176449-09 | 3500/70M Recip Impulse Velocity Monitor

The 176449-09 3500/70M Recip Impulse Velocity Monitor is a specialized 4-channel device used in reciprocating compressor monitoring. It is part of the comprehensive 3500/70M solution for monitoring compressor crankcase and crosshead vibration. This monitor processes input from seismic transducers, conditions the signal to derive vibration data, and compares the results to user-defined alarm settings.

Key Features and Outputs

Front Panel LEDs

The 176449-09 monitor features several front panel LEDs to indicate key operating statuses:

OK LED: This light shows that the monitor is operating correctly and within normal parameters.
TX/RX LED: This indicates communication between the 3500/70M and other modules in the 3500 rack.
Bypass LED: This signals when the monitor is in Bypass Mode, allowing for system adjustments without monitoring.

Buffered Outputs

Each 3500/70M monitor provides buffered transducer outputs. The front of the unit has a coaxial connector for each channel, making it easy to connect external devices for additional monitoring or data logging.

Recorder Outputs

The 3500/70M provides +4 to +20 mA recorder outputs, which are proportional to the monitor’s full-scale output. You can select a static data value from each channel to record, simplifying long-term trend analysis and data collection.

Rack Space and Physical Specifications

The 176449-09 monitor requires one full-height front slot in the 3500 rack for installation. Below are the physical dimensions and weight for easy reference:

Dimensions (Height x Width x Depth):
241.3 mm x 24.4 mm x 241.8 mm (9.50 in x 0.96 in x 9.52 in)
Weight: 0.91 kg (2.0 lb)

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