Bently Nevada 3500/72M 176449-08 Recip Rod Position Monitor

Frequently Asked Questions (FAQ)

Q1: What does the 3500/72M Recip Rod Position Monitor measure?
A1: It measures rod position, rod drop, and hyper-compressor rod motion parameters such as peak-to-peak amplitude, rod angle, crank angle, gap, and instantaneous piston position.

Q2: How many proximity probes can the 3500/72M accept?
A2: It accepts up to four proximity transducer signals across four channels.

Q3: What is the power consumption of the 3500/72M module?
A3: The power consumption is nominally 7.7 watts.

Q4: What is the typical accuracy of the rod position amplitude measurements?
A4: Accuracy is typically within ±0.33% of full-scale, with a maximum deviation of ±1%.

Q5: What kind of frequency response filters are implemented?
A5: It uses fixed peak-to-peak filters (1–600 Hz), a -3 dB gap filter at 0.09 Hz, and constant Q notch/vector filters for 1X, 2X, and Not 1X components.

Q6: Does the module support alarm configuration?
A6: Yes, it allows alert and danger setpoints to be configured via 3500 Rack Configuration Software, with delays adjustable from 1 to 60 seconds.

Q7: What is the environmental operating range for this unit?
A7: The operating temperature ranges from -30°C to +65°C, depending on the I/O module type, with 95% non-condensing humidity.

Q8: What certifications does the 3500/72M comply with?
A8: It complies with FCC, EMC (EN 61000), LV Directive (EN 61010-1), RoHS, maritime standards (DNV/ABS), and hazardous area approvals including ATEX and cNRTLus.

176449-08 3500/72M Bently Nevada Recip Rod Position Monitor

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