Product Overview
The Bently Nevada 3500/77M (140734-07) is a specialized 4-channel monitor integrated within the 3500 Machinery Protection System. While the "77M" series is frequently associated with temperature monitoring, the 140734-07 specifically refers to the Reciprocating Cylinder Pressure Monitor variant. This module is engineered for the diagnostic and protective requirements of reciprocating compressors. It captures high-speed cylinder pressure data to calculate key performance metrics such as peak pressure, discharge pressure, and suction pressure. By monitoring these variables in real-time, the module protects against mechanical overloads and optimizes the thermal efficiency of reciprocating units.
Technical Specifications
The following technical parameters detail the operational capabilities of the 3500/77M-140734-07:
| Parameter | Specification Details |
| Model Number | 3500/77M (140734-07) |
| Module Type | Reciprocating Cylinder Pressure Monitor |
| Input Channels | 4 Independent Pressure Channels |
| Transducer Type | Pressure Transducers (typically Charge or Voltage mode) |
| Sampling Rate | High-speed synchronous sampling tied to Phase Reference |
| Measurement Metrics | Suction/Discharge Pressure, Peak Pressure, Compression Ratio |
| Signal Condition | Integrated signal conditioning for dynamic pressure waves |
| Accuracy | ±0.5% of full-scale range (typical) |
| Resolution | 16-bit A/D Conversion |
| Operating Temp | -30 °C to +65 °C (-22 °F to +149 °F) |
| Dimensions | 24.5 cm x 2.5 cm x 25.5 cm |
| Weight | 0.82 kg (1.8 lbs) |
What's clients say about us
Excellent Emergency Support!
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Mark Thompson
Maintenance Manager, USAReliable Source for New Spares
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
Robert Hoffmann
Engineering Lead, GermanyTop-tier Service and Quality
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.
Lucas Müller
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