其他：玻璃毛细管（一端封闭）或红噶的五轴磁片，带橡皮头的玻璃棒等。

　　5、溶剂：二或与二的混合物等，工业醇。

　　Test equipment for asphalt water content tester:

　　1.Balance:Sensitivity is not more than 0.1g.

　　2.Measuring cylinder:100ml,scale:1ml

　　3.Asbestos net

　　4.Others:glass capillary(closed at one end)or Hongma's five-axis magnetic sheet,glass rod with rubber head,etc.

　　5.Solvent:two or a mixture with two,etc.,industrial alcohol.

　　LHS-1沥青含水量测定仪注意事项:

　　本仪器不能一时加温过快。

　　防止短口圆底烧瓶。

　　Note for LHS-1 Asphalt Moisture Analyzer:

　　This instrument cannot be heated too quickly.

　　Prevent short mouth round bottom flasks.