991 Thrust Transmitter Bently Nevada 991-25-70-01-01

Overview:

The Bently Nevada 991-25-70-01-01 is a precision vibration monitoring transmitter designed for use with 3300 NSv proximity probes. It provides high accuracy and reliability for industrial applications, offering flexible configurations for system length, mounting, and output options.

Technical Specifications for 991-25-70-01-01

• Manufacturer: Bently Nevada
• Model: 991-25-70-01-01
• Full-scale Option: 2, 5, 25-0-25 mils
• System Length Options: 7.0 meters (23.0 feet)
• Mounting Options: 35 mm DIN-rail clips
• Agency Approval Option: CSA Division 2
• Input: Accepts 1 non-contacting 3300 NSv proximity probe with extension cable.
• Power Supply: +12 to +35 VDC input at the transmitter terminal.
• Output: 4 to 20 mA in a 2-wire configuration.
• Accuracy: ±1.5% over the full-scale range (typical).
• Maximum Loop Resistance: 1,000 Ω (including cable at 35 VDC).
• Current Limiting: 23 mA (typical).
• Transducer Tip Material: Polyphenylene sulfide (PPS).
• Transducer Case Material: AISI 303 or 304 Stainless Steel (SST).
• Probe Cable: 75Ω coaxial, FEP insulated.
• Cable Armor (optional): Flexible AISI 302 SST with optional FEP outer jacket.
• Tensile Strength: 222 N (50 lbf) probe case to probe lead maximum.
• Weight: 0.43 kg (0.9 lbm).

FAQ

Q1: What is the range of the 991 Thrust Transmitter?

A1: The device supports full-scale options of 2, 5, and 25-0-25 mils, giving users flexibility based on their application.

Q2: How is the device powered?

A2: The 991 Thrust Transmitter requires a +12 to +35 VDC input at the transmitter terminal.

Q3: What is the accuracy of this transmitter?

A3: The accuracy of the transmitter is within ±1.5% over the specified full-scale range.

Q4: Can this transmitter be used in hazardous locations?

A4: Yes, it is approved for use in Zone 2 or Div 2 hazardous areas.

Q5: Is the transmitter compatible with the 3300 NSv proximity probe?

A5: Yes, it works with the 3300 NSv proximity probe, which measures the axial displacement of machinery components.

For more detailed information:991 Thrust Transmitter Datasheet