Products Description
The 991-25-50-02-05991 Thrust Transmitter is intended primarily for the original equipmentmanufacturers (OEMs) of centrifugal air compressors or small pumps, motors, orfans who prefer to provide a simple 4 to 20 mA proportional axial displacement(thrust) signal as the input to their machinery control system. The transmitter is a2-wire, loop-powered device that accepts input from our 3300 NSv* proximityprobe and its matching extension cable (available in 5 m and 7 m system lengthoptions). The transmitter conditions the signal into appropriate engineering unitsproportional to the shaft's axial position1, and provides it as a 4 to 20 mAindustry-standard signal for input to the control system where machineryprotection alarming and logic occurs.
Technical specifications
Model: 991-25-50-02-05
Supply Voltage: 12–35 V DC
Loop Accuracy: ±1.5% (250 Ω loop)
Max Loop Resistance: 1 000 Ω at 35 V DC
Response Time: <100 µs to fault, restore <0.1 s
Bandwidth: DC–10 kHz
Temp Drift: <0.02%/°C
EMC Immunity: ±2% output variation at 100 V/m
Operating Temp: –35 °C to +85 °C
Storage Temp: –51 °C to +100 °C
Ordering Code Breakdown
991 – Thrust Transmitter
‑25 – ±25 mils (±0.6 mm)
‑50 – Cable: 5.0 m (16.4 ft)
‑02 – Mounting: Bulkhead screws
‑05 – Approvals: CSA Div 2, ATEX Z0/Z2, ABS
Main Advantages and Highlights
- Robust Industrial Design: Built to withstand extreme temperatures, vibration, and shock, the 991-25-50-02-05 performs reliably in harsh operational conditions common to power plants, oil & gas facilities, and heavy industry.
- Accurate Thrust Measurement: The 991-25-50-02-05 Thrust Transmitter delivers precise axial position readings, helping engineers maintain optimal rotor alignment and prevent machinery overload.
- Continuous Monitoring: Provides real-time feedback on rotor thrust, enabling predictive maintenance and rapid detection of abnormal thrust events before they escalate.
- High Compatibility: Designed for seamless integration with Bently Nevada monitoring systems, the 991-25-50-02-05 transmitter simplifies retrofits and system expansions.
- Enhanced Safety and Efficiency: By providing early warning of abnormal thrust conditions, the 991-25-50-02-05 helps protect machinery from catastrophic failures, optimizing operational uptime.
- Analog and Digital Output Options: Supports flexible signal transmission to accommodate various control and monitoring platforms while maintaining measurement accuracy.
- Durable Construction: Manufactured with high-quality materials, the 991-25-50-02-05 Thrust Transmitter ensures long-term reliability with minimal maintenance.
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Why Choose PLC Leader
🛠️Proven Expertise
With years of experience in industrial automation, PLC Leader offers deep technical knowledge and reliable solutions for a wide range of manufacturing and control systems.
📦Extensive Product Range
From PLCs, I/O modules, and drives to HMI panels and automation spare parts, we provide a comprehensive selection to meet all your operational needs.
⏱️Fast and Dependable Service
Our team ensures quick delivery, accurate quotes, and attentive support, helping you minimize downtime and keep your production running smoothly.
🎯Tailored Solutions
We work closely with clients to understand their specific requirements, offering customized solutions that improve efficiency and productivity.
🌍Global Reach, Local Support
With a worldwide network and responsive local service, PLC Leader combines international standards with hands-on support wherever you operate.
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📩 Email: sales7@apterpower.com
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