METRIX振动开关450SR10902000-1AMP

METRIX作为工业振动监测系统的供应商，服务于全球许多的冷却塔，汽轮机，往复式压缩机和其它旋转复式机械的制造商和用户。

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METRIX振动开关450系列技术参数

METRIX振动开关450系列介绍

电子开关采用固态晶体加速度计，当其因振动力而变形时，会提供电输出。输出以电子方式转换为与速度成比例的信号。该信号与预设限值进行比较，如果超过限值，则触发固态继电器。440 振动开关中没有移动部件，除非配置了机械继电器。

开关的一个重要特性是内置延时。这可以防止因振动水平瞬时增加而触发警报或关机功能。它还可以避免因启动期间发生的瞬时振动而关机。

几乎所有机器在启动时都会经历几秒钟的高振动，然后才能达到运行速度。当没有延时功能时，就像机械开关一样，这种启动振动会导致跳闸。操作员经常会调高跳闸设置，直到他能够完成启动。由此产生的跳闸水平太高，无法在机器的运行速度下提供保护。

三秒警报跳闸延迟是开关的标准配置。警报时间延迟可在现场独立调整，范围为 2 到 15 秒。

The electronic switch utilizes a solid state crystal accelerometer which provides an electrical output when it is deformed by the vibration forces. The output is electronically converted to a signal proportional to velocity. This signal is compared with a preset limit and triggers a solid state relay if the limit is exceeded. There are no moving parts in the 440 vibration switches except when configured with mechanical relays.

An important feature of the switch is the built-in time delay. This prevents triggering of the alarm or shutdown functions from transient increases in vibration levels. It also avoids shutdown due to transitory vibrations occurring during start-up.

Almost all machines experience a few seconds of high vibration during start-up before reaching operating speed. When no time delay function is included, as with mechanical switches, this start-up vibration causes a trip. Frequently, the operator turns the trip setting up until he can get through start-up. The resultant trip level is too high to afford protection at the machine’s operating speed.

Three-second alarm trip delay is standard on the switch. Alarm time delays are independently adjustable in the field over a range of 2 to 15 seconds.

METRIX振动开关450系列选型

 

METRIX振动开关450系列其他常用型号：

METRIX 450DR-2022-0200

METRIX 450DR-2222-0100

METRIX 450DR-2122-0100

METRIX 450DR-2222-9120

METRIX 450DR-2144-0100

METRIX 450DR-2122-0000

METRIX 450DR-2044-0100

METRIX 450SR10902000-1AMP

METRIX VIBRATION SWITCH NEW + ORIGINAL+ ONE YEAR WARRANTY

爱泽工业成立于2010年，定位于向制造工业提供高端制造技术和设备。代理经营世界优质的电气自动化、机械与传动、流体控制、仪器仪表、工具等产品。作为电气，液压以及气动解决方案的合作伙伴，我们利用我们的全球协作团队，为客户提供先进解决方案，市场知识以及相关增值服务来帮助优化客户的工作效率，提高可靠性和安全性，致力于成为工业产品和解决方案的优质渠道。

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METRIX振动开关450系列450SR10902000-1AMP技术参数及选型