BENTLY NEVADA

1.Term Breakdown:

1. Bently Nevada: Professional brand for turbomachinery condition monitoring and protection systems
2. 136719-01: Original factory part number of the earth module
3. Barrier: Intrinsically safe isolation barrier for explosion hazardous locations
4. I.S. = Intrinsically Safe: Explosion-proof design standard limiting circuit energy
5. Earth Module: Dedicated grounding terminal assembly for IS barrier circuits

2. Core Product Functions

1. Ground Protection for Intrinsically Safe Circuits It provides standardized collective grounding points for IS barrier sensor circuits of the 3500 system. It unifies circuit grounding potential and eliminates potential difference across intrinsically safe loops.
2. Potential Balancing for Isolation Barriers Matched with all barrier-equipped monitor cards of the 3500 series, it balances ground potential between the safe control room and field hazardous explosive areas, preventing electric sparks and meeting explosion-proof standards.
3. Interference Suppression for Stable Monitoring Signals Centralized grounding suppresses stray current and common-mode electromagnetic interference, reduces drift of vibration and speed pulse signals, and avoids false system alarms.
4. Electrostatic & Surge Discharge for Surge Protection It converges shield wires of field sensors and IS barriers to rapidly discharge static electricity and induced lightning surges, preventing high-voltage breakdown of monitor cards and transducers.
5. Compliance with Explosion-proof Wiring Codes It complies with international wiring specifications for intrinsically safe systems, a mandatory accessory for 3500 monitoring systems deployed in hazardous classified zones.

3. Industrial Applications

1. Compatible System Designed exclusively for the Bently Nevada 3500 rack machinery protection system, supporting all I.S. barrier-equipped signal monitor cards (tachometer & vibration cards).
2. Matching Field Equipment Vibration and speed transducers mounted on turbogenerators, gas turbines, process compressors, refinery turbomachinery, large fans and other rotating equipment installed in explosion hazardous areas.
3. Key Application Purposes

• Collect and unify all shield ground wires of intrinsically safe barriers for standardized wiring layout;
• Balance ground potential of IS loops to eliminate explosion risks caused by potential difference;
• Filter industrial electromagnetic interference to ensure stable and accurate vibration & speed monitoring signals;
• Discharge static charges and induced surges to protect high-value monitor cards and field probes;
• Meet Ex ia / Ex ib intrinsic safety certification wiring standards and pass factory safety inspection.

4. Applicable Industries & Scenarios Petroleum refining, coal chemical industry, oil & gas production, fine chemical plants, explosion-proof power plants and other production areas with flammable and explosive media.

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