The VTV122 is a vibration transmitter designed to detect and convert system vibrations into an analog current signal. This device is suitable for a wide range of industrial applications where vibration monitoring is critical for machinery health and operational safety. The unit conforms to relevant regulations and EC directives, ensuring its reliability and compliance with industry standards.
Function Description:
The primary function of the VTV122 is to measure vibration velocity (Veff) within a system. It then converts this measured physical unit into a proportional analog signal at its current output. This allows for continuous monitoring of vibration levels, which can be crucial for predictive maintenance, preventing equipment failure, and optimizing operational efficiency. The output signal is a standard 4-20 mA current, making it compatible with most industrial control systems and data acquisition units.
Important Technical Specifications:
- Measuring Range (Veff): 0 to 25 mm/s
- Output Current (Iout): 4 to 20 mA
- Response Delay: 0.5 seconds
- Frequency Range: 10 to 1000 Hz
- Electrical Connection: M12 connector
- Pin 1: L+ (9.6 to 32 V DC)
- Pin 2: 4 to 20 mA
- Mounting Options:
- 1/4"-28 UNF threaded adapter (supplied)
- M8 threaded adapter (supplied)
- Tightening Torque for Sensor: 8 Nm
- Dimensions:
- Diameter: Ø22 mm
- Length: 63.55 mm (overall)
- Thread: M12x1
- Mounting thread options: 1/4"-28 UNF or M8
Usage Features:
- Installation:
- The VTV122 should be mounted in a thick housing wall, such as a transport thread, to ensure secure and effective vibration transmission.
- It is crucial to ensure that the signal direction is correct for accurate measurements.
- To guarantee reliable vibration transmission, avoid any elastic intermediate layers during installation.
- The unit comes with two threaded adapters: a 1/4"-28 UNF adapter and an M8 adapter. Users can select the appropriate adapter for their mounting location and insert it into the unit.
- The adapters are tightened using a 3 mm Allen key with a tightening torque of 8 Nm.
- For mounting, a hole needs to be drilled and tapped at the desired location.
- For M8 mounting, the hole depth should be a minimum of 10 mm.
- For 1/4"-28 UNF mounting, the hole depth should be a minimum of 13 mm.
- Once the adapter is in place, the sensor itself should be tightened with a torque of 8 Nm.
- Electrical Connection:
- Electrical connection must be performed by a qualified electrician.
- All national and international regulations for the installation of electrical equipment must be strictly adhered to.
- The M12 connector provides a secure and standardized connection for power supply (L+) and the analog current output.
- Safety Instructions:
- Users are advised to read the product description thoroughly before setting up the unit to ensure its suitability for their specific application without restrictions.
- Improper or non-intended use can lead to malfunctions or undesirable effects in the application.
- Installation, electrical connection, setup, operation, and maintenance of the unit should only be carried out by qualified personnel authorized by the machine operator.
Maintenance Features:
- Maintenance-Free Operation: The VTV122 is designed for maintenance-free operation, reducing the need for regular servicing and upkeep.
- No Repair Capability: It is not possible to repair the unit. In case of malfunction or damage, the unit should be replaced.
- Disposal: After its useful life, the unit must be disposed of in an environmentally friendly manner, in accordance with applicable national regulations. This ensures responsible end-of-life management and minimizes environmental impact.
For further technical data and additional information, users can refer to the manufacturer's website at www.ifm.com.
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