Bently Nevada 74712-06-05-04-00 | Two-wire Transducer

Overview

The Bently Nevada 74712-06-05-04-00 High Temperature Two-Wire Seismoprobe Velocity Transducer is a robust and highly sensitive measurement device designed for accurate vibration monitoring in harsh industrial environments. Ideal for high-temperature applications, this transducer offers a wide dynamic operating range, superior frequency response, and outstanding shock resistance. It is commonly used in vibration monitoring systems such as the Bently Nevada 3300 and 3500 series.

Features:

• Temperature Range: Operates in extreme temperatures from -29°C to +204°C (-20°F to +400°F).
• Frequency Response: Wide frequency response range of 4.5 to 1000 Hz, providing precise measurements across a broad spectrum.
• Sensitivity: 20 mV/mm/s (500 mV/in/s), ±5% when properly terminated and oriented.
• Amplitude Linearity: ±5% linearity from 0.01 to 5.0 in/s (0.254 to 127 mm/s) at 100 Hz.
• Shock Resistance: Can withstand 50 g peak acceleration along a non-sensitive axis.
• Velocity Range: Measures up to 25 mm/s (1 in/s), ensuring accurate monitoring of machinery vibrations.
• Environmental Resilience: High shock resistance and a wide operating temperature range for challenging environments.

Technical Specifications:

• Model: 74712-06-05-04-00 – High Temperature Two-Wire Seismoprobe Velocity Transducer
• Sensitivity: 20 mV/mm/s (500 mV/in/s), ±5%
• Dynamic Range: 2.54 mm (0.100 in) peak to peak max displacement
• Mounting Options: Isolated circular base M10X1 with a top mount connector
• Load Resistance: 10 kΩ terminal “A” to “B” output
• Frequency Response: 4.5 to 1000 Hz (270 to 60,000 CPM); +0, -3 dB typical.
• Shock Resistance: 50 g peak maximum acceleration
• Lead Wire Length: 305 meters (1,000 feet) maximum
• Operating Temperature: -29°C to +204°C (-20°F to +400°F)
• Material: Anodized aluminum A204 case, silicone gasket, cadmium-plated aluminum connector
• Weight: 480 grams (17 ounces) typical
• Calibration: ±5% sensitivity when properly terminated at the specified angle of calibration

FAQ:

1. What is the maximum operating temperature for the 74712 Seismoprobe?
   • The transducer operates within a temperature range of -29°C to +204°C (-20°F to +400°F).
2. What is the lead wire length limitation?
   • The maximum lead wire length is 305 meters (1,000 feet) between the transducer and the 3300 or 3500 series monitor.
3. Can the Seismoprobe withstand mechanical shock?
   • Yes, it can withstand up to 50 g peak acceleration along a non-sensitive axis.
4. What is the frequency response range of this Seismoprobe?
   • The frequency response ranges from 4.5 to 1000 Hz, typically offering a +0, -3 dB response.

Check official datasheet for more detailed information:9200 and 74712 Seismoprobe Velocity Transducers Datasheet