991-06-70-02-05 Vibration Transmitter Bently Nevada

Bently Nevada 991-06-70-02-05 Axial Thrust Transmitter for Critical Machinery Protection

The Bently Nevada 991 series thrust transmitter provides essential monitoring for axial shaft position. The model 991-06-70-02-05 is manufactured in the USA and delivers precise, bi-directional measurement with robust global certifications. It outputs a reliable 4-20 mA signal, ideal for protecting turbines, compressors, and other high-value assets. For detailed specifications, download the comprehensive technical datasheet here.

Product Overview & Ordering Configuration

• Manufacturer: Bently Nevada, the industry benchmark for condition monitoring.
• Product Number: 991-06-70-02-05.
• Product Type: 991 Series Probe Vibration (Thrust) Transmitter.
• Origin: Made in the U.S.A., ensuring superior craftsmanship and reliability.
• Full-Scale Range (06): 0.6-0-0.6 mm (or 25-0-25 mils), perfect for measuring axial displacement in both directions.
• System Length (70): Integrated 7.0 meter (23.0 foot) cable for flexible installation.
• Mounting (02): Secure bulkhead screw mounting for stable panel attachment.
• Agency Approvals (05): Comprehensive: CSA Division 2, ATEX Zone 0, ATEX Zone 2, and ABS maritime approval.

Core Electrical & Signal Specifications

• Output Signal: Standard 4 to 20 mA two-wire current loop for universal system integration.
• Power Supply: Requires a +12 to +35 V DC input at the transmitter terminals.
• Loop Accuracy: High typical accuracy of ±1.5% over the specified full-scale range.
• Maximum Loop Resistance: Supports up to 1,000 Ω (including cable) at a 35 V DC supply.
• Current Limiting: Protected by 23 mA typical current limiting circuitry.
• Fault Response: Rapid "Not OK" signal forces output below 3.6 mA within 100 µs for immediate alarm.
• Calibration: Features external, non-interacting zero and span adjustments for precise field calibration.

Environmental Durability & Limits

• Operating Temperature: Reliable performance from -35°C to +85°C (-31°F to +185°F).
• Storage Temperature: Can be stored in conditions from -51°C to +100°C (-60°F to +212°F).
• Hazardous Area Ratings: Holds premier global certifications for use in the most demanding environments, including ATEX Zone 0.

Frequently Asked Questions (FAQ)

• Q: Is this a new and original Bently Nevada transmitter?
  A: Yes, we supply only 100% brand new and genuine Bently Nevada products from authorized channels.
• Q: What is this 991 transmitter used for?
  A: The Bently Nevada 991 is specifically designed for axial thrust position monitoring to prevent machine damage.
• Q: What makes the 991-06-70-02-05 model special?
  A: Its "05" approval suffix provides the highest safety ratings, including ATEX Zone 0, Zone 2, CSA Div 2, and ABS for marine use.
• Q: What is the measurement range?
  A> It measures 0.6-0-0.6 mm (25-0-25 mils), indicating movement in both directions from a zero point.
• Q: Is this item in stock, and how is it shipped?
  A: The 991-06-70-02-05 is typically available from stock. We ship worldwide via DHL, FedEx, or UPS with a 30-day return policy.