The CI185 VMD-185-020-AT-CA-S belongs to the CI185 series and is the standard-configuration accelerometer within that series. This model offers reliable performance, flexible configuration, and loop-powered operation, making it widely used for vibration monitoring in rotating machinery such as fans, blowers, compressors, and pumps.

Designed specifically for PLC interfaces, this device converts mechanical vibration signals into a standard 4-20 mA current output, with the output value being proportional to the root mean square (RMS) velocity of the vibration. Its loop-powered operation, standard 4-20 mA output, wide operating temperature range, and stainless steel IP67-rated housing make it an ideal choice for condition monitoring and predictive maintenance of industrial equipment.

Suitable Environments: This sensor is specifically designed for harsh industrial environments, with an IP67 protection rating, and can withstand oil, dust, and humid conditions. Its wide operating temperature range (-30 to 90°C) makes it suitable for most factory workshops.

Typical Applications:

• Fans: Monitors bearing vibration in large industrial fans to prevent blade imbalance
• Blowers: Monitors the operating status of airflow equipment
• Compressors: Detects abnormal vibrations in compressor units to prevent mechanical failures
• Pumps: Used for predictive maintenance of equipment such as centrifugal pumps

• Operating Temp Range: -30 to 90 ºC
• Output Current: 4-20mA DC proportional to RMS velocity (mm/s)
• Standard Cable length: 5 meters armoured PTFE for AT and EX versions
• Maximum Cable length: 1000 meter, for EX version see ATX009
• Dynamic Range: 50g peak
• Mounted Resonance: 5 kHz min
• Sealing: IP67
• Case Material: Stainless steel
• Supply Voltage: 12-32 Volts DC (4-20 mA) Loop powered
• Transverse Sensitivity: Less than 5%

In which directions can the sensor measure vibration?
The CI185 accelerometer can detect motion in the X, Y, and Z directions and analyze velocity, frequency, and amplitude.

If I need a connector instead of a cable, which model should I choose?
If you need the top-connector version, you should choose the model with the code "CT" (e.g., VMD-185-xxx-CT-CA-S).

What should I keep in mind during installation?
Install on a finely machined surface. We recommend applying silicone grease and tightening to the recommended torque of 8 Nm. In humid environments, the connector area must be sealed.

What is the warranty period?
Standard industrial warranty: 12 months; with proper installation and no overloading, the product has a service life of 5-10 years.