The Bently Nevada 990-10-XX-01-CN MOD:167541-01, also cataloged as the 990 Vibration Transmitter, serves as the primary vibration signal conditioning transmitter utilized to execute continuous shaft vibration conversion and loop output generation across 990 monitoring platforms. It converts proximity probe input displacement into proportional vibration output for downstream control and monitoring circuits.

Suffix / Configuration Matrix

• 10: 0-10 mils pp (0-250 um pp) measurement range
• 50: 5.0 m system cable length option
• 70: 7.0 m system cable length option
• 01: 35 mm DIN rail clip mounting option
• MOD:167541-01: manufacturing revision identifier
• CN: regional configuration variant

Hardware Specifications

Eddy-Current Vibration Signal Conversion and Loop Scaling Behavior (Bently Nevada TSI Characteristics)

The 990 transmitter operates by conditioning eddy-current proximity probe displacement signals into a standardized vibration output proportional to shaft motion amplitude. The internal scaling network performs linear conversion of probe gap variation into a loop-compatible signal for external monitoring systems. Signal stability is influenced by probe gap voltage validation behavior and suppression of cross-talk between adjacent measurement channels in multi-sensor installations. The system maintains defined scaling across the configured measurement range, ensuring consistent conversion of mechanical vibration into electrical representation for diagnostic processing.

Frequently Asked Questions

Q: What type of input signal does the 990 transmitter accept?
A: It accepts eddy-current proximity probe displacement signals for vibration conversion.

Q: Is the 990 transmitter externally powered?
A: It is loop powered; external supply is provided through the measurement loop circuit.

Q: What is the purpose of the DIN rail clip option?
A: It allows standardized 35 mm DIN rail installation in control cabinet environments.

Q: Can cable length be selected during configuration?
A: Yes, system length options include 5.0 m and 7.0 m variants depending on configuration code.

Field Installation Guidelines

• Mount transmitter on 35 mm DIN rail with stable mechanical locking
• Ensure probe cable shielding is grounded at single point only
• Maintain separation from high-voltage switching conductors
• Verify loop polarity before energization
• Avoid sharp bending radius on coaxial probe cables
• Ensure proper connector engagement to prevent signal discontinuity

Ordering Info

• 1 x Bently Nevada 990-10-XX-01-CN Vibration Transmitter
• DIN rail mounting clip (35 mm standard)
• Factory configuration module MOD:167541-01
• Cable length option as specified (5.0 m / 7.0 m)
• No calibration accessories included unless specified

Delivery Information

Delivery time: 3-5 days after payment confirmation or 2-7 days depending on logistics route. Shipment via DHL / FedEx / UPS with anti-static industrial packaging, shock-resistant sealing, and vibration-protected electronic handling for instrumentation modules.