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面议美国*UE-J400系列压力开关UE差压开关J402-550
UE差压开关由2个膜盒腔组成,两个腔体分别由两片密封膜片和一片感差压膜片密封。高压和低压分别进入差压开关的高压腔和低压腔,感受到的差压使感压膜片形变,通过栏杆弹簧等机械结构,zui终启动zui上端的微动开关,使电信号输出。差压开关的感压元件不同分为膜片和波纹管式,性能特点亦不同。差压开关由感压元件的组成不同,原理不同,性能也有不同。膜片式可以做成高静压低差压,而波纹管因为本身耐压低。
技术参数
储存温度: -54 to 71度
环境温度: -40 to 71 度;环境温度每变化28度,设定点典型漂移值小于全量程的1%
设定点重复性: 温度开关:为可调范围的正负2%
压力开关:126-376,520-535,540-547,570-572,S126-S164B型:为可调范围的正负
2%;440-457,550-559型:为可调范围的正负1%;610-614型为可调范围的正负3%
抗冲击: 经10毫秒、15G冲击实验后,可重现设定点
抗振动: 经2.5G、5-500Hz振动实验后,可重现设定点
外壳: 压铸铝合金壳体;环氧树脂涂层;垫圈密封;卡紧螺丝
外壳等级: 符合NEMA 4X要求
开关输出: 一个,两个或三个单刀双掷(SPDT)输出;可在调整范围内进行100%分别设定;521-524,
531-534型;50%;520,525,530,535,570-572型;30%开关可接成“常开型”或“常闭型”
电额定值: 15A,125/250/480VAC,电器开关不用于直流电源形式
重量: 3-7.5磅;(因型号而异)
电器接口: 1个3/4"NPT,两个7/8"直径的敲出孔
压力接口: 1/4"NPTF:S126B-S164B型,520-535型:1/2"NPFT;540-547型;1/8"NPTF
温度组件: E系列采用F系列同样的组件,但是由于采用参考刻度使量程范围受到限制温包和毛细管;6英尺长,304不锈钢 直插式:120和121型:镀镍黄铜,也可选316L不锈钢
填充: 1BS型:充填溶剂:2BS-8BS;充填无毒油
温度死区: 在实验室条件下,F系列为全范围内1%,E系列为2%
差压指示器: 适用于J400K,J402K的147-S157B型;50%量程时大约精度为1.5%,在端点两侧时为3%;
指示窗是柔性玻璃材质:指示器可以进行现场调节,其精度为设定点范围的1%
美国*UE-J400系列压力开关UE差压开关J402-550
J400系列压力,差压开关
J402-552 J402-553 J402-612 J402-555 J400-570 J400-571 J400-572 J402-S156B
J400-358 J400-361 J400-376 J400-610 J400-614 J400-126 J400-134 J402-S164B
J400-137 J400-144 J400-146 J400-156 J400-164 J400-270 J400-274 J400-16014
J400-440 J400-441 J400-442 J400-443 J400-448 J400-449 J400-450 J400-S126B
J400-451 J400-452 J400-453 J400-454 J400-550 J400-551 J400-552 J400-S134B
J400-553 J400-554 J400-555 J403-570 J403-571 J403-572 J403-361 J400-S137B
J403-358 J403-376 J403-610 J403-614 J403-126 J403-134 J403-137 J400-S144B
J403-144 J403-146 J403-156 J403-164 J403-270 J403-274 J403-440 J400-S146B
J402-520 J402-521 J402-522 J402-523 J402-524 J402-525 J402-530 J402-S134B
J402-531 J402-532 J402-533 J402-534 J402-535 J402-570 J402-571 J402-16014
J400K-457 J400K-599 J402K-127 J400K-127 J402K-137 J400K-S146B J400K-S156B
J402K-134 J402K-144 J400K-456 J402K-146 J402K-156 J400K-S157B J402K-S127B
J402K-157 J402K-455 J402K-456 J402K-457 J402K-599 J402K-S134B J402K-S137B
J402K-540 J402K-541 J402K-542 J402K-543 J402K-544 J402K-S157B J402K-S156B
J402K-545 J402K-546 J402K-547 J402K-548 J400K-544 J402K-S146B J402K-S144B
J402-572 J402-358 J402-361 J402-376 J402-610 J402-614 J402-126 J402-S126B
J402-134 J402-137 J402-144 J402-146 J402-156 J402-164 J402-270 J402-S137B
J402-574 J402-440 J402-441 J402-442 J402-443 J402-448 J402-449 J402-S144B
J402-450 J402-451 J402-452 J402-453 J402-454 J402-550 J402-551 J402-S146B
J403-441 J403-442 J403-443 J403-448 J403-449 J403-450 J403-451 J400-S156B
J403-452 J403-453 J403-454 J403-550 J403-551 J403-552 J403-553 J400-S164B
J403-554 J402-554 J400K-134 J400K-157 J403-S164B J400K-S127B J400K-S134B
J403-555 J403-S126B J403-S134B J403-S137B J403-S144B J403-S146B J403-S156B
J400K-137 J400K-144 J400K-146 J400K-156 J400K-455 J400K-S137B J400K-S144B
H400系列压力,差压开关
H402-554 H402-555 H402-126 H402-134 H402-137 H402-144 H402-146 H400-S164B
H402-156 H402-164 H402-440 H402-441 H402-442 H402-443 H402-448 H402-S126B
H402-450 H402-452 H402-453 H402-454 H403-126 H403-134 H403-137 H402-S134B
H403-144 H403-146 H403-156 H403-164 H403-440 H403-441 H403-442 H402-S137B
H403-443 H403-448 H402K-456 H402-S144B H402-S156B H402-S146B H402-S164B
H400K-455 H400K-456 H402K-457 H400K-457 H403-S164B H403-S156B H403-S146B
H400K-559 H402K-455 H402K-559 H403-S144B H403-S137B H403-S134B H403-S126B
H400-258 H400-270 H400-274 H402-258 H402-270 H402-274 H400-354 H400-S126B
H400-358 H400-361 H400-376 H402-354 H402-358 H402-361 H402-376 H400-S134B
H403-354 H403-358 H403-361 H403-376 H400-126 H400-134 H400-137 H400-S137B
H400-144 H400-146 H400-156 H400-164 H400-440 H400-441 H400-442 H400-S144B
H400-443 H400-448 H400-450 H400-452 H400-453 H400-454 H400-550 H400-S146B
H400-552 H400-553 H400-554 H400-555 H402-550 H402-552 H402-553 H400-S156B
100系列温度开关
F100-3BC F100-4BC F100-5BC F100-6BC F100-7BC F100-2BC E100-2BCA E100-2BCB
E100-3BC E100-4BC E100-5BC E100-8BC F100-1BS F100-2BS F100-2BS E100-13545
F100-8BC E100-8BS F100-6BS F100-7BS F100-8BS F100-1BC E100-2BSB E100-2BSA
F100-4BS F100-5BS B100-120 B100-121 E100-3BS E100-4BS E100-5BS B100-13546
美国*UE-J400系列压力开关UE差压开关J402-550