Monitoring & metering


Figure 3. Frequency response of the ADXL1002, high frequency (>5kHz) vibration response. AVS 1003LF Sensor Figure 2. The AVS 1003LF sensor.


The AVS 1003LF is a triaxial, digital, low frequency accelerometer. Similar to the AVS 1001HF, it measures both vibration and temperature, providing data through the RS-485 and Modbus protocols. It is designed to offer comprehensive monitoring capabilities across three axes (see Figure 2). Detailed technical specifications for these two sensors can be found in Table 1.


TABLE 1. TECHNICAL SPECIFICATIONS Technical Specifications Measurement Range Frequency Range Sampling Frequency Noise Density Operating Voltage Current Consumption Operating Temperature Protection Shock Resistance AVS 1001HF ±50g, peak 0 to 11kHz 32kHz 25µg/√Hz 24V DC 13mA -40°C to +85°C IP67 10,000g, peak Instrumentation Monthly November 2025 5,000g, peak AVS 1003LF ±40g, peak 0 to 1kHz 4kHz 80µg/ √Hz 24V DC


ADVANTAGES OF THE NEW AVS SENSOR FAMILY


Direct Digital Data Access The integration of direct digital data access eliminates the need for extensive cabling and dedicated data acquisition/processing units, as all functions are performed within the sensor itself. This significantly simplifies the installation process and reduces overall costs.


Versatility in Applications The AVS sensors offer remarkable versatility. During normal operation, only calculated parameters are sent, conserving bandwidth and processing power. For more advanced analysis, the raw vibration signal can be transmitted and analysed, providing a deeper insight into the machinery’s condition.


Reliable Data Transmission With the use of digital RS-485 links, multiple sensors can be connected with a single cable, ensuring reliable data transmission up to 1km.


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Applications: Protection


Machine monitoring Condition assessment Dynamic state measurements


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