Product:3500/64M 176449-05 Bently Nevada Dynamic Pressure Monitor

The 3500/64M Dynamic Pressure Monitor is a single slot, fourchannel monitor that accepts input from high temperature pressure transducers and uses this input to drive alarms.

The monitor’s one measured variable per channel is bandpass dynamic pressure. You can use the 3500 Rack Configuration Software to configure the bandpass corner frequencies along with an additional notch filter.

The monitor provides a recorder output for control system applications.

The primary purpose of the 3500/64M Dynamic Pressure Monitor is to provide the following:

l Machinery protection by continuously comparing monitored parameters against configured alarm setpoints to drive alarms l

Essential machine information for operations and maintenance personnel Each channel, depending on configuration, conditions its input signal to generate various parameters called measured variables.

You can configure alert and danger setpoints for each active measured variable.

Signal Conditioning Dynamic Pressure -

Direct Filter Low mode 5 Hz to 4 KHz If no LP filter is chosen, the range extends to approximately 5.285 KHz High mode 10 Hz to 14.75 KHz

Fixed low pass Low and high filtering modes are options for a channel pair. Channels 1 and 2 form a pair, and channels 3 and 4 are the other pair. You may select different band pass options on each channel of a channel pair.

However, the channels within the pair must operate in the same filtering mode. You can set up the signal processing so that the monitor feeds only the channel 1 input to all four channels.

This feature is called Cascade Mode and is denoted as 1 >ALL in the 3500 Rack Configuration Software. In Cascade Mode, you can select filter mode options for a channel pair only.

One transducer provides input to four channels for different filtering requirements. As a result, you can configure four separate bandpass filter options and four separate full-scale ranges with one transducer input. The two modes of filtering provide different qualities of filtering.

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3500/40-01-00 176449-01+125680-01

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