CE311 444-311-000-023 Piezoelectric Accelerometer: Precision Vibration Monitoring for Critical Industrial Machinery
Reliable vibration monitoring is the cornerstone of predictive maintenance in modern industry. The CE311 444-311-000-023 is a high-performance piezoelectric accelerometer in the Standard Version, supplied with a 6-meter integrated cable. Built for mechanical vibration monitoring and protection in the harshest industrial environments, it combines rugged construction with precise measurement capability, making it an ideal choice for turbines, compressors, pumps, motors, and gearboxes where equipment failure is simply not an option.
Product Description
The CE311 444-311-000-023 is a piezoelectric accelerometer (Standard Version) fitted with a 6-meter integrated cable. It is specifically engineered for continuous mechanical vibration monitoring and protection in demanding industrial settings. The sensor features built-in charge-to-current conversion electronics and outputs a current-modulated signal, enabling direct long-distance transmission without any external charge amplifier.
The CE311 employs a symmetric shear-mode measuring element made of polycrystalline material. Its built-in electronics perform signal processing and charge-to-current conversion, delivering a current-modulated output suited for long-distance transmission. The sensor body is joined to the integrated shielded twisted-pair cable by hermetic welding, and the cable is fully protected by a flexible stainless steel hose (protective tube).
This hermetically welded joint between the sensor and the protective tube creates a fully sealed system capable of withstanding 100% relative humidity, water, steam, oil, and salt fog, as well as potential contaminants such as dust, fungi, and sand. As a result, the CE311 444-311-000-023 is a highly reliable device suited to long-term industrial vibration monitoring.
Key Product Features
- Standard Version piezoelectric accelerometer with a 6-meter integrated shielded twisted-pair cable
- Built-in charge-to-current conversion electronics — no external charge amplifier required
- Current-modulated (2-wire) output for reliable long-distance signal transmission
- Symmetric shear-mode measuring element made of polycrystalline material
- Hermetically welded, fully sealed sensor-and-cable construction
- Flexible stainless steel protective hose shielding the integrated cable
- Highly resistant to humidity, water, steam, oil, salt fog, dust, fungi, and sand
- Compact, robust housing designed for permanent outdoor and indoor installation
Product Performance & Technical Specifications
| Parameter | Specification |
|---|---|
| Sensitivity | 50 μA/g ±5% |
| Dynamic Measurement Range | 0.004 to 40 g peak |
| Overload Capacity (Peak) | Up to 100 g peak |
| Linearity | ±1% within the dynamic measurement range |
| Transverse Sensitivity | <3% (measured at 15 Hz and 5 g) |
| Resonance Frequency (after installation) | 20 kHz (typical) |
| Frequency Response | -3 dB @ 2 Hz; ≤±5% between 6 and 5000 Hz; ≤±10% between 5000 and 8000 Hz |
| Power Supply | 15 to 28 VDC, bias current 5.5 to 7.5 mA |
| Signal Transmission | Current-modulated output (2-wire) |
| Shock Acceleration | 500 g peak (half-sine wave, 1 ms duration) |
| Base Strain Sensitivity | 0.0015 g/μ (typical) |
| Operating Temperature | -40°C to +125°C continuous; -55°C to +150°C short term (15 min) |
Product Advantages
- No external amplifier needed: Built-in charge-to-current conversion electronics eliminate the cost, wiring, and space required by an external charge amplifier.
- Long-distance transmission: The current-modulated 2-wire output allows the signal to travel reliable distances from the sensor to the monitoring system.
- Fully sealed, rugged design: The hermetically welded joint and stainless steel protective hose resist humidity, water, steam, oil, salt fog, dust, fungi, and sand.
- High precision: ±1% linearity and low transverse sensitivity (<3%) ensure accurate, dependable vibration data.
- Wide compatibility: Works with any monitoring system supporting current-modulated input (2-wire, 15-28 VDC).
- Ready to ship: In-stock availability with a 3-5 working-day lead time, 12-month warranty, and support through DHL, UPS, TNT, FedEx, and EMS.
Typical Applications
The CE311 444-311-000-023 is widely used for continuous condition monitoring and protection of rotating machinery, including steam turbines, gas turbines, compressors, pumps, motors, fans, and gearboxes. In a typical site, equipment requires long-term vibration monitoring, yet there is a significant distance between the sensor installation point and the monitoring system, and the environment contains oil, moisture, and dust. By selecting the 6-meter standard version and using its built-in electronics and current-modulated output, operators transmit signals over long distances to the monitoring system. When vibration amplitude exceeds a preset threshold, the monitoring system triggers an alarm or protective action to prevent equipment damage and unplanned downtime.
Product Details at a Glance
| Model | CE311 |
| Ordering Information | 444-311-000-023 |
| Catalog | Vibration Monitoring / Velocity Transducers |
| Country of Origin | China |
| Weight | 1 kg |
| HS Code | 8537101190 |
| Lead Time | 3-5 working days (In stock) |
| Shipping Port | Xiamen |
| Payment | T/T |
| Warranty | 12 months |
Contact Us
Contact Person: Nelly Yang
Email: sales12@htechplc.com
Tel/Skype/Whatsapp: +86 18060985064