Product Overview
The Bently Nevada 3500/77-03-00 is a vital component of the 3500 Machinery Protection System. It serves as a 4-channel monitor for reciprocating compressors. The module conditions signals from approved pressure transducers to ensure reliable operation. It constantly compares inputs against user-defined Alert and Danger setpoints. This process helps prevent critical machine failures.
Key Diagnostic Capabilities
This monitor provides deep insights into cylinder performance. It tracks several essential variables for maintenance personnel:
- Discharge and Suction Pressures
- Maximum and Minimum Pressures
- Compression Ratio
- Peak Rod Compression and Tension
- Degree of Rod Reversal
Technical Specifications
| Brand | Bently Nevada |
| Model | 3500/77-03-00 |
| Frequency Response | 0 to 5.5 kHz |
| Pressure Accuracy | ± 0.5% at +25°C |
| Operating Temp | -30°C to +65°C |
| Input Impedance | 50 kΩ |
| Power Consumption | 7.8 Watts |
Installation and Maintenance
- The system uses one full-height slot for the monitor and one for the I/O module.
- This 3500/77-03-00 unit features internal terminations for simplified field wiring.
- Front-panel LEDs provide immediate status for OK, TX/RX, and Bypass modes.
- Buffered outputs allow for easy signal verification during maintenance.
Support and Compatibility
- Fully compatible with standard Bently Nevada voltage transducers.
- We provide a 12-month quality warranty on all units.
- Fast global shipping available via FedEx, UPS, and DHL.
Documentation
Download the full installation and configuration manual here: Download 3500/77M Manual
Frequently Asked Questions
- What is the main purpose? It offers continuous protection for reciprocating compressors.
- How many channels are included? The module supports 4 independent pressure input channels.
- Is the design robust? Yes, it supports harsh environments from -30°C to +65°C.
Contact Us
For inquiries or technical support, reach out to our team:
Email: info@oiltechcontrols.com
WhatsApp: +86 158 8020 0923
Copyright © 2026 Oiltech Controls Limited. All rights reserved.
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