450DR-2222-0100 - Vibration Sensor – Metrix

450DR-2222-0100 - Vibration Sensor – Metrix – Song Thành Công

Tên: 450DR-2222-0100 - Vibration Sensor

Model: 450DR-2222-0100

Nhà sản xuất: Metrix

Đại lý phân phối: Song Thành Công

[caption id="attachment_6494" align="alignnone" width="400"] 450DR-2222-0100 - Vibration Sensor – Metrix[/caption]

Thông tin sản phẩm:

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• 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.

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