美国UE多点压力开关J403-451J403-164美国UE中国代理西安秦控UE***代理成工电话/微信15388626179029-89390083***：1826994033UE***：http://J403-4510~19.91KPa3*SPDT***橡胶膜片及O型圈压力接口1/4NPT内丝铝制接口***大工作压力0.2bar三个报警点死区将增大控制泵起停开关控制泵的起停。工艺，一般由泵做一个动力源，将特定区域内的压力控制在(a，b)区间内，是否到达a、b点由开关输出开关量信号。方案一：H100-15731~15737,死区可调，SPDT输出，开关点的开闭可直接控制泵的起停。劣势：无现货，设定点易漂移可达设定点的10%现场需有校验能力，优势：中间不需要加逻辑控制器，也不会出现开关点死区>b-a区间所带来的问题。方案二：J402，2个SPDT输出。劣势，要加逻辑继电器两点同时动作时输出信号，优势：b-a>c时候不漂移。机械压力开关，为纯机械形变导致微动开关动作。当压力增加时，作用在不同的传感压力元器件（膜片、波纹管、活塞）产生形变，将向上移动，通过栏杆弹簧等机械结构，***终启动***上端的微动开关，使电信号输出。系列号-型号设定点可调范围死区***大过压范围耐压压力接口接液材料J403-4490to49.8mbar5.0to10.0mbar0.2bar15.5bar1/4"NPTFAlum-BunaN-BunaNJ402-16156-49.8to49.8mbar1.0to2.5mbar7.5mbar560.0mbar1/4"NPTF316Lst/st-BunaN-ZnPlatedstJ402-5246.2to124.5mbar0.5to5.0mbar13.8bar27.6bar1/2"NPTFAlum-BunaN-BunaNJ402-5346.2to124.5mbar0.5to6.2mbar3.4bar6.9bar1/2"NPTF316Lst/stJ402-1370to199.1mbar10.0to29.9mbar0.2bar0.3bar1/4"NPTFNiPlatedBrass-BrassJ402-4430to199.1mbar2.5to9.0mbar0.2bar15.5bar1/4"NPTFAlum-BunaN-BunaNJ402-4510to199.1mbar5.0to14.9mbar0.2bar15.5bar1/4"NPTFAlum-BunaN-BunaNJ402-5510to199.1mbar7.5to17.4mbar0.2bar15.5bar1/4"NPTF316Lst/st-Teflon-VitonJ402-S137B0to199.1mbar10.0to29.9mbar0.2bar0.3bar1/2"NPTF316Lst/stJ402-52524.9to622.3mbar0.5to24.9mbar13.8bar27.6bar1/2"NPTFAlum-BunaN-BunaNJ402-53524.9to622.3mbar0.5to24.9mbar3.4bar6.9bar1/2"NPTF316Lst/stJ402-1440to1.4bar13.8mbarto0.1bar1.4bar1.7bar1/4"NPTFNiPlatedBrass-BrassJ403-4530to1.4bar6.9to27.6mbar1.4bar15.5bar1/4"NPTFAlum-BunaN-BunaNJ402-5530to1.4bar6.9to41.4mbar1.4bar15.5bar1/4"NPTF316Lst/st-Teflon-VitonJ402-5700to1.4bar27.6mbarto0.6bar1.4bar15.5bar1/4"NPTF316st/st-316st/st-VitonJ402-S144B0to1.4bar13.8mbarto0.1bar1.4bar1.7bar1/2"NPTF316Lst/stJ402-1460to2.1bar13.8mbarto0.1bar2.1bar2.8bar1/4"NPTFNiPlatedBrass-BrassJ403-4540to2.1bar6.9to41.4mbar2.1bar15.5bar1/4"NPTFAlum-BunaN-BunaNJ402-5540to2.1bar13.8mbarto0.1bar2.1bar15.5bar1/4"NPTF316Lst/st-Teflon-Viton)