444-311-000-123 Vibro Meter CE311 Ex Certified Accelerometer

Vibro Meter CE311: Extended Reach Explosion-Proof Monitoring

The Vibro Meter CE311 accelerometer (Part Number 444-311-000-123) combines extended 6-meter cable capability with full Ex certification for hazardous environments. This explosion-proof version maintains the integrated electronics design while providing additional reach for complex hazardous area installations. 

Extended Reach Safety Features

• Hazardous Area Certified: Ex version with full explosion-proof certification
• Extended Safety Cable: 6-meter integral cable for flexible hazardous area placement
• Intrinsic Safety Design: Engineered for operation in classified hazardous zones
• Complete Environmental Sealing: Hermetically sealed against flammable substances
• Certified Performance: Factory tested and certified for immediate hazardous area use

Certified Performance Specifications

• Safety Part Number: 444-311-000-123 (Ex Version with 6m Cable)
• Certified Sensitivity: 50 µA/g ±5% maintained in hazardous conditions
• Safety Frequency Range: 2 Hz to 8000 Hz for comprehensive hazard zone monitoring
• Explosion-Proof Range: 0.004 g to 40 g peak measurement capability
• Certified Precision: ±1% linearity with maintained safety standards
• Rugged Safety Construction: 500 g shock resistance in hazardous environments

Safety Electrical Specifications

• Certified Model: CE311 Ex (444-311-000-123)
• Intrinsically Safe Power: 15-28 VDC with 5.5-7.5 mA standby current
• Safety-Certified Output: 2-wire current modulated system for hazardous areas
• Integrated Safety Electronics: Charge-to-current conversion with safety barriers
• Certified Frequency Response: -3 dB at 2 Hz, ±5% accuracy (6-5000 Hz)
• Extended Safety Cable: 6-meter twisted pair shielded integral cable

Hazardous Environment Specifications

• Certified Temperature Range: -40°C to +125°C continuous hazardous service
• Safety Survival Rating: -55°C to +150°C short-term exposure in hazardous conditions
• Explosion-Proof Housing: Stainless steel (1.4441) hermetically welded construction
• Hazardous Area Protection: Complete sealing against flammable materials and vapors
• Safety Strain Performance: 0.0015 g/µε base strain rejection in explosive atmospheres

Hazardous Area Installation

• Safety Model Identification: 444-311-000-123 Ex version with 6-meter cable
• Explosion-Proof Mounting: Four M6 × 35 Allen bolts with spring-steel washers
• Certified Torque Specification: 15 N•m for secure hazardous area installation
• Safety Weight Distribution: 245 g sensor + 135 g/m cable/hose assembly
• Hazardous Area Connection: Flying leads for safe electrical integration

Certified Applications

• Primary Safety Application: 444-311-000-123 designed for extended reach in explosive atmospheres
• Zone Compliance: Certified for designated hazardous zones requiring additional cable length
• Industry Deployment: Petrochemical plants, offshore platforms, pharmaceutical facilities
• Extended Safety Monitoring: Continuous vibration protection across larger hazardous areas
• Full Certification: Ex version meeting all hazardous area requirements

Safety & Compliance Information

• What is the part number for the 6-meter Ex version?
  The extended reach hazardous area model is part number 444-311-000-123
• Why choose model 444-311-000-123?
  This model provides both explosion-proof certification and extended 6-meter cable reach
• What safety standards does this model meet?
  Full Ex certification for operation in potentially explosive atmospheres
• How does the 6-meter cable benefit hazardous area installations?
  Model 444-311-000-123 allows greater placement flexibility while maintaining safety
• What industries require this specific configuration?
  Facilities needing both hazardous area certification and extended sensor placement options