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精密压力表

 

一、结构与用途 Sturcture and Use
 
      精密压力表主要用来校验工业用普通压力表,也可用于精密测量对铜合金和合金结构等无腐蚀性、非结晶、非凝固的各种介质的压力。仪表由测量系统、指示部分和表壳等组成。仪表有较好的密封性并设有检封装置,能保护其内部测量机构免受机械损伤和污秽浸入;
      仪表的作用原理是基于弹性元件形变。在被测介质的压力作用下,迫使弹簧之未端产生相应弹性形变-位移,借助于拉杆经齿轮转动机构的传动并予放人,由固定于齿轮轴上的指针逐将被测值在刻度盘上指示出来。
      Precision pressure meter is to use check the industrial normal pressure meter,and can be measure some medium pressure like have no corruption for copper, no crystal, no-concretion. The meter composed by test system,note parts and body. The meter has a better airproof feature,and have seaI check system, and can protect the detect depart be dirt or machine broken .
 
二、技术参数 Technique parameter
 
名 称
Name
型 号
Model
准确等级
Precision grade
使用环境条件
Work environment
温度影响
Temperature influence
连接螺纹
Joint screw
弹簧管材料
Spring pipe material
测量范围(MPa)
Test range
精密压力表
Precision pressure meter
YB-150
YB-150A
0.4/0.25 5℃-40℃,相对湿度不大于80%,且震动和压力源的波动应对仪表的精确度读数无影响

5℃-40℃,the humid is Not pass 80%,and the vibration and pressure source is not effect the meter precision
使用温度如偏离(20±3)℃(A型)或(20±2)℃(B型)时,则须考虑温度附加误差(0.4%10℃)

If the temperature departure(20±3)℃(A style)or(20±2)℃(B style),must to conceder the temperatue append error.(0.4%10℃)
M20×1.5 锡磷青铜铬钒钢
Tin-phoshor-bronze-chrome-vanadium steel
-0.1~0
0~0.1
0~0.16
0~0.25
0~0.4
0~0.6
0~1
0~1.6
0~2.5
0~4
0~6
0~10
0~25
0~40
0~60
轴向带边精密压力表
Axis direction pressure meter with the margin
YB-150ZT
不锈钢精密压力表
Stainless precision pressure meter
YB-150BH
注:1.括号内型表示可选,可参照型表示图
     2.量程除MPa,可以Psi/bar,mmHg……
Note:1.In the bracket (the model should be selected),can be refer to the table of model
       2.The measuring range except MPa,also to use Psi/bar,mmHg……
三、型号表示及外形尺寸 Model express and figure dimension
 
代号 code name 说明 Illusion
YB     精密压力表 Precision pressure
150     表盘直径 150mm Table diameter 150mm
A     表示0.4级 Express 0.4 grade
B     表示0.25级带调零装置 Note 0.25 grade with the back zero set
H     全不锈钢 Full stainless steel
ZT     轴向带边 Axis and with border
注:如有其它要求须我厂技术确认澄清后可定制。
Note:If you need other need,please clarify by engineer and to order.

 

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