J402-16156 炉膛微压开关 双点式 美国UE代理 正负5KPa 橡胶膜片
UE多点压力开关型号
J400-570 J400-571 J400-572
J400-358 J400-361 J400-376
J400-S126B J400-S134B J400-S137B J400-S144B
J400-S146B J400-S156B J400-S164B
J400-610 J400-16014 J400-614
J402-570 J402-571 J402-572
J402-358 J402-361 J402-376
J402-S126B J402-S134B J402-S137B J402-S144B
J402-S146B J402-S156B J402-S164B
J402-610 J402-16014 J402-614
J402-520 J402-521 J402-522 J402-523 J402-524 J402-525
调试方法
1. 将万用表接到输出导线上;
2. 旋下控制器顶上的螺钉;
3. 将正负压差加至0.15MPa,此值可从标准压力计中读出;
4. 松开紧定螺钉;
5. 用一字扳手,顺时针旋动设定值调节螺内六角槽,使设定值有小变大,直至开关触点在0.15MPa处切换;
6. 调节校验台压力在0.6MPa上下来回变化,检验压力下降时是否是0.15Mpa,此值即为要设定的下切换值。其对应的上切换值在0.16-0.17MPa之间;
7. 旋紧紧定螺钉。
8. 调试完毕
压力开关定义
压力:垂直作用于流体或固体界面单位面积上的力。
差压:差压是指2个或多个压力点之间的压强的相对差值
表压(相对压力):*压力与周围大气压的差值
绝压:以*零压为基准的压力值
压力开关:测量介质的压力,并进行反馈输出和控制的机械装置
*压力=表压力+大气压力
*压力=大气压力-真空压力
J403系列压力开关
J403-S134B J403-S137B J403-S144B J403-S146B J403-S156B
J403-S164B J403-126 J403-134 J403-137 J403-144 J403-146 J403-156
J403-164 J403-270 J403-274 J403-358 J403-361 J403-376 J403-442
J403-443 J403-448 J403-450 J403-451 J403-452 J403-453 J403-454
J403-550 J403-551 J403-552 J403-553 J403-554 J403-555 J403-570
J403-571 J403-572 J403-610 J403-612 J403-614 J403-S126B
J403-570 J403-571 J403-572 J403-358 J403-361 J403-376
J403-S126B J403-S134B J403-S137B J403-S144B J403-S146B
J403-S156B J403-S164B
J403-610 J403-16014 J403-614
H400-358 H400-361 H400-376
H400-S126B H400-S134B H400-S137B H400-S144B H400-S146B
H400-S156B H400-S164B
H402-358 H402-361 H402-376
H402-S126B H402-S134B H402-S144B H402-S146B H402-S156B H402-S164B
H403-358 H403-361 H403-376
H403-S126B H403-S134B H403-S144B H403-S146B H403-S156B H403-S164B