Vibro Meter CE311 Ex Certified Accelerometer for Hazardous Areas

The CE311 delivers exceptional vibration monitoring in explosive atmospheres. This certified version features a 3-meter integral cable for flexible installation. Meggitt's advanced piezoelectric technology ensures reliable performance. The sensor maintains accuracy across extreme temperature conditions.

Core Technical Specifications

• Brand & Manufacturer: Vibro Meter by Meggitt
• Model Number: CE311 Ex Version
• Sensitivity Rating: 50 µA/g ±5% tolerance
• Frequency Range: 2 Hz to 8000 Hz operational bandwidth
• Measurement Range: 0.004 g to 40 g peak amplitude
• Linear Performance: ±1% deviation across full scale
• Temperature Operation: -40°C to +125°C continuous duty
• Shock Resistance: 500 g peak survival rating
• Resonant Frequency: 20 kHz typical mounted value
• Transverse Sensitivity: Less than 3% of main axis

Environmental Protection & Durability

• Hermetically welded 1.4441 stainless steel construction
• Complete protection against steam, oil, and sea-salt atmospheres
• Flexible stainless steel hose guards the integral 3-meter cable
• Base strain sensitivity measures only 0.0015 g/µε typically
• Withstands short-term exposure to 150°C for 15 minutes

Electrical Characteristics & Performance

• Two-wire current modulated output system
• 15-28 VDC power supply requirement range
• 5.5-7.5 mA bias current during standby operation
• 10.5 nF nominal pole-to-pole capacitance
• Integrated electronics eliminate external conditioners

Installation Requirements

• Four M6 x 35mm Allen bolts grade 12.9 steel
• Four M6 spring-steel washers per DIN 7980
• 15 N•m mounting torque specification
• DIN 912/ISO 4762 compliant fasteners required
• Clean mounting surface ensures optimal performance

Packaging & Delivery Information

• One CE311 Ex version accelerometer unit
• Integrated 3-meter shielded twisted pair cable
• Flexible stainless steel protection hose included
• Multiple shipping options available immediately
• Choose from FedEx, UPS, or DHL express services

Warranty Coverage

• 12-month comprehensive warranty period
• Coverage includes all manufacturing defects
• Warranty applies from original purchase date
• Professional technical support always available

Professional FAQ

• What certifications does this Ex version hold?
• The sensor carries certification for use in potentially explosive atmospheres
• How does the current output benefit long-distance transmission?
• Current signals resist electrical interference over extended cable runs
• What is the mounted resonant frequency specification?
• The typical mounted resonant frequency reaches 20 kHz
• Can the sensor withstand mechanical shock events?
• It survives 500 g peak shock pulses lasting 1 millisecond
• What is the transverse sensitivity performance?
• Transverse sensitivity remains below 3% of the main axis

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