Bently Nevada 3300/50-01-02-03-02 Tachometer Monitor

Overview

The Bently Nevada 3300/50-01-02-03-02 is a high-performance Tachometer Monitor. It continuously measures shaft rotational speed, zero-speed, and rotor acceleration. The monitor suits turbines, compressors, motors, and other high-speed machinery. Moreover, it complies with API 670 standards, ensuring reliable machinery protection.

Technical Specifications

Inputs

• Signal Types: TTL, magnetic pickup sensors, eddy-current proximity probes.
• Frequency Range: 0 to 10 kHz.
• Input Voltage Range: 0.5 V to 50 V peak-to-peak.

Outputs

• Analog Output: Programmable +4 to +20 mA, 0 to -10 Vdc, or +1 to +5 Vdc. Proportional to full-scale range.
• Buffered Transducer Outputs: Two coaxial connectors, short-circuit protected.
• Alarm Relays: SPDT contacts for overspeed and underspeed alarms.

Performance

• Speed Measurement Range: 1 to 99,999 rpm.
• Acceleration/Deceleration Range: -9,999 to 9,999 rpm/min.
• Accuracy: ±1 rpm for speed, ±20 rpm/min for rotor acceleration.
• Response Time: <1 ms for real-time monitoring.

Physical and Environmental

• Operating Temperature: -40 °C to +85 °C (-40 °F to +185 °F).
• Storage Temperature: -40 °C to +100 °C (-40 °F to +212 °F).
• Humidity: Up to 95% non-condensing.
• Dimensions: Height 19.1 cm, Width 3.8 cm, Depth 30.5 cm.
• Weight: 1.5 kg

Additional Features

• Full Scale Range (02): 0–10,000 RPM
• Alarm Relay Option (03): Hermetically sealed relays with latching capability
• Agency Approval (02): CSA / NRTL / C certified
• Recorder Outputs: 4–20 mA or 0–10 VDC analog output
• Accuracy: ±0.5% of full scale
• Response Time: <10 ms
• Power Supply: 24 VDC
• Mounting: Rack-mounted (3300 series rack)
• Operating Temperature (Rack Spec): –20°C to +65°C